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Performance comparison of the vapor-injection cycle in terms of branching points of the injection stream.

Number: pap. 2306

Author(s) : ROH C. W., KIM M. S.

Summary

The performance of the two types of vapor-injection (VI) cycles in a heat pump system is compared. The vapor-injection cycle using an internal heat exchanger (IHX) has a choice to select the branching point of the injection stream. The two VI cycles are different in terms of branching points of the injection stream. Different branching points of the injection stream influence the heating capacity and the COP of the heat pump system. Especially, at a given geometry of the IHX, the PEVI (post-expansion vapor-injection) cycle can increase the inject-able mass of the injection stream as well as heating performance.

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Pages: 8 p.

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Details

  • Original title: Performance comparison of the vapor-injection cycle in terms of branching points of the injection stream.
  • Record ID : 30006209
  • Languages: English
  • Source: 2012 Purdue Conferences. 14th International Refrigeration and Air-Conditioning Conference at Purdue.
  • Publication date: 2012/07/16

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