Browsing MS Theses - DO NOT EDIT by Title
Now showing items 380-399 of 665
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Impact of Layer Thickness of QFN Package Mounted Printed Circuit Boards During Drop Testing
(2015-12-17)In past studies, it was established that board level reliability of the packages depends mainly upon the design of the package and the soldering technology used for mounting the components. There are many methods to test ... -
Impact Of Louver Orientation On Air Flow Distribution And Thermal Management Of Data Centers
(Mechanical Engineering, 2013-03-20)Nowadays with the increasing use of technology, Traditional data centers are being replaced by the highly efficient Containerized or Modular Data centers. The cooling systems and constructional cost employed for Traditional ... -
IMPACT OF THERMAL AGING ON CRACK GROWTH BEHAVIOR OF LEAD FREE SOLDER INTERCONNECTS
(2018-05-24)Reliability assessment helps in better performance of electronic packages. This also helps electronic device manufacturing company as well as the users to evaluate the life of any device. The microstructure, mechanical ... -
Impact Of Viscoelastic Material Characterization Of PCB's On Thermomechanical Properties Of QFN Thick Package Under Thermal Cycling
(Mechanical Engineering, 2015)The QFN component package is a quad flat pack (QFP) with “no-leads”, where the electrical contact to the printed circuit board (PCB) is made through soldering of the lands underneath the package body rather than the ... -
IMPACT OF VISCOELASTIC PROPERTIES OF LOW LOSS PRINTED CIRCUIT BOARDS (PCBs) ON RELIABILITY OF WCSP PACKAGES UNDER DROP TEST
(2020-06-08)Reliability of electronic packages is a major concern as different failure modes are induced due to factors such as temperature loads, mechanical stresses, humidity, corrosion and so on. Finite element analysis (FEA) is ... -
Improving Air Cooling Efficiency Of 2OU High-end Web Server By Using Bigger Rack Level Fans And Controlling Flow Using Bimetallic Strips
(Mechanical Engineering, 2014-12)Due to the doubling of processing power ever so often, designing an efficient thermal management system for database centers is becoming more and more difficult. Two studies have been done, one on air cooling using bigger ... -
Improving Cooling Efficiency Of Servers By Replacing Smaller Chassis Enclosed Fans With Larger Rack-mount Fans
(Mechanical Engineering, 2014-03-12)As a common practice in the data center industry, chassis fans are used to direct air flow independent from neighboring servers. However, these fans are less efficient compared to larger rack level counterparts and also ... -
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 ... -
Improving Fracture Toughness Of Silicon Carbide Based Ceramics By Microstructure Tailoring
Ceramic materials are one of the most promising materials for wide variety of technical applications such as automotive, aerospace, medical, and other applications. They have very high strengths and high melting points ... -
Improving Receiver Station-keeping In Aerial Refueling By Formulating Tanker Motion As Disturbance
(Aerospace Engineering, 2010-03-03)During aerial refueling operations, the receiver aircraft should hold position within a “refueling box” to maintain the boom-receptacle connection while the tanker aircraft flies in a racetrack maneuver. Prior research ... -
Improving Scoliosis Rehabilitation
Scoliosis, a disease that mainly affects children, is a deformity of the spinal column in all three dimensions. Treatment for scoliosis aims at straightening the spine with minimal discomfort to the patient. Current ... -
IMPROVING THE IMPINGEMENT COLD PLATE THERMAL DESIGN USING NUMERICAL AND ANALYTICAL APPROACH
(2021-05-15)Conventional cooling methods for an IC chip uses heat spreader to transfer heat from the chip end of the spreader to the opposite end of the spreader which then uses air or water to remove heat and thereby maintaining the ... -
Inducing vibro-tactile sensation at mesoscale
(2018-12-18)Haptics, the feeling of touch, has primarily been used to provide a person a general sensation such as vibration using a joystick or cellphone. But haptics has gradually developed to a stage where it is investigated for ... -
INFLUENCE OF RELATIVE DENSITY AND MICROSTRUCTURAL ANISOTROPY ON THE GLOBAL ELASTIC PROPERTIES OF CELLULAR STRUCTURES
(2017-05-05)The favorable strength-to-weight ratio of cellular solids makes them ideal for structural applications. With the advent of additive manufacturing, the fabrication of complex cellular structures is becoming a reality. It ... -
Influence Of Variation In CPU Utilization On The Rack Level Fan Configuration As A Cooling Technique For High End Servers
(Mechanical Engineering, 2014-07-14)The data center industry has experienced significant growth over the past decade with the introduction and explosion of online banking, social networking and entertainment services. As a result, power consumption of such ... -
An Integration Of A Modern Flight Control System Design Technique Into A Conceptual Design Stability And Controls Tool, AeroMech
(Aerospace Engineering, 2010-11-01)The aircraft conceptual design (CD) phase is the most abstract, thus challenging phase of the entire aircraft design process. It is the responsibility of the CD engineer to identify and then to explore various aircraft ... -
Interaction Of Growing Cracks In Hydraulic Fracturing
(Mechanical Engineering, 2014-07-14)Recently, hydraulic fracturing has been utilized to extract natural gas and oil from low-permeability shale rocks. This technique has been studied in hundreds of papers. A deep understanding of the fracture network formation ... -
Interactive Analysis of General Beam Configurations using Finite Element Methods and JavaScript
(2016-12-07)Advancements in computer technology have contributed to the widespread practice of modelling and solving engineering problems through the use of specialized software. The wide use of engineering software comes with the ... -
INTERNAL PRESSURE RESPONSE OF A HUMAN HEAD SURROGATE MODEL SUBJECT TO VARIABLE IMPACT LOADING WITH FINITE ELEMENT ANALYSIS
(2021-12-21)Traumatic brain injury (TBI) from blunt impacts to the head is a major cause of brain disease and dysfunction for thousands of people every year. Each year in the United States approximately 1 million TBI cases occur causing ... -
Inverse Design Of Airfoils Using A Flexible Membrane Method
(Aerospace Engineering, 2011-03-03)The Modified Garabedian Mc-Fadden (MGM) method is used to inversely design airfoils. The Finite Difference Method (FDM) for Non-Uniform Grids was developed to discretize the MGM equation for numerical solving. The Finite ...