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Now showing items 31-40 of 63
Microwave-based Navigation Of Femtosatellites Using On-off Keying
(Aerospace Engineering, 2014-07-14)
The objective of this research is to validate that a custom-built microchip-scale satellite transmitting a signal modulated with a Pseudo Random Noise code using On-Off Keying, can be tracked. The weak GPS satellite signal ...
Modeling, Estimation, And Analysis Of Unresolved Space Object Tracking And Identification
(Aerospace Engineering, 2014-09-17)
The problem of orbit determination along with shape determination is significant. The orbit determination problem has been tackled for centuries by some of the greatest mathematicians and physicists. The issue of shape ...
Effect Of Warm Water Cooling For An Isolated Hybrid Liquid Cooled Server
(Mechanical Engineering, 2014-12)
Data center cooling strategies have changed overtime due to increases in power densities and ever increasing server cooling power requirement. Traditionally, most data centers adopt air cooling where the Computer Room Air ...
Computational Study Of Behavior Of Gas Absorption In Data Center Equipment And Its Effects On The Rate Of Corrosion/contamination
(Mechanical Engineering, 2014-12)
The reliability of the data center equipment is being compromised as the American Society of Heating, Refrigeration and Air Conditioning Engineers (ASHRAE) recommendable psychrometric limits are stretched outside the ...
Thermal Conduction And Heat Generation Phenomena In Li-ion Cells
(Mechanical Engineering, 2014-12)
Cylindrical lithium ion (Li-ion) cells have demonstrated high power density and energy capacity among other energy storage devices. Despite their already widespread use, the thermal transport properties of cylindrical ...
Electrowetting On Dielectric Digital Microfluidics For 3-dimensional Cell Culture And Chemical Screening
(Mechanical Engineering, 2014-12)
Microfluidic devices have allowed improved cell culture studies to be carried out by allowing greater spatiotemporal control over the cell environment while at the same time providing greater throughput, increased automation ...
Design And Fabrication Of Microfluidic Photoelectrochemical Reactors For Efficient Conversion Of Carbon Dioxide To Liquid Fuel
(Mechanical Engineering, 2014-12)
The world's energy demand is expected to increase dramatically over the next few decades. At the same time the availability of cheap fossil fuels is expected to decrease. In addition to the increase in energy cost, the use ...
Improving Ducting To Increase Cooling Performance Of High-end Web Servers Subjected To Signicant Thermal Shadowing -an Experimental And Computational Study
(Mechanical Engineering, 2014-12)
Ensuring that all the critical components like CPU's receive sufficient amount of flow as per their requirement is an vital importance in implementing air cooling for IT equipments. In addition to that the overall system ...
Experimental And Computational Study Of An IT Pod And Its Cooling System
(Mechanical Engineering, 2014-12)
Conventional data centers are extremely large buildings that have complex power distribution and cooling systems. These data centers employ relatively expensive cooling systems which are inefficient. These inefficiencies ...
Computational Flow Analysis Of A Flapping Micro-flyer Wing For Cycle-averaged Force Production
(Mechanical Engineering, 2014-12)
Human engineers have been trying long to mimic creations of nature for their own benefits. One such area of interest is the insect based micro flapping wing flyers for their wide employment in commercial as well as military ...