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Open AccessArticle

Energetic and Exergetic Analysis of a Heat Exchanger Integrated in a Solid Biomass-Fuelled Micro-CHP System with an Ericsson Engine

1
LAMIH (UMR CNRS 8201), University of Valenciennes (UVHC), Le Mont Houy, F-59313 Valenciennes Cedex 9, France
2
ENSIAME (Engineering School), University of Valenciennes (UVHC), Le Mont Houy, F-59313 Valenciennes Cedex 9, France
*
Author to whom correspondence should be addressed.
Academic Editor: Kevin H. Knuth
Entropy 2016, 18(4), 154; https://doi.org/10.3390/e18040154
Received: 22 October 2015 / Revised: 2 March 2016 / Accepted: 12 April 2016 / Published: 20 April 2016
(This article belongs to the Special Issue Entropy Generation in Thermal Systems and Processes 2015)
A specific heat exchanger has been developed to transfer heat from flue gas to the working fluid (hot air) of the Ericsson engine of a solid biomass-fuelled micro combined heat and power (CHP). In this paper, the theoretical and experimental energetic analyses of this heat exchanger are compared. The experimental performances are described considering energetic and exergetic parameters, in particular the effectiveness on both hot and cold sides. A new exergetic parameter called the exergetic effectiveness is introduced, which allows a comparison between the real and the ideal heat exchanger considering the Second Law of Thermodynamics. A global analysis of exergetic fluxes in the whole micro-CHP system is presented, showing the repartition of the exergy destruction among the components. View Full-Text
Keywords: micro-CHP system; biomass; heat exchanger; energetic and exergetic analysis; exergetic effectiveness micro-CHP system; biomass; heat exchanger; energetic and exergetic analysis; exergetic effectiveness
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Creyx, M.; Delacourt, E.; Morin, C.; Lalot, S.; Desmet, B. Energetic and Exergetic Analysis of a Heat Exchanger Integrated in a Solid Biomass-Fuelled Micro-CHP System with an Ericsson Engine. Entropy 2016, 18, 154.

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