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EVAPORATION RATES OF FREELY FALLING LIQUID NITROGEN DROPLETS IN AIR.

Author(s) : AWONORIN S. O.

Type of article: Article

Summary

THE RATES OF HEAT TRANSFER TO DROPLETS OF LIQUID NITROGEN FALLING FREELY IN AIR WERE MEASURED UNDER DIFFERENT AIR TEMPERATURES SIMILAR TO THE CONDITIONS IN A CRYOGENIC FREEZING SYSTEM. EXPERIMENTAL RESULTS WERE COMPARED TO THOSE OBTAINABLE USING OTHER TYPES OF DIMENSIONLESS CORRELATIONS. DROPLETS OF INITIAL SIZE RANGE INVESTIGATED (2.5-0.72 MM DIAMETER) ATTAINED TERMINAL VELOCITIES AT DISTANCES OF 40-60 MM FREEFALL AWAY FROM THE DROP GENERATOR TIP. THE VELOCITY VALUES USED IN THE CORRELATION OF HEAT TRANSFER DATA WERE AVERAGED OVER THE TIME TRAVELED BY INDIVIDUAL DROPLET.

Details

  • Original title: EVAPORATION RATES OF FREELY FALLING LIQUID NITROGEN DROPLETS IN AIR.
  • Record ID : 1989-2183
  • Languages: English
  • Source: Heat Transf. Eng. - vol. 10 - n. 1
  • Publication date: 1989
  • Document available for consultation in the library of the IIR headquarters only.

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