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Effective thermal conductivity of frost during the crystal growth period.

Author(s) : SAHIN A. Z.

Type of article: Article

Summary

An effective frost thermal conductivity for the crystal growth period of frost formation was developed based on a simple model consisting of cylindrical frost columns surrounded by moist air. The thermal conductivity of frost layer is found to be affected by the vapour diffusion inside the frost layer. The density of frost columns, on the other hand, depends on the sublimation temperature of ice crystals and the humidity ratio of air, the whole process of frost formation and the thermal conductivity of frost layer, is shown to depend on the controlling temperatures and air humidity ratio.

Details

  • Original title: Effective thermal conductivity of frost during the crystal growth period.
  • Record ID : 2001-0120
  • Languages: English
  • Source: International Journal of Heat and Mass Transfer - vol. 43 - n. 4
  • Publication date: 2000/02

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