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Natural Locomotion in Fluids and on Surfaces - Swimming, Flying, and Sliding (Paperback, 2012 ed.): Stephen Childress, Anette... Natural Locomotion in Fluids and on Surfaces - Swimming, Flying, and Sliding (Paperback, 2012 ed.)
Stephen Childress, Anette Hosoi, William W. Schultz, Jane Wang
R2,969 Discovery Miles 29 690 Ships in 10 - 15 working days

This volume developed from a Workshop on Natural Locomotion in Fluids and on Surfaces: Swimming, Flying, and Sliding which was held at the Institute for Mathematics and its Applications (IMA) at the University of Minnesota, from June 1-5, 2010. The subject matter ranged widely from observational data to theoretical mechanics, and reflected the broad scope of the workshop. In both the prepared presentations and in the informal discussions, the workshop engaged exchanges across disciplines and invited a lively interaction between modelers and observers. The articles in this volume were invited and fully refereed. They provide a representative if necessarily incomplete account of the field of natural locomotion during a period of rapid growth and expansion. The papers presented at the workshop, and the contributions to the present volume, can be roughly divided into those pertaining to swimming on the scale of marine organisms, swimming of microorganisms at low Reynolds numbers, animal flight, and sliding and other related examples of locomotion.

Stretch, Twist, Fold: The Fast Dynamo (Paperback, Softcover reprint of the original 1st ed. 1995): Stephen Childress, Andrew D.... Stretch, Twist, Fold: The Fast Dynamo (Paperback, Softcover reprint of the original 1st ed. 1995)
Stephen Childress, Andrew D. Gilbert
R1,598 Discovery Miles 15 980 Ships in 10 - 15 working days

The study of the magnetic fields of the Earth and Sun, as well as those of other planets, stars, and galaxies, has a long history and a rich and varied literature, including in recent years a number of review articles and books dedicated to the dynamo theories of these fields. Against this background of work, some explanation of the scope and purpose of the present monograph, and of the presentation and organization of the material, is therefore needed. Dynamo theory offers an explanation of natural magnetism as a phenomenon of magnetohydrodynamics (MHD), the dynamics governing the evolution and interaction of motions of an electrically conducting fluid and electromagnetic fields. A natural starting point for a dynamo theory assumes the fluid motion to be a given vector field, without regard for the origin of the forces which drive it. The resulting kinematic dynamo theory is, in the non-relativistic case, a linear advection-diffusion problem for the magnetic field. This kinematic theory, while far simpler than its magnetohydrodynamic counterpart, remains a formidable analytical problem since the interesting solutions lack the easiest symmetries. Much ofthe research has focused on the simplest acceptable flows and especially on cases where the smoothing effect of diffusion can be exploited. A close analog is the advection and diffusion of a scalar field by laminar flows, the diffusion being measured by an appropriate Peclet number. This work has succeeded in establishing dynamo action as an attractive candidate for astrophysical magnetism.

Natural Locomotion in Fluids and on Surfaces - Swimming, Flying, and Sliding (Hardcover, 2012 ed.): Stephen Childress, Anette... Natural Locomotion in Fluids and on Surfaces - Swimming, Flying, and Sliding (Hardcover, 2012 ed.)
Stephen Childress, Anette Hosoi, William W. Schultz, Jane Wang
R3,002 Discovery Miles 30 020 Ships in 10 - 15 working days

This volume developed from a Workshop on Natural Locomotion in Fluids and on Surfaces: Swimming, Flying, and Sliding which was held at the Institute for Mathematics and its Applications (IMA) at the University of Minnesota, from June 1-5, 2010. The subject matter ranged widely from observational data to theoretical mechanics, and reflected the broad scope of the workshop. In both the prepared presentations and in the informal discussions, the workshop engaged exchanges across disciplines and invited a lively interaction between modelers and observers. The articles in this volume were invited and fully refereed. They provide a representative if necessarily incomplete account of the field of natural locomotion during a period of rapid growth and expansion. The papers presented at the workshop, and the contributions to the present volume, can be roughly divided into those pertaining to swimming on the scale of marine organisms, swimming of microorganisms at low Reynolds numbers, animal flight, and sliding and other related examples of locomotion.

Construction of Steady-state Hydrodynamic Dynamos. I. Spatially Periodic Fields (Paperback): Stephen Childress Construction of Steady-state Hydrodynamic Dynamos. I. Spatially Periodic Fields (Paperback)
Stephen Childress
R420 Discovery Miles 4 200 Ships in 10 - 15 working days
Mechanics of Swimming and Flying (Paperback): Stephen Childress Mechanics of Swimming and Flying (Paperback)
Stephen Childress
R1,477 Discovery Miles 14 770 Ships in 10 - 15 working days

Provides a summary of the fluid dynamics of the locomotion of living organisms. Describes biological phenomena in detail from the swimming of bacteria and fish to the flying of insects and birds.

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