subject:(turbulence)

University of Georgia

1. Vanexel, Jasmine Victoria. Improving the robustness of turbulent fluxes: an examination of the role of waves on fluxes and turbulence statistics.

Degree: MS, Crop and Soil Sciences, 2014, University of Georgia

URL: http://purl.galileo.usg.edu/uga_etd/vanexel_jasmine_v_201408_ms

► Gravity waves and turbulence are often intermixed throughout the stable boundary layer and together they play an integral role in atmospheric dynamics. This work focuses… (more)

Subjects/Keywords: Turbulence

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Vanexel, J. V. (2014). Improving the robustness of turbulent fluxes: an examination of the role of waves on fluxes and turbulence statistics. (Masters Thesis). University of Georgia. Retrieved from http://purl.galileo.usg.edu/uga_etd/vanexel_jasmine_v_201408_ms

Chicago Manual of Style (16^th Edition):

Vanexel, Jasmine Victoria. “Improving the robustness of turbulent fluxes: an examination of the role of waves on fluxes and turbulence statistics.” 2014. Masters Thesis, University of Georgia. Accessed February 26, 2020. http://purl.galileo.usg.edu/uga_etd/vanexel_jasmine_v_201408_ms.

MLA Handbook (7^th Edition):

Vanexel, Jasmine Victoria. “Improving the robustness of turbulent fluxes: an examination of the role of waves on fluxes and turbulence statistics.” 2014. Web. 26 Feb 2020.

Vancouver:

Vanexel JV. Improving the robustness of turbulent fluxes: an examination of the role of waves on fluxes and turbulence statistics. [Internet] [Masters thesis]. University of Georgia; 2014. [cited 2020 Feb 26]. Available from: http://purl.galileo.usg.edu/uga_etd/vanexel_jasmine_v_201408_ms.

Council of Science Editors:

Vanexel JV. Improving the robustness of turbulent fluxes: an examination of the role of waves on fluxes and turbulence statistics. [Masters Thesis]. University of Georgia; 2014. Available from: http://purl.galileo.usg.edu/uga_etd/vanexel_jasmine_v_201408_ms

Oregon State University

2. Duncombe, Jenessa R. Linear Theory of Roll Instabilities in the Ocean Surface Layer.

Degree: MS, 2017, Oregon State University

URL: http://hdl.handle.net/1957/61386

► This thesis describes the results of a linear stability analysis conducted on a simulated wind-forced ocean front. The ocean surface boundary layer regulates exchanges between… (more)

Subjects/Keywords: Turbulence

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APA (6^th Edition):

Duncombe, J. R. (2017). Linear Theory of Roll Instabilities in the Ocean Surface Layer. (Masters Thesis). Oregon State University. Retrieved from http://hdl.handle.net/1957/61386

Chicago Manual of Style (16^th Edition):

Duncombe, Jenessa R. “Linear Theory of Roll Instabilities in the Ocean Surface Layer.” 2017. Masters Thesis, Oregon State University. Accessed February 26, 2020. http://hdl.handle.net/1957/61386.

MLA Handbook (7^th Edition):

Duncombe, Jenessa R. “Linear Theory of Roll Instabilities in the Ocean Surface Layer.” 2017. Web. 26 Feb 2020.

Vancouver:

Duncombe JR. Linear Theory of Roll Instabilities in the Ocean Surface Layer. [Internet] [Masters thesis]. Oregon State University; 2017. [cited 2020 Feb 26]. Available from: http://hdl.handle.net/1957/61386.

Council of Science Editors:

Duncombe JR. Linear Theory of Roll Instabilities in the Ocean Surface Layer. [Masters Thesis]. Oregon State University; 2017. Available from: http://hdl.handle.net/1957/61386

Wesleyan University

3. Parsa Moghaddam, Shima. Rotational Dynamics of Rod Particles in Fluid Flows.

Degree: Physics, 2013, Wesleyan University

URL: https://wesscholar.wesleyan.edu/etd_diss/16

► The primary aim of this research is to study the dynamics of rods in fluid flows, quantify the alignment of rods with the flow… (more)

▼ The primary aim of this research is to study the dynamics of rods in fluid flows, quantify the alignment of rods with the flow and the effects of alignment on the rotation rates. We perform experimental measurements of the rotation of rods in three-dimensional turbulence and resolve the rotational properties. In a 2D chaotic flow we measured the translational and rotational dynamics of rods along with the velocity of the carrier flow. Rods are strongly aligned with the stretching direction of the Cauchy-Green deformation tensor. We report the first three-dimensional measurements of the rotational dynamics of rod-like particles as they are advected in a turbulent fluid flow. Tracer rods preferentially sample the flow since their orientations become correlated with the velocity gradient tensor. The probability distribution of the mean square rotation rate has a long tail which implies the presence of rare events with large rotation rates. Rotation of particles is controlled by small scales of turbulence that are nearly universal, these measurements provide a rich system where experiments can be directly compared with theory and simulations. In another set of experiments we measured the rotational statistics of neutrally buoyant rods with lengths 2.8 < l/η < 72.9, where η is the Kolmogorov length scale, in turbulence and quantify how their rotation rate depends on length. The mean square rotation rate of rods decreases as the length of the rods increases and for lengths in the inertial range. We derive an scaling of l^-4/3 for the mean square rotation rate and show that experimental measurements approach this scaling law. In comparison with the randomly oriented rods we see that all rod lengths develop alignment with the velocity gradient of the flow at the length of the rods. We have also measured the correlation time of the Lagrangian autocorrelation of rod rotation rate and find that the correlation time scales as the turn over time of eddies of the size of the rod. Measuring the rotational dynamics of single long rods provides a new way to access the spatial structure of the flow at different length scales. Advisors/Committee Members: Greg A. Voth.

Subjects/Keywords: Turbulence

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APA (6^th Edition):

Parsa Moghaddam, S. (2013). Rotational Dynamics of Rod Particles in Fluid Flows. (Doctoral Dissertation). Wesleyan University. Retrieved from https://wesscholar.wesleyan.edu/etd_diss/16

Chicago Manual of Style (16^th Edition):

Parsa Moghaddam, Shima. “Rotational Dynamics of Rod Particles in Fluid Flows.” 2013. Doctoral Dissertation, Wesleyan University. Accessed February 26, 2020. https://wesscholar.wesleyan.edu/etd_diss/16.

MLA Handbook (7^th Edition):

Parsa Moghaddam, Shima. “Rotational Dynamics of Rod Particles in Fluid Flows.” 2013. Web. 26 Feb 2020.

Vancouver:

Parsa Moghaddam S. Rotational Dynamics of Rod Particles in Fluid Flows. [Internet] [Doctoral dissertation]. Wesleyan University; 2013. [cited 2020 Feb 26]. Available from: https://wesscholar.wesleyan.edu/etd_diss/16.

Council of Science Editors:

Parsa Moghaddam S. Rotational Dynamics of Rod Particles in Fluid Flows. [Doctoral Dissertation]. Wesleyan University; 2013. Available from: https://wesscholar.wesleyan.edu/etd_diss/16

4. Ouali, Sofiane. Etude et simulation numérique de la combustion turbulente des flammes prémélangées suspendues de méthane-air pour des bruleurs à faible nombre de swirl.

Degree: 2015, Université M'Hamed Bougara Boumerdès

URL: http://dlibrary.univ-boumerdes.dz:8080/jspui/handle/123456789/982

►

126 p. : ill. ; 30 cm

Cette thèse s'inscrit dans le cadre de recherches portées sur la simulation numérique des flammes prémélangées turbulentes suspendues… (more)

▼

126 p. : ill. ; 30 cm

Cette thèse s'inscrit dans le cadre de recherches portées sur la simulation numérique des flammes prémélangées turbulentes suspendues de méthane-air stabilisées par swirl pour des brûleurs de configuration LSB (Low Swirl Burner). Le bec du brûleur a un rayon de 25 mm et se compose de deux parties distinctes ; la plaque perforée axiale d'un rayon de 15 mm où l'écoulement du pré-mélange réactif est purement axiale et de l'espace annulaire swirlé (10 mm) où l'écoulement du mélange réactif est swirlé tout en ayant deux composantes de vitesses ; axiale et tangentielle. L'étude s'est portée essentiellement sur l'effet de la richesse du méthane (CH4) À de 0.6 à 1.4 avec un pas de 0.2 et de l'effet du nombre de swirl S de 0.5 à 1.0 avec un pas de 0.1. La simulation numérique a été effectuée pour deux configurations ; 2D et 3D où l'effet de la richesse a été étudié pour les deux. Tandis que l'effet du nombre de swirl a été étudié uniquement en configuration 3D. Plusieurs paramètres considérés comme étant régisseurs des structures de flammes sont analysés et comparés aux résultats expérimentaux disponibles dans la littérature, à savoir; les champs de vitesse, température, la distribution du méthane (CH4) et la formation des polluants (NOx et CO). La turbulence a été prise en considération en utilisant le modèle RANS (Reynolds Average Navier-Stokes) k-À STANDARD. Tandis que la combustion a été étudié en utilisant deux modèles ; EDM (Eddy Dissipation Model) et Partially-Premixed. De par la validation des résultats obtenus, le modèle Partially-Premixed a été retenue pour l'analyse de l'effet de la richesse et de l'intensité du swirl. La comparaison des résultats obtenus par la simulation numérique avec ceux qui sont disponibles dans la littérature a montré un accord satisfaisant pour tous les paramètres de flammes étudiées. L'intérêt particulier de cette étude est de trouver un compromis entre le maximum de température qui puisse être atteint et la limite du nombre de swirl et de la richesse qui puissent être imposés avec le minimum d'émissions de NOx et de CO tout en assurant le maintien de la stabilité et la localisation de la flamme. En outre, les caractéristiques spécifiques des brûleurs à faible nombre de swirl LSB ont été retrouvée

Subjects/Keywords: Turbulence; Méthane

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Ouali, S. (2015). Etude et simulation numérique de la combustion turbulente des flammes prémélangées suspendues de méthane-air pour des bruleurs à faible nombre de swirl. (Thesis). Université M'Hamed Bougara Boumerdès. Retrieved from http://dlibrary.univ-boumerdes.dz:8080/jspui/handle/123456789/982

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Ouali, Sofiane. “Etude et simulation numérique de la combustion turbulente des flammes prémélangées suspendues de méthane-air pour des bruleurs à faible nombre de swirl.” 2015. Thesis, Université M'Hamed Bougara Boumerdès. Accessed February 26, 2020. http://dlibrary.univ-boumerdes.dz:8080/jspui/handle/123456789/982.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Ouali, Sofiane. “Etude et simulation numérique de la combustion turbulente des flammes prémélangées suspendues de méthane-air pour des bruleurs à faible nombre de swirl.” 2015. Web. 26 Feb 2020.

