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Surface heat transfer during the flow of a two-phase ammonia-oil mixture in reheated coils.

[In Russian. / En russe.]

Author(s) : RASSHCHEPKIN A. N., DANILOVA G. N., AZARSKOV V. M.

Type of article: Article

Summary

Test results are presented concerning the surface heat transfer to the ammonia-oil XA-30 mixture in a plate coil with 4 tubes at various evaporation temperatures, mass concentrations and mass flow rates. The test rig is described. It is shown that the surface heat transfer to the mixture is 5 to 10 times lower than that for pure ammonia. Empirical formulae are given, for calculating local and mean surface heat-transfer coefficients, as well as pressure drops in the coil. C.C.

Details

  • Original title: [In Russian. / En russe.]
  • Record ID : 1993-1314
  • Languages: Russian
  • Source: Kholodilnaya Tekhnika - n. 9
  • Publication date: 1991
  • Document available for consultation in the library of the IIR headquarters only.

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