A second law analysis and entropy generation minimization of an absorption chiller
Type
ArticleKAUST Department
Biological and Environmental Sciences and Engineering (BESE) DivisionWater Desalination and Reuse Research Center (WDRC)
Date
2011-10Permanent link to this record
http://hdl.handle.net/10754/561885
Metadata
Show full item recordAbstract
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. © 2011 Elsevier Ltd. All rights reserved.Citation
Myat, A., Thu, K., Kim, Y.-D., Chakraborty, A., Chun, W. G., & Ng, K. C. (2011). A second law analysis and entropy generation minimization of an absorption chiller. Applied Thermal Engineering, 31(14-15), 2405–2413. doi:10.1016/j.applthermaleng.2011.04.004Sponsors
The authors express their gratitude to the following agencies for their financial support, namely (i) the A*STAR (Singapore Grant No. R265-000-287-305) and (ii) the World Class University (WCU) Program of Korea R-33-2009-000-10101660, Jeju National University, Korea.Publisher
Elsevier BVJournal
Applied Thermal Engineeringae974a485f413a2113503eed53cd6c53
10.1016/j.applthermaleng.2011.04.004