Application of the Second Law Analysis to a Heat Exchanger Working with Ethanol/Water Ice Slurry

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International Journal of Thermodynamics
Volume:7 Issue:4
Application of the Second Law Analysis to a Heat Exchanger Working with Ethanol/Water Ice Slurry

Application of the Second Law Analysis to a Heat Exchanger Working with Ethanol/Water Ice Slurry

Authors : Françoise STRUB, Jean CASTAİNGLASVİGNOTTES, Jeanpierre BÉDÉCARRATS, Christophe PEUVREL

Pages : 183-188

View : 96 | Download : 6

Publication Date : 2004-12-01

Article Type : Research Paper

Abstract :The use of ice slurries as secondary refrigerants is a very promising technology. The aim of this paper is to evaluate the contribution of second law analysis to the study of a phase changing secondary refrigerant in cooling systems. The first step of the work presented here consists of two parts: the first involves the calculation of enthalpies and entropies and the second is an entropy/exergy analysis of a heat exchanger. This work attempts to provide a thermodynamic criterion in order to choose the kind of fluid and the inflow conditions that are more suitable for a particular application. It presents the establishment of the method and the results that have been obtained for an ethyl alcohol-water mixture.
Keywords : ice slurry, ethanol water ice slurry, exergy, binary mixture, second law analysis, specific entropy

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