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

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    Type
    Article
    Authors
    Myat, Aung
    Thu, Kyaw
    Kim, Youngdeuk
    CHAKRABORTY, Anutosh
    Chun, Wongee
    Ng, K. C.
    KAUST Department
    Biological and Environmental Sciences and Engineering (BESE) Division
    Water Desalination and Reuse Research Center (WDRC)
    Date
    2011-10
    Permanent link to this record
    http://hdl.handle.net/10754/561885
    
    Metadata
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    Abstract
    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.2011.04.004
    Sponsors
    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 BV
    Journal
    Applied Thermal Engineering
    DOI
    10.1016/j.applthermaleng.2011.04.004
    ae974a485f413a2113503eed53cd6c53
    10.1016/j.applthermaleng.2011.04.004
    Scopus Count
    Collections
    Articles; Biological and Environmental Science and Engineering (BESE) Division; Water Desalination and Reuse Research Center (WDRC)

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