Irreversibility. Energy. Carnot factor. Closed system
Exergy analysis

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BE8015 V1 Article

Irreversibility. Energy. Carnot factor. Closed system
Exergy analysis

Authors : Riad BENELMIR, André LALLEMAND, Michel FEIDT

Review date: September 4, 2025 | Lire en français

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3. Irreversibility. Energy. Carnot factor. Closed system

It is possible to express the exergy variation of a closed system as a function of the energies exchanged with the surrounding environment using the first and second principles of thermodynamics, i.e. :

ΔEn = Q + W ( 14 )
ΔS=δQT+Sp ( 15 )

with :

Q...
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