Vancouver:

Ouali S. Etude et simulation numérique de la combustion turbulente des flammes prémélangées suspendues de méthane-air pour des bruleurs à faible nombre de swirl. [Internet] [Thesis]. Université M'Hamed Bougara Boumerdès; 2015. [cited 2020 Feb 26]. Available from: http://dlibrary.univ-boumerdes.dz:8080/jspui/handle/123456789/982.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Ouali S. Etude et simulation numérique de la combustion turbulente des flammes prémélangées suspendues de méthane-air pour des bruleurs à faible nombre de swirl. [Thesis]. Université M'Hamed Bougara Boumerdès; 2015. Available from: http://dlibrary.univ-boumerdes.dz:8080/jspui/handle/123456789/982

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

University of Alberta

5. Munroe, James Ross. Internal wave generation by intrusions, topography, and turbulence.

Degree: PhD, Department of Physics, 2009, University of Alberta

URL: https://era.library.ualberta.ca/files/7w62f8811

► Internal gravity waves transport energy and momentum in both the atmosphere and the ocean. This physical process occurs at such small length scales that it… (more)

Subjects/Keywords: waves; turbulence

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APA (6^th Edition):

Munroe, J. R. (2009). Internal wave generation by intrusions, topography, and turbulence. (Doctoral Dissertation). University of Alberta. Retrieved from https://era.library.ualberta.ca/files/7w62f8811

Chicago Manual of Style (16^th Edition):

Munroe, James Ross. “Internal wave generation by intrusions, topography, and turbulence.” 2009. Doctoral Dissertation, University of Alberta. Accessed February 26, 2020. https://era.library.ualberta.ca/files/7w62f8811.

MLA Handbook (7^th Edition):

Munroe, James Ross. “Internal wave generation by intrusions, topography, and turbulence.” 2009. Web. 26 Feb 2020.

Vancouver:

Munroe JR. Internal wave generation by intrusions, topography, and turbulence. [Internet] [Doctoral dissertation]. University of Alberta; 2009. [cited 2020 Feb 26]. Available from: https://era.library.ualberta.ca/files/7w62f8811.

Council of Science Editors:

Munroe JR. Internal wave generation by intrusions, topography, and turbulence. [Doctoral Dissertation]. University of Alberta; 2009. Available from: https://era.library.ualberta.ca/files/7w62f8811

Texas A&M University

6. Reyes, Dasia Ann. PANS turbulence model: investigation of computational and physical closure issues in flow past a circular cylinder.

Degree: 2009, Texas A&M University

URL: http://hdl.handle.net/1969.1/ETD-TAMU-2855

► Partially Averaged Navier-Stokes (PANS) turbulence method provides a closuremodel for any degree of velocity field altering - ranging from completely resolved Di-rect Numerical Simulation (DNS)… (more)

Subjects/Keywords: Turbulence; PANS

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APA (6^th Edition):

Reyes, D. A. (2009). PANS turbulence model: investigation of computational and physical closure issues in flow past a circular cylinder. (Thesis). Texas A&M University. Retrieved from http://hdl.handle.net/1969.1/ETD-TAMU-2855

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Reyes, Dasia Ann. “PANS turbulence model: investigation of computational and physical closure issues in flow past a circular cylinder.” 2009. Thesis, Texas A&M University. Accessed February 26, 2020. http://hdl.handle.net/1969.1/ETD-TAMU-2855.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Reyes, Dasia Ann. “PANS turbulence model: investigation of computational and physical closure issues in flow past a circular cylinder.” 2009. Web. 26 Feb 2020.

Vancouver:

Reyes DA. PANS turbulence model: investigation of computational and physical closure issues in flow past a circular cylinder. [Internet] [Thesis]. Texas A&M University; 2009. [cited 2020 Feb 26]. Available from: http://hdl.handle.net/1969.1/ETD-TAMU-2855.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Reyes DA. PANS turbulence model: investigation of computational and physical closure issues in flow past a circular cylinder. [Thesis]. Texas A&M University; 2009. Available from: http://hdl.handle.net/1969.1/ETD-TAMU-2855

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

University of Aberdeen

7. Newlands, Kristin. Numerical investigation of the flow structure in an annular channel with inter-rod spacing.

Degree: PhD, 2014, University of Aberdeen

URL: http://digitool.abdn.ac.uk:80/webclient/DeliveryManager?pid=214845 ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.629400

► Component failures due to excessive flow-induced vibration in reactor cores and steam generators affect the performance and reliability of nuclear power stations around the world.… (more)

Subjects/Keywords: 620; Turbulence

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Newlands, K. (2014). Numerical investigation of the flow structure in an annular channel with inter-rod spacing. (Doctoral Dissertation). University of Aberdeen. Retrieved from http://digitool.abdn.ac.uk:80/webclient/DeliveryManager?pid=214845 ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.629400

Chicago Manual of Style (16^th Edition):

Newlands, Kristin. “Numerical investigation of the flow structure in an annular channel with inter-rod spacing.” 2014. Doctoral Dissertation, University of Aberdeen. Accessed February 26, 2020. http://digitool.abdn.ac.uk:80/webclient/DeliveryManager?pid=214845 ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.629400.

MLA Handbook (7^th Edition):

Newlands, Kristin. “Numerical investigation of the flow structure in an annular channel with inter-rod spacing.” 2014. Web. 26 Feb 2020.

Vancouver:

Newlands K. Numerical investigation of the flow structure in an annular channel with inter-rod spacing. [Internet] [Doctoral dissertation]. University of Aberdeen; 2014. [cited 2020 Feb 26]. Available from: http://digitool.abdn.ac.uk:80/webclient/DeliveryManager?pid=214845 ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.629400.

Council of Science Editors:

Newlands K. Numerical investigation of the flow structure in an annular channel with inter-rod spacing. [Doctoral Dissertation]. University of Aberdeen; 2014. Available from: http://digitool.abdn.ac.uk:80/webclient/DeliveryManager?pid=214845 ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.629400

Oregon State University

8. Schnautz, John Adelbert. Effect of turbulence intensity on mass transfer from plates, cylinders, and spheres in air streams.

Degree: PhD, Chemical Engineering, 1957, Oregon State University

URL: http://hdl.handle.net/1957/51008

Subjects/Keywords: Turbulence

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Schnautz, J. A. (1957). Effect of turbulence intensity on mass transfer from plates, cylinders, and spheres in air streams. (Doctoral Dissertation). Oregon State University. Retrieved from http://hdl.handle.net/1957/51008

Chicago Manual of Style (16^th Edition):

Schnautz, John Adelbert. “Effect of turbulence intensity on mass transfer from plates, cylinders, and spheres in air streams.” 1957. Doctoral Dissertation, Oregon State University. Accessed February 26, 2020. http://hdl.handle.net/1957/51008.

MLA Handbook (7^th Edition):

Schnautz, John Adelbert. “Effect of turbulence intensity on mass transfer from plates, cylinders, and spheres in air streams.” 1957. Web. 26 Feb 2020.

Vancouver:

Schnautz JA. Effect of turbulence intensity on mass transfer from plates, cylinders, and spheres in air streams. [Internet] [Doctoral dissertation]. Oregon State University; 1957. [cited 2020 Feb 26]. Available from: http://hdl.handle.net/1957/51008.

Council of Science Editors:

Schnautz JA. Effect of turbulence intensity on mass transfer from plates, cylinders, and spheres in air streams. [Doctoral Dissertation]. Oregon State University; 1957. Available from: http://hdl.handle.net/1957/51008

Oregon State University

9. Newberger, Priscilla. Turbulence in the bottom boundary layer.

Degree: PhD, Oceanography, 1980, Oregon State University

URL: http://hdl.handle.net/1957/27948

Subjects/Keywords: Turbulence

Record Details Similar Records Cite « Share

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Newberger, P. (1980). Turbulence in the bottom boundary layer. (Doctoral Dissertation). Oregon State University. Retrieved from http://hdl.handle.net/1957/27948

Chicago Manual of Style (16^th Edition):

Newberger, Priscilla. “Turbulence in the bottom boundary layer.” 1980. Doctoral Dissertation, Oregon State University. Accessed February 26, 2020. http://hdl.handle.net/1957/27948.

MLA Handbook (7^th Edition):

Newberger, Priscilla. “Turbulence in the bottom boundary layer.” 1980. Web. 26 Feb 2020.

Vancouver:

Newberger P. Turbulence in the bottom boundary layer. [Internet] [Doctoral dissertation]. Oregon State University; 1980. [cited 2020 Feb 26]. Available from: http://hdl.handle.net/1957/27948.

Council of Science Editors:

Newberger P. Turbulence in the bottom boundary layer. [Doctoral Dissertation]. Oregon State University; 1980. Available from: http://hdl.handle.net/1957/27948

10. Ouali, Sofiane. Etude et simulation numérique de la combustion turbulente des flammes prémélangées suspendues de méthane-air pour des bruleurs à faible nombre de swirl.

