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Theoretical study on a frost-free household refrigerator-freezer.

Number: pap. 31

Author(s) : ZHANG L., FUJINAWA T., KAIDA T., et al.

Summary

This study deals with a frost-free household refrigerator-freezer, in which frosting can be retarded by dehumidifying the air before it enters the evaporator of the refrigerator-freezer via a desiccant-coated heat exchanger. Because the desiccant can be regenerated via the condensation heat of the refrigerant (which is exhausted into ambient air in conventional household refrigerator-freezers), the proposed system can achieve high energy efficiency. Calculations show that the coefficient of performance of this system (COP) is within the range 1.5 ~ 2.5 at an ambient temperature of 15 ~ 35 ºC. Moreover, calculation results show that the COP of the proposed frost-free system is increased by 6~17% compared to the conventional system.

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Details

  • Original title: Theoretical study on a frost-free household refrigerator-freezer.
  • Record ID : 30023380
  • Languages: English
  • Source: 5th IIR International Conference on Sustainability and the Cold Chain. Proceedings: Beijing, Chine, 6-8 avril 2018
  • Publication date: 2018/04/06
  • DOI: http://dx.doi.org/10.18462/iir.iccc.2018.0031

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