Interpretation of the exergy equation for steady-flow processes

Roland V. Siemons

Energy, 1986, vol. 11, issue 3, 237-244

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.

Date: 1986
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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:11:y:1986:i:3:p:237-244

DOI: 10.1016/0360-5442(86)90080-0

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