Thermodynamics: Generalized Available Energy and Availability or Exergy

doi:10.1017/CBO9780511976049.005

1 - Thermodynamics: Generalized Available Energy and Availability or Exergy

Published online by Cambridge University Press: 01 June 2011

Elias P. Gyftopoulos

Edited by

Bhavik R. Bakshi ,

Timothy G. Gutowski and

Dušan P. Sekulić

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Elias P. Gyftopoulos: Affiliation:
Massachusetts Institute of Technology
Bhavik R. Bakshi: Affiliation:
Ohio State University
Timothy G. Gutowski: Affiliation:
Massachusetts Institute of Technology
Dušan P. Sekulić: Affiliation:
University of Kentucky

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Summary

Introduction

Ever since Clausius postulated that “the energy of the universe is constant” and “the entropy of the universe strives to attain a maximum value,” practically every scientist and engineer shares the beliefs that: (i) Thermodynamics is a statistical theory, restricted to phenomena in macroscopic systems in thermodynamic equilibrium states; and (ii) entropy – the concept that distinguishes thermodynamics from mechanics – is a statistical measure of ignorance, ultimate disorder, dispersion of energy, erasure of information, or other causes, and not an inherent property of matter like rest mass, energy, etc.

These beliefs stem from the conviction that the “known laws” of mechanics (classical or conventional quantum) are the ultimate laws of physics and from the fact that statistical theories of thermodynamics yield accurate and practical numerical results about thermodynamic equilibrium states.

Notwithstanding the conviction and excellent numerical successes, the almost-universal efforts to compel thermodynamics to conform to statistical and other nonphysical explanations, and to restrict it only to thermodynamic equilibrium states [1–3] are puzzling in the light of many accurate, reproducible, and nonstatistical experiences and many phenomena that cannot possibly be described in terms of thermodynamic equilibrium states.

Since the advent of thermodynamics, many academics and practitioners have questioned the clarity, unambiguity, and logical consistency of traditional expositions of the subject.

Type: Chapter
Information: Thermodynamics and the Destruction of Resources , pp. 15 - 44

DOI: https://doi.org/10.1017/CBO9780511976049.005 [Opens in a new window]

Publisher: Cambridge University Press

Print publication year: 2011

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