Division of Mechanical Sciences: Recent submissions
Now showing items 1441-1460 of 2159
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Understanding And Supporting Conceptual Design Synthesis Of Multiple State Mechanical Devices
(2015-08-07)Conceptual design synthesis is part of the conceptual phase of the design process, which focuses on creating alternative, candidate solutions. Conceptual design phase has the greatest influence on the cost and characteristics ... -
Evolution Of Texture And Microstructure In Some NiTi Based Alloys And Their Impact On Shape Memory Behavior
(2015-07-08)NiTi based shape memory alloys (SMA) cover most of the commercially produced shape memory devices and components. The reversible martensitic transformation between the phases B2 (austenite) and B19′ (martensite) is responsible ... -
Study Of Stall Flutter Of An Isolated Blade In A Low Reynolds Number Incompressible Flow
(2015-07-08)Highly-loaded turbomachine blades can stall under off-design conditions. In this regime, the flow can separate close to the leading edge of the blade in a periodic manner that can lead to blade vibrations, commonly referred ... -
Studies On Synthesizing Fe And Fe-Cu Nanopowders By Levitational Gas Condensation Process And Their Consolidation Characteristics
(2015-02-25)There exist large number of techniques for the preparation of nanostructured materials. Among them the preparation of nanopowders by gas/vapour condensation is a popular one. Because of very high level of surface to volume ... -
Studies On The Isolation And Characterisation Of Bioreagents For The Flotation Of Sphalerite From Galena-Sphalerite System
(2015-01-07)A gradual depletion of high-grade ores, coupled with the growing demand for mineral commodities across the world has culminated in the increased exploitation of lean-grade ores with complex mineralogy. The mineral processing ... -
Crack Tip Fields And Mechanisms Of Fracture In Ductile FCC Single Crystals
(2015-01-07)An understanding of crack tip fields and fracture mechanisms in single crystals can help in developing better polycrystalline alloys and manufacturing processes. To this end, the effects of loading rate, material inertia ... -
Studies On Automization And Sprays Of Plant Oil Biofuels Using Laser-Based Diagnostics
(2014-12-12)Atomization characteristics of liquid fuel sprays control combustion efficiency and emissions in engines. The present work is motivated by the need to study the atomization and spray structure of vegetable oil biofuels for ... -
Assesment Of Air Quality And Anthropogenic Aerosol Fraction Over India Using Observations And Model
(2014-12-11)Air quality degradation is emerging to be an issue of major concern in India. Recent investigations have shown that anthropogenic aerosols have significant impact on climate as well as on health. In fourth assessment report ... -
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 ... -
Dynamics Of Water Drops Impacting Onto The Junction Of Dual-Textured Substrates Comprising Hydrophobic And Hydrophilic Portions
(2014-11-24)The research topic of liquid drop interaction with solid surfaces is being actively pursued to gain in-depth understanding of several practical cases such as the impingement of fuel spray droplets on surfaces like combustion ... -
Single-Phase And Multi-Phase Convection During Solidification Of Non-eutectic Binary Solutions
(2014-10-20)During solidification of non-eutectic alloys, non-isothermal phase change causes dendritic growth of solid front with liquid phase entrapped within the dendritic network producing the mushy region. Solidification causes ... -
Understanding Structure And Growth Of Physisorbed Films : A Combined Atomic Force Microscopy And Modeling Study
(2014-10-16)Surface modification has wide ranging implications in lubrication, microelectromechanical systems (MEMS), colloidal systems and biological membranes. Surface modification plays an important role in stabilizing gold ... -
LU-SGS Implicit Scheme For A Mesh-Less Euler Solver
(2014-10-10)Least Square Kinetic Upwind Method (LSKUM) belongs to the class of mesh-less method that solves compressible Euler equations of gas dynamics. LSKUM is kinetic theory based upwind scheme that operates on any cloud of points. ... -
Beneficiation Studies On Molybdenite Ore From Harur Area, Tamil Nadu
(2014-09-15)Molybdenum is a versatile alloying and refractory metal of strategic importance. In India almost all molybdenite is obtained currently as st byproduct from copper and uranium deposits. The present Indian production is only ... -
Development And Performance Evaluation Of An Indirect Evaporative Air Cooler
(2014-09-09)Evaporative cooling is an alternative and efficient method of cooling in dry climates. When a liquid evaporates into the surrounding gas, the energy required for the change of phase produces a cooling effect. The wet bulb ... -
Microstructure Evolution In Semisolid Processing
(2014-09-09)In this thesis, we present an experimental and numerical study of globularization during reheating of thixocast billet having non-dendritic microstructure. The process of reheating is an important step in the semisolid ... -
Experimental Study On The Impact Of Water Drops On Groove-Textured Surfaces
(2014-09-08)The interaction of a liquid drop with a solid surface is being actively studied to understand practically encountered scenarios such as the impact of fuel spray droplets onto the walls of engine combustion chamber, the ... -
A Synergetic Micromechanics Model For Fiber Reinforced Composites
(2014-09-08)Composite materials show heterogeneity at different length scales. hence concurrent multiscale analysis is the only reliable method to analyze them. But unfortunately there is no concurrent multi-scale strategy that is ... -
Modeling And Computation Of Turbulent Nonreacting And Reacting Sprays
(2014-09-05)Numerical modeling of several turbulent nonreacting and reacting spray jets is carried out using a fully stochastic separated flow (FSSF) approach. As is widely used, the carrier-phase is considered in an Eulerian framework, ... -
Lower Bound Limit Analysis Applications For Solving Planar Stability Problems In Geomechanics
(2014-09-04)Limit analysis based upon the theory of plasticity is one of the very useful numerical techniques to determine the failure loads of different civil and mechanical engineering structures for a material following an associated ...