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SOLIDIFICATION IN FINITE BODIES WITH PRESCRIBED HEAT FLUX: BOUNDS FOR THE FREEZING TIME AND REMOVED ENERGY.

Author(s) : CHARACH C., KAHN P. B.

Type of article: Article

Summary

ONE-DIMENSIONAL, CONDUCTION-CONTROLLED SOLIDIFICATIONOF INITIALLY OVERHEATED SLABS, AND CYLINDRICAL AND SPHERICAL SHELLS WITH INSULATED INNER WALLS IS CONSIDERED. THE HEAT FLUX FROM THE OUTER FACE IS TAKEN TO BE CONSTANT OR MONOTONICALLY DECREASING IN TIME. THE AUTHORS DERIVE SUFFICIENTLY SIMPLE AND TIGHT UPPER AND LOWER BOUNDS FOR THE FULL FREEZING TIME AND THE EXTRACTED ENERGY. THESE BOUNDS ARE COMPARED WITH SOME KNOWN APPROXIMATE SOLUTIONS, THE ACCURACY OF WHICH IS THERE-BY ESTABLISHED.

Details

  • Original title: SOLIDIFICATION IN FINITE BODIES WITH PRESCRIBED HEAT FLUX: BOUNDS FOR THE FREEZING TIME AND REMOVED ENERGY.
  • Record ID : 1988-0067
  • Languages: English
  • Source: International Journal of Heat and Mass Transfer - vol. 30 - n. 2
  • Publication date: 1987

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