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Please use this identifier to cite or link to this item: http://hdl.handle.net/2080/167

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contributor.authorSahoo, R K-
date.accessioned2005-10-21T13:32:00Z-
date.available2005-10-21T13:32:00Z-
date.issued1989-
identifier.citationCryogenics, Vol 29, Iss 1, P 59-64en
identifier.urihttp://hdl.handle.net/2080/167-
descriptionCopyright for this article belongs to Elsevier Science Ltd http://dx.doi.org/10.1016/0011-2275(89)90013-1en
description.abstractThis Paper presents Second Law of Thermodynamics analysis techniques for sensible refrigeration energy storage units with non-adiabatic boundaries. The investigation is based on the minimization of entropy production due to a finite temperature difference. The results of this study indicate three basic points: 1, in the presence of heat leaks, the irreversibility rate is more than in its absence; 2, the increase in irreversibility due to heat leaks reduces the effective N(sub)tu exponentially; 3, there exists a dimensionless optimum time parameter which relates two other fundamental dimensionless parameters for the maximization of useful work stored. These fundamental parameters are N(sub)tu associated with heat flow across the non-adiabatic wall and N(sub)tu of the storage unit. These points suggest that the leakage heat affects the entropy production adversely and hence it should be kept at a minimum.en
format.extent743131 bytes-
format.mimetypeapplication/pdf-
language.isoen-
publisherElsevieren
subjectrefrigerationen
subjectheat leaksen
subjectthermodynamicsen
titleExergy maximization in refrigeration storage units with heat leaken
typeArticleen
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