Browsing Theses and Dissertations(library) by Title
Now showing items 2312-2331 of 6459
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EXPERIMENTAL ANALYSIS OF A SINGLE-PHASE DIRECT LIQUID COOLED SERVER PERFORMANCE AT EXTREMELY LOW TEMPERATURES FOR EXTENDED TIME PERIODS
(2018-05-26)A data center is a centralized facility that we use for housing the computer systems and its related components such as high-end servers, redundant data connection and security controls. The next radical change in the ... -
EXPERIMENTAL ANALYSIS OF THE EFFECTS OF SINGLE-PHASE IMMERSION COOLING OF OPTICAL INTERCONNECTS ON MECHANICAL PROPERTIES OF ACTIVE OPTICAL CABLES
(2018-06-12)Active optical cables (AOC) are being increasingly adopted for data communication and storage, networking, and high-performance computing (HPC) applications. However, their ability to meet higher data-rate requirements ... -
EXPERIMENTAL ANALYSIS VALIDATING A CONTROL SCHEME TO DEVELOP A DYNAMIC COOLING SOLUTION FOR NON-UNIFORM HIGH POWERED ELECTRONIC DEVICES IN DATA CENTER
(2015-12-09)The trend towards higher heat fluxes and non-uniform power distribution continues as we follow Moore’s law with technology nodes now approaching 10nm. Cooling is always designed for maximum junction temperature and as such ... -
EXPERIMENTAL AND 3D FINITE ELEMENT ANALYSES OF INVERT-REMOVED CIRCULAR CORRUGATED METAL PIPE CULVERTS RENEWED WITH POLYMER SPRAY-APPLIED PIPE LINING
(2020-06-08)Corrugated metal pipes (CMPs) are one of the widely used culvert structures in the American highway system. Compared to other types of culverts, CMPs have shorter design life, and many CMP culverts have reached or exceeded ... -
Experimental and analytical study of a self-regulated Flow Control Device developed for dynamic cold-plates to cool high-power density multi-chip modules
(2019-11-21)Modern high-power density modules often demand high amounts of power be invested in their cooling processes. Uneven heating at the chip level creates hotspots and temperature gradients across the module. A very effective ... -
EXPERIMENTAL AND COMPUTATIONAL BOARD LEVEL RELIABILITY ASSESSMENT OF THICK BOARD QFN ASSEMBLIES UNDER POWER CYCLING
(2016-05-11)Quad Flat No-Lead Package (QFN) is one of the latest cutting edge technologies that took the industry by storm due to its excellent electrical and thermal performance, compact size and low cost. Due to its compact size, ... -
EXPERIMENTAL AND COMPUTATIONAL INVESTIGATION OF THE NEED FOR AN ACCLIMATION FOR OPERATING IT EQUIPMENT
(2017-05-22)Acclimation of IT equipment is not only for newly commissioned equipment but are also for the equipment that is already in use. In conventional Data Center, IT Equipment are cooled by traditional cooling methods, but due ... -
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 ... -
EXPERIMENTAL AND COMPUTATIONAL STUDY OF MULTI-LEVEL COOLING SYSTEMS AT ELEVATED COOLANT TEMPERATURES IN DATA CENTERS
(2017-07-20)Data centers house a variety of compute, storage, network IT hardware where equipment reliability is of utmost importance. Heat generated by the IT equipment can substantially reduce its service life if T_(J,Max), maximum ... -
EXPERIMENTAL AND COMPUTATIONAL STUDY OF THE ACCLIMATION OF NEW IT EQUIPMENT
(2017-05-22)Acclimation of newly commissioned IT equipment is an important step that is necessary for safe operations. Proper acclimation is required to prevent an unnecessary condensation from forming and causing premature failure ... -
Experimental And Computatonal Analysis Of The Effect Of PCB Layer Copper Thickness And Prepreg Layer Stiffness On Solder Joint Reliability
The emphasis of this study is to find out how the solder joints of the BGA package are affected with change in the stack up PCB layer copper thickness and the prepeg layer stiffness. In general the effect of the PCB layer ... -
Experimental And Field Monitoring Studies On Recycled Materials As Pavement Bases
(Civil & Environmental Engineering, 2008-04-22)Natural aggregates derived from a variety of source rocks have been used as a road base material. But the extraction of natural aggregates resources is increasingly being constrained by urbanization, increased costs and ... -
Experimental And Finite Element Based Investigations Of Shear Behavior In Reinforced Concrete Box Culverts
(Civil & Environmental Engineering, 2007-10-08)This study evaluates the shear behavior and capacity of the precast concrete box culverts subjected to HS 20 truck wheel load. The most critical culvert behavior was considered by studying culverts subjected to zero depth ... -
EXPERIMENTAL AND NUMERICAL ANALYSES OF COUPLED THERMO-HYDRO-MECHANICAL BEHAVIOR IN UNSATURATED SOIL UNDER ONE-DIMENSIONAL HEAT TRANSFER
(2024-01-19)**Please note that the full text is embargoed until 08/01/2024** Comprehension of the behavior of unsaturated soil in response to thermal gradients, moisture gradients, and deformation is important in geotechnics. Thermal ... -
EXPERIMENTAL AND NUMERICAL INVESTIGATION OF HEAT TRANSFER IN BATTERY PACK OF A HOVERBOARD
(2018-05-14)Li-ion cells are used for energy storage and conversion in electric vehicles and a variety of consumer devices such as hoverboards. Performance and safety of such devices is severely affected by overheating of Li-ion cells ... -
Experimental And Numerical Investigation Of Mass Transfer In Microreactors
(Mechanical Engineering, 2012-07-25)In this work, two types of microreactors for reactions have been studied, which were involving multiple fluid phases: liquid-liquid (immiscible liquids) phase and gas-liquid phase. Investigation of mass transfer within ... -
Experimental and Numerical Investigation of the Concrete Shear Strength of Reinforced Concrete Box Culverts under Uniformly Distributed Load
(2018-07-18)This research resulted in the development of a new method for performing displacement control analysis of distributed loads to obtain the ultimate shear strength of structural components. A framework, consisting of several ... -
Experimental And Numerical Investigation Of Transesterification Of Vegetable Oil With A Continuous Flow Capillary Reactor
(Mechanical Engineering, 2011-10-11)Biodiesel, Fatty Acid Methyl Ester (FAME), is a renewable fuel that is a promising alternative to fossil fuels in the future. Biodiesel not only has similar properties to diesel derived from fossil fuel, but it also provides ... -
Experimental and Numerical study of heat transfer phenomenon in a Micro droplet reactor
(2016-12-09)Temperature is an important control parameter during chemical reaction process. Micro reactors have attracted much attention due to its capability of excellent heat and mass transfer, fast reaction, and inherent safety of ... -
EXPERIMENTAL AND NUMERICAL STUDY OF MARANGONI CONVECTION IN A SANDWICHED DROPLET
(2016-05-10)This research studies velocity fields resulted from the marangoni effect in a microscale droplet sandwiched in parallel plates. Surface tension becomes the dominant driving force as opposed to body forces as we move from ...