• Improving the refrigeration and gas liquefaction performance of Gifford-McMahon and active magnetic regenerative cryocoolers: a study of flow maldistribution, unbalance, and asymmetry 

  Spearing, Ian Gregory (2018-08-03)

  Cost-effective liquefaction of gases at cryogenic temperatures requires a combined approach of designing efficient refrigeration cycles to generate cooling capacity and designing efficient liquefaction processes to utilize ...
• Dynamics of geometrically nonlinear sliding beams 

  Behdinan, Kamran (2018-07-31)

  The elasto-dynamics of flexible frame structures is of interest in many areas of engineering. In certain structural systems the deflections can be large enough to warrant a nonlinear analysis. For example, offshore structures, ...
• Formation and characteristics of sprays from annular viscous liquid jet breakup 

  Shen, Jihua (2018-07-26)

  The formation process and characteristics of sprays from annular liquid jet breakup in moving gas streams have been investigated. In the first part of the thesis, a linear instability analysis is carried out for the ...
• Unmanned aerial vehicle-based non-destructive testing methods for concrete structures 

  Blaney, Sean (Elsevier; Cement and Concrete Composites, 2018-09)

  In this work, unmanned aerial vehicle-based non-destructive testing methods for concrete structures are evaluated and developed. There exists a need for improved infrastructure inspection techniques with increased expediency. ...
• An approach to generate geometric models from multiple range images 

  Yao, Helai (2018-07-19)

  The research described in this dissertation focuses on the development of a new approach for the generation of geometric models from multiple-view range image data. Through intensive comparison and evaluation of different ...
• Dynamics analysis of flexible-link cooperating manipulators 

  Sun, Qiao (2018-07-19)

  Cooperative operation of multiple manipulators has been increasingly used in industrial automation, outer space and hazardous terrestrial applications. Moreover, the requirement for increased speeds of operation and ...
• Analysis of +Gz acceleration induced stresses in the human ventricle myocardium 

  Moore, James Ernest (2018-07-12)

  It is well known that physiological problems occur when pilots are subjected to moderate-to-high +Gz accelerations. The goal of this research is to develop a quantitative model that provides additional insight into the ...
• Dynamics of a flexible extendible beam 

  Stylianou, Marinos Costa (2018-07-05)

  Axially-moving materials arise in problems associated with spacecraft antennas, pipes conveying fluid and telescopic robotic manipulators. Flexible extendible beams are a special class of axially-moving materials, in which ...
• Numerically controlled machining from three dimensional machine vision data 

  Bradley, Colin (2018-07-03)

  Prototyping is an essential step in the manufacture of many objects, both consumer and industrial. A fundamental step in this process is the definition of the three dimensional form of the object shape; for example, a ...
• Defect characterization in 4% cadmium zinc telluride semiconductors 

  Penkova, Silvia I. (2018-06-27)

  This thesis presents a characterization study of Cadmium Zinc Telluride with a 4% Zinc molar concentration using five different techniques. Three of the characterization methods – X-ray diffraction (XRD), transmission ...
• Adaptive control of NTV plants without persistent excitations: an application in robotics 

  Yuan, Jing (2018-06-26)

  Adaptive control of a nonlinear time varying (NTV) plant, such as a robotic manipulator, is intended to tolerate the unmodeled disturbances and the uncertain parameters of the dynamic model. Most of the previous research ...
• Development, optimization and implementation of the design for a centrifugal reverse-osmosis desalination system 

  Wild, Peter Martin (2018-06-19)

  A new method of sea water desalination, Centrifugal Reverse-Osmosis (CRO), is developed from concept to patented design and functional prototype of capacity 11,355 litres of fresh water per day. CRO is shown to have ...
• System optimization and performance enhancement of active magnetic regenerators 

  Teyber, Reed (2018-06-13)

  Energy conversion devices using solid-state magnetocaloric materials have the potential to reduce energy consumption and mitigate environmental pollutants. To overcome the limited magnetic entropy change of magnetocaloric ...
• Techno-economic feasibility study of a photovoltaic-equipped plug-in electric vehicle public parking lot with coordinated charging 

  Ivanova, Alyona (2018-05-31)

  In the effort to reduce the release of harmful gases associated with the transportation sector, Plug-in Electric Vehicles (PEV) have been deployed on the account of zero-tail pipe emissions. With electrification of transport ...
• Impact of extensive green roofs on energy performance of school buildings in four North American climates 

  Mahmoodzadeh, Milad (2018-05-31)

  Buildings are one of the major consumers of energy and make up a considerable portion in the generation of greenhouse gases. Green roofs are regarded as an appropriate strategy to reduce the heating and cooling loads in ...
• An intelligent energy allocation method for hybrid energy storage systems for electrified vehicles 

  Zhang, Xing (2018-05-31)

  Electrified vehicles (EVs) with a large electric energy storage system (ESS), including Plug-in Hybrid Electric Vehicles (PHEVs) and Pure Electric Vehicles (PEVs), provide a promising solution to utilize clean grid energy ...
• The exergy of thermal radiation and its relevance in solar energy conversion 

  Wright, Sean (2018-05-02)

  Driven by the importance of optimizing energy systems and technologies, the field of exergy analysis was developed to better illuminate process inefficiencies and evaluate performance. Exergy analysis provides important ...
• Integrating surrogate modeling to improve DIRECT, DE and BA global optimization algorithms for computationally intensive problems 

  Saad, Abdulbaset Elha (2018-05-02)

  Rapid advances of computer modeling and simulation tools and computing hardware have turned Model Based Design (MBD) a more viable technology. However, using a computationally intensive, “black-box” form MBD software tool ...
• Durability evaluation of cement-based repair materials used for corrosion-damaged steel-reinforced concrete structures 

  Wang, Boyu (1st International Conference on New Horizons in Green Civil Engineering (NHICE), 2018-04-27)

  Concrete repair materials are being widely used to restore and extend the service life of structures. While most cement-based repair materials are compatible with concrete structures, their durability properties do not ...
• Development of a drug-eluting 3D bioprinted mesh (GlioMesh) for treatment of glioblastoma multiforme 

  Hosseinzadeh, Reihaneh (2018-04-30)

  Glioblastoma multiforme (GBM) is among the most aggressive and mortal cancers of the central nervous system. Maximal safe surgical resection, followed by radiotherapy accompanied with chemotherapy is the standard of care ...

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