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An Effective Flux Framework for Linear-Irreversible Heat Engines: The Case Study of a Thermoelectric Generator
Version 1
: Received: 25 December 2023 / Approved: 26 December 2023 / Online: 26 December 2023 (07:49:57 CET)
A peer-reviewed article of this Preprint also exists.
Kaur, J.; Johal, R.S. An Effective Flux Framework for Linear Irreversible Heat Engines: Case Study of a Thermoelectric Generator. Entropy 2024, 26, 219. Kaur, J.; Johal, R.S. An Effective Flux Framework for Linear Irreversible Heat Engines: Case Study of a Thermoelectric Generator. Entropy 2024, 26, 219.
Abstract
We consider an autonomous heat engine in simultaneous contact with a hot and a cold reservoir, and described within a linear-irreversible framework. In the tight-coupling approximation, the rate of entropy generation is effectively written in terms of a single thermal flux which is a homogeneous function of the hot and cold fluxes. The specific algebraic forms of the effective flux are deduced in scenarios containing internal and external irreversibilities for the typical example of a thermoelectric generator.
Keywords
Thermoelectricity; Nonequilibrium phenomena; Linear-irreversible thermodynamics; Effective flux
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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