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The Exergy Fields in Transport Processes: Their Calculation and Use

DOI: 10.1615/ICHMT.2004.IntThermSciSemin.140
pages 155-169

Wladimir Sarmiento-Darkin
Department of Mechanical Engineering and Applied Mechanics, University of Pennsylvania, Philadelphia, PA, USA

Hassan S. Al-Sharqawi
Department of Mechanical Engineering and Applied Mechanics, University of Pennsylvania, Philadelphia, PA, USA; Current address: Medina College of Technology, P.O. Box 1593, Medina, Saudi Arabia


This paper is a brief review of the method for analyzing the space and time dependent exergy and irreversibility fields in processes. It presents the basic equations, the method for their use, major literature sources, and three examples from the authors' work: flow desiccation, combustion of oil droplets, and combustion of pulverized coal. Conclusions from this Second Law analysis are used to attempt process improvement suggestions.

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