Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

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

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