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Effect of adsorbent on the performance of double effect adsorption refrigeration cycle with adsorption heat recovery.

Author(s) : AKISAWA A., TAMOGAMI A., TAKEDA N., NAKAYAMA M., NATSUI T.

Type of article: IJR article

Summary

This study investigates the performance of double effect adsorption refrigeration cycle that utilizes the adsorption heat of a high-temperature adsorbent heat exchanger for desorption of a low-temperature one. Because there is a freedom to select an adsorbent for each adsorbent heat exchanger, the combination of adsorbents such as silica gel, FAM-Z01, FAM-Z02 and FAM-Z05 were examined. The temperature of an external heat source was assumed to be 90°C. Dynamic cycle simulation was employed to estimate the performance in terms of coefficient of performance (COP) and specific cooling power (SCP). The results show that the combination of the adsorbents FAM-Z01 and FAM-Z02 for the low-temperature heat exchanger and high-temperature one, respectively, is the most effective to achieve high COP as well as high SCP. The results also indicate that the COP=1.0 is attainable when the mass allocation of the adsorbents and the cycle time are selected appropriately. From the viewpoint of maximizing the cooling power, COP=0.9 is suggested for the best design, where the mass of high-temperature side is equal to the mass of low-temperature side.

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Pages: 21-30

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Details

  • Original title: Effect of adsorbent on the performance of double effect adsorption refrigeration cycle with adsorption heat recovery.
  • Record ID : 30030157
  • Languages: English
  • Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 141
  • Publication date: 2022/09
  • DOI: http://dx.doi.org/10.1016/j.ijrefrig.2022.06.012
  • Document available for consultation in the library of the IIR headquarters only.

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