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INWARD SOLID-LIQUID PHASE-CHANGE HEAT TRANSFER IN A RECTANGULAR CAVITY WITH CONDUCTING VERTICAL WALLS.

Author(s) : HO C. J., VISKANTA R.

Type of article: Article

Summary

THIS PAPER REPORTS BASIC SOLID-LIQUID INTERFACE AND HEAT TRANSFER DATA OBTAINED DURING MELTING AND SOLIDIFICATION OF N-OCTADECANE IN A TWO-DIMENSIONAL RECTANGULAR CAVITY WITH CONDUCTING VERTICAL WALLS. DURING MELTING, A DEVELOPMENT OF VORTEX MOTION AT THE BOTTOM MELT ZONE WAS OBSERVED TO BE QUITE SIMILAR TO THAT IN A RECTANGULAR CAVITY WITH ISOTHERMAL WALLS. THE CONDUCTING WALLS ACTED AS ISOTHERMAL WALLS AT THE LATE TIMES DURING THE PROCESSES. NATURAL CONVECTION WAS FOUND TO CONTROL THE MELT SHAPE, THE MELTING RATE AND HEAT TRANSFER DURING MELTING. THE EFFECT OF THE INITIAL SUBCOOLING SHOWED THAT HEAT CONDUCTION WAS THE DOMINANT MODE OF ENERGY TRANSPORT DURING THE INWARD SOLIDIFICATION.

Details

  • Original title: INWARD SOLID-LIQUID PHASE-CHANGE HEAT TRANSFER IN A RECTANGULAR CAVITY WITH CONDUCTING VERTICAL WALLS.
  • Record ID : 1985-0528
  • Languages: English
  • Source: International Journal of Heat and Mass Transfer - vol. 27 - n. 7
  • Publication date: 1984/07

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