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A second law analysis and entropy generation minimization of an absorption chiller.

Author(s) : MYAT A., THU K., KIM Y. D., et al.

Type of article: Article

Summary

This paper presents performance analysis of absorption refrigeration system (ARS) using an entropy generation analysis. A numerical model predicts the performance of absorption cycle operating under transient conditions along with the entropy generation computation at assorted heat source temperatures, and it captures also the dynamic changes of lithium bromide solution properties such as concentration, density, vapor pressure and overall heat transfer coefficients. An optimization tool, namely the genetic algorithm (GA), is used as to locate the system minima for all defined domain of heat source and cooling water temperatures. The analysis shows that minimization of entropy generation the in absorption cycle leads to the maximization of the COP. [Reprinted with permission from Elsevier. Copyright, 2011].

Details

  • Original title: A second law analysis and entropy generation minimization of an absorption chiller.
  • Record ID : 30005225
  • Languages: English
  • Source: Applied Thermal Engineering - vol. 31 - n. 14-15
  • Publication date: 2011/10
  • DOI: http://dx.doi.org/10.1016/j.applthermaleng.2011.04.004

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