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Second Law and Non-Equilibrium Entropy of Schottky Systems --Doubts and Verification--
Version 1
: Received: 15 August 2018 / Approved: 15 August 2018 / Online: 15 August 2018 (15:24:21 CEST)
A peer-reviewed article of this Preprint also exists.
Muschik, W. Second Law and Non-Equilibrium Entropy of Schottky Systems—Doubts and Verification–. Entropy 2018, 20, 740. Muschik, W. Second Law and Non-Equilibrium Entropy of Schottky Systems—Doubts and Verification–. Entropy 2018, 20, 740.
Abstract
Meixner's historical remark in 1969 "... it can be shown that the concept of entropy in the absence of equilibrium is in fact not only questionable but that it cannot even be defined...." is investigated from today's insight. Several statements --such as the three laws of phenomenological thermodynamics, the embedding theorem and the adiabatical uniqueness-- are used to get rid of non-equilibrium entropy as a primitive concept. In this framework, Clausius inequality of open systems can be derived by use of the defining inequalities which establish the non-equilibrium quantities contact temperature and non-equilibrium molar entropy which allow to describe the interaction between the Schottky system and its controlling equilibrium environment.
Keywords
Non-equilibrium entropy; Schottky systems; Inert partition;Second law; Contact temperature; Entropy-free thermodynamics; Defining inequalities; Adiabatical uniqueness; Clausius inequality ofopen systems
Subject
Physical Sciences, Thermodynamics
Copyright: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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