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RESEARCH PAPERS

Fundamentals of Exergy Cost Accounting and Thermoeconomics Part II: Applications

[+] Author and Article Information
A. Valero, L. Serra

 CIRCE Foundation (Centre of Research for Energy Resources and Consumptions)/University of Zaragoza, c/María de Luna 3, 50018 Zaragoza, Spainjaviuche@unizar.es

J. Uche1

 CIRCE Foundation (Centre of Research for Energy Resources and Consumptions)/University of Zaragoza, c/María de Luna 3, 50018 Zaragoza, Spainjaviuche@unizar.es

1

Corresponding author.

J. Energy Resour. Technol 128(1), 9-15 (Jul 08, 2005) (7 pages) doi:10.1115/1.2134731 History: Received February 28, 2005; Revised July 08, 2005

Part II of this paper develops the mathematical formulations of three applications of the thermoeconomic analysis methodology described in Part I of the paper: the operation diagnosis study, including new concepts that helps to separate different contributions to those inefficiencies; the local optimization process in case of special conditions for the whole plant, and the benefit maximization (a direct application of the exergy costs accounting analysis). The operation diagnosis, which is the most complex and sophisticated application, is presented with the help of an example: the co-generation plant, as it was described in Part I.

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Copyright © 2006 by American Society of Mechanical Engineers
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Grahic Jump Location
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Fuel impact and technical saving

Grahic Jump Location
Figure 2

Malfunction and fuel impact

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