Now showing items 135-154 of 480
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Effect of Laser Shock Peening on Residual Stress and Mechanical behaviour of Aluminium alloy AA2219 Friction Stir Weld
The Aluminium alloy AA2219 is a precipitation-hardenable wrought alloy with copper as the major alloying element. Large-volume propellant tanks of space launch vehicles are manufactured by joining AA2219 alloy through ... -
Effect of particles on nonequilibrium relaxation phenomena in high temperature gas-nozzle flows
This thesis presents an exhaustive study of the effects of solid particles on the relaxation phenomena of various nonequilibrium processes, such as vibrational, dissociation and ionization, of the gas phase at high temperature ... -
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 ... -
Effects of solar and geomagnetic activity on stratospheric temperatures
This thesis comprises analytical investigations of temperature variations in the 21–60 km altitude region related to solar and geomagnetic activity. The analyses have been carried out using Meteorological Rocket Network ... -
Efficient Trim In Helicopter Aeroelastic Analysis
(2011-04-06)Helicopter aeroelastic analysis is highly complex and multidisciplinary in nature; the flexibility of main rotor blades is coupled with aerodynamics, dynamics and control systems. A key component of an aeroelastic analysis ... -
Elastic Wave Dispersion Analysis and Mode Shape Investigation of Higher order Beam Theory for Thick Beams
The dynamic behavior of structural components, particularly thick beams, is critical in many engineering applications, including aerospace engineering, civil infrastructure, and mechanical systems. The rigid cross-section ... -
Elastic Wave Propagation in Textured Polycrystalline Media
The performance and reliability of structural components in advanced engineering applications, such as turbine discs in aeroengines, are critically influenced by their microstructural characteristics, particularly the ... -
Electric Field-Guided Alignment of Carbon Nanotubes in Polymer Matrix Composites for Structural Applications
Carbon nanotubes (CNTs) have been extensively researched for diverse applications in recent years. In the present work, the use of low frequency non-uniform alternating electric fields to manipulate the alignment behavior ... -
Energy Separation And Lox Separation Studies In Vortex Tubes
(2014-11-24)Vortex Tube (VT) is a simple device having no moving mechanical parts, in which compressed gas at high pressure is injected through one or more tangential nozzles into a vortex chamber resulting in the separation of the ... -
Evaluation of Hygrothermal Ageing In Cfrp Composite Material: A Study Using Non-destructive Techniques
Advanced composite materials are replacing conventional metals/alloys in aerospace industries due to their excellent strength and stiffness-to-density ratio as well as some other better physical and mechanical properties ... -
Evolutionary Optimization For Vibration Analysis And Control
(2014-03-03)Problems in the control and identification of structural dynamic systems can lead to multimodal optimization problems, which are difficult to solve using classical gradient based methods. In this work, optimization problems ... -
Experimental Analysis of Shock Stand off Distance over Spherical Bodies in Hypersonic Flows
(2018-07-18)One of the characteristics of the high speed ows over blunt bodies is the detached shock formed in front of the body. The distance of the shock from the stagnation point measured along the stagnation streamline is termed ... -
Experimental And Computational Investigations Of Underexpanded Jets From Elliptical Sonic Nozzles
(Indian Institute of Science, 2005-10-25)Three dimensional nozzles and jet flows have attracted the attention of many researchers due to their potential application to many practical devices. Rectangular nozzles are considered for short/vertical take off and ... -
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 ... -
Experimental And Numerical Studies On Fatigue Crack Growth Of Single And Interacting Multiple Surface Cracks
(Indian Institute of Science, 2007-05-01)Design based on damage tolerance concepts has become mandatory in high technology structures. These concepts are also essential for evaluating life extension of aged structures which are in service beyond originally ... -
Experimental and Numerical Studies to Strengthen the Adhesive Bonded Single Lap Joint
In this work, an attempt has been made to strengthen the adhesive bonding using various concepts like hybrid joints, dual and mixed adhesive bonded joints. One of the most commonly occurrence of defect in adhesive bonded ... -
Experimental and numerical study of sink flow turbulent boundary layers
Sink flow turbulent boundary layers (TBLs) develop in the incompressible flow be- tween two convergent, plane smooth walls and represent a family of favorable pres- sure gradient TBLs. These are the only smooth wall TBLs ...