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Visualization study of enhanced flash boiling of R22 with 5 mm steel and glass spheres.

Author(s) : NUTTER D. W., O'NEAL D. L.

Summary

The paper presents the qualitative results and discussion from an experimental investigation of passible enhanced flash boiling of R22 (an HCFC) from a small vessel. The experiments were designed to simulate the flash boiling process that occurs within the refrigerant accumulator of air-source heat pumps during the reverse-cycle defrost. It is shown that the enhancement method with glass and steel spheres increased the rate of total vapour production by 24-55% in the receiver when exposed to a rapid depressurization.

Details

  • Original title: Visualization study of enhanced flash boiling of R22 with 5 mm steel and glass spheres.
  • Record ID : 1999-2938
  • Languages: English
  • Source: ASHRAE Transactions. 1998 Winter Meeting, San Francisco, CA.
  • Publication date: 1998
  • Document available for consultation in the library of the IIR headquarters only.

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