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Now showing items 3585-3604 of 9119
Experimental and theoretical investigation of saturated flow boiling of R410A refrigerant and nanoparticle laden lubricant mixtures in a smooth tube.
(2019-07-29)
In air conditioning systems, a small amount of lubricating oil inevitably leaves the compressor and circulates through the other components. This lubricant acts as a contaminant affecting heat transfer and pressure losses ...
Experimental Characterization of Battery Performance under Non-Uniform Temperature Gradient
(2023-07-27)
In order to ensure optimal performance of the batteries, a thermal management system (TMS) is suited in electric vehicles for the temperature control. However, due to the non-uniform heat generation of the large format ...
Experimental Characterization of the Temperature Dependence of the Piezoresistive Coefficients of Silicon
(2007-08-15)
In this work, the dependence of the silicon piezoresistive coefficients p11, p12, and p44 on temperature is investigated. Experimental calibration results for the piezoresistive coefficients of silicon as a function of ...
Experimental Evaluation of Immersion-Cooled Strategies for High-Powered Server Modules
(2012-07-19)
Cooling of server-level high-performance computing equipment is an ongoing challenge. Early approaches, based almost entirely on forced air cooling, resulted in unsustainably high energy usage in the air-conditioning units. ...
An Experimental Evaluation of the Delta Operator in Digital Control
(2010-07-19)
Interest in digital control systems has been on the rise over recent decades with the ever decreasing cost and increasing performance of microprocessors and the academic advancements in control theory. Although there are ...
Experimental Evaluation of the Static Strength and Ductility of Large Diameter Shear Studs in Composite Bridge Construction
(2013-04-19)
A number of bridges in the United States consist of steel girders with concrete decks attached via shear studs which will require replacement in the future. With a growing interest in rapid deck replacement for bridges ...
An Experimental Examination Of Children's Sleep Quality And Improvements Resulting From A Parent Education Intervention
(2007-08-15)
The role of sleep in neurobehavioral functioning has been extensively studied. Empirical evidence has shown that functions of learning, memory, and emotional regulation can be influenced by sleep. A large number of children ...
An Experimental Exploration of Low-Cost Sensor and Vehicle Model Solutions for Precision Ground Vehicle Navigation
(2015-12-08)
This thesis presents the use of a vehicle dynamic model (VDM) in conjunction with standard vehicle safety sensors to assist a low-cost Inertial Measurement Unit (IMU) and low-cost Global Positioning System (GPS) for fused ...
Experimental Exposure of Naive Alpacas to Different Genotypes of Bovine Viral Diarrhea Virus Isolated from Cattle and Alpacas
(2009-08-03)
Recent outbreaks of bovine viral diarrhea virus (BVDV) have involved alpacas and evidence demonstrates that alpacas can contract and propagate the virus. The objective of this research was to compare and characterize ...
An Experimental Investigation and a Multiscale Electro-thermo-mechanical Model of a Flat Pin High Power Electrical Connector
(2011-11-03)
Hybrid and electrical vehicles (HEV) are the next evolutionary step in automobile technology. However, the electrical systems which propel HEVs are fundamentally different from conventional technologies. Therefore, a few ...
An Experimental Investigation into the Wildland Fire Burning Characteristics of Loblolly Pine Straw
(2021-07-19)
Wildland fires present a threat to both the environment and to homes and businesses in the wildland urban interface. Understanding the behavior of wildland fires is crucial for developing informed risk management techniques, ...
Experimental Investigation of a Liquid Immersion Cooled Electronics Module using Two-Phase Heat Transfer for Thermal Management
(2015-09-25)
As society’s demand for constant connectivity to one another grows, both from an economic and social perspective, the requirements on high performance data centers throughout the world will as well. The expeditious transfer ...
Experimental Investigation of Bendable Heat Pipes
(2005-08-15)
Heat pipes are highly conductive heat transfer devices. They use the latent heat of the working fluid for efficient heat transfer over a very small temperature drop. They have been a subject of numerous studies since the ...
Experimental Investigation of Bent and Flattened Heat Pipes for Thermal Management of Defense and Aerospace Electronics
(2020-05-15)
Heat pipes are passive heat transport devices composed of a sturdy outer shell, a porous
wick material, and a hermetically sealed inner chamber filled with a working fluid. These devices
transfer heat energy from a ...
Experimental Investigation of Cavity Induced Two Phase Flow in Silicon Microchannels
(2006-12-15)
Modern developments in microelectronics manufacturing and architecture continue to lead to reductions in feature sizes on microprocessor chips. The demand for faster and more powerful systems has approached the limits of ...
An Experimental Investigation of Confined Cyclonic Flows and Ensuing Jet
(2021-05-03)
Confined cyclonic flows are being explored for their application in propulsion due to several advantages rendered by confined vortices which include, increased fuel residence time, turbulence, and propellant mixing, resulting ...
Experimental Investigation of Flow Boiling Characteristics of an Immersion Cooled Server Model
(2017-07-27)
The meteoric growth of global communication and networking infrastructure has resulted in demand for high-performance data centers. With the increase in power capacity of server electronics, thermal management of data ...
Experimental Investigation of Flow Boiling in Saw-Toothed Silicon Microchannels
(2018-07-20)
Modern-day microprocessors consist of over one billion integrated circuits on silicon chips as small as a human fingernail. Normal operation of this circuitry produces an enormous amount of heat on a very small footprint. ...
An Experimental Investigation of Liquid Metal MHPs
(2007-12-15)
The concept of heat pipes was introduced by R. S. Gaugler in 1940s and Cotter first introduced the idea of “micro” heat pipes in 1984. Cotter in his paper, defined the micro heat pipe as being one in which the mean curvature ...
An Experimental Investigation of Roll and Yaw Coupled Oscillations of a Delta Wing
(2011-05-03)
An experimental investigation was undertaken to study roll and yaw coupled oscillation of a delta wing. Results indicated that the oscillations started at a mean α = 29 for all cases. Beyond which the amplitude of oscillations ...