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DIRECT CONTACT CONDENSATION OF VAPOUR TO FALLING COOLED DROPLETS.

Author(s) : HIJIKATA K., MORI Y., KAWAGUCHI S.

Type of article: Article

Summary

THE STUDY WAS CARRIED OUT EXPERIMENTALLY AND THEORETICALLY TO UTILIZE THE SUBCOOLED STATE OF THE CONDENSED LIQUID FOR ENHANCING A HIGH PERFORMANCE CONDENSER, NAMELY THE CONDENSATE COLLECTED UPON DISKS IS SPRINKLED INTO THE SURROUNDING VAPOUR IN DROPLETS AND THE VAPOUR IS CONDENSED AROUND THEM. EXPERIMENTAL RESULTS SHOW A HEAT TRANSFER COEFFICIENT ABOUT TEN TIMES HIGHER THAN THAT OF THE SOLID SPHERE AND ABOUT FOUR TIMES HIGHER THAN THE THEORETICAL VALUE, CONSIDERING THE CIRCULATE MOTION IN THE SPHERICAL DROPLET. A THEORETICAL ANALYSIS HAS BEEN CARRIED OUT WITH ADEQUATE CONSIDERATION TO THE DEFORMING OSCILLATION OF THE DROPLET DUE TO SURFACE TENSION.

Details

  • Original title: DIRECT CONTACT CONDENSATION OF VAPOUR TO FALLING COOLED DROPLETS.
  • Record ID : 1985-1001
  • Languages: English
  • Source: International Journal of Heat and Mass Transfer - vol. 27 - n. 9
  • Publication date: 1984

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