Open Access Theses and Dissertations

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KTH

1. Sundblad, Sara. Predictions of Pulp and Paper Properties Based on Fiber Morphology.

Degree: Chemical Science and Engineering (CHE), 2015, KTH

URL: http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-180550 

The aim is to investigate models that predicts the potential of pulp and evaluate the relevance of the zero-span tensile index within these. Two chemical pulps made from softwood and eucalyptus were refined in a Voith-beater with different energy input in order to study the change of fiber morphology signals and other pulp and paper properties. Chemical, THP pulp from Södra Värö is also used as an initial analysis for morphological connections to Zero-span tensile index. The L&W Fiber Tester Plus is used in order to study the pulps fiber morphology and Pulmac 2000 for zero span. Handsheets are made for mechanical tests such as tensile properties, ZD-strength and optical properties. Many of the given signals change according to clear patterns with increasing refining energy. Using least square methods, formulas describing the development with high adaptation could be formulated. Many of the measured aspects changes over already known patterns. These are then applied in the models. Three possible models is tested: linear regression, Shear-Lag and Page. Of the three, only the two first ones where able to produce reliable models, whereas the third required data that was difficult to acquire at the same time as the adaptation was very low. The only model that use exclusively morphology data is linear regression.

Subjects/Keywords: Pulp Refining; Tensile Index; Zero-span tensile index; Fiber Morphology; Linear Regression

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

APA (6th Edition):

Sundblad, S. (2015). Predictions of Pulp and Paper Properties Based on Fiber Morphology. (Thesis). KTH. Retrieved from http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-180550

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

Chicago Manual of Style (16th Edition):

Sundblad, Sara. “Predictions of Pulp and Paper Properties Based on Fiber Morphology.” 2015. Thesis, KTH. Accessed April 11, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-180550.

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

MLA Handbook (7th Edition):

Sundblad, Sara. “Predictions of Pulp and Paper Properties Based on Fiber Morphology.” 2015. Web. 11 Apr 2021.

Vancouver:

Sundblad S. Predictions of Pulp and Paper Properties Based on Fiber Morphology. [Internet] [Thesis]. KTH; 2015. [cited 2021 Apr 11]. Available from: http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-180550.

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

Council of Science Editors:

Sundblad S. Predictions of Pulp and Paper Properties Based on Fiber Morphology. [Thesis]. KTH; 2015. Available from: http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-180550

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

2. Κόντε - Θρασυβουλίδου, Άννα. Μελέτη επί των γενικευμένων πινάκων και εφαρμογές.

Degree: 2003, National and Kapodistrian University of Athens; Εθνικό και Καποδιστριακό Πανεπιστήμιο Αθηνών (ΕΚΠΑ)

URL: http://hdl.handle.net/10442/hedi/19651 

Subjects/Keywords: Γενικευμένο άθροισμα; Γενικευμένη βάση; Γραμμική θήκη; Γενικευμένη διαμέριση; Γραμμομηδενιστής; Στηλομηδενιστής; Πίνακας πεπερασμένων γραμμών; Πίνακας πεπερασμένων στηλών; Τελεστικές οικογένειες; Generalized sum; Generalized base; Linear span; Generalized partition; Line-annihilator; Column-annihilator; Matrice of finite lines; Matrice of finite columns; Operative families

Record Details  Similar Records    Google PlusoneFacebookTwitterCiteULikeMendeleyreddit

❌

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

APA (6th Edition):

Κόντε - Θρασυβουλίδου, . . (2003). Μελέτη επί των γενικευμένων πινάκων και εφαρμογές. (Thesis). National and Kapodistrian University of Athens; Εθνικό και Καποδιστριακό Πανεπιστήμιο Αθηνών (ΕΚΠΑ). Retrieved from http://hdl.handle.net/10442/hedi/19651

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

Chicago Manual of Style (16th Edition):

Κόντε - Θρασυβουλίδου, Άννα. “Μελέτη επί των γενικευμένων πινάκων και εφαρμογές.” 2003. Thesis, National and Kapodistrian University of Athens; Εθνικό και Καποδιστριακό Πανεπιστήμιο Αθηνών (ΕΚΠΑ). Accessed April 11, 2021. http://hdl.handle.net/10442/hedi/19651.

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

MLA Handbook (7th Edition):

Κόντε - Θρασυβουλίδου, Άννα. “Μελέτη επί των γενικευμένων πινάκων και εφαρμογές.” 2003. Web. 11 Apr 2021.

Vancouver:

Κόντε - Θρασυβουλίδου . Μελέτη επί των γενικευμένων πινάκων και εφαρμογές. [Internet] [Thesis]. National and Kapodistrian University of Athens; Εθνικό και Καποδιστριακό Πανεπιστήμιο Αθηνών (ΕΚΠΑ); 2003. [cited 2021 Apr 11]. Available from: http://hdl.handle.net/10442/hedi/19651.

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

Council of Science Editors:

Κόντε - Θρασυβουλίδου . Μελέτη επί των γενικευμένων πινάκων και εφαρμογές. [Thesis]. National and Kapodistrian University of Athens; Εθνικό και Καποδιστριακό Πανεπιστήμιο Αθηνών (ΕΚΠΑ); 2003. Available from: http://hdl.handle.net/10442/hedi/19651

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

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