Record number :
Title of article :
Computation of effectiveness of two-stream heat exchanger networks based on concepts of entropy generation, entransy dissipation and entransy-dissipation-based thermal resistance
Author/Authors :
Cheng، نويسنده , , XueTao and Liang، نويسنده , , Xingang، نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 2012
Pages :
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Abstract :
The two-stream heat exchanger networks (THENs) are widely used in industry. The effectiveness of the THENs is analyzed in this paper. The general expressions for the entransy dissipation, the entransy-dissipation-based thermal resistance and the entropy generation for a generalized THEN are developed. It is found that the expressions are independent of the specific constitution of the THENs. Only the entransy-dissipation-based thermal resistance always decreases monotonously with the increase in effectiveness, while the entransy dissipation and the entropy generation do not. Therefore, the entransy-dissipation-based thermal resistance is most applicable for the optimization of the THENs.
Keywords :
Two-stream heat exchanger networks , Entransy dissipation , Effectiveness , Entropy generation , Thermal Resistance
Journal title :
Energy Conversion and Management
Journal title :
Energy Conversion and Management
Serial Year :
Link To Document :