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Study of water-cooled auto-cascade refrigeration cycle with a low temperature of -60 °C.

[In Chinese. / En chinois.]

Author(s) : YANG Y., YANG Z., LIU B.

Type of article: Article

Summary

A new water-cooled auto-cascade refrigeration cycle (WACR) using a binary refrigerant mixture is presented, which adopts a condenser-phase separator instead of a condenser and an evaporative separator in traditional auto-cascade refrigeration cycle. In condenser phase separator, high boiling point refrigerant can be condensed, and high boiling point and low boiling point refrigerants can be separated. Characteristics of four binary refrigerant mixtures (R22 / R23, R290 / R170, R134a / R23, and R134a / R170) circulation were analyzed. And the WACR using R22 / R23 and R134a / R23 were studied experimentally. In the same condition, the COP of WACR using R22 / R23 is higher than that of the WACR system using R134a / R23. Compared with the traditional system, COP of the new water-cooled auto-cascade refrigeration cycle (WACR) is higher from 60% to 100%.

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Pages: 52-58

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Details

  • Original title: [In Chinese. / En chinois.]
  • Record ID : 30020623
  • Languages: Chinese
  • Source: Journal of Refrigeration - vol. 36 - n. 162
  • Publication date: 2015/04

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