2016
DOI: 10.1590/1806-9126-rbef-2016-0085
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Entropy production in a heat conduction problem

Abstract: Heat conduction along an isolated bar placed between two reservoirs at different temperatures is studied. The entropy production is considered in detail with two different approaches. In the first one, the whole system (the bar and the two reservoirs) is analysed in the steady state with the help of standard thermodynamics. In the second one, the bar is divided into n cells and a simple finite difference method is used to evaluate the time evolution of the entropy production. This approach is useful because th… Show more

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Cited by 1 publication
(2 citation statements)
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“…In the stationary state, entropy is produced at a steady rate. According to the usual textbook analysis, the rate of entropy production, S t d d , can be expressed as [13,14]…”
Section: Entropy Production In the Barmentioning
confidence: 99%
See 1 more Smart Citation
“…In the stationary state, entropy is produced at a steady rate. According to the usual textbook analysis, the rate of entropy production, S t d d , can be expressed as [13,14]…”
Section: Entropy Production In the Barmentioning
confidence: 99%
“…As highlighted in [13], there are two ways of computing the entropy production in the discrete representation of the conducting bar system. The first is from a global analysis of heat Results are averaged over 50 repetitions.…”
Section: H Lmentioning
confidence: 99%