Degree: 2015, Université M'Hamed Bougara Boumerdès

URL: http://dlibrary.univ-boumerdes.dz:8080/jspui/handle/123456789/2003

►

126 p. : ill. ; 30 cm

Cette thèse s'inscrit dans le cadre de recherches portées sur la simulation numérique des flammes prémélangées turbulentes suspendues… (more)

▼

126 p. : ill. ; 30 cm

Cette thèse s'inscrit dans le cadre de recherches portées sur la simulation numérique des flammes prémélangées turbulentes suspendues de méthane-air stabilisées par swirl pour des brûleurs de configuration LSB (Low Swirl Burner). Le bec du brûleur a un rayon de 25 mm et se compose de deux parties distinctes ; la plaque perforée axiale d'un rayon de 15 mm où l'écoulement du pré-mélange réactif est purement axiale et de l'espace annulaire swirlé (10 mm) où l'écoulement du mélange réactif est swirlé tout en ayant deux composantes de vitesses ; axiale et tangentielle. L'étude s'est portée essentiellement sur l'effet de la richesse du méthane (CH4) À de 0.6 à 1.4 avec un pas de 0.2 et de l'effet du nombre de swirl S de 0.5 à 1.0 avec un pas de 0.1. La simulation numérique a été effectuée pour deux configurations ; 2D et 3D où l'effet de la richesse a été étudié pour les deux. Tandis que l'effet du nombre de swirl a été étudié uniquement en configuration 3D. Plusieurs paramètres considérés comme étant régisseurs des structures de flammes sont analysés et comparés aux résultats expérimentaux disponibles dans la littérature, à savoir; les champs de vitesse, température, la distribution du méthane (CH4) et la formation des polluants (NOx et CO). La turbulence a été prise en considération en utilisant le modèle RANS (Reynolds Average Navier-Stokes) k-À STANDARD. Tandis que la combustion a été étudié en utilisant deux modèles ; EDM (Eddy Dissipation Model) et Partially-Premixed. De par la validation des résultats obtenus, le modèle Partially-Premixed a été retenue pour l'analyse de l'effet de la richesse et de l'intensité du swirl. La comparaison des résultats obtenus par la simulation numérique avec ceux qui sont disponibles dans la littérature a montré un accord satisfaisant pour tous les paramètres de flammes étudiées. L'intérêt particulier de cette étude est de trouver un compromis entre le maximum de température qui puisse être atteint et la limite du nombre de swirl et de la richesse qui puissent être imposés avec le minimum d'émissions de NOx et de CO tout en assurant le maintien de la stabilité et la localisation de la flamme. En outre, les caractéristiques spécifiques des brûleurs à faible nombre de swirl LSB ont été retrouvée

Subjects/Keywords: Turbulence; Méthane

Record Details Similar Records Cite « Share

❌

APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Ouali, S. (2015). Etude et simulation numérique de la combustion turbulente des flammes prémélangées suspendues de méthane-air pour des bruleurs à faible nombre de swirl. (Thesis). Université M'Hamed Bougara Boumerdès. Retrieved from http://dlibrary.univ-boumerdes.dz:8080/jspui/handle/123456789/2003

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Ouali, Sofiane. “Etude et simulation numérique de la combustion turbulente des flammes prémélangées suspendues de méthane-air pour des bruleurs à faible nombre de swirl.” 2015. Thesis, Université M'Hamed Bougara Boumerdès. Accessed February 26, 2020. http://dlibrary.univ-boumerdes.dz:8080/jspui/handle/123456789/2003.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Ouali, Sofiane. “Etude et simulation numérique de la combustion turbulente des flammes prémélangées suspendues de méthane-air pour des bruleurs à faible nombre de swirl.” 2015. Web. 26 Feb 2020.

Vancouver:

Ouali S. Etude et simulation numérique de la combustion turbulente des flammes prémélangées suspendues de méthane-air pour des bruleurs à faible nombre de swirl. [Internet] [Thesis]. Université M'Hamed Bougara Boumerdès; 2015. [cited 2020 Feb 26]. Available from: http://dlibrary.univ-boumerdes.dz:8080/jspui/handle/123456789/2003.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Ouali S. Etude et simulation numérique de la combustion turbulente des flammes prémélangées suspendues de méthane-air pour des bruleurs à faible nombre de swirl. [Thesis]. Université M'Hamed Bougara Boumerdès; 2015. Available from: http://dlibrary.univ-boumerdes.dz:8080/jspui/handle/123456789/2003

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

11. Srinivasan, Ravi. Closure and complete integrability in Burgers turbulence.

Degree: PhD, Applied Mathematics, 2009, Brown University

URL: https://repository.library.brown.edu/studio/item/bdr:158/

► Burgers turbulence (1-D inviscid Burgers equation with random initial data) is a fundamental non-equilibrium model of stochastic coalescence. In this work we demonstrate that at… (more)

Subjects/Keywords: Burgers turbulence

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APA (6^th Edition):

Srinivasan, R. (2009). Closure and complete integrability in Burgers turbulence. (Doctoral Dissertation). Brown University. Retrieved from https://repository.library.brown.edu/studio/item/bdr:158/

Chicago Manual of Style (16^th Edition):

Srinivasan, Ravi. “Closure and complete integrability in Burgers turbulence.” 2009. Doctoral Dissertation, Brown University. Accessed February 26, 2020. https://repository.library.brown.edu/studio/item/bdr:158/.

MLA Handbook (7^th Edition):

Srinivasan, Ravi. “Closure and complete integrability in Burgers turbulence.” 2009. Web. 26 Feb 2020.

Vancouver:

Srinivasan R. Closure and complete integrability in Burgers turbulence. [Internet] [Doctoral dissertation]. Brown University; 2009. [cited 2020 Feb 26]. Available from: https://repository.library.brown.edu/studio/item/bdr:158/.

Council of Science Editors:

Srinivasan R. Closure and complete integrability in Burgers turbulence. [Doctoral Dissertation]. Brown University; 2009. Available from: https://repository.library.brown.edu/studio/item/bdr:158/

McGill University

12. Tovar, Juan N. Turbulence measurements in an axisymmetric double expansion.

Degree: M. Eng., Department of Chemical Engineering, 1979, McGill University

URL: http://digitool.library.mcgill.ca/thesisfile52333.pdf

Subjects/Keywords: Turbulence.

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APA (6^th Edition):

Tovar, J. N. (1979). Turbulence measurements in an axisymmetric double expansion. (Masters Thesis). McGill University. Retrieved from http://digitool.library.mcgill.ca/thesisfile52333.pdf

Chicago Manual of Style (16^th Edition):

Tovar, Juan N. “Turbulence measurements in an axisymmetric double expansion.” 1979. Masters Thesis, McGill University. Accessed February 26, 2020. http://digitool.library.mcgill.ca/thesisfile52333.pdf.

MLA Handbook (7^th Edition):

Tovar, Juan N. “Turbulence measurements in an axisymmetric double expansion.” 1979. Web. 26 Feb 2020.

Vancouver:

Tovar JN. Turbulence measurements in an axisymmetric double expansion. [Internet] [Masters thesis]. McGill University; 1979. [cited 2020 Feb 26]. Available from: http://digitool.library.mcgill.ca/thesisfile52333.pdf.

Council of Science Editors:

Tovar JN. Turbulence measurements in an axisymmetric double expansion. [Masters Thesis]. McGill University; 1979. Available from: http://digitool.library.mcgill.ca/thesisfile52333.pdf

University of British Columbia

13. Wilson, John Ronald. Some observed statistical properties of small scale turbulence .

Degree: 1974, University of British Columbia

URL: http://hdl.handle.net/2429/19211

► The purpose of this work was to investigate the characteristics of the small scales of the turbulent velocity and temperature fields in the atmospheric boundary… (more)

Subjects/Keywords: Turbulence

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APA (6^th Edition):

Wilson, J. R. (1974). Some observed statistical properties of small scale turbulence . (Thesis). University of British Columbia. Retrieved from http://hdl.handle.net/2429/19211

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Wilson, John Ronald. “Some observed statistical properties of small scale turbulence .” 1974. Thesis, University of British Columbia. Accessed February 26, 2020. http://hdl.handle.net/2429/19211.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Wilson, John Ronald. “Some observed statistical properties of small scale turbulence .” 1974. Web. 26 Feb 2020.

Vancouver:

Wilson JR. Some observed statistical properties of small scale turbulence . [Internet] [Thesis]. University of British Columbia; 1974. [cited 2020 Feb 26]. Available from: http://hdl.handle.net/2429/19211.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Wilson JR. Some observed statistical properties of small scale turbulence . [Thesis]. University of British Columbia; 1974. Available from: http://hdl.handle.net/2429/19211

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

University of British Columbia

14. Webster, Ian Taylor. Study of isotropic structure in atmospheric boundary layer turbulence .

Degree: 1972, University of British Columbia

URL: http://hdl.handle.net/2429/33707

► The two purposes of this study were to determine at what turbulent scales in a high Reynold's number shear flow the transition to isotropy occurs… (more)

Subjects/Keywords: Turbulence

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APA (6^th Edition):

Webster, I. T. (1972). Study of isotropic structure in atmospheric boundary layer turbulence . (Thesis). University of British Columbia. Retrieved from http://hdl.handle.net/2429/33707

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Webster, Ian Taylor. “Study of isotropic structure in atmospheric boundary layer turbulence .” 1972. Thesis, University of British Columbia. Accessed February 26, 2020. http://hdl.handle.net/2429/33707.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Webster, Ian Taylor. “Study of isotropic structure in atmospheric boundary layer turbulence .” 1972. Web. 26 Feb 2020.

Vancouver:

Webster IT. Study of isotropic structure in atmospheric boundary layer turbulence . [Internet] [Thesis]. University of British Columbia; 1972. [cited 2020 Feb 26]. Available from: http://hdl.handle.net/2429/33707.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Webster IT. Study of isotropic structure in atmospheric boundary layer turbulence . [Thesis]. University of British Columbia; 1972. Available from: http://hdl.handle.net/2429/33707

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

University of British Columbia

15. Pui, Nam Kiong. The plane mixing region between parallel streams .

Degree: 1969, University of British Columbia

URL: http://hdl.handle.net/2429/34589

► An experimental study of a mixing layer between two uniform parallel streams is undertaken for three velocity ratios: 0.81, 0.75 and 0.65. It is found… (more)

Subjects/Keywords: Turbulence.

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APA (6^th Edition):

Pui, N. K. (1969). The plane mixing region between parallel streams . (Thesis). University of British Columbia. Retrieved from http://hdl.handle.net/2429/34589

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Pui, Nam Kiong. “The plane mixing region between parallel streams .” 1969. Thesis, University of British Columbia. Accessed February 26, 2020. http://hdl.handle.net/2429/34589.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Pui, Nam Kiong. “The plane mixing region between parallel streams .” 1969. Web. 26 Feb 2020.

