Entropy And Its Physical Meaning  book cover
2nd Edition

Entropy And Its Physical Meaning

ISBN 9780748405695
Published August 28, 1996 by Taylor & Francis
208 Pages

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Book Description

This text gives students a clear and easily understood introduction to entropy - a central concept in thermodynamics, but one which is often regarded as the most difficult to grasp. Professor Dugdale first presents a classical and historical view of entropy, looking in detail at the scientists who developed the concept, and at how they arrived at their ideas. This is followed by a statistical treatment which provides a more physical portrait of entropy, relating it to disorder and showing how physical and chemical systems tend to states of order at low temperatures. Dugdale includes here a brief account of some of the more intriguing manifestations of order in properties such as superconductivity and superfluidity.Entropy and Its Physical Meaning also includes a number of exercises which can be used for both self- learning and class work. It is intended to provide a complete understanding of the concept of entropy, making it valuable reading for undergraduates in physics, physical sciences and engineering, and for students studying thermodynamics within other science courses such as meteorology, biology and medicine.

Table of Contents

Part 1 Entropy in thermodynamics: temperature and heat - some historical developments; temperature and heat - a different approach; the first law of thermodynamics; the second law of thermodynamics; entropy - how it is measured and how it is used; entropy in irreversible changes. Part 2 The statistical interpretation of entropy: the statistical approach - a specific example; general ideas and development; the definition of a microstate; temperature and entropy in statistical mechanics; applications to solids; applications to gases - 1 - the classical approximation, 2 - Bose Einstein and Fermi-Dirac gases; fluctuation and Maxwell's demon. Part 3 Entropy at low temperatures: the third law of thermodynamics; low temperatures; the third law of thermodynamics and the unattainability of absolute zero.

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Sydney Dugdale is Professor Emeritus in the Department of Physics, University of Leeds.