Background
Ingham, Derek Binns was born on August 7, 1942 in Leeds, England. Son of George Arthur and Fanny Walton (Binns) Ingham.
(Inverse problems may be defined broadly as problems which...)
Inverse problems may be defined broadly as problems which attempt to find the cause of a known result. They are mathematically complex because their very nature means that small errors in data may produce large errors in results. Integral equation formulations are becoming increasingly popular for inverse analysis due to their ability to properly treat unbounded regions, point singularities and deforming boundaries. This book presents boundary integral formulations for the analysis of inverse problems in several fields of engineering. Each of the 12 self-contained chapters is written by a well known expert with years of experience in the field and looks at state-of-the-art developments in this fast-moving subject area.
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(In general, the simplest means of inducing sedimentation ...)
In general, the simplest means of inducing sedimentation is via gravity settling. However, this mechanism is very slow and nowadays many industrial processes favour the more efficient separation devices with inclined rather than vertical surfaces. This book is dedicated to the Boycott Effect, the phenomenon of enhanced sedimentation in inclined channels. Numerical results are presented for the case of sedimentation across the width of an inclined channel with infinite height and length. Analytical solutions are also illustrated in order to demonstrate the validity of these numerical procedures.
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(Particle samplers are widely used in workplaces in order ...)
Particle samplers are widely used in workplaces in order to determine the concentration of airborne particles in the atmosphere. They generally operate by drawing air, with the aid of a pump, through one or more orifices in the sampler body and housed within the sampler is a filter through which the air is subsequently drawn. The airborne particles are collected on the filter and their concentration is determined. Various samplers have been designed for this purpose including "static" samplers, which are located in a fixed position in a working environment and determine the dust concentration averaged over a prescribed period of time at that one point, and "personal" samplers which are mounted on a working person near to the breathing zone. The ORB sampler, a static sampler designed by Ogden and Birkett (1978) to have approximately the same entry efficiency, for particles with aerodynamical diameter up to at least 25~m, as a human head equally exposed to all wind directions for wind speeds between 0 and 2. 75m1s, is shown in Fig. l. l and examples of personal samplers are shown in Fig. 1. 2a, b and c and represent a single 4mm hole sampler, a seven hole sampler and a 25mm open face filter holder respectively. These three samplers are some of the most commonly used personal samplers for sampling the total airborne concentrations of workplace dusts in Britain.
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(Research into thermal convection in porous media has subs...)
Research into thermal convection in porous media has substantially increased during recent years due to its numerous practical applications. These problems have attracted the attention of industrialists, engineers and scientists from many very diversified disciplines, such as applied mathematics, chemical, civil, environmental, mechanical and nuclear engineering, geothermal physics and food science. Thus, there is a wealth of information now available on convective processes in porous media and it is therefore appropriate and timely to undertake a new critical evaluation of this contemporary information. Transport Phenomena in Porous Media contains 17 chapters and represents the collective work of 27 of the world's leading experts, from 12 countries, in heat transfer in porous media. The recent intensive research in this area has substantially raised the expectations for numerous new practical applications and this makes the book a most timely addition to the existing literature. It includes recent major developments in both the fundamentals and applications, and provides valuable information to researchers dealing with practical problems in thermal convection in porous media. Each chapter of the book describes recent developments in the highly advanced analytical, numerical and experimental techniques which are currently being employed and discussions of possible future developments are provided. Such reviews not only result in the consolidation of the currently available information, but also facilitate the identification of new industrial applications and research topics which merit further work.
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(In recent years, an increasing amount of research work ha...)
In recent years, an increasing amount of research work has been carried out on the application of the Boundary Element Method (BEM), to a growing variety of problems. The purpose of this book is to extend the range of applications of the BEM, with a view to establishing a sound basis on which to build new solution procedures with particular attention being paid to problems which arise in inverse heat conduction. The minimal energy technique has been introduced to modify the BEM for solving heat conduction problems which are improperly posed and the results indicate that excellent convergent and stable numerical approximate solutions may be obtained for various inverse heat conduction problems, which may be linear or nonlinear, steady or unsteady. Examples show that the agreement between the numerical results and the analytical solutions, where available, is excellent.
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(Harmonic and biharmonic boundary value problems (BVP) ari...)
Harmonic and biharmonic boundary value problems (BVP) arising in physical situations in fluid mechanics are, in general, intractable by analytic techniques. In the last decade there has been a rapid increase in the application of integral equation techniques for the numerical solution of such problems 1,2,3. One such method is the boundary integral equation method (BIE) which is based on Green's Formula 4 and enables one to reformulate certain BVP as integral equations. The reformulation has the effect of reducing the dimension of the problem by one. Because discretisation occurs only on the boundary in the BIE the system of equations generated by a BIE is considerably smaller than that generated by an equivalent finite difference (FD) or finite element (FE) approximation 5. Application of the BIE in the field of fluid mechanics has in the past been limited almost entirely to the solution of harmonic problems concerning potential flows around selected geometries 3,6,7. Little work seems to have been done on direct integral equation solution of viscous flow problems. Coleman 8 solves the biharmonic equation describing slow flow between two semi infinite parallel plates using a complex variable approach but does not consider the effects of singularities arising in the solution domain. Since the vorticity at any singularity becomes unbounded then the methods presented in 8 cannot achieve accurate results throughout the entire flow field.
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Ingham, Derek Binns was born on August 7, 1942 in Leeds, England. Son of George Arthur and Fanny Walton (Binns) Ingham.
Bachelor of Science, University Leeds, 1963. Doctor of Philosophy, University Leeds, 1966. Doctor of Science, University Leeds, 1981.
Doctor of Science (honorary), University Cluj, 2000.
From assistant lecturer to professor Leeds University, since 1966. Professor, personal chair University Leeds, since 1986. Instructor Massachusetts Institute of Technology, Cambridge, 1967-1968.
Head department Leeds University, 1987-1991.
(In recent years, an increasing amount of research work ha...)
(Harmonic and biharmonic boundary value problems (BVP) ari...)
(Research into thermal convection in porous media has subs...)
(Particle samplers are widely used in workplaces in order ...)
(Inverse problems may be defined broadly as problems which...)
(In general, the simplest means of inducing sedimentation ...)
Fellow Institute of Mathematics and Applications.
Married Jean Hirst, June 1, 1942. Children: Catherine Gail, Mark Andrew.