Vancouver:

Pui NK. The plane mixing region between parallel streams . [Internet] [Thesis]. University of British Columbia; 1969. [cited 2020 Feb 26]. Available from: http://hdl.handle.net/2429/34589.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Pui NK. The plane mixing region between parallel streams . [Thesis]. University of British Columbia; 1969. Available from: http://hdl.handle.net/2429/34589

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

University of British Columbia

16. Riahi, Ardeshir. Turbulent swirling flow in short cylindrical chambers .

Degree: 1990, University of British Columbia

URL: http://hdl.handle.net/2429/30810

► The effects of aspect ratio (L/D) on the rate of decay of swirl in a cylindrical chamber were experimentally studied using the Laser-Doppler-Anemometry technique. Preliminary… (more)

▼ The effects of aspect ratio (L/D) on the rate of decay of swirl in a cylindrical chamber were experimentally studied using the Laser-Doppler-Anemometry technique. Preliminary measurements revealed that water should be used as working fluid; the results pertaining to air were inferred from Reynolds number similarity. The steady-state measurements revealed that a solid body type of rotation can be generated by a disc whose surface has been uniformly roughened. The effect of aspect ratio on the rate of decay of such flow field was studied in three chambers with aspect ratios in the range of interest to engine combustion. Experimental results showed a faster decay rate in the shorter chamber (i.e. smaller aspect ratio). This was attributed to the stronger swirl driven secondary flow pattern in the shorter chamber. A mathematical model describing axi-symmetric, decaying, turbulent swirling flow inside a short cylindrical chamber was also developed. The model was numerically solved, using the control-volume analysis, to provide insight on swirl decay in engines. The model validation was based on experimental observations. Turbulence parameters were represented by a two-equation turbulence model, modified for streamline curvature effects. The ad-hoc curvature modification of the standard k-e model proposed by Launder et al. and the mixing energy model developed by Saffman-Wilcox-Traci (SWT) were used to account for curvature effects. The analysis of steady flow between two long concentric cylinders, established the superiority of the latter over the former method. The SWT model was also successfully used in reproducing previously published experimental results, pertaining to decaying swirling flow field (mean velocity and turbulence intensity) in a short cylinder. The calculated turbulence intensity profile revealed that swirl promotes anisotropic turbulence. The validated numerical model was used to predict the effect of aspect ratio on the rate of decay of the flow field observed by the experimental measurements in the present study. The overall prediction of decay rate was successful, leading to the conclusion that Wilcox and Chambers model can be used in predicting the behaviour of two-dimensional transient turbulent swirling flows.

Subjects/Keywords: Turbulence

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APA (6^th Edition):

Riahi, A. (1990). Turbulent swirling flow in short cylindrical chambers . (Thesis). University of British Columbia. Retrieved from http://hdl.handle.net/2429/30810

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Riahi, Ardeshir. “Turbulent swirling flow in short cylindrical chambers .” 1990. Thesis, University of British Columbia. Accessed February 26, 2020. http://hdl.handle.net/2429/30810.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Riahi, Ardeshir. “Turbulent swirling flow in short cylindrical chambers .” 1990. Web. 26 Feb 2020.

Vancouver:

Riahi A. Turbulent swirling flow in short cylindrical chambers . [Internet] [Thesis]. University of British Columbia; 1990. [cited 2020 Feb 26]. Available from: http://hdl.handle.net/2429/30810.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Riahi A. Turbulent swirling flow in short cylindrical chambers . [Thesis]. University of British Columbia; 1990. Available from: http://hdl.handle.net/2429/30810

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Oregon State University

17. Chan, Pui Yuen. Turbulent mixing across adjacent subchannels in packed rod bundles using conductivity measurement.

Degree: MS, Chemical Engineering, 1975, Oregon State University

URL: http://hdl.handle.net/1957/44289

► Turbulent mixing across adjacent subchannels in packed rod bundles was studied using conductivity measurement and sodium chloride solution as the tracer. Single phase water was… (more)

▼ Turbulent mixing across adjacent subchannels in packed rod bundles was studied using conductivity measurement and sodium chloride solution as the tracer. Single phase water was the fluid investigated. The packed rod bundles were seven stainless steel tubes, 1.905 cm in diameter and 152.4 cm long, arranged in hexagonal close-packed configuration and housed inside a 7.551 cm acrylic plastic tube. The geometric configuration enabled simultaneous investigation of turbulent mixing between triangular-triangular, triangular-trapezoidal and trapezoidal-trapezoidal channels. A set of coupled differential equations describing the mass transport between adjacent channels in rod bundles was written using the "lumped-parameter" approach which treated the large intersticies between the rods as the differential elements. The channel lumping technique resulted in a 4-channel model and a 2-channel model, reducing the number of differential equations that had to be investigated. A modified matrix method, made possible by successive data collected, was used in evaluating the crossflow mixing coefficients. The flow rate of water covered a range from 1000 cm³ to 5000 cm³. The gap spacing studied was 0.47 cm. The Reynolds number covered was from 6 x 10³ to 2.5 x 10⁴. The following were the result of the investigation: 1) The probe and the conductivity measurement is a very promising means of tracer technique if some improvement is made on the data-taking scheme. 2) The modified matrix technique evaluates the crossflow mixing coefficient directly from the input and output concentration data, provided there is very little or no error associated with the concentration data. 3) The turbulent mixing coefficient is shown to be a strong function of the subchannel Reynolds number. 4) Comparison with the works of the previous investigator shows that the turbulent mixing coefficient is not a strong function of gap spacing, it is indistinguishable within statistical significance. 5) The turbulent mixing coefficient is shown to be a weak function of subchannel geometry. Advisors/Committee Members: Knudsen, James G. (advisor).

Subjects/Keywords: Turbulence

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APA (6^th Edition):

Chan, P. Y. (1975). Turbulent mixing across adjacent subchannels in packed rod bundles using conductivity measurement. (Masters Thesis). Oregon State University. Retrieved from http://hdl.handle.net/1957/44289

Chicago Manual of Style (16^th Edition):

Chan, Pui Yuen. “Turbulent mixing across adjacent subchannels in packed rod bundles using conductivity measurement.” 1975. Masters Thesis, Oregon State University. Accessed February 26, 2020. http://hdl.handle.net/1957/44289.

MLA Handbook (7^th Edition):

Chan, Pui Yuen. “Turbulent mixing across adjacent subchannels in packed rod bundles using conductivity measurement.” 1975. Web. 26 Feb 2020.

Vancouver:

Chan PY. Turbulent mixing across adjacent subchannels in packed rod bundles using conductivity measurement. [Internet] [Masters thesis]. Oregon State University; 1975. [cited 2020 Feb 26]. Available from: http://hdl.handle.net/1957/44289.

Council of Science Editors:

Chan PY. Turbulent mixing across adjacent subchannels in packed rod bundles using conductivity measurement. [Masters Thesis]. Oregon State University; 1975. Available from: http://hdl.handle.net/1957/44289

Oregon State University

18. Jovanovic, Goran N. Natural and forced turbulent mixing in rod bundles.

Degree: MS, Chemical Engineering, 1974, Oregon State University

URL: http://hdl.handle.net/1957/44768

► The effects of mass flow rate and subchannel configuration on the turbulent interchange between adjacent subchannel in simulated rod bundle were investigated. The simulated rod… (more)

Subjects/Keywords: Turbulence

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APA (6^th Edition):

Jovanovic, G. N. (1974). Natural and forced turbulent mixing in rod bundles. (Masters Thesis). Oregon State University. Retrieved from http://hdl.handle.net/1957/44768

Chicago Manual of Style (16^th Edition):

Jovanovic, Goran N. “Natural and forced turbulent mixing in rod bundles.” 1974. Masters Thesis, Oregon State University. Accessed February 26, 2020. http://hdl.handle.net/1957/44768.

MLA Handbook (7^th Edition):

Jovanovic, Goran N. “Natural and forced turbulent mixing in rod bundles.” 1974. Web. 26 Feb 2020.

Vancouver:

Jovanovic GN. Natural and forced turbulent mixing in rod bundles. [Internet] [Masters thesis]. Oregon State University; 1974. [cited 2020 Feb 26]. Available from: http://hdl.handle.net/1957/44768.

Council of Science Editors:

Jovanovic GN. Natural and forced turbulent mixing in rod bundles. [Masters Thesis]. Oregon State University; 1974. Available from: http://hdl.handle.net/1957/44768

Oregon State University

19. Scheel, Randall Lee. Turbulent mixing between adjacent triangular channels : measurement by two techniques.

Degree: MS, Chemical Engineering, 1973, Oregon State University

URL: http://hdl.handle.net/1957/45234

Subjects/Keywords: Turbulence

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APA (6^th Edition):

Scheel, R. L. (1973). Turbulent mixing between adjacent triangular channels : measurement by two techniques. (Masters Thesis). Oregon State University. Retrieved from http://hdl.handle.net/1957/45234

Chicago Manual of Style (16^th Edition):

Scheel, Randall Lee. “Turbulent mixing between adjacent triangular channels : measurement by two techniques.” 1973. Masters Thesis, Oregon State University. Accessed February 26, 2020. http://hdl.handle.net/1957/45234.

MLA Handbook (7^th Edition):

Scheel, Randall Lee. “Turbulent mixing between adjacent triangular channels : measurement by two techniques.” 1973. Web. 26 Feb 2020.

Vancouver:

Scheel RL. Turbulent mixing between adjacent triangular channels : measurement by two techniques. [Internet] [Masters thesis]. Oregon State University; 1973. [cited 2020 Feb 26]. Available from: http://hdl.handle.net/1957/45234.

Council of Science Editors:

Scheel RL. Turbulent mixing between adjacent triangular channels : measurement by two techniques. [Masters Thesis]. Oregon State University; 1973. Available from: http://hdl.handle.net/1957/45234

Oregon State University

20. Wasowski, Stanley Francis. Measurements of turbulent velocities and an examination of their effects on mixing and suspension of particulate matter.

Degree: MS, Oceanography, 1973, Oregon State University

URL: http://hdl.handle.net/1957/22966

► An experiment was conducted in which a three component drag probe was used to measure the three directional components of turbulent velocity. While velocity measurements… (more)

Subjects/Keywords: Turbulence

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APA (6^th Edition):

Wasowski, S. F. (1973). Measurements of turbulent velocities and an examination of their effects on mixing and suspension of particulate matter. (Masters Thesis). Oregon State University. Retrieved from http://hdl.handle.net/1957/22966

Chicago Manual of Style (16^th Edition):

Wasowski, Stanley Francis. “Measurements of turbulent velocities and an examination of their effects on mixing and suspension of particulate matter.” 1973. Masters Thesis, Oregon State University. Accessed February 26, 2020. http://hdl.handle.net/1957/22966.

MLA Handbook (7^th Edition):

Wasowski, Stanley Francis. “Measurements of turbulent velocities and an examination of their effects on mixing and suspension of particulate matter.” 1973. Web. 26 Feb 2020.

