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Evaluation of the cooling performance of a consolidated expanded graphite-calcium chloride reactive bed for chemisorption icemaker.

Author(s) : OLIVEIRA R. G., WANG R. Z., WANG C.

Type of article: Article, IJR article

Summary

The cooling performance of a consolidated composite reactive bed made from expanded graphite impregnated with CaCl2 was experimentally assessed under different evaporation and heat sink temperatures. The compound presented a specific cooling power (SCP) higher than 1000 W/kg(salt) at several studied conditions. The calculated COP was about 0.35 when the amount of refrigerant consumed in the reaction was 0.80 kg/kg(salt). Both SCP and COP changed with the cycle time, and thus, with the degree of the reaction. The synthesis time to maximise the SCP, under any studied condition, was about 5 min, and the absorbed quantity greatly varied among the different operation conditions. When compared to the time necessary to obtain an absorbed amount of 0.80 kg/kg(salt), the synthesis time of 5 min could improve the SCP in about 15-68%, however, COP would be deployed in about 14-50%.

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Pages: 103-112

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Details

  • Original title: Evaluation of the cooling performance of a consolidated expanded graphite-calcium chloride reactive bed for chemisorption icemaker.
  • Record ID : 2006-3042
  • Languages: English
  • Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 30 - n. 1
  • Publication date: 2007/01

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