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Experimental and Analytical Investigation of Early Frost Growth on Surfaces with Varying Wettability under Typical Heat Pump Operating Conditions
(2021-04-14)
Frost formation on the fins of the outdoor evaporators of heat pump systems during winter months is a naturally occurring phenomenon with adverse effects on heat pump operation. The frost impedes heat transfer by adding ...
Experimental and theoretical characterization of thermal behavior of large format pouch type lithium-ion battery
(2021-04-20)
Fundamental understanding of the heat generation process of lithium-ion batteries during operations is crucial for securing lifespan and safety by the cost-effective and efficient design of thermal management systems. Heat ...
The Tribological and Electrical Effects of Nanoparticle and Proprietary Lubricants
(2021-04-12)
Electrical systems of any type rely upon electrical connectors or contacts; these may be found in places like computers, light switches, or electric vehicles and are present in a wide range of environments as a result. ...
Thermal-Mechanical Characterization and Microstructural Evolution of Lead Free Solder Alloys in Harsh Environment Applications
(2021-04-27)
With the emergence of the modern electronic packaging technology over the last few decades, lead free solder alloys have been the primary interconnects material used in electronic packaging industry due to their relatively ...
Study of the Mechanical Behavior of Lead-free Solder Joints and Its Individual Phases under Various Harsh Environments
(2021-04-27)
Solder joints provide mechanical support, electrical and thermal interconnection between packaging levels in microelectronics assembly systems. Proper functioning of these interconnections and the reliability of the ...
Detection of GNSS Faults Using Receiver Clock Drift Estimates
(2021-05-25)
GNSS based navigation systems are used in almost every sector, from industrial and agricultural environments to everyday applications such as personal navigation or autonomous vehicles. Satellite navigation provides accurate ...
Design, Simulation, and Precision Manufacturing of Flexible-Backing, Morphing Composite Metamaterials that Lock Suddenly in Global Bending
(2021-04-30)
Few composite structures, let alone single materials, are known that undergo sudden but reversible stiffening at a pre-engineered strain profile, especially in global bending. This research builds upon this author’s previous ...
Design and Analysis of Acoustic Metamaterials in Order to Isolate Microelectromechanical Systems Devices from High Frequency Acoustic Noise
(2021-07-30)
The effects of high frequency acoustic noise can be rather damaging to Microelectromechanical Systems (MEMS) devices. The use of MEMS devices is widespread; therefore, some operational environments for MEMS devices can ...
Evaluation of Cooperative Navigation Strategies with Maneuvering UAVs
(2021-07-27)
This thesis presents and evaluates cooperative navigation methods used to reduce navigation solution error growth between members of an unmanned aerial vehicle - unmanned ground vehicle (UAV-UGV) or all-UAV team when Global ...
Utilizing Hidden Markov Models to Classify Maneuvers and Improve Estimates of an Unmanned Aerial Vehicle During High Dynamic Flight
(2021-07-28)
Unmanned Aerial Vehicles (UAVs) are an increasing presence around the world; however, they can pose a threat to secure facilities. Many UAV mitigation techniques require accurate knowledge of UAV states to successfully ...