Browsing Department of Mechanical and Aerospace Engineering by Issue Date
Now showing items 1-20 of 916
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Development Of Computational Fluid Dynamics (CFD) Based Erosion Models For Oil And Gas Industry Applications
(Mechanical Engineering, 2013)Erosion prediction plays a critical role in different oil and gas industry segments including drill bit manufacturing, measurement & logging while drilling (M&LWD), and reservoir engineering/completions tools. Recently, ... -
Self-propulsion of Leidenfrost Drops between Non-Parallel Structures
(Springer NatureDepartment of Mechanical and Aerospace Engineering, The University of Texas at Arlington, 20 Septemb)In this work, we explored self-propulsion of a Leidenfrost drop between non-parallel structures. A theoretical model was first developed to determine conditions for liquid drops to start moving away from the corner of two ... -
Thermal Enhancement Of Stacked Dies Using Thermal Vias
(Mechanical Engineering, 2007-08-23)Following Moore's law, the number of transistors on a die continues to rise and has recently exceeded a billion on high end processors. In light of the convergence of technology, power requirements is becoming a serious ... -
Development Of Three Block Thermal Compact Model And Verification Of Modified Linear Superposition Technique For Stacked Die
(Mechanical Engineering, 2007-08-23)Over the last few years an impressive amount of progress has been achieved in the field of compact modeling of chip packages. But available compact modeling methods could not address the issue of limitation on the mesh ... -
Investigation Of Pool Boiling Heat Transfer With Nanofluids
(Mechanical Engineering, 2007-08-23)This investigation conducts pool boiling experiments under saturated conditions (Tsat=60°C) using nanofluids as coolants. Four different nanofluids were tested including zinc oxide (ZnO)-water, aluminum oxide (Al2O3)-water, ... -
Modular Multi-scale Assembly System For MEMS Packaging
(Mechanical Engineering, 2007-08-23)A multi-scale robotic assembly problem is approached here with focus on mechanical design for precision positioning at the microscale. The assembly system is characterized in terms of accuracy/repeatability and calibration ... -
Optimization Of The Tool Path In A Robotic Environment
(Mechanical Engineering, 2007-08-23)The rising costs and demand coupled with shrinking energy generating resources has triggered the need for optimum use of energy resources, minimizing the overhead costs and maximizing the profits. Robots have been long ... -
Effect Of CRAC Location On A Fixed Rack Layout Of A Data Center
(Mechanical Engineering, 2007-08-23)Microprocessor driven escalation of thermal management needs has resulted in significant cooling challenges at the data center facility level, which can house thousands and tens of thousands of heat producing processors. ... -
Design And Optimization Of Heat Spreaders And Selection Of Fan In Laptop
(Mechanical Engineering, 2007-08-23)Technical advancements lead to the need for faster processors and reduced sizes in electronic systems. The urge for faster and compact systems leads to two major problems. Firstly over heating of chips which degrade the ... -
Numerical Study Of Chemically Reacting Viscous Flow Relevant To Pulsed Detonation Engines
(Aerospace Engineering, 2007-08-23)A computational fluid dynamics code for two-dimensional, multi-species, laminar Navier-Stokes equations is developed to simulate a recently proposed engine concept for a pulsed detonation based propulsion system and to ... -
Design And Implementation Of A Feedback Linearizing Controller And Kalman Filter For A Magnetic Levitation System
(Mechanical Engineering, 2007-08-23)The principal investigation undertaken in this research is the development and subsequent implementation of a feedback linearizing nonlinear controller and extended Kalman filter for a laboratory-based Magnetic Levitation ... -
Freezing-induced Microstructural Changes Of Collagen Scaffolds
(Mechanical Engineering, 2007-08-23)Understanding the effects of freezing on the functional properties of tissues is critical to cryopreservation of native and artificial tissues, and prognosis after cryotherapies. Although investigations have been performed ... -
Computer-aided Patient Specific Treatment Planning Of Cryosurgery For Breast Cancer
(Mechanical Engineering, 2007-08-23)Cryosurgery, which is to destroy tumors by use of localized freezing, is an emerging treatment modality for breast cancer as the size of detectable tumor becomes smaller due to more frequent use of various diagnostic imaging ... -
Experimental Characterization Of Femtosecond Laser Micromachining For Silicon Mold Fabrication And Hot Embossing For Polymer Microreplication
(Mechanical Engineering, 2007-08-23)Hot embossing is a fabrication technique employed for replicating microfeatures on a polymer surface that was primarily developed to fabricate MEMS devices for microfluidic applications. This manuscript deals with ... -
Analysis And Design Of A Piezoelectric Micro-actuator
(Mechanical Engineering, 2007-08-23)Micro-grippers are usually fabricated of silicon using traditional semiconductor manufacturing processes and actuated based on thermal energy input causing their temperature to substantially increase and render unsuitable ... -
Finite Element Modeling Of Carbon Nanotube Reinforced Polymer Composites And Evaluating Its Thermal Conductivities
(Mechanical Engineering, 2007-08-23)High thermal conductivity of carbon nanotubes has motivated us to study and understand the thermal mechanisms in nanocomposites. Though several theoretical models predict a high thermal conductivity for CNT reinforced ... -
An Evaluation Of Using Component Mode Synthesis For Structural Models
(Mechanical Engineering, 2007-08-23)Structural analysts have used component mode synthesis (CMS), also known as substructuring, for decades to divide large structural models into smaller, more manageable models, and to reduce the size of the associated ... -
Arc-heated Gas Flow Experiments For Hypersonic Propulsion Applications
(Aerospace Engineering, 2007-08-23)Although hydrogen is an attractive fuel for a hypersonic air-breathing vehicle in terms of reaction rate, flame temperature, and energy content per unit mass, the substantial tank volume required to store hydrogen imposes ... -
Autonomous And Cooperative Multi-UAV Guidance In Adversarial Environment
(Aerospace Engineering, 2007-08-23)The research presented in this dissertation is aimed at developing rule-based autonomous and cooperative guidance strategies for UAVs to perform missions such as path planning, target tracking and rendezvous while ... -
Polymer Tube Embedded In-plane Micropump: Design, Analysis And Fabrication
(Mechanical Engineering, 2007-08-23)This thesis presents the design, analysis, and fabrication of a novel polymer tube embedded in-plane micropump. The key component of the proposed micropump is a Parylene polymer tube that is embedded into the trench of a ...