Browsing Department of Mechanical and Aerospace Engineering by Title
Now showing items 593-612 of 916
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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 ... -
MODELING, FABRICATION, AND CHARACTERIZATION OF POROUS INCONEL 718 STRUCTURES USING SELECTIVE LASER MELTING PROCESS
(2020-06-08)Bio-inspired cellular structures are of great interest these days for many applications, from engineering research to industries. Honeycomb, Body-Centered Cubic with/without Z-struts (BCC-Z/ BCC), ... -
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 ... -
Molecular dynamics (MD) thermal simulations of molecular bridging across the cathode-separator interface in Li-ion cell
(2019-08-15)While Li-ion cells show outstanding electrochemical performance, their poor thermal transport characteristics results in reduced performance as well as significant safety concerns. The heterogeneous interface between cathode ... -
MOLECULAR LEVEL MECHANICAL PROPERTIES OF ULTRA HIGH TEMPERATURE CERAMICS AND THEIR NANOCOMPOSITES
(2020-08-19)Ultra High-Temperature Ceramics (UHTC) have been of great interest in the spacecraft, aerospace, and aeronautic industry due to their high melting point and their potential application as a protective material for the ... -
Monitoring Calcification in Rigid Wet Cooling Media Used in Direct Evaporative Cooling of Data Centers.
Rigid wet cooling media is a key component of direct and indirect evaporative cooling systems. Evaporation is the process of a substance in a liquid state changing to a gaseous state. When water evaporates only H2O molecules ... -
Moving Obstacle Detection And Avoidance For Unmanned Ground Vehicle
(Mechanical Engineering, 2014-12)This thesis presents the development and implementation of an autonomous obstacle avoidance algorithm for UGV (Unmanned Ground Vehicle). The research improves the prior work by enhancing the obstacle avoidance capability ... -
Multi Objective Optimization Of Graphite Heat Spreader For Portable Systems Application
(Mechanical Engineering, 2010-03-03)The advancement made in portable electronic systems has primarily been due to miniaturization of electronic systems. This in turn leads to an increase in power density which leads to higher temperatures and formation of ... -
Multi Objective Thermal And Energy Based Design Optimization Of Telecommunication Cabinets/shelters
(Mechanical Engineering, 2011-03-03)The miniaturization and convergence of the consumer electronic products such as cell phones and digital cameras has necessitated an increase in the number of transistors on a die, board and systems. This has resulted in a ... -
Multi-mesh reduced-order basis method for finite element analysis
(2017-08-16)Reduced order modeling of differential equations parametrized over a parameter space can be used to accelerate optimization and parameter estimation problems. The method of snapshots or reduced order basis is well established ... -
MULTI-OBJECTIVE AERO/MECHANICAL DESIGN OPTIMIZATION OF GP TURBINE BLADES PLATFORM CONTOUR USING ADJOINT SOLVER AND IMPACT ON SECONDARY LOSSES
(2022-08-16)Gas Turbines Hot Gas Path components represent the major contribution to generating power in Gas Turbines They are the components that mainly extract power from hot gasses that come out of the combustion Chamber (Combustor). ... -
Multi-objective Design Optimization Of BEol/fBEol Region During Chip Attachment To Substrate
(Mechanical Engineering, 2014-03-12)Semiconductor industry has recognized the need to replace traditional Al/SiO2 interconnects with Cu/Low-k interconnects in the mainstream electronics devices following the latter's impact on power, RC delay, and cross-talk ... -
Multi-Parametric and Multi-Objective Optimization of Heatsinks for Forced and Natural Convection Based Single-Phase Immersion Cooling of Server
(2021-12-21)An increase in utility of internet-based services, cloud computing and greater performance demands due to rising AI and ML applications have led to a steep growth in GPU and CPU thermal design power. Efficient thermal ... -
MULTI-PHYSICS DESIGN OPTIMIZATION OF 2D AND ADVANCED HETEROGENOUS 3D INTEGRATED CIRCUITS
(2018-08-27)The convergence and miniaturization of computing and communications dictate building up rather than out. As planar device miniaturization continues to its ultimate limits, the complexity of circuit interconnections for 2-D ... -
Multi-sensor Fusion Based Control For Autonomous Operations: Rendezvous And Docking Of Spacecraft
(Aerospace Engineering, 2007-08-23)The project considers the problem of motion synchronization of free flying robotic spacecraft and serviceable floating objects in space. The synchronization maneuvers are based on sample and hold nonlinear translational ... -
Multi-variable Design Optimization Of A Contemporary Cold Plate For A Fixed Pumping Power For Minimizing The Thermal Resistance
(Mechanical Engineering, 2014-07-14)Due to reliability concerns, thermal management of microprocessors has and continues to become a major challenge in electronic packaging. High circuit densities in modern integrated circuit semiconductor devices require ... -
Multi-variable Optimization to Improve Temperature Uniformity in Burn-in Applications Subjected to Significant Thermal Shadowing
(2019-08-08)Burn-in test typically employs voltage and/or temperature to accelerate the appearance of latent reliability defects in semiconductor devices. As a result, burn-in becomes a critical step in the parts screening process and ... -
Multiphase flow modeling and analysis of filling process for pulsed detonation engines
(2015-05)The filling process of a pulsed detonation engine with fuel and oxidizer should be carried out quickly in order to maintain a high frequency of operation. The objectives of this research were to model an efficient inlet ... -
MULTIPHASE FLOW MODELING AND ANALYSIS OF PHASED FILLING PROCESS FOR PULSED DETONATION ENGINE
(2018-01-04)Filling of reactants into a pulsed detonation engine (PDE) should be carried out quickly because any lengthening of the fill time will lead to an increased cycle time. The fill process and, the purge process constitutes a ... -
Multiscale Modeling Of Targeted Drug Delivery And DIEP Flap Perfusion
(Mechanical Engineering, 2010-07-19)Advances in computational techniques have changed diagnosis and treatment of chronic diseases. This thesis work is composed of developing computational models in two application areas: nanomedicine and determining DIEP ...