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Entropy 2010, 12(2), 243-261; doi:10.3390/e12020243
Article

Improvement of Energy Conversion/Utilization by Exergy Analysis: Selected Cases for Non-Reactive and Reactive Systems

 and
*
Dipartimento di Energetica “Sergio Stecco”, Università degli Studi di Firenze, Via C. Lombroso 6/17, 50135 Firenze, Italy
* Author to whom correspondence should be addressed.
Received: 29 December 2009 / Revised: 2 February 2010 / Accepted: 4 February 2010 / Published: 5 February 2010
(This article belongs to the Special Issue Exergy: Analysis and Applications)
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Abstract

Exergy analysis is a powerful and systematic tool for the improvement of energy systems, with many possible applications in both conversion and utilization of energy. Here we present selected applications, with a special attention to renewable energy systems (solar), covering both design and operation/control. After these applications to non-reactive systems, potential ways of reducing the large irreversibilities connected to reactive systems (combustion) are considered, with special reference to chemically-recuperated gas turbine cycles and topping high-temperature fuel cells.
Keywords: exergy; optimization; energy systems exergy; optimization; energy systems
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).
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Fiaschi, D.; Manfrida, G. Improvement of Energy Conversion/Utilization by Exergy Analysis: Selected Cases for Non-Reactive and Reactive Systems. Entropy 2010, 12, 243-261.

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