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Split heat pipe type compound adsorption ice making test unit for fishing boats.

Author(s) : WANG L. W., WANG R. Z., LU Z. S., et al.

Type of article: Article, IJR article

Summary

In order to settle the problem of the corrosion between sea water and the steel adsorber for ammonia system, a split heat pipe type adsorption ice making test unit, which use compound adsorbent of CaCl2 and activated carbon to improve the adsorption performance, is designed and constructed. For this test unit there is mass recovery function between two beds and the CaCl2 in compound adsorbent per bed is 1.88 kg, and there is only one pump for the whole heating and cooling phase for adsorbers. Performances of this system are tested; the lowest evaporating temperature is as low as -42°C. At the evaporating temperature of -35 and -25°C, the cooling powers are 0.89 and 1.18 kW, respectively. At the evaporating temperature of -15°C, its average cooling power is 1.37 kW, which corresponds to a COP of 0.41 and a specific cooling power (SCP) per kilogram CaCl2 of each adsorber of 731 W/kg. The mass recovery process has improved the SCP and COP for the system by 15.5 and 24.1%, respectively. Heat transfer performance is also improved by the split heat pipe construction; the average heat transfer coefficient for a whole cycle is 155.8 W m2/°C.

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Pages: 456-468

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Details

  • Original title: Split heat pipe type compound adsorption ice making test unit for fishing boats.
  • Record ID : 2006-1494
  • Languages: English
  • Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 29 - n. 3
  • Publication date: 2006/05

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