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This book presents a theoretical analysis of several problems in thermal and solutal convections in magneto-hydrodynamic (MHD) flows. It provides a systemic discussion on the development of fluid dynamics, continuum hypothesis, Newton’s law of viscosity, heat transfer, mass transfer, thermal diffusion, diffusion-thermo-MHD, gray and non-gray gases, Fourier’s law of conduction, and Fick’s law of diffusion in such a way that readers with little knowledge in physics will find it easier to understand the contents. Some physical principles, such as those governing fluid motion, fluid temperature, and fluid concentration, are presented in vector form, allowing the corresponding form to be derived in any orthogonal curvilinear coordinate system. Laplace transform technique in closed form is used to obtain exact solutions to unsteady one-dimensional flow problems, an implicit finite difference method of Crank–Nicholson type is used to solve unsteady two-dimensional flow problems, and an asymptotic series expansion method is used to solve the governing equations of the steady three-dimensional flow problem analytically. Flow and transport phenomena are thoroughly treated in each chapter separately. This book emphasizes the influence of an induced magnetic field. The outcomes of the works are graphically depicted so that readers can gain a tangible understanding of the problems. It also includes a list of inverse Laplace transforms (ILTs) for several specific functions, some of which are not found in the existing literature. The ILTs of special functions are given in brief form and can further be utilized as standard formulae in finding those as special cases. Some new special functions are introduced in the book, along with appropriate definitions. As a result, the formulations for velocity, temperature, concentration, skin friction, Nusselt number, and Sherwood number have been appeared in brief and convenient forms that are uncommon in other literature. This book addresses numerous areas of contemporary magneto-fluid dynamics research that have major implications in engineering. It is primarily intended for researchers working in the field of heat and mass transfer in hydromagnetic flows.
The present book "Some Hydromagnetic Flows With Heat Transfer" is a part of the research work carried out by Dr. R. Nandkeolyar for his doctoral degree at the prestigious center of excellence for mining study, the Indian School of Mines, Dhanbad, India under the expert guidance of Prof. G.S. Seth. It is well known that MHD flows has applications in the area of astrophysics, geophysics and fluid-engineering. Keeping this fact into mind the author has presented the study of some problems of magnetohydrodynamic fluid flow and heat transfer under different conditions and configurations considering various aspects of the problem. A comprehensive review of the literature relevant to each chapter is presented at the beginning of the chapter. The study is presented in a very easy to understand manner by explaining each and every step so that the book may be helpful for young researchers in the field of Magnetohydrodynamics. The discussion of results has been made with the help of neatly drawn graphs and well presented tables. The purpose of this book will be served if it can help the coming generation to initiate their work in the area of Magnetohydrodynamics.
Control of heat and mass transfer processes by means of external force effects is one of the most important problems in modern applied physics. This book is devoted to the study of the magnetic field effect as it bears on transfer phenomena: heat and mass transfer. In conducting media, this influence is mainly due to the induced electric current and the interaction of the current with the magnetic field, whereas in magnetizable fluids, molecular or colloidal solution, transfer phenomena are directly affected by the field. When analysing heat and mass transfer in multiphase magnetizing media, only those phenomena which could be described in terms of conventional quasi-stationary approximation are considered. The effects assoicated with the non-equilibrium magnetization of the system and particle interaction receive special attention here. The problem studied here have been considered with a view to possible applications, particularly in biology and medicine.
The aim of this investigation is to study MHD free convection unsteady flow of an in compressible, electrically conducting, viscous, rotating liquid in a non homogeneous porous medium past an infinite isothermal vertical plate with constant source / Sink in the presence of a uniform magnetic field applied perpendicular to the flow region. Expressions for primary and secondary velocities and temperature distribution, skin-friction coefficient and rate of heat transfer are obtained and discussed numerically.
This book is about magnetohydrodynamics, explaining how magnetic fields can induce currents within a moving conductive fluid, which in turn creates forces on the fluid and influences the magnetic field itself. The book explains its governing equations and discusses free, forced and mixed convection heat transfers of nanofluids. The models discussed in the book have applications in various fields, including mathematics, physics, biology, medicine, engineering, nanotechnology, and materials science. This book will be of use to professionals, researchers, scientists, policy makers, and students with a keen interest within this field. This book provides an understanding of the fundamentals of new numerical and analytical methods, acting as a remedy for the lack of convenient and integrated sources of information in this specific field of study.
A total of 2519 annotated references to the unclassified report literature is presented. Subjects covered under heat transfer and fluid flow include radioinduced heating; boiling; boiler, evaporators, pump, and heat exchanger design; hydrodynamics; coolants and their properties; thermal and flow instrumentation; high temperature materials; thermal properties of materials; and thermal insulation. Subjects covered less completely include thermodynamics; aerodynamics; high temperature corrosion; corrosion specific to heat transfer systems; erosion; mass transfer; corrosion film formation and effects; coolant processing and radioactivity; radiation effects of heat transfer materials; and pertinent data of thermonuclear processes. Subject, report number availability, and author indexes are given.
Selected Papers of the PAMIR Conference held in Aussois, France, 22-26 September, 1997