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Variation and design criterion of heat load ratio of generator for air cooled lithium bromide-water double effect absorption chiller.

Author(s) : LI Z., LIU L., LIU J.

Type of article: Article

Summary

The heat load ratio of generator (HLRG) is a special system parameter because it is not fixed at the design value but changes with the working condition. For the air cooled chiller, the deviation from the design working condition occurs easily due to the variation of the surrounding temperature. The system is likely to suffer from crystallization when the working condition is different from the designed one if the HLRG is designed improperly. Consequently, the design criterion of HLRG based on a broad range of working condition is essential and urgent to the development of air cooled lithium bromide–water double effect absorption chiller. This paper mainly deals with the variation of HLRG with the working condition as well as corresponding design criterion. Four types of double effect chillers named series, pre-parallel, rear parallel and reverse parallel flow system were considered. The parametric model was developed by the introduction of a new thermodynamic relationship of generator. The change of HLRG for different types of chillers with the working condition was analyzed and compared. The corresponding design criterion of HLRG was presented. This paper is helpful for further improvement of the performance and reliability of air cooled lithium bromide–water double effect absorption chiller.

Details

  • Original title: Variation and design criterion of heat load ratio of generator for air cooled lithium bromide-water double effect absorption chiller.
  • Record ID : 30016750
  • Languages: English
  • Source: Applied Thermal Engineering - vol. 96
  • Publication date: 2016/03/05
  • DOI: http://dx.doi.org/10.1016/j.applthermaleng.2015.11.099

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