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The question of how much work is lost in an adiabatic turbine due to its irreversibilities finds different answers when discussed on basis of the isentropic efficiency, or with the exergy method. In this contribution, we seek to clarify why the two viewpoints lead to quite distinct results for the lost work. In particular, we discuss how the ''reversible work'' of the exergy method could be realized...
In general the field of exergy analysis is both well formulated and well understood. However, the exergy flux, or maximum work obtainable, from thermal radiation (TR) heat transfer has not been clearly formulated. In a previous article it was shown that Petela's result, from his thermodynamic approach, does in fact represent the exergy flux of blackbody radiation (BR) and the upper limit to the conversion...
Exergy analysis is a highly effective method of analysis for thermal processes because it provides insight that cannot be obtained from energy analysis alone. In general the field of exergy analysis is both well formulated and well understood. However, the exergy flux, or the maximum work obtainable, from thermal radiation (TR) heat transfer has not been clearly formulated. Several researchers claim...
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