Division of Mechanical Sciences: Recent submissions
Now showing items 1861-1880 of 1922
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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 ... -
Role Of Interfacial Phenomena In Bioprocessing Of Minerals Using Bacillus Polymyxa
(Indian Institute of Science, 2006-12-11)In recent years there has been growing interest in bio-mineral processing due to its low operating costs and its application in processing lean-grade ores. Bioprocessing is a good alternative to conventional hydrometallurgy ... -
Computational Studies On Certain Problems Of Combustion Instability In Solid Propellants
(Indian Institute of Science, 2006-11-17)This thesis presents the results and analyses of computational studies on certain problems of combustion instability in solid propellants. Specifically, effects of relaxing certain assumptions made in previous models of ... -
Passive Earth Pressure Coefficients And There Applications In The Uplift Capacity Of Anchors
(Indian Institute of Science, 2006-10-13)The problem of passive earth pressure is one of the important topics in Geotechnical engineering. At attempt is made in this thesis to generate passive earth pressure coefficients for general c-Φ soils using logarithmic ... -
Implicit Least Squares Kinetic Upwind Method (LSKUM) And Implicit LSKUM Based On Entropy Variables (q-LSKUM)
(Indian Institute of Science, 2006-10-12)With increasing demand for computational solutions of fluid dynamical problems, researchers around the world are working on the development of highly robust numerical schemes capable of solving flow problems around complex ... -
Analysis Of Solar Pumped Chemical Oxygen Iodine Laser
(Indian Institute of Science, 2006-10-11)Chemical Oxygen Iodine Laser(COIL) is an electronic transition high energy chemical laser having a wavelength of 1.315 /mi. This is the first chemical laser to operate on an electronic rather than a rotational or vibrational ... -
Turbulent Mixed Convection
(Indian Institute of Science, 2006-08-28)Turbulent mixed convection is a complicated flow where the buoyancy and shear forces compete with each other in affecting the flow dynamics. This thesis deals with the near wall dynamics in a turbulent mixed convection ... -
Transport Phenomena In Laser Surface Alloying: A Numerical Investigation
(Indian Institute of Science, 2006-08-24)A comprehensive, transient three-dimensional model of a single-pass laser surface alloying process has been developed and used to examine the heat, momentum and species transport phenomena. A numerical study is performed ... -
Computational Modelling Of Heat Transfer In Reheat Furnaces
(Indian Institute of Science, 2006-08-24)Furnaces that heat metal parts (blooms) prior to hot-working processes such as rolling or forging are called pre-forming reheat furnaces. In these furnaces, the fundamental idea is to heat the blooms to a prescribed ... -
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 ... -
Application Of Controlled Random Search Optimization Technique In MMLE With Process Noise
(Indian Institute of Science, 2006-08-08)Generally in most of the applications of estimation theory using the Method of Maximum Likelihood Estimation (MMLE) to dynamical systems one deals with a situation where only the measurement noise alone is present. However ... -
A Methodology To Recover Unstable Aircraft From Post Stall Regimes: Design And Analysis
(Indian Institute of Science, 2006-07-26)This thesis deals with high angle of attack behaviour of a generic delta wing model aircraft. A high angle of attack wind tunnel database has been generated for this aircraft and based upon the bifurcation analysis of the ... -
Low Reynolds Number Airfoil Aerodynamics
(Indian Institute of Science, 2006-07-21)In this thesis we describe the development of Reynolds- averaged Navier Stokes code for the flow past two- dimensional configuration. Particularly, emphasis has been laid on the study of low Reynolds number airfoil ... -
A Numerical Study On Absolute Instability Of Low Density Jets
(Indian Institute of Science, 2006-07-20)A spectacular instability has been observed in low density round jets when the density ratio of jet fluid to ambient fluid falls below a threshold of approximately 0.6. This phenomenon has been observed in non-buoyant jets ... -
A High-Resolution Procedure For Euler And Navier-Stokes Computations On Unstructured Grids
(Indian Institute of Science, 2006-07-20)A finite-volume procedure, comprising a gradient-reconstruction technique and a multidimensional limiter, has been proposed for upwind algorithms on unstructured grids. The high-resolution strategy, with its inherent ... -
Vibration Analysis Of Structures Built Up Of Randomly Inhomogeneous Curved And Straight Beams Using Stochastic Dynamic Stiffness Matrix Method
(Indian Institute of Science, 2006-07-19)Uncertainties in load and system properties play a significant role in reliability analysis of vibrating structural systems. The subject of random vibrations has evolved over the last few decades to deal with uncertainties ... -
A Study On The Predictive Optimal Active Control Of Civil Engineering Structures
(Indian Institute of Science, 2006-07-18)Uncertainty involved in the safe and comfort design of the structures is a major concern of civil engineers. Traditionally, the uncertainty has been overcome by utilizing various and relatively large safety factors for ... -
Conjunctive And Multipurpose Operation Of Reservoirs Using Genetic Algorithms
(Indian Institute of Science, 2006-07-17)Optimal operation of reservoir systems is necessary for better utilizing the limited water resources and to justify the high capital investments associated with reservoir projects. However, finding optimal policies for ... -
Study And Design Of Two-Thirds Power Weir
(Indian Institute of Science, 2006-07-17)This thesis is devoted to the study and designs of two important proportional weirs having the discharge-head characteristics of Q α H 2/3 In the first design a geometrically simple weir in the form of a rectangular weir ... -
Collapse Behaviour Of Red Soils Of Bangalore District
(Indian Institute of Science, 2006-07-17)Collapse phenomenon is exhibited by two types of residual soils. The first category of collapsing residual soils is believed to be transported soils that have undergone post-depositional pedogenesis. The second category ...