Browsing Department of Mechanical and Aerospace Engineering by Title
Now showing items 464-483 of 916
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FOIL THRUST BEARING WITH POCKET GROOVES AND TAILORED BUMP STIFFNESS DISTRIBUTION FOR IMPROVED STATIC PERFORMANCE
(2018-12-19)Gas foil thrust bearing is one of few axial bearing options for high speed turbomachinery systems. Its advantages include low cost, light weight, generous allowance for component mis-alignment and runout. However, the ... -
Formalization Of The Engineering Science Discipline - Knowledge Engineering
Knowledge is the most precious ingredient facilitating aerospace engineering research and product development activities. Currently, the most common knowledge retention methods are paper-based documents, such as reports, ... -
FORMATION FLIGHT FOR FUEL SAVING IN CORONET MISSIONS OF KC-135R AND F-15C/E
(2016-12-21)The fuel saving benefit of formation flight has been demonstrated through theoretical and computational analyses, simulation, wind tunnel and flight tests. When an aircraft flies in a specific region in the wake of another ... -
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 ... -
Frequency Response Approximation Methods Of The Dissipative Model Of Fluid Transmission Lines
(Mechanical Engineering, 2007-08-23)This thesis introduces an accurate and efficient method of obtaining a linear approximation for a nonlinear model of a complete fluid transmission line system using Matlab® Signal Processing Toolbox and Symbolic Math Toolbox ... -
FREQUENCY TUNING OF VIBRATION ABSORBER USING TOPOLOGY OPTIMIZATION
(2017-05-08)A tuned mass absorber is a system for reducing the amplitude in one oscillator by coupling it to a second oscillator. If tuned correctly, the maximum amplitude of the first oscillator in response to a periodic driver will ... -
GAIN SCHEDULING CONTROLLER FOR AIRCRAFT WITH MASS AND INERTIA VARIATION
(2018-06-28)Robustness is one of the main control design requirements for aircraft control.Robustness is sought in the stability and performance of closed loop system against various factors such as disturbance, measurement error, ... -
Gasdynamic Phenomena and Propulsive Performance of Pulse Detonation Engines
(2019-05-10)The pulsed detonation engine (PDE) is an advanced propulsion system that makes use of intermittent detonations to provide thrust. In recent decades, the PDE has been at the center of various propulsion research efforts ... -
Gaseous Corrosion In Hard Disk Drive: A Computational Study
(Mechanical Engineering, 2013-07-22)HDD is the largest digitally encoded data storage device. HDD is used to store digital data in data centers, computers and laptops. A typical HDD consists of a casing, an actuator arm, actuator axis, head, platters, power ... -
GENERAL METHODS FOR THE THERMAL DESIGN OF DATA CENTERS BASED ON EVAPORATIVE COOLING
(2018-05-22)With the increasing load on the servers, the cost and energy required to cool a data center has been on the rise. This has kept the researchers to explore more efficient and economical cooling technologies for data centers. ... -
General solutions to temperature distribution in orthotropic systems subject to variable heat transfer and biological systems during bioheat transfer
(2016-10-25)Bioheat transfer is the phenomenon of heat transfer in biological systems where the dominant modes of heat transfer are conduction and advection. Other factors such as rate of metabolism that are unique to biological systems ... -
A Generic Methodology For Flight Test And Safety Evaluation At Conceptual Design
(Aerospace Engineering, 2009-09-16)The current research is dedicated to the application of a simulation suite that emulates flight testing and is applicable to the aircraft conceptual and preliminary design environment. The configuration concept available ... -
A Generic Stability And Control Tool For Flight Vehicle Conceptual Design: Aeromech Software Development
(Aerospace Engineering, 2007-08-23)During the conceptual design (CD) phase, various solution concepts must, and should, be explored to select the best flight vehicle size and configuration in order to meet the mission requirements. As the aerospace industry ... -
Graph Theoretic Framework Based Cooperative Control And Estimation Of Multiple UAVS For Target Tracking
(Mechanical Engineering, 2012-07-25)Designing the control technique for nonlinear dynamic systems is a significant challenge. Approaches to designing a nonlinear controller are studied and an extensive study on backstepping based technique is performed in ... -
Guidance And Control Of Unmanned Airships For Waypoint Navigation In The Presence Of Wind
(Aerospace Engineering, 2012-07-25)Airships are a specific class of Lighter-Than-Air (LTA) vehicles. These vehicles achieve lift mainly through buoyancy; the usually ellipsoidal shaped hull contains a lifting gas such as helium, which produces the required ... -
GUIDANCE LAWS FOR n-MOBILE AGENTS TO GRIP A MOVING TARGET
(2021-12-20)In this thesis, we consider the problem of n mobile agents carrying a gripper, with the objective of gripping a moving circular target. The target may move with constant velocity, or even maneuver. We develop guidance laws ... -
GUIDANCE NAVIGATION AND CONTROL IMPLEMENTATION FOR UNMANNED GROUND VEHICLE USING NI-myRIO
(2016-08-23)This research effort aims at investigating alternative real-time implementation software and hardware for Guidance, Navigation and Control (GNC) algorithms for an Unmanned Ground Vehicle (UGV). A GNC algorithm was previously ... -
Guidance Of Receiver Aircraft To Rendezvous With Tanker In The Presence Of Wind
(Aerospace Engineering, 2010-03-03)This thesis work addresses the problem of aircraft rendezvous in the presence of prevailing wind for automated aerial refueling operations. A modified point-parallel rendezvous procedure is defined. The tanker aircraft ... -
HAPTIC INTERFACE OPTIMIZATION FOR VIRTUAL ANASTOMOSIS SURGERY TRAINING
(2021-08-16)Virtual anastomosis surgery study allows surgeons to perform or practice suturing in virtual reality using a commercial haptic device. The haptic device can generate force feedback so that the user can feel the real touch ... -
HARVESTING OF WATER FROM FOG USING SPONGES
(2016-05-19)Supervising Professor: Cheng Luo A sponge has porous structures. It is capable of both storing and transmitting water. In this work, we explored the possibility of applying three different types of sponges to collect ...