Browsing Department of Mechanical and Aerospace Engineering by Title
Now showing items 890-909 of 916
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Towards the Fabrication of Bioresorbable Constructs with Customized Properties using Additive Manufacturing
(2017-12-08)Additive Manufacturing (AM) has been employed to fabricate medical constructs for over two decades. This dissertation investigates the effects of AM process parameters on raster level geometric features and structural ... -
Trajectory Generation And Constrained Control Of Quadrotors
(Aerospace Engineering, 2014-03-10)Unmanned Aerial Systems, although still in early development, are expected to grow in both the military and civil sectors. As part of the UAV sector, the quadrotor helicopter platform has been receiving a lot of interest ... -
Trajectory Optimization Using Collocation And Evolutionary Programming For Constrained Nonlinear Dynamical Systems
(Aerospace Engineering, 2008-08-08)Trajectory design and optimization has a broad variety of applications in fields such as aerospace and electrical engineering. The solution of a trajectory that minimizes a cost function subject to nonlinear differential ... -
Trajectory Uncertainty Analysis For The Development Of A Queuing Model For The National Airspace System
(Aerospace Engineering, 2010-07-19)In this research, we propose to support the development of a queuing model for the National Airspace System (NAS) by providing distributions for the various phases of flight, accounting for the uncertainties in flight ... -
Transient Analysis Of A Pulsed Detonation Combustor Using The Numerical Propulsion System Simulation
(Aerospace Engineering, 2013-03-20)The performance of a hybrid mixed flow turbofan (with detonation tubes installed in the bypass duct) is investigated in this study and compared with a baseline model of a mixed flow turbofan with a standard combustion ... -
Transient Flow Analysis Of Filling In Pulse Detonation Engine
(Aerospace Engineering, 2010-03-03)The Pulse Detonation Engine (PDE) is considered to be a propulsion system of future air vehicles. The objective of the present study is to model an efficient inlet system for filling the detonation tube completely with the ... -
TRUST BASED TIME-VARYING NETWORK TOPOLOGY FOR DISTRIBUTED CO-OPERATIVE CONTROL OF MULTI-CLASS MULTI-AGENT SYSTEMS
(2018-04-20)With increased levels of autonomy in most of the engineering fields and booms in areas such as swarms, platoons and Internet of Things (IoT), communication and information flow has become a highly researched field. With ... -
TWO PHASE FLOW CFD ANALYSIS OF REFRIGERANTS IN A CONDENSER PIPE FOR PREDICTION OF PRESSURE DROP AND PUMPING POWER
(2015-12-02)With the ever growing need of achieving optimum cooling at chip level at the expense of low input pumping power and keeping in check the Global Warming Potential (GWP) & Ozone Depletion Potential (ODP) has given rise to ... -
Uncertainty Characterization Of Orbital Debris
(Aerospace Engineering, 2007-08-23)The increase of orbital debris in the low Earth orbit is a concern for the space industry. Spacecraft and satellites are at risk of collision with orbital debris. Collisions can damage sensitive components or result in ... -
UNCERTAINTY PROPAGATION, CONTROL, AND ESTIMATION OF STOCHASTIC DYNAMIC SYSTEMS USING GENERALIZED POLYNOMIAL CHAOS EXPANSION
(2021-08-10)In recent years, uncertainty propagation has emerged as an important research area in the field of dynamical systems. The growing interest in this area arises out of the need to develop computationally efficient approaches ... -
UNDERDAMPED MOTION OF A MICROBEAD IN OPTICAL TWEEZER AND ITS RELATIONSHIP WITH THE REYNOLDS NUMBER
(2018-12-06)Optical tweezers can hold and manipulate microscopic objects with the use of a highly focused laser beam. The radiation pressure acting on the object is generally in the range of piconewtons and can be attractive or repulsive ... -
Understanding the Alchemilla leaf and its hydrophobicity
(2016-08-26)The Alchemilla leaf has been well known and studied frequently for its hydrophobic ability. However, much difficulty has been met in replicating its microstructure for hydrophobic applications. Also, not much experimental ... -
A Unified Analysis Of Stiffener Reinforced Composite Beams With Arbitrary Cross-section
(Mechanical Engineering, 2010-03-03)A number of methods are available to analyze the laminated composite beams using smear property of laminate stiffness ignoring unsymmetrical behavior of laminates. Some include their effect of laminate but did not include ... -
Unsteady Thrust Measurement Techniques For Pulse Detonation Engines
(Aerospace Engineering, 2014-07-14)Thrust is a critical performance parameter and its correct determination is necessary to characterize an engine. Many conventional thrust measurement techniques prevail. However, further developments are required for correct ... -
Use Of A Windbreaker To Mitigate High Speed Wind Loading On A Modular Data Center
The data centers that are located in open regions are subjected to various environmental risks. Earthquakes and very strong winds have the greatest effect on the structural integrity of the data centers. As the wind blows ... -
Use Of Nanoparticle Enhanced Phase Change Material (NEPCM) For Data Center Cooling Application
(Mechanical Engineering, 2014-12)This study attempts to take advantage of nanoparticles with high thermal conductivity and the latent heat capacity of phase change materials together to enhance heat transfer rate. The main difficulty in using PCM for ... -
Using GPU-based Computing To Accelerate Finite Element Problems
(Aerospace Engineering, 2012-07-25)Historically Graphics Processing Units (GPU) have been used for offloading graphical visualization and made popular in use for video games, but with the development of NVIDIA's CUDA architecture and programing language ... -
USING NUMERICAL MODELING TO DETERMINE VISCOUS LOSSES WITHIN HELIUM TURBOMACHINERY
(2020-12-07)As the consumption of energy has increased relentlessly over the last few decades, the need for reliable clean energy generation has increased as well. Currently, nuclear power is the only method capable of providing a ... -
Utilization Of Microencapsulated Phase Change Material For The Optimization Of Evaporative Cooling Technology
(Mechanical Engineering, 2013-07-22)IT equipments are the essential facet of most institutional operations of the advanced world. Modern IT equipments are far more vigorous than older equipments. With increasing density of array of servers and growth of ... -
Utilization Of Molten Nitrate Salt Nanomaterials For Heat Capacity Enhancement In Solar Power Applications
(Mechanical Engineering, 2013-07-22)Concentrated solar power (CSP) system use general thermodynamic cycle to produce electricity and thus the system efficiency is mainly determined by the working temperature of heat transfer fluid (HTF). Organic-based HTFs ...