Vancouver:

Wasowski SF. Measurements of turbulent velocities and an examination of their effects on mixing and suspension of particulate matter. [Internet] [Masters thesis]. Oregon State University; 1973. [cited 2020 Feb 26]. Available from: http://hdl.handle.net/1957/22966.

Council of Science Editors:

Wasowski SF. Measurements of turbulent velocities and an examination of their effects on mixing and suspension of particulate matter. [Masters Thesis]. Oregon State University; 1973. Available from: http://hdl.handle.net/1957/22966

Delft University of Technology

21. Fiscaletti, D. Small-scale motions in turbulent boundary-free shear flows.

Degree: 2016, Delft University of Technology

URL: http://resolver.tudelft.nl/uuid:b5e1b250-8134-418e-8354-c75c86c37a9c ; urn:NBN:nl:ui:24-uuid:b5e1b250-8134-418e-8354-c75c86c37a9c ; urn:NBN:nl:ui:24-uuid:b5e1b250-8134-418e-8354-c75c86c37a9c ; http://resolver.tudelft.nl/uuid:b5e1b250-8134-418e-8354-c75c86c37a9c

► The present work is an experimental and numerical investigation of the small-scale motions in turbulent free-shear flows. In the far-field turbulence of a jet at… (more)

▼ The present work is an experimental and numerical investigation of the small-scale motions in turbulent free-shear flows. In the far-field turbulence of a jet at high Reynolds number (Re? = 350) hot-wire anemometry (HWA) is applied to measure time series of flow velocity. By filtering these time series, large- and small-scale velocity fluctuations are obtained. Both the amplitude and the frequency of the small-scale signals are locally stronger (weaker) for positive (negative) fluctuations of the large-scale signal, which is refered to as amplitude and frequency modulation. The local amplitude and frequency of the small-scale signals increase monotonically with the strength of the large-scale velocity fluctuations. The same flow is also investigated with long-range ?PIV (microscopic Particle Image Velocimetry). The measurement is validated against the HWA signals by comparison of the turbulence statistics. A validation based on the topological content is also performed. The coherent structures of vorticity and of intense dissipation are adequately resolved, and their characteristic size is assessed. It is found that the size of the vortical structures does not change significantly when conditioned on strongly-positive or strongly-negative large-scale velocity fluctuations. Using the PIV results the amplitude and frequency modulation observed from HWA signals is explained as an inhomogeneous distribution of the small-scale structures within the flow. In particular, the analysis of ?PIV data reveals that the intense vortical and dissipation structures tend to be preferentially located in high-velocity regions, hence they are characterized by convection velocities higher than the mean velocity of the flow. Furthermore, the spatially resolved velocity vector fields allow to quantify amplitude modulation directly in physical space. From this direct estimation in physical space, amplitude modulation is only 25% of the value measured from hot-wire anemometry. The remaining 75% comes from the fixed spectral band filter used to obtain the large- and the small-scale signals, which does not consider the local convection velocity (Taylor hypothesis of frozen turbulence). A very similar overestimation of amplitude modulation when quantified in the time-frame is also confirmed analytically. Based on the experimental analysis on the jet an explanation for amplitude and frequency modulation is developed, which can be extended to other free-shear flows. The validity of this interpretation is assessed based on the analysis of Direct Numerical Simulations of a mixing layer, at the Reynolds number based on the Taylor microscale (Re? =) of 250. The local vorticity rms, taken as a measure of the small-scale activity, is found to be modulated by the large-scale velocity fluctuations depending on the position within the flow. In particular, on the low-speed side of the mixing layer, positive large-scale velocity fluctuations correspond to a stronger vorticity rms, whereas on the high-speed side, they correspond to a weaker vorticity rms.… Advisors/Committee Members: Westerweel, J..

Subjects/Keywords: turbulence

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APA (6^th Edition):

Fiscaletti, D. (2016). Small-scale motions in turbulent boundary-free shear flows. (Doctoral Dissertation). Delft University of Technology. Retrieved from http://resolver.tudelft.nl/uuid:b5e1b250-8134-418e-8354-c75c86c37a9c ; urn:NBN:nl:ui:24-uuid:b5e1b250-8134-418e-8354-c75c86c37a9c ; urn:NBN:nl:ui:24-uuid:b5e1b250-8134-418e-8354-c75c86c37a9c ; http://resolver.tudelft.nl/uuid:b5e1b250-8134-418e-8354-c75c86c37a9c

Chicago Manual of Style (16^th Edition):

Fiscaletti, D. “Small-scale motions in turbulent boundary-free shear flows.” 2016. Doctoral Dissertation, Delft University of Technology. Accessed February 26, 2020. http://resolver.tudelft.nl/uuid:b5e1b250-8134-418e-8354-c75c86c37a9c ; urn:NBN:nl:ui:24-uuid:b5e1b250-8134-418e-8354-c75c86c37a9c ; urn:NBN:nl:ui:24-uuid:b5e1b250-8134-418e-8354-c75c86c37a9c ; http://resolver.tudelft.nl/uuid:b5e1b250-8134-418e-8354-c75c86c37a9c.

MLA Handbook (7^th Edition):

Fiscaletti, D. “Small-scale motions in turbulent boundary-free shear flows.” 2016. Web. 26 Feb 2020.

Vancouver:

Fiscaletti D. Small-scale motions in turbulent boundary-free shear flows. [Internet] [Doctoral dissertation]. Delft University of Technology; 2016. [cited 2020 Feb 26]. Available from: http://resolver.tudelft.nl/uuid:b5e1b250-8134-418e-8354-c75c86c37a9c ; urn:NBN:nl:ui:24-uuid:b5e1b250-8134-418e-8354-c75c86c37a9c ; urn:NBN:nl:ui:24-uuid:b5e1b250-8134-418e-8354-c75c86c37a9c ; http://resolver.tudelft.nl/uuid:b5e1b250-8134-418e-8354-c75c86c37a9c.

Council of Science Editors:

Fiscaletti D. Small-scale motions in turbulent boundary-free shear flows. [Doctoral Dissertation]. Delft University of Technology; 2016. Available from: http://resolver.tudelft.nl/uuid:b5e1b250-8134-418e-8354-c75c86c37a9c ; urn:NBN:nl:ui:24-uuid:b5e1b250-8134-418e-8354-c75c86c37a9c ; urn:NBN:nl:ui:24-uuid:b5e1b250-8134-418e-8354-c75c86c37a9c ; http://resolver.tudelft.nl/uuid:b5e1b250-8134-418e-8354-c75c86c37a9c

University of Aberdeen

22. Newlands, Kristin. Numerical investigation of the flow structure in an annular channel with inter-rod spacing.

Degree: Dept. of Engineering., 2014, University of Aberdeen

URL: http://digitool.abdn.ac.uk:80/webclient/DeliveryManager?application=DIGITOOL-3&owner=resourcediscovery&custom_att_2=simple_viewer&pid=214845 ; http://digitool2.abdn.ac.uk:1801/webclient/DeliveryManager?pid=214845&custom_att_2=simple_viewer

Subjects/Keywords: Turbulence.

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APA (6^th Edition):

Newlands, K. (2014). Numerical investigation of the flow structure in an annular channel with inter-rod spacing. (Doctoral Dissertation). University of Aberdeen. Retrieved from http://digitool.abdn.ac.uk:80/webclient/DeliveryManager?application=DIGITOOL-3&owner=resourcediscovery&custom_att_2=simple_viewer&pid=214845 ; http://digitool2.abdn.ac.uk:1801/webclient/DeliveryManager?pid=214845&custom_att_2=simple_viewer

Chicago Manual of Style (16^th Edition):

Newlands, Kristin. “Numerical investigation of the flow structure in an annular channel with inter-rod spacing.” 2014. Doctoral Dissertation, University of Aberdeen. Accessed February 26, 2020. http://digitool.abdn.ac.uk:80/webclient/DeliveryManager?application=DIGITOOL-3&owner=resourcediscovery&custom_att_2=simple_viewer&pid=214845 ; http://digitool2.abdn.ac.uk:1801/webclient/DeliveryManager?pid=214845&custom_att_2=simple_viewer.

MLA Handbook (7^th Edition):

Newlands, Kristin. “Numerical investigation of the flow structure in an annular channel with inter-rod spacing.” 2014. Web. 26 Feb 2020.

Vancouver:

Newlands K. Numerical investigation of the flow structure in an annular channel with inter-rod spacing. [Internet] [Doctoral dissertation]. University of Aberdeen; 2014. [cited 2020 Feb 26]. Available from: http://digitool.abdn.ac.uk:80/webclient/DeliveryManager?application=DIGITOOL-3&owner=resourcediscovery&custom_att_2=simple_viewer&pid=214845 ; http://digitool2.abdn.ac.uk:1801/webclient/DeliveryManager?pid=214845&custom_att_2=simple_viewer.

Council of Science Editors:

Newlands K. Numerical investigation of the flow structure in an annular channel with inter-rod spacing. [Doctoral Dissertation]. University of Aberdeen; 2014. Available from: http://digitool.abdn.ac.uk:80/webclient/DeliveryManager?application=DIGITOOL-3&owner=resourcediscovery&custom_att_2=simple_viewer&pid=214845 ; http://digitool2.abdn.ac.uk:1801/webclient/DeliveryManager?pid=214845&custom_att_2=simple_viewer

Texas A&M University

23. Tian, Jing. Study of Nonlinear Analysis and Chaos in Vibrations and Fluids.

Degree: PhD, Mathematics, 2016, Texas A&M University

URL: http://hdl.handle.net/1969.1/157947

► Chaos and turbulence are two important topics in nonlinear dynamics. In this study, two problems related to chaos and turbulence modelling are presented. They are… (more)

▼ Chaos and turbulence are two important topics in nonlinear dynamics. In this study, two problems related to chaos and turbulence modelling are presented. They are the chaotic vibration phenomenon in high-dimensional partial differential equations and the emergence of the Navier-Stokes-alpha model for channel flows. The study of the chaotic vibration phenomenon in high-dimensional partial differential equations is explained from both the numerical and theoretical aspects. In the numerical perspective, we have studied the chaotic vibration phenomenon of the 2D wave equation through numerical simulations. Based on the finite-volume method, we have built our own solver “img2Foam" in the Computational Fluid Dynamics software OpenFOAM (Open source Field Operation and Manipulation). We have implemented several numerical simulations containing both chaotic and non-chaotic cases. As for the theoretical perspective, we give a rigorous proof for the chaotic vibration phenomenon of the 2D non-strictly hyperbolic equation. After introducing two linear operators, the initial system of the 2D non-strictly hyperbolic equation is converted into a system of two coupled first order equations. By using the method of characteristics, we have found the explicit solution formulas of the new system. We have also found a regime of the parameters when the chaotic vibration phenomenon occurs by applying the period-doubling bifurcation theorem. Numerical simulations are presented to validate the theoretical results. Inspired by the concept of the regular part of the weak attractor of the 3D Navier- Stokes equations, we concentrate on a restricted class of fluid flows to explore the transition from the Navier-Stokes equations to the Navier-Stokes-alpha model for channel flows. The Navier-Stokes equations have been widely used to describe the motion of viscous incompressible fluid flows. As an averaged version of the Navier- Stokes equations, the Navier-Stokes-alpha model has solid mathematical properties as well as reliable experimental matches. Therefore, the Navier-Stokes-alpha model is taken as an approximation for the dynamics of appropriately averaged turbulent fluid flows. We are interested in finding a connection between Navier-Stokes equations and the Navier-Stokes-alpha model in terms of the physical properties of the fluid flow. Given the hypothesis that the turbulence described by the Navier-Stokes-alpha model was partly due to the roughness of the walls, the transition from the Navier-Stokes equations into the Navier-Stokes-alpha model is presented by introducing a Reynolds type averaging. Advisors/Committee Members: Chen, Goong (advisor), Chin, Siu A (committee member), Daripa, Prabir (committee member), Howard, Peter (committee member).

