Interpretation of the exergy equation for steady-flow processes

R.V. Siemons

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Abstract

We define and discuss the terms in exergy equations, with particular reference to the role of chemical terms in the exergy loss for steady-flow processes. Although there is a chemical contribution to exergy, exergy losses of steady-flow processes may be calculated by using a simple expression for the specific exergy, namely, b = h − T*s. No restrictions are found in the material flows involved. The necessity of prescribing a standard chemical reference environment is considered and rejected. Instead, a sign convention for material flows is proposed. Finally, some results of Brzustowski's calculations are reviewed and discussed.
Original languageUndefined
Pages (from-to)237-244
JournalEnergy
Volume11
Issue number3
DOIs
Publication statusPublished - 1986

Keywords

  • IR-69700

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