COUNTER FLOW HEAT EXCHANGERS' IRREVERSIBILITY MINIMIZATION
Journal Title: Academic Research International - Year 2012, Vol 3, Issue 3
Abstract
The irreversibility minimization method of heat exchanger optimization is extended to include a term to account the exergy of the material of construction of the heat exchanger. The method permits physically realistic optimization to be conducted with the resulting optimum designs providing conceptually beneficial guideposts, which do not change with time or location. Such optima are in contrast to the optima obtained by presently advocated methods, which on one hand indicate unrealistic infinite area of the heat exchangers, and on the other hand point to optima that may change dramatically with location and time. Accompanying exergetic efficiency expressions using the same type of material exergy term show physically more realistic values than the usual expressions
Authors and Affiliations
Abbas Abed
Keywords
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