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On the validity of the adiabatic spreading assumption droplet impact cooling.

Author(s) : HEALY W. M., HARTLEY J. G., ABDEL-KHALIK S. I.

Type of article: Article

Summary

The effect of heat transfer on the spreading of a water droplet impacting a heated surface has been numerically investigated. The aim is to assess the validity of commonly made assumptions in spray cooling models, which ignore heat transfer during the droplet spreading period. The results of this study indicate that while the amount of heat transfer during the droplet spreading period may, itself, be small, its impact on the liquid coverage area and the subsequent heat transfer to the resulting liquid film may be substantial.

Details

  • Original title: On the validity of the adiabatic spreading assumption droplet impact cooling.
  • Record ID : 2002-1782
  • Languages: English
  • Source: International Journal of Heat and Mass Transfer - vol. 44 - n. 20
  • Publication date: 2001/10

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