2003•Journal of North China Electric Power UniversityRequires access

Generalized expressions of exergy and its various forms

Shun’an Wei

Abstract

The generalized expressions of Exergy and its applications are discussed based on Thermodynamic Laws and exergy's definition. The heat exergy, pressure exergy, and chemical exergy are consequentially related with the variation of system entropy. It is indicated that the parlance of If there is no transferring or transforming of heat, there will be no increase of entropy in the process is incorrect.

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Key concepts: Exergy, Entropy (arrow of time), Thermodynamics, Exergy efficiency, Second law of thermodynamics, Laws of thermodynamics, Process engineering, Mathematics