Aerospace Engineering (AE): Recent submissions
Now showing items 201-220 of 426
-
Analysis of Rotating Beam Problems using Meshless Methods and Finite Element Methods
(2018-03-01)A partial differential equation in space and time represents the physics of rotating beams. Mostly, the numerical solution of such an equation is an available option as analytical solutions are not feasible even for a ... -
Robust Adaptive Control of a Laser Beam System for Static and Moving Targets
(2018-02-28)The motivation of this thesis is to propose a robust control technique for a laser beam system with target estimation. The laser beam is meant to track and fall on a particular portion of the target until the operation is ... -
Studies on the Effects of Carbon Nanotubes on Mechanical Properties of Bisphenol E Cyanate Ester/Epoxy Based Resin Systems and CFRP Composites
(2018-02-28)The search and research for high performance materials for aerospace applications is a continuous evolving process. Among several fibre reinforced polymers, carbon fibre reinforced polymer (CFRP) is well known for its high ... -
Effective Property Estimation of Carbon Composites using Micromechanical Modeling
(2018-02-28)In recent times, composite materials have gained mainstay acceptance as a structural material of choice due to their tailorability and improved thermal, specific strength/stiffness and durability performance. Carbon-Carbon ... -
Experimental Investigations on Hypersonic Waverider
(2018-02-28)In the flying field of space transportation domain, the increased efforts involving design and development of hypersonic flight for space missions is on toe to provide the optimum aerothermodynamic design data to satisfy ... -
Large Eddy Simulation of Free and Impinging Subsonic Jets and their Sound Fields
(2018-02-27)Evaluating aerodynamic noise from aircraft engines is a design stage process, so that it conform to regulations at airports. Aerodynamic noise is also a principal source of structural vibration and internal noise in ... -
Experimental and Computational Studies on Deflagration-to-Detonation Transition and its Effect on the Performance of PDE
(2018-02-26)This thesis is concerned with experimental and computational studies on pulse detonation engine (PDE) that has been envisioned as a new concept engine. These engines use the high pressure generated by detonation wave for ... -
Inverse Problems in Free Vibration Analysis of Rotating and Non-Rotating Beams and its Application to Random Eigenvalue Characterization
(2018-02-19)Rotating and non-rotating beams are widely used to model important engineering struc-tures. Hence, the vibration analyses of these beams are an important problem from a structural dynamics point of view. Depending on the ... -
On Three Dimensional High Lift Flow Computations
(2018-02-18)Computing 3D high lift flows has been a challenge to the CFD community because of three important reasons: complex physics, complex geometries and large computational requirements. In the recent years, considerable progress ... -
A Study of the Characteristics of Gas-On-Liquid Impinging Injectors
(2018-02-18)The work presented here pertains to investigations on gas-on-liquid type of impinging injectors with a generic approach with prospective applications in several areas, and at places with particular emphasis on cryogenic ... -
Flutter Susceptibility Assessment of Airplanes in Sub-critical Regime using Ameliorated Flutter Margin and Neural Network Based Methods
(2018-02-17)As flight flutter testing on an airplane progresses to high dynamic pressures and high Mach number region, it becomes very difficult for engineers to predict the level of the remaining stability in a flutter-prone mode and ... -
Molecular Simulation of Anisotropic Stress and Structure in polymers
(2018-02-15)This dissertation presents a numerical study using molecular dynamic simulations that interrogates the polymer structure as it is strained continuously in time and correlates it with the stress developed in it. We investigate ... -
Microgravity Flow Transients in the Context of On-Board Propellant Gauging
(2018-02-15)It is well known that surface tension of a liquid has a decisive role in flow dynamics and the eventual equilibrium state, especially in confined flows under low gravity conditions and also in free surface flows. One such ... -
Cyclic Pursuit : Variants and Applications
(2018-02-11)The classical n-bugs problem has attracted considerable attention from researchers. This problem stems from the study of movement of a group of animals. In the context of multi- agent systems the problem has been modelled ... -
Ultrasonic Guided Wave Based Models, Devices and Methods for Integrated Structural Health Monitoring
(2018-01-31)Structural Health Monitoring (SHM) systems for future structures and vehicles would involve a process of damage identification and prediction of certain quantities of interest that concerns the function and safety. This ... -
Turbulence Modeling for Predicting Flow Separation in Rocket Nozzles
(2018-01-30)Convergent-Divergent (C-D) nozzles are used in rocket engines to produce thrust as a reaction to the acceleration of hot combustion chamber gases in the opposite direction. To maximize the engine performance at high ... -
Design and Development of Piezoelectric Stack Actuated Trailing Edge Flap for Helicopter Vibration Reduction
(2018-01-09)This research investigates on-blade partial span active plain trailing edge flaps (TEFs)with an aim to alleviate the helicopter vibrations. Among all the available smart materials, piezoelectric stack actuator(PEA)has shown ... -
Studies on Vortex Breakdown in a Closed Cylinder with a Rotating Endwall
(2018-01-09)Swirling flows abound in nature and numerous engineering applications. Under conditions which are not completely understood, the swirling cores could undergo a sudden enlargement of their vortex core, leading to a ’vortex ... -
Modeling and Simulation of Biomolecular Flow in Microchannel
(2018-01-01)Microfluidics deals with the behavior, control and manipulation of fluids which are confined at micrometer length scale. It has important application in lab-on-a chip technology, micro-propulsion, additive manufacturing, ... -
Experimental Studies on Shock-Shock Interactions in Hypersonic Shock Tunnels
(2017-12-16)Shock-shock interactions are among the most basic gas-dynamic problem, and are almost unavoidable in any high speed light, where shock waves generating from different sources crosses each other paths. These interactions ...