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Physical insight into the burnout region of water-subcooled flow boiling.

Author(s) : CELATA G. P., CUMO M., MARIANI A., ZUMMO G.

Type of article: Article

Summary

From video images, the following general behaviour of vapour bubbles was observed: when the rate of bubble generation is increasing, with bubbles growing in the superheated layer close to the heating wall, their coalescence produces a sort of elongated bubble called a vapour blanket. One of the main features of the vapour blanket is that it is rooted to the nucleation site on the heated surface. Bubble dimensions, as well as those of the hot spots, are given as a function of thermal-hydraulic tested conditions.

Details

  • Original title: Physical insight into the burnout region of water-subcooled flow boiling.
  • Record ID : 1999-2186
  • Languages: English
  • Source: Rev. gén. Therm. - vol. 37 - n. 6
  • Publication date: 1998/06

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