Subjects/Keywords: chaos; turbulence

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APA (6^th Edition):

Tian, J. (2016). Study of Nonlinear Analysis and Chaos in Vibrations and Fluids. (Doctoral Dissertation). Texas A&M University. Retrieved from http://hdl.handle.net/1969.1/157947

Chicago Manual of Style (16^th Edition):

Tian, Jing. “Study of Nonlinear Analysis and Chaos in Vibrations and Fluids.” 2016. Doctoral Dissertation, Texas A&M University. Accessed February 26, 2020. http://hdl.handle.net/1969.1/157947.

MLA Handbook (7^th Edition):

Tian, Jing. “Study of Nonlinear Analysis and Chaos in Vibrations and Fluids.” 2016. Web. 26 Feb 2020.

Vancouver:

Tian J. Study of Nonlinear Analysis and Chaos in Vibrations and Fluids. [Internet] [Doctoral dissertation]. Texas A&M University; 2016. [cited 2020 Feb 26]. Available from: http://hdl.handle.net/1969.1/157947.

Council of Science Editors:

Tian J. Study of Nonlinear Analysis and Chaos in Vibrations and Fluids. [Doctoral Dissertation]. Texas A&M University; 2016. Available from: http://hdl.handle.net/1969.1/157947

24. Cheng, Ye, 1983-. A study of the fine-scale three-dimensional flow structures in turbulence using time-resolved stereoscopic scanning particle image velocimetry.

Degree: Mechanical and Aerospace Engineering, 2011, Rutgers University

URL: http://hdl.rutgers.edu/1782.1/rucore10001600001.ETD.000063353

Subjects/Keywords: Turbulence

…4 1.4 REVIEW OF PIV TECHNIQUES USED IN THE STUDY OF TURBULENCE… …68 Chapter 5 Statistical Analysis of Turbulence… …importance, as turbulence has the ability to transport and mix fluid very effectively. The study of… …turbulence is also of great interest to researchers as it occurs in many natural and manmade flows… …and the understanding of mass, momentum and energy transport in turbulence has both…

12 more images…

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APA (6^th Edition):

Cheng, Ye, 1. (2011). A study of the fine-scale three-dimensional flow structures in turbulence using time-resolved stereoscopic scanning particle image velocimetry. (Thesis). Rutgers University. Retrieved from http://hdl.rutgers.edu/1782.1/rucore10001600001.ETD.000063353

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Cheng, Ye, 1983-. “A study of the fine-scale three-dimensional flow structures in turbulence using time-resolved stereoscopic scanning particle image velocimetry.” 2011. Thesis, Rutgers University. Accessed February 26, 2020. http://hdl.rutgers.edu/1782.1/rucore10001600001.ETD.000063353.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Cheng, Ye, 1983-. “A study of the fine-scale three-dimensional flow structures in turbulence using time-resolved stereoscopic scanning particle image velocimetry.” 2011. Web. 26 Feb 2020.

Vancouver:

Cheng, Ye 1. A study of the fine-scale three-dimensional flow structures in turbulence using time-resolved stereoscopic scanning particle image velocimetry. [Internet] [Thesis]. Rutgers University; 2011. [cited 2020 Feb 26]. Available from: http://hdl.rutgers.edu/1782.1/rucore10001600001.ETD.000063353.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Cheng, Ye 1. A study of the fine-scale three-dimensional flow structures in turbulence using time-resolved stereoscopic scanning particle image velocimetry. [Thesis]. Rutgers University; 2011. Available from: http://hdl.rutgers.edu/1782.1/rucore10001600001.ETD.000063353

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Virginia Tech

25. Goody, Michael. An Experimental Investigation of Pressure Fluctuations in Three-Dimensional Turbulent Boundary Layers.

Degree: PhD, Aerospace and Ocean Engineering, 1999, Virginia Tech

URL: http://hdl.handle.net/10919/29908

► This dissertation presents experimental measurements and analysis of the surface pressure fluctuations beneath several turbulent boundary layers of practical interest. Pressure fluctuations in turbulent boundary… (more)

▼ This dissertation presents experimental measurements and analysis of the surface pressure fluctuations beneath several turbulent boundary layers of practical interest. Pressure fluctuations in turbulent boundary layers are a source of noise and vibration that can accelerate structural fatigue. Pressure fluctuations and their correlation with velocity fluctuations is an important diffusive mechanism of turbulence transport. The approach was to study the statistics of both the surface pressure and the velocity field through new measurements of the fluctuating surface pressure and existing measurements of the velocity field and the covariance of the surface pressure and fluctuating velocity components. Measurements were made in three types of flows. The first type of flow was a zero pressure gradient, two-dimensional, turbulent boundary layer (Re(theta) = 7300 and Re(theta) = 23400). The two-dimensional flows serve as a baseline for comparison to the other three-dimensional flows and validate the experimental techniques used in the present study through comparison with existing measurements. The second type of flow was a three-dimensional, pressure-driven, turbulent boundary layer that forms away from a wing-body junction. Two of this type of boundary layer were studied - Re(theta) = 5940 and Re(theta) = 23200. The third type of flow was the separating flow about the leeside of a 6:1 prolate spheroid at angle of attack. Measurements were made at two angles of attack, 10Â° and 20Â°, and two axial locations, x/L = 0.600 and x/L = 0.772, in this type of flow. Spectral scaling is discussed and various scaling combinations of the spectral power density of surface pressure fluctuations beneath two-dimensional boundary layers that cover a wide range of Reynolds number (1400 < Re(theta) < 23400) are presented. The spectral power density of surface pressure fluctuations beneath the separating flow on the leeside of a 6:1 prolate spheroid at 10Â° angle of attack collapse when normalized using viscous scales. However, the spectral power density of surface pressure fluctuations beneath highly three-dimensional flow contain nearly constant spectral levels within a middle to high frequency range. The nearly constant spectral levels are due to a lack of overlapping frequency structure between the large-scale motions and the viscous-dominated motions since each of these types of motion may have different flow histories due to the three-dimensional flow structure. This effect amplifies the importance of the middle frequency range to p' as compared to two-dimensional flows. In terms of instrumentation, accurate p' measurements in a three-dimensional flow require accurate high frequency (f > 20 kHz) p measurements. The lack of similarity in the shape of the spectral power density preclude a direct extension of "universal" generalizations that are true for surface pressure fluctuations beneath two-dimensional boundary layers. The resulting RMS surface pressure fluctuation distributions reflect the importance of the high frequency wall… Advisors/Committee Members: Simpson, Roger L. (committeechair), Olcmen, Semih M. (committee member), Devenport, William J. (committee member), Schetz, Joseph A. (committee member), Grossman, Bernard M. (committee member).

Subjects/Keywords: turbulence

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APA (6^th Edition):

Goody, M. (1999). An Experimental Investigation of Pressure Fluctuations in Three-Dimensional Turbulent Boundary Layers. (Doctoral Dissertation). Virginia Tech. Retrieved from http://hdl.handle.net/10919/29908

Chicago Manual of Style (16^th Edition):

Goody, Michael. “An Experimental Investigation of Pressure Fluctuations in Three-Dimensional Turbulent Boundary Layers.” 1999. Doctoral Dissertation, Virginia Tech. Accessed February 26, 2020. http://hdl.handle.net/10919/29908.

MLA Handbook (7^th Edition):

Goody, Michael. “An Experimental Investigation of Pressure Fluctuations in Three-Dimensional Turbulent Boundary Layers.” 1999. Web. 26 Feb 2020.

Vancouver:

Goody M. An Experimental Investigation of Pressure Fluctuations in Three-Dimensional Turbulent Boundary Layers. [Internet] [Doctoral dissertation]. Virginia Tech; 1999. [cited 2020 Feb 26]. Available from: http://hdl.handle.net/10919/29908.

Council of Science Editors:

Goody M. An Experimental Investigation of Pressure Fluctuations in Three-Dimensional Turbulent Boundary Layers. [Doctoral Dissertation]. Virginia Tech; 1999. Available from: http://hdl.handle.net/10919/29908

26. Hassaini, Roumaissa. Etude de la turbulence d'ondes élastiques et gravito-capillaires : de l'idéal théorique aux conditions réelles ? : Study of turbulence of elastic and gravity-capillary waves : beyond the weak turbulence theory ?.

