Boiling Inception in Trichlorotrifluoroethane During Forced Convection at High Pressures

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  • Boiling Inception in Trichlorotrifluoroethane During Forced Convection at High Pressures Book Detail

  • Author : R. S. Dougall
  • Release Date : 1972
  • Publisher :
  • Genre : Ebullition
  • Pages : 68
  • ISBN 13 :
  • File Size : 9,9 MB

Boiling Inception in Trichlorotrifluoroethane During Forced Convection at High Pressures by R. S. Dougall PDF Summary

Book Description: The inception of bubbles during forced convection was studied experimentally by using trichlorotrifluoroethane (R-113 or Freon-113). The experiments were performed in a rectangular channel, 12.7 x 9.5 mm in cross section. Heating was from a 3.2 mm wide strip embedded in the longer side of the channel. The pressures studied ranged from 3.6 to 20.7 bar, mass velocities from 700 to 600 kg/sq m/sec, and inlet subcoolings from 26 to 97 C. Photographs of the flow were used to determine when bubbles first appeared on the heated surface. These data were compared with wall temperature measurements and inception theories. A reasonable method for calculating the complete boiling curve was found to agree with these results.

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