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University of Guelph

1. Jigmeddorj, Badamsambuu. Nuclear Structure Study of Cd-110 through Internal Conversion Electrons.

Degree: MS, Department of Physics, 2012, University of Guelph

For many years, Cd-110 has been considered the classic example of a vibrational nucleus within both the Collective Model and the Interacting Boson Model (IBM). As a vibrational nucleus, Cd-110 exhibits multi-phonon states. Recent studies on other cadmium isotopes have shown a breakdown of vibrational motion at the three-phonon level. The latest study on Cd-112 suggests that some of these excitations may instead result from intruder bands. The study through internal conversion electrons is important to investigate intruder structures in Cd-110, using the enhanced E0 transitions between intruder states and spherical phonon states as a signature. The nuclear structure of Cd-110 has been studied with In-110 beta decay through internal conversion electrons performed at TRIUMF using the 8pi spectrometer. The level scheme of Cd-110 through internal conversion electron transitions was constructed using the electron-gamma coincidence matrix. The sub-shell ratios and multipolarities are determined and compared with the evaluated data set. The absolute internal conversion coefficients for some mixed transitions were determined using an internal calibration efficiency for Si(Li) detector and relative efficiency for HPGe detector. The 396 keV and 708 keV E0 transitions have been observed between intruder and spherical phonon states. The E0 transition strength of 0.115(71) was determined for 708.21 keV line. Advisors/Committee Members: Garrett, Paul (advisor).

Subjects/Keywords: Collective model; Cd-110; phonon states; E0-transition; Conversion electron; Conversion coefficient

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APA (6th Edition):

Jigmeddorj, B. (2012). Nuclear Structure Study of Cd-110 through Internal Conversion Electrons. (Masters Thesis). University of Guelph. Retrieved from https://atrium.lib.uoguelph.ca/xmlui/handle/10214/3873

Chicago Manual of Style (16th Edition):

Jigmeddorj, Badamsambuu. “Nuclear Structure Study of Cd-110 through Internal Conversion Electrons.” 2012. Masters Thesis, University of Guelph. Accessed April 12, 2021. https://atrium.lib.uoguelph.ca/xmlui/handle/10214/3873.

MLA Handbook (7th Edition):

Jigmeddorj, Badamsambuu. “Nuclear Structure Study of Cd-110 through Internal Conversion Electrons.” 2012. Web. 12 Apr 2021.

Vancouver:

Jigmeddorj B. Nuclear Structure Study of Cd-110 through Internal Conversion Electrons. [Internet] [Masters thesis]. University of Guelph; 2012. [cited 2021 Apr 12]. Available from: https://atrium.lib.uoguelph.ca/xmlui/handle/10214/3873.

Council of Science Editors:

Jigmeddorj B. Nuclear Structure Study of Cd-110 through Internal Conversion Electrons. [Masters Thesis]. University of Guelph; 2012. Available from: https://atrium.lib.uoguelph.ca/xmlui/handle/10214/3873


Brigham Young University

2. Luke, Mark Elden. Predicting Drag Polars For Micro Air Vehicles.

Degree: MS, 2003, Brigham Young University

Drag polars for three Micro Air Vehicles (MAVs) were measured at Reynolds numbers of 70,000, 50,000, 30,000, and 10,000 and compared to predictions generated using the classical approach. The MAVs tested had different configurations and aspect ratios varying from 1.2 to 1.6 and ratios of wetted surface area to planform area from 2.6 to 3.9. A force balance was used to measure the lift and drag on the MAVs at angles of attack ranging from -5 degrees (or -10 degrees) to 10 degrees. The force balance allowed the MAVs to rotate in the pitching axis. The MAV angle of attack was set using an elevator installed on the MAV and controlled using a standard radio control used by RC plane enthusiasts. Uncertainty analysis performed on the data showed the uncertainty for high Reynolds numbers was dominated by velocity uncertainty, and uncertainty for the lower Reynolds numbers was dominated by uncertainty in the force measurements. Agreement between measured and predicted drag polars was good with the measured drag never being more than two times the predicted drag. For the majority of the tests, the drag coefficients followed the expected Reynolds number trend: increasing with decreasing Reynolds number.

Subjects/Keywords: Micro Air Vehicle; MAV; low Reynolds number; drag polar; predicted vs. measured; wind tunnel; force balance; Cfe; equivalent skin friction coefficient; e0; oswald efficiency; CL; minD; lift coefficient; drag coefficient; drag polar prediction; angle of attack; wetted surface area ratio; wing loading; aspect ratio; parasite drag coefficient; drag due to lift; aerodynamics; Mechanical Engineering

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APA (6th Edition):

Luke, M. E. (2003). Predicting Drag Polars For Micro Air Vehicles. (Masters Thesis). Brigham Young University. Retrieved from https://scholarsarchive.byu.edu/cgi/viewcontent.cgi?article=1107&context=etd

Chicago Manual of Style (16th Edition):

Luke, Mark Elden. “Predicting Drag Polars For Micro Air Vehicles.” 2003. Masters Thesis, Brigham Young University. Accessed April 12, 2021. https://scholarsarchive.byu.edu/cgi/viewcontent.cgi?article=1107&context=etd.

MLA Handbook (7th Edition):

Luke, Mark Elden. “Predicting Drag Polars For Micro Air Vehicles.” 2003. Web. 12 Apr 2021.

Vancouver:

Luke ME. Predicting Drag Polars For Micro Air Vehicles. [Internet] [Masters thesis]. Brigham Young University; 2003. [cited 2021 Apr 12]. Available from: https://scholarsarchive.byu.edu/cgi/viewcontent.cgi?article=1107&context=etd.

Council of Science Editors:

Luke ME. Predicting Drag Polars For Micro Air Vehicles. [Masters Thesis]. Brigham Young University; 2003. Available from: https://scholarsarchive.byu.edu/cgi/viewcontent.cgi?article=1107&context=etd

3. Mireault, Phillip. Methodology of Measuring Particulate Matter Emissions from a Gasoline Direct Injection Engine.

Degree: 2014, University of Toronto

A gasoline direct injection engine was set-up to operate with a dynamometer in a test cell. Test cycle and emissions measurement procedures were developed for evaluating the regulated and non-regulated gaseous emissions. Equipment and techniques for particulate matter measurements were adapted for use with the gasoline direct injection engine. The particulate matter emissions produced by the engine were compared between two different fuels; gasoline and E10 (10% ethanol and 90% gasoline). The gaseous emissions generated by the engine when it was run on gasoline and E30 (30% ethanol and 70% gasoline) were also compared. Particle number decreased with E10 for hot start conditions, while the opposite was observed for cold start conditions. Particulate matter emissions were found to track with acetylene and ethylene emissions.

MAST

Advisors/Committee Members: Wallace, James, Mechanical and Industrial Engineering.

Subjects/Keywords: gasoline direct injection; particulate matter; ethanol; emissions; spark ignition; direct injection; GDI; SIDI; gasoline engine; E10; E0; E30; 0548

…104 8.3 Molar Concentration of Exhaust Products from Ideal Stoichiometric Combustion of E0… …49 5.1 Dekati Diluter Condensation Issues, SMPS Size Scans at Highway Cruise using E0… …70 7.1 Example of a Cold Start Test Instantaneous PN and Size Distribution using E0 as… …E0 as Measured by the EEPS… …88 xi 7.7 Comparison Between E0 and E10 Average Cumulative Size Distribution of… 

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

APA (6th Edition):

Mireault, P. (2014). Methodology of Measuring Particulate Matter Emissions from a Gasoline Direct Injection Engine. (Masters Thesis). University of Toronto. Retrieved from http://hdl.handle.net/1807/44046

Chicago Manual of Style (16th Edition):

Mireault, Phillip. “Methodology of Measuring Particulate Matter Emissions from a Gasoline Direct Injection Engine.” 2014. Masters Thesis, University of Toronto. Accessed April 12, 2021. http://hdl.handle.net/1807/44046.

MLA Handbook (7th Edition):

Mireault, Phillip. “Methodology of Measuring Particulate Matter Emissions from a Gasoline Direct Injection Engine.” 2014. Web. 12 Apr 2021.

Vancouver:

Mireault P. Methodology of Measuring Particulate Matter Emissions from a Gasoline Direct Injection Engine. [Internet] [Masters thesis]. University of Toronto; 2014. [cited 2021 Apr 12]. Available from: http://hdl.handle.net/1807/44046.

Council of Science Editors:

Mireault P. Methodology of Measuring Particulate Matter Emissions from a Gasoline Direct Injection Engine. [Masters Thesis]. University of Toronto; 2014. Available from: http://hdl.handle.net/1807/44046

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