Degree: Docteur es, Mécanique des fluides Energétique, Procédés, 2018, Grenoble Alpes

URL: http://www.theses.fr/2018GREAI064

►

La turbulence d'onde faible (TTF) est une théorie statistique appliquée à un ensemble d'ondes aléatoires non cohérentes et dispersives. En supposant un domaine infini et… (more)

▼

La turbulence d'onde faible (TTF) est une théorie statistique appliquée à un ensemble d'ondes aléatoires non cohérentes et dispersives. En supposant un domaine infini et une nonlinéarité infinitésimale, une prédiction sur la cascade d'énergie entre échelles par le biais d'interactions résonantes des échelles d'injection aux échelles dissipatives est alors possible. La théorie semble souvent mise en défaut par la confrontation expérimentale pour les ondes de surface. Une explication potentielle de cette divergence entre expérience et théorie est l'aspect fortement restrictif des hypothèses nécessaires à la validité de la théorie. Nous proposons dans cette thèse d'explorer l'impact du non-respect de certaines de ces hypothèses sur les propriétés statistiques de la turbulence. Des expériences à l'interface de deux liquides non-miscibles ont été entreprises afin d'étudier l'impact de l'augmentation de la dissipation visqueuse et donc de la réduction du temps dissipatif sur la mise en place de la cascade d'énergie. Une expérience à la surface de l'eau avec un confinement progressif de la largeur de la cuve a été effectuée afin d'observer une potentielle coexistence de la turbulence discrète, dans la direction confinée, et continue, dans la direction non confinée. Une analyse expérimentale des ondes gravito-capillaires où la dispersion a été réduite a permis de mettre en lumière une transition d'un régime de TTF vers un régime contenant des structures cohérentes localisées que sont les solitons. Afin de vérifier si une telle transition peut être visible sur un système physique différent, une étude expérimentale et numérique ont été conduites sur les ondes dans une plaque élastique précontrainte. Dans ce milieu l'effet de dispersion des ondes de flexion et en compétition avec le caractère non-dispersif des ondes de tension. Nous nous intéresserons par ailleurs numériquement aux régimes faiblement et fortement non-linéaires des ondes purement non-dispersives dans la membrane.

Weak wave turbulence (WTT) is a statistical theory applied to a large number of incoherent and dispersive waves. Based on the hypothesis of small non-linearity and infinite domain the theory predicts an energy cascade from the forcing scales to the dissipative scales. The confrontation of WTT to experiment for surface waves raises many inconsistencies. The strong hypotheses on which is developed the WWT may be the explanation of such disparity between experiment and theory. The aim of this Thesis is to investigate the impact of the invalidation of some of these conditions on the statistical properties of turbulence. Experiments of interfacial waves between two non-miscible fluids with different viscosities have been carried out to characterize the effect of the increase of viscous dissipation on the energy cascade. An experiment at the surface of water with an increasing confinement of the width of the vessel has been done in order to possibly observe a co-existence between discrete turbulence and classical turbulence. An experimental study of…

Advisors/Committee Members: Mordant, Nicolas (thesis director).

Subjects/Keywords: Turbulence; Ondes élastiques; Ondes capillaires; Turbulence faible; Turbulence forte; Turbulence; Elastic waves; Capillary waves; Strong turbulence; Weak turbulence; 530

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Hassaini, R. (2018). Etude de la turbulence d'ondes élastiques et gravito-capillaires : de l'idéal théorique aux conditions réelles ? : Study of turbulence of elastic and gravity-capillary waves : beyond the weak turbulence theory ?. (Doctoral Dissertation). Grenoble Alpes. Retrieved from http://www.theses.fr/2018GREAI064

Chicago Manual of Style (16^th Edition):

Hassaini, Roumaissa. “Etude de la turbulence d'ondes élastiques et gravito-capillaires : de l'idéal théorique aux conditions réelles ? : Study of turbulence of elastic and gravity-capillary waves : beyond the weak turbulence theory ?.” 2018. Doctoral Dissertation, Grenoble Alpes. Accessed February 26, 2020. http://www.theses.fr/2018GREAI064.

MLA Handbook (7^th Edition):

Hassaini, Roumaissa. “Etude de la turbulence d'ondes élastiques et gravito-capillaires : de l'idéal théorique aux conditions réelles ? : Study of turbulence of elastic and gravity-capillary waves : beyond the weak turbulence theory ?.” 2018. Web. 26 Feb 2020.

Vancouver:

Hassaini R. Etude de la turbulence d'ondes élastiques et gravito-capillaires : de l'idéal théorique aux conditions réelles ? : Study of turbulence of elastic and gravity-capillary waves : beyond the weak turbulence theory ?. [Internet] [Doctoral dissertation]. Grenoble Alpes; 2018. [cited 2020 Feb 26]. Available from: http://www.theses.fr/2018GREAI064.

Council of Science Editors:

Hassaini R. Etude de la turbulence d'ondes élastiques et gravito-capillaires : de l'idéal théorique aux conditions réelles ? : Study of turbulence of elastic and gravity-capillary waves : beyond the weak turbulence theory ?. [Doctoral Dissertation]. Grenoble Alpes; 2018. Available from: http://www.theses.fr/2018GREAI064

27. Shurgalina, Ekaterina. Dynamique de champs de vagues irréguliers en zone côtière : Dynamics of irregular wave ensembles in the coastal zone.

Degree: Docteur es, Mécanique et physique des fluides, 2015, Ecole centrale de Marseille; Ecole centrale de Marseille; Nizhny Novgorod State Technical Univercity

URL: http://www.theses.fr/2015ECDM0002

►

Les vagues et les ondes internes de gravité ont un impact important surl’hydrodynamique et l’hydrologie de la zone côtière. Les vagues extrêmes sontparticulièrement intéressantes à… (more)

▼

Les vagues et les ondes internes de gravité ont un impact important surl’hydrodynamique et l’hydrologie de la zone côtière. Les vagues extrêmes sontparticulièrement intéressantes à étudier, car elles sont une menace sérieuse pour letransport maritime, les plates-formes pétrolières, les installations portuaires et leszones touristiques de la côte. Ces ondes entravent aussi les activités humainesdéveloppées à la côte. Les ondes internes non linéaires affectent la biosphèreaquatique, notamment le transport de sédiments et créent des affouillements à labase des plates-formes et des pipelines. Elles affectent également la propagationdes signaux acoustiques. Les vagues scélérates provoquent d’importants dégâtsmatériels et de nombreuses pertes en vies humaines. Par conséquent, l’étude de laformation des ondes scélérates dans la zone côtière est d’une importance capitale.L'objectif principal de la thèse est l'étude de la formation d’ondes océaniquesanormales dans la zone côtières pour différentes profondeurs d’eau et différentschamps d'ondes. Il est montré que le mécanisme de focalisation dispersive àl’origine de la formation d’ondes scélérates est pertinent quand les ondesinteragissent avec une paroi verticale. Il est démontré que juste avant la formationde l’onde maximale, celle-ci change rapidement de forme, d'une haute crête vers uncreux profond. La durée de vie de l’onde scélérate augmente avec le nombred’ondes individuelles contenues dans le paquet d'ondes anormales et lorsque laprofondeur de l'eau diminue.Il est démontré que l'interaction de paires de solitons unipolaires conduit à unediminution des facteurs de dissymétrie et d’aplatissement du champ d'ondes. Il estprouvé que dans le cas d'interactions hétéropolaires de solitons, le facteurd’aplatissement augmente.La dynamique non linéaire de champs de solitons unipolaires aléatoires estétudiée dans le cadre de l’équation de Korteweg - de Vries (KdV) et de l’équationde Korteweg - de Vries modifiée (mKdV). Il est montré que les coefficients dedissymétrie et d'aplatissement du gaz de solitons sont réduits à la suite de collisionsde solitons. Les fonctions de distribution des amplitudes des ondes sont obtenues.Le comportement des champs solitoniques dans le cadre de ces modèles estqualitativement similaire. Il est démontré que l'amplitude des ondes extrêmesdiminue en moyenne en raison des interactions entre multi-solitons.Dans le cadre de l'équation de Korteweg-de Vries modifiée, les interactionsnon linéaires entre le soliton de plus petite amplitude et les autres solitons du gazont pour effet de réduire sa célérité qui devient négative et de modifier ainsi sadirection de propagation.A partir de l'équation de Korteweg-de Vries modifiée, il est prouvé que dans ungaz de solitons héteropolaires, des ondes scélérates peuvent se former. Laprobabilité d’occurrence et l’amplitude des ondes scélérates dans de tels systèmesaugmente avec la densité du gaz de solitons.

Surface and internal gravity waves have an important impact on the hydrological regime ofthe coastal zone.…

Advisors/Committee Members: Kharif, Christian (thesis director), Pelinovsky, Efim (thesis director).

Subjects/Keywords: Équations modèles; Turbulence; Model equations; Turbulence

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APA (6^th Edition):

Shurgalina, E. (2015). Dynamique de champs de vagues irréguliers en zone côtière : Dynamics of irregular wave ensembles in the coastal zone. (Doctoral Dissertation). Ecole centrale de Marseille; Ecole centrale de Marseille; Nizhny Novgorod State Technical Univercity. Retrieved from http://www.theses.fr/2015ECDM0002

Chicago Manual of Style (16^th Edition):

Shurgalina, Ekaterina. “Dynamique de champs de vagues irréguliers en zone côtière : Dynamics of irregular wave ensembles in the coastal zone.” 2015. Doctoral Dissertation, Ecole centrale de Marseille; Ecole centrale de Marseille; Nizhny Novgorod State Technical Univercity. Accessed February 26, 2020. http://www.theses.fr/2015ECDM0002.

MLA Handbook (7^th Edition):

Shurgalina, Ekaterina. “Dynamique de champs de vagues irréguliers en zone côtière : Dynamics of irregular wave ensembles in the coastal zone.” 2015. Web. 26 Feb 2020.

Vancouver:

Shurgalina E. Dynamique de champs de vagues irréguliers en zone côtière : Dynamics of irregular wave ensembles in the coastal zone. [Internet] [Doctoral dissertation]. Ecole centrale de Marseille; Ecole centrale de Marseille; Nizhny Novgorod State Technical Univercity; 2015. [cited 2020 Feb 26]. Available from: http://www.theses.fr/2015ECDM0002.

