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MELTING OF FROZEN, POROUS MEDIA CONTAINED IN A HORIZONTAL OR A VERTICAL, CYLINDRICAL CAPSULE.

Author(s) : WEAVER J. A., VISKANTA R.

Type of article: Article

Summary

QUANTITATIVE RESULTS OF THE TEMPERATURE DISTRIBUTION AND SOLID -LIQUID INTERFACE MOTION AND SHAPE WERE OBTAINED FOR INWARD MELTING WITH DIFFERENT SIZE AND TYPES OF SPHERICAL BEADS USED AS THE POROUS MEDIA. PREDICTIONS FROM AN ANALYSIS WHICH CONSIDERS CONDUCTION AS THE ONLY MODE OF HEAT TRANSFER IN BOTH THE SOLID AND LIQUID WERE COMPARED TO EXPERIMENTAL DATA. IT WAS FOUND THAT THE MELTING RATE WAS AUGMENTED BY NATURAL CONVECTION IN THE LIQUID. FOR LARGE DIFFERENCES IN THE THERMAL CONDUCTIVITY OF THE PHASE-CHANGE MATERIAL AND POROUS MEDIUM (EG WATER AND ALUMINIUM), THE EFFECTIVE THERMAL CONDUCTIVITY OF THE SYSTEM WAS NOT PREDICTED ACCURATELY.

Details

  • Original title: MELTING OF FROZEN, POROUS MEDIA CONTAINED IN A HORIZONTAL OR A VERTICAL, CYLINDRICAL CAPSULE.
  • Record ID : 1987-2133
  • Languages: English
  • Source: International Journal of Heat and Mass Transfer - vol. 29 - n. 12
  • Publication date: 1986

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