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HEAT TRANSFER DURING FORCED CONVECTION BOILING OF R12 UNDER SWIRL FLOW.

Author(s) : AGRAWAL K. N., VARMA H. K., LAL S.

Type of article: Article

Summary

TWISTED TAPES WERE USED TO CREATE SWIRL MOTION DURING THE FLOW BOILING INSIDE AN EVAPORATOR TUBE OF 10 MM INTERNAL DIAMETER. AVERAGE HEAT TRANSFER COEFFICIENTS HAVE BEEN DETERMINED FOR 60 RUNS CORRESPONDING TO THREE HEAT FLUXES, FIVE MASS VELOCITIES, AND FOUR TWIST RATIOS. SWIRL FLOW HEAT TRANSFER COEFFICIENTS HAVE BEEN FOUND TO BE GREATER THAN THE CORRESPONDING PLAIN FLOW VALUES. AN EMPIRICAL CORRELATION WHICH PREDICTS THE AVERAGE SWIRL FLOW HEAT TRANSFER COEFFICIENTS WITHIN + OR -30 PERCENT OF THE EXPERIMENTALLY OBSERVED VALUES HAS BEEN SUCCESSFULLY DEVELOPED.

Details

  • Original title: HEAT TRANSFER DURING FORCED CONVECTION BOILING OF R12 UNDER SWIRL FLOW.
  • Record ID : 1987-0449
  • Languages: English
  • Source: J. Heat Transf. - vol. 108 - n. 3
  • Publication date: 1986/08
  • Document available for consultation in the library of the IIR headquarters only.

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