Multi-Bed Multi-Stage Adsorption Refrigeration Cycle-Reducing Driving Heat Source Temperature

DOI Web Site 参考文献17件
  • ALAM K.C.Amanul
    Graduate School of Bio-Applications and Systems Engineering, Tokyo University of Agri. & Tech.
  • AKAHIRA Akira
    Graduate School of Bio-Applications and Systems Engineering, Tokyo University of Agri. & Tech.
  • HAMAMOTO Yoshinori
    Department of Mechanical Systems Engineering, Tokyo Univ. of Agri. & Tech.
  • AKISAWA Atsushi
    Graduate School of Bio-Applications and Systems Engineering, Tokyo University of Agri. & Tech.
  • KASHIWAGI Takao
    Graduate School of Bio-Applications and Systems Engineering, Tokyo University of Agri. & Tech.
  • SAHA Bidyut Baran
    Institute of Advanced Material Study, Kyushu University
  • KOYAMA Shigeru
    Institute of Advanced Material Study, Kyushu University
  • NG Kim Choon
    National University of Singapore
  • CHUA Hui Tong
    National University of Singapore

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The study aims at designing a multi-bed multi-stage adsorption chiller that can be driven by waste heat at near ambient temperature. The chiller is designed such a way that it can be switched into different modes depending on the driving heat source temperature. Stage regeneration techniques have been applied to operate the chiller by relatively low temperature heat source. Driving heat source temperature is validated by simulated data and the performances obtained from different modes are compared. In terms of COP (Coefficient of performance),the chiller shows best performance in conventional single-stage mode for driving heat source temperature greater than 60°C, two stage mode for driving source temperature between 42 and 60°C,in three-stage mode for driving source temperature less than 42°C. In terms of cooling capacity, it shows the best performance in single-stage mode for heat source temperature greater than 70°C. The mass recovery process in single-stage mode is also examined. It is seen that the mass recovery process improve cooling capacity significantly, specially for the low regenerating temperature region.

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