Browsing Mechanical Engineering (ME) by Title
Now showing items 103-122 of 433
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Dynamics of Single Shallow Arches and Statics of Connected Shallow Arches and their Applications
The methods developed in this thesis enable computationally efficient dynamic analysis of shallow arches. They also facilitate insightful design of arches for different applications. The first design study considers ... -
Effect of Convection and Shrinkage on Solidification and Microstructure Formation
(2017-11-24)Understanding the fundamental mechanisms of solidification and the relative significance of different parameters governing these mechanisms is of vital importance for controlling the evolution of microstructure during ... -
Effect of flexible exit on vortex-pair generation
In the present work, we study experimentally the effect of flexible exit on vortex?pair generation. Vortex rings are frequently observed flow phenomena and have often been associated with unsteady starting jets issuing out ... -
Effect Of Mould Filling On Evolution Of Mushy Zone And Macrosegregation During Solidification
(2010-01-01)The primary focus of the present work is to model the entire casting process from filling stage to complete solidification. The model takes into consideration any phase change taking place during the filling process. An ... -
Effect of Semi-Solid Processing on Microstructural Evolution and Mechanical Behavior of Austenitic Stainless Steel
(2018-06-19)In view of the significant advantages offered by semi-solid processing, such as reduction in number of intermediate processing steps and energy input, and the potential for improving component complexity, it is of paramount ... -
Effect Of Squeeze Film Flow On Dynamic Response Of MEMS Structures With Restrictive Flow Boundary Conditions
(2011-07-08)There are many ways in which the surrounding media, such as air between an oscillating MEMS structure and a fixed substrate, can affect the dynamic response of a MEMS transducer. Some of these effects involve dissipation ... -
Effect of Surface Texture on Friction under Dry Reciprocating Contacts
Surface texture has been successfully used in many fields to improve the performance of surfaces, in applications like drag reduction, control of wettability, and enhancement of heat transfer. In tribology, surface texture ... -
The Effect Of Viscosity On The Erosion Of Gradient- Zone In A Laboratory Solar Pond
(Indian Institute of Science, 2006-08-24)Double diffusive phenomena occur in many natural systems and in a variety of engineering applications, such as solar ponds. In a solar pond, the erosion of gradient zone due to convection and diffusion is the main cause ... -
Efficient Learning of Koopman Structures for Model-Based Control of Nonlinear Robotic Systems
Identification of the dynamics of a complex robotic system accurately from first principles is challenging and often infeasible. Simplifying assumptions commonly made in modeling such systems often restrict their scope and ... -
Efficient Simulation Strategies for Electromechanical Systems, Contact Mechanics and Time Finite Elements, within the Framework of Hybrid Finite Elements
The purpose of this thesis is to provide robust numerical schemes for various challenging nonlinear large-deformation elasticity problems. The presence of geometric and material nonlinearities poses interesting challenges ... -
Electrohydrodynamics of a Viscoelastic Drop
The behavior of a drop in electric fields is critical for diverse natural and industrial applications, including inkjet printing and electrohydrodynamic atomization. This complex phenomenon is governed by the balance of ... -
Emergence and Propagation of Aerodynamic Instabilities in Centrifugal Compressors with Vaned Diffusers: Effect of Solidity and Stagger
Centrifugal compressors are widely employed in turbochargers and small gas turbines due to their ability to achieve high compression per stage. These compressors consist of a rotating impeller and a static diffuser, which ... -
Energy Loss in Elastic Plastic Low Velocity Impacrt In Presence of Electric Field
Impact phenomena are prevalent in various fields, including the impact between celestial bodies, particle dampers, sports mechanics, and granular media. Impacts between bodies often exhibit inelastic behaviour due to ... -
Estimation and Control of Friction in Bulk Plastic Deformation Process
Friction plays a significant role in bulk plastic deformation processes in controlling the tool life, formability of the work piece material and the quality of the finished product such as, surface finish, microstructure ... -
Estimation of Stress Concentration and Stress Intensity Factors by a Semi-Analytical Method
(2018-05-29)The presence of notches or cracks causes stresses to amplify in nearby regions. This phenomenon is studied by estimating the Stress Concentration Factor (SCF) for notches, and the Stress Intensity Factor (SIF) for cracks. ... -
Evaluation of Air Blast Swirl Injector: Flow-Field Hybrid RANS-LES Studies And Coupling With RANS Spray Characterization Colligating Global Combustor Characteristics-A Novel Exploration
The injector plays a critical role in combustion efficiency, flame stability, ignition, and combustor exit profile. The protocol of designing future engines meeting the requirements of lower emissions, noise, and the use ... -
Evaporation and Buckling Dynamics of Sessile Droplets Resting on Hydrophobic Substrates
(2018-09-04)Droplet evaporation is ubiquitous to multitude of applications such as microfluidics, surface patterning and ink-jet printing. In many of the process like food processing tiny concentrations of suspended particles may alter ...