Council of Science Editors:

Shurgalina E. Dynamique de champs de vagues irréguliers en zone côtière : Dynamics of irregular wave ensembles in the coastal zone. [Doctoral Dissertation]. Ecole centrale de Marseille; Ecole centrale de Marseille; Nizhny Novgorod State Technical Univercity; 2015. Available from: http://www.theses.fr/2015ECDM0002

University of Victoria

28. Polonichko, Vadim Dmitri. Response of the upper ocean to wind, wave and buoyancy forcing.

Degree: School of Earth and Ocean Sciences, 2017, University of Victoria

URL: https://dspace.library.uvic.ca//handle/1828/8397

► At high winds, turbulence in the ocean surface mixed layer is dominated by organized coherent structures in the form of counterrotating helical vortices known as… (more)

▼ At high winds, turbulence in the ocean surface mixed layer is dominated by organized coherent structures in the form of counterrotating helical vortices known as Langmuir cells. While the dynamics of the ocean surface layer has been studied rather extensively at lower wind speeds, the detailed physics at higher winds has remained largely inaccessible because of limited sea-going operations and difficulty conducting in situ measurements at high sea states. In the present thesis new measurement techniques, based on acoustical remote sensing, are described. A freely drifting imaging sonar was employed, which allowed us to follow time-evolving features for an extended period of time. This imaging sonar extends the acoustical approach beyond fixed orientation sonars and covers a full 360° circle on the surface. The full circle capability turns out to be a key addition to the measurements: it allowed quantitative evaluation of the directional properties of Langmuir circulation surface structure. These new methods allow us to sample near-surface circulation and bubble distributions even in extreme conditions, and contribute to our understanding of small scale dynamics in the wind driven surface layer. Using vertical velocity measurements in the convergent regions of Langmuir circulation and a model scaling, we infer the effective viscosity relevant to cell generation. Matching velocity- and temperature-inferred turbulent viscosities we estimate the depth scale over which the wind-wave forcing is of most importance. The velocity-inferred viscosity compares favorably with the mean model viscosity values evaluated at approximately two significant wave heights below the surface. Combining the effective viscosity calculated at different depths with the observed Stokes drift and friction velocity we estimate Langmuir numbers La between 0.015 and 0.1. We observe evolving cell patterns at larger La (between 0.02 and 0.05), which indicates that higher viscosity values than previously assumed in the models may be relevant for Langmuir circulation dynamics. Acoustical observations of the orientation of surface bubble clouds and the directional wave field during several deployments provided an opportunity for comparison of the directional properties of Langmuir circulation with a model that takes into account effects associated with misalignment of the Stokes drift and wind forcing. Model results imply that the growth rate is maximal overall when wind and waves are aligned. For a given angle between the Stokes drift and the wind (the misalignment angle) the direction of the cell axis for maximal growth lies between the Stokes drift and the wind and is mainly determined by (i) the misalignment angle and (ii) the ratio of the Stokes drift shear and mean Eulerian shear. Our ocean observations showed Langmuir cells responding to the changes in wind direction within 15 to 20 min. On two occasions, when the wind changed direction and waves lagged behind, the cells were observed to form in an intermediate… Advisors/Committee Members: Farmer, David M. (supervisor), Garrett, Christopher J. R. (supervisor).

Subjects/Keywords: Plasma turbulence; Plasma frequencies; Turbulence; Plasma waves

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APA (6^th Edition):

Polonichko, V. D. (2017). Response of the upper ocean to wind, wave and buoyancy forcing. (Thesis). University of Victoria. Retrieved from https://dspace.library.uvic.ca//handle/1828/8397

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Polonichko, Vadim Dmitri. “Response of the upper ocean to wind, wave and buoyancy forcing.” 2017. Thesis, University of Victoria. Accessed February 26, 2020. https://dspace.library.uvic.ca//handle/1828/8397.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Polonichko, Vadim Dmitri. “Response of the upper ocean to wind, wave and buoyancy forcing.” 2017. Web. 26 Feb 2020.

Vancouver:

Polonichko VD. Response of the upper ocean to wind, wave and buoyancy forcing. [Internet] [Thesis]. University of Victoria; 2017. [cited 2020 Feb 26]. Available from: https://dspace.library.uvic.ca//handle/1828/8397.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Polonichko VD. Response of the upper ocean to wind, wave and buoyancy forcing. [Thesis]. University of Victoria; 2017. Available from: https://dspace.library.uvic.ca//handle/1828/8397

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

29. Mezemate, Yacine. Analyse et modélisation multifractales des interactions ondes-turbulence-biologie dans un lac urbain : Multifractal analysis and simulation of turbulence, waves and biochemistry interactions in small urban lakes.

Degree: Docteur es, Sciences et Techniques de l'Environnement, 2014, Université Paris-Est

URL: http://www.theses.fr/2014PEST1166

► Les recherches en milieu lacustre ont généralement porté sur les grands lacs naturels et les barrages. Or les défis scientifiques que présentent les lacs urbains… (more)

▼ Les recherches en milieu lacustre ont généralement porté sur les grands lacs naturels et les barrages. Or les défis scientifiques que présentent les lacs urbains sont nombreux du fait de leur faible profondeur et de leur extension .Le travail que nous présentons ici s'inscrit dans le cadre du projet Petits Lacs Urbains Mesures Modèles Multi-Echelles (PLUMMME), projet financé par la région Île-de-France (programme DIM R2DS).Ce projet a permis l'équipement du lac de Créteil en mesures à haute résolution. Ce sont ces mesures physiques et biologiques qui sont essentiellement exploitées dans cette thèse, parfois en comparaison avec celles du lac du Bourget. La première étape de cette thèse a été ainsi d'enrichir la base de données déjà disponible. Pour cela, nous avons mis en place une station de mesure en continu (capteurs de température, chlorophylle et luminosité, données météorologique telles que vitesse du vent et température atmosphérique), ainsi que deux chaînes de mesures comportant différents capteurs. Des campagnes de mesures spécifiques ont également été réalisées pour l'étude de hydrodynamique à l'aide d'un courantomètre de type Acoustic Doppler Velocimeter (ADV), ainsi qu'un profileur de type Acoustic Doppler Current Profilers (ADCP) à deux points différents du lac (point central et point du rejet d'eaux pluviales). L'analyse des différents champs montre que le lac présente des stratifications avec une période d'une semaine. Nous avons également identifié les modes d'oscillations des ondes internes lorsque ces dernières se produisent sous l'effet du vent. L'analyse spectrale a permis de mettre en évidence une première propriété d'invariance d'échelle des différents champs mesurés. Les différents processus physique (turbulence, stratification, écoulement proche de la paroi) opérant le long de la colonne d'eau ont également été caractérisés. L'analyse spectrale ne permet pas de mettre en évidence le caractère intermittent des fluctuations des champs mesurés, ces dernières peuvent par contre être analysées à l'aide des techniques multifractales. Dans cette thèse nous avons montré que lorsqu'il existe une dépendance entre deux champs, celle ci est multi-échelle. L'utilisation du modèle multifractal universel (UM) a permis de quantifier le degré de cette dépendance. La qualité de l'estimation des paramètres UM dépend fortement de celle de l'invariance d'échelle observée: des séries temporelles présentant des tendances ne respectent pas cette invariance. Les effets de ces dernières sur l'estimation des paramètres UM peuvent être éliminés en utilisant la méthode de décomposition empirique modale dans l'espace physique. L'utilisation des données du champ de vitesse mesuré à l'aide de l'ADCP montre que, les pentes des spectres suivent un profil logarithmique selon la verticale, cela met en évidence que différents processus physiques opèrent le long de la colonne d'eau. Nous montrons également que l'hydrodynamique du lac est fortement perturbée à petite échelle au point du rejet d'eau pluviale. La dernière partie de la… Advisors/Committee Members: Schertzer, Daniel (thesis director).

Subjects/Keywords: Turbulence; Multifractal; Ondes; Turbulence; Multifractal; Waves

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APA (6^th Edition):

Mezemate, Y. (2014). Analyse et modélisation multifractales des interactions ondes-turbulence-biologie dans un lac urbain : Multifractal analysis and simulation of turbulence, waves and biochemistry interactions in small urban lakes. (Doctoral Dissertation). Université Paris-Est. Retrieved from http://www.theses.fr/2014PEST1166

Chicago Manual of Style (16^th Edition):

Mezemate, Yacine. “Analyse et modélisation multifractales des interactions ondes-turbulence-biologie dans un lac urbain : Multifractal analysis and simulation of turbulence, waves and biochemistry interactions in small urban lakes.” 2014. Doctoral Dissertation, Université Paris-Est. Accessed February 26, 2020. http://www.theses.fr/2014PEST1166.

MLA Handbook (7^th Edition):

Mezemate, Yacine. “Analyse et modélisation multifractales des interactions ondes-turbulence-biologie dans un lac urbain : Multifractal analysis and simulation of turbulence, waves and biochemistry interactions in small urban lakes.” 2014. Web. 26 Feb 2020.

Vancouver:

Mezemate Y. Analyse et modélisation multifractales des interactions ondes-turbulence-biologie dans un lac urbain : Multifractal analysis and simulation of turbulence, waves and biochemistry interactions in small urban lakes. [Internet] [Doctoral dissertation]. Université Paris-Est; 2014. [cited 2020 Feb 26]. Available from: http://www.theses.fr/2014PEST1166.

Council of Science Editors:

Mezemate Y. Analyse et modélisation multifractales des interactions ondes-turbulence-biologie dans un lac urbain : Multifractal analysis and simulation of turbulence, waves and biochemistry interactions in small urban lakes. [Doctoral Dissertation]. Université Paris-Est; 2014. Available from: http://www.theses.fr/2014PEST1166

Georgia Tech

30. Fernandez, Cody. Measurement techniques used to determine atmospheric structure parameter.

Degree: MS, Electrical and Computer Engineering, 2019, Georgia Tech

URL: http://hdl.handle.net/1853/61318

► The objective of the proposed research is to compare and analyze the effectiveness of different atmospheric structure constant (Cn2) measurement techniques using data collected in… (more)

Subjects/Keywords: Optical turbulence; Atmospheric optical turbulence; Atmospheric sciences

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Fernandez, C. (2019). Measurement techniques used to determine atmospheric structure parameter. (Masters Thesis). Georgia Tech. Retrieved from http://hdl.handle.net/1853/61318

Chicago Manual of Style (16^th Edition):

Fernandez, Cody. “Measurement techniques used to determine atmospheric structure parameter.” 2019. Masters Thesis, Georgia Tech. Accessed February 26, 2020. http://hdl.handle.net/1853/61318.

MLA Handbook (7^th Edition):

Fernandez, Cody. “Measurement techniques used to determine atmospheric structure parameter.” 2019. Web. 26 Feb 2020.

Vancouver:

Fernandez C. Measurement techniques used to determine atmospheric structure parameter. [Internet] [Masters thesis]. Georgia Tech; 2019. [cited 2020 Feb 26]. Available from: http://hdl.handle.net/1853/61318.

Council of Science Editors:

Fernandez C. Measurement techniques used to determine atmospheric structure parameter. [Masters Thesis]. Georgia Tech; 2019. Available from: http://hdl.handle.net/1853/61318

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Open Access Theses and Dissertations