Division of Mechanical Sciences: Recent submissions
Now showing items 1841-1860 of 1921
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Kinetic Flux Vector Splitting Method On Moving Grids (KFMG) For Unsteady Aerodynamics And Aeroelasticity
(Indian Institute of Science, 2007-06-07)Analysis of unsteady flows is a very challenging topic of research. A decade ago, potential flow equations were used to predict unsteady pressures on oscillating bodies. Recognising the fact that nonlinear aerodynamics is ... -
Studies On Momentum, Heat And Mass Transfer In Binary Alloy Solidification Processes
(Indian Institute of Science, 2007-06-06)The primary focus of the present work is the development of macro-models for numerical simulation of binary alloy solidification processes, consistent with microscopic phase-change considerations, with a particular emphasis ... -
Studies On Phase Inversion
(Indian Institute of Science, 2007-06-04)Agitated dispersions of one liquid in another immiscible liquid are widely used in chemical industry in operations such as liquid-liquid extraction, suspension polymerisation, and blending of polymers. When holdup of the ... -
Development Of A Single Cylinder SI Engine For 100% Biogas Operation
(Indian Institute of Science, 2007-05-21)This work concerns a systematic study of IC engine operation with 100% biogas as fuel (as opposed to the dual-fuel mode) with particular emphasis on operational issues and the quest for high efficiency strategies. As a ... -
2D Compressible Viscous Flow Computations Using Acoustic Flux Vector Splitting (AFVS) Scheme
(Indian Institute of Science, 2007-05-07)The present work deals with the extension of Acoustic Flux Vector Splitting (AFVS) scheme for the Compressible Viscous flow computations. Accurate viscous flow computations require much finer grids with adequate clustering ... -
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 ... -
Studies On The Combustion And Gasification Of Concentrated Distillery Effluent
(Indian Institute of Science, 2007-04-24)The need for effective disposal of huge volumes of industrial waste is becoming more challenging due to expected imposition of stringent pollution control regulations in the near future. Thermochemical conversion, particularly ... -
Structural Health Monitoring Of Composite Helicopter Rotor Blades
(Indian Institute of Science, 2007-04-18)Helicopter rotor system operates in a highly dynamic and unsteady aerodynamic environment leading to severe vibratory loads on the rotor system. Repeated exposure to these severe loading conditions can induce damage in the ... -
Transition Zone In Constant Pressure Boundary Layer With Converging Streamlines
(Indian Institute of Science, 2007-04-18)The laminar-turbulent transition in viscous fluid flows is one of the most intriguing problems in fluid dynamics today. In view of the enormous applications it has in a variety of fields such as aircraft design, turbomachinery, ... -
Kinetics Of Polymerization And Degradation By Non-Conventional Techniques
(Indian Institute of Science, 2007-03-28)Non-conventional techniques for polymerization and depolymerization were investigated. The rates of polymerization were enhanced higher in ultrasonic, supercritical fluids and microwaves. However in these system under ... -
Linear Instability Of Laterally Strained Constant Pressure Boundary Layer Flows
(Indian Institute of Science, 2007-03-26)The linear instability of laterally diverging/converging flows is an important aspect towards understanding the laminar-transition process in many viscous flows. In this work the linear instability of constant pressure ... -
Structural Analysis And Forecasting Of Annual Rainfall Series In India
(Indian Institute of Science, 2007-03-15)The objective of the present study is to forecast annual rainfall taking into account the periodicities and structure of the stochastic component. This study has six Chapters. Chapter 1 presents introduction to the ... -
Influence Of Joint Compliance On The Behaviour Of Space Structures
(Indian Institute of Science, 2007-03-06)Space structures are inevitable while covering large spans. Space structures are skeletal structures, which are lighter for the same stiffness when compared with RCC roofs. Till now, space structures, like any other metal ... -
Numerical Modeling Of Jointed Rock Mass
(Indian Institute of Science, 2007-02-28)The behavior of jointed rock mass is very complex and is influenced by many factors such as location of joints, joint frequency, joint orientation and joint strength. A thorough review of literature on different aspects ... -
Engineering Behaviour Of Ash-Modified Soils Of Karnataka
(Indian Institute of Science, 2007-02-22)During a survey of black cotton soil zones of Karnataka, indigenously stabilized black cotton soil deposits were encountered in Belgaum, Bijapur, Bagalkot and Gadag Districts of Karnataka. These modified black cotton soils ... -
Two Dimensional Numerical Modelling Of Variably Saturated Flows
(Indian Institute of Science, 2007-02-21)The prediction of moisture and contaminant transport through unsaturated soil to ground water is becoming increasingly important in the fields of hydrology, agriculture and environmental engineering. Computer aided simulation ... -
A Finite Element Investigation Of Brittle Fracture During Spherical Nanoindentation Of Thin Hard Films
(Indian Institute of Science, 2006-12-14)Hard ceramic films of micrometric thickness deposited on a soft metallic substrate have ushered in a new era in the fabrication of structural, tribological, microelectronic and optical components. The mechanical performance ... -
Artificial Neural Network Approach For Characterization Of Acoustic Emission Sources From Complex Noisy Data
(Indian Institute of Science, 2006-12-14)Safety and reliability are prime concerns in aircraft performance due to the involved costs and risk to lives. Despite the best efforts in design methodology, quality evaluation in production and structural integrity ... -
Experimental And Theoretical Studies On Jet Acoustics
(Indian Institute of Science, 2006-12-14)A systematic research on aeroacoustics conducted around the world for the last few decades has revealed various inherent characteristics of the jet noise radiation. However, a lot more needs to be done for the theoretical ... -
Characterisation and Analysis of a Vibro-fluidised Granular Material
(Indian Institute of Science, 2006-12-12)The present work is concerned with the mathematical modelling of a bed of granular material in a gravitational field vertically fluidised by a vibrating surface. The particles are in rapid motion, and lose energy by inelastic ...