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Skip to Search Results- 2Atai, Ali Asghar.
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- 2Chen, Jie
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Investigation on Conformal Planar High-Gain Antennas: Corrugated Antennas and Fabry-Pérot-Type Cavity Antennas
DownloadFall 2019
Honari Kalateh, Mohammad Mahdi
There are many applications such as radar, space, and satellite communication, which require antenna with high gain while maintaining low profile, planar structure, and low fabrication cost. In this thesis, two techniques are presented to design high-gain antennas with planar structures,...
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Investigation Using Polymer Additives to Mitigate Erosion in Multiphase Turbulent Pipe Flow
DownloadSpring 2019
Long chained polymers were evaluated for their impact on reducing pipe erosion during two-phase flow. The research study was compartmentalized into three categories. One of the components of this study investigated the erosion of different materials in an attempt to find a faster eroding...
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Investigations in Formation and Properties of Spray-Dried Microparticles using Monodisperse Spray Drying
DownloadSpring 2021
The scaling up of monodisperse spray drying and the formation and properties of several spray-dried particle systems are investigated in this thesis. First, gallium focused ion beam milling was used to manufacture multi-orifice plates installed in a vibrating orifice atomizer in order to increase...
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Spring 2016
A dual-fuel system is used to control HCCI combustion timing and load in a CFR engine. The systems steady-state response to iso-octane and n-heptane injected energy is investigated then a dynamic ARMAX model is found using system identification. This model is used to design a norm-optimal...
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Kinematically singular pre-stressed mechanisms as new semi-active variable stiffness springs for vibration isolation
DownloadFall 2010
Researchers have offered a variety of solutions for overcoming the old and challenging problem of undesired vibrations. The optimum vibration-control solution that can be a passive, semi-active or active solution, is chosen based on the desired level of vibration-control, the budget and the...
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Fall 2014
Canadian healthcare system is confronting some serious challenges. In addition to dealing with aging population with chronic health conditions, it faces the problems related to integration of information technology, uncoordinated care, and waste of valuable resources. There is also pressure on...
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Spring 2021
Cable shovels are mostly used as primary equipment in large-scale surface mining operations. A single unexpected component failure could cause unforeseen costly shutdowns, reduced productivity and may even pose a great danger to on-site personnel. The ideal maintenance strategy is to reveal...
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Fall 2014
An experimental facility was constructed in order to examine the feasibility of the coal bio-conversion under the application of confining pressure. The main purpose of this work was to investigate the effect of confining pressure on methane generation. Core-flooding experiments were conducted...