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SELECTIVE FREEZING OF A DILUTE SALT SOLUTION ON A COLD ICE SURFACE.

Author(s) : FANG L. J.

Type of article: Article

Summary

THE MORPHOLOGY OF THE TWO-PHASE REGION AND THE KINETICS OF THE SOLID-LIQUID INTERFACE OBSERVED FOR A SODIUM CHLORIDE-WATER SYSTEM ARE DESCRIBED PHOTOGRAPHICALLY. THE MOTION OF THE TWO-PHASE, LIQUIDUS FRONT, RECORDED BY A TELESCOPIC DEVICE THAT AMPLIFIES THE LOCAL PHENOMENA OF THE TWO-PHASE REGION, IS PRESENTED ALONG WITH THE MEASURED TRANSIENT TEMPERATURE DISTRIBUTION OF THE SYSTEM. BASED ON THE ASSUMPTION THAT THE SOLUTION ELEMENT OF THE TWO-PHASE REGION IS IN LOCAL THERMODYNAMIC EQUILIBRIUM WITH THE SOLID PHASE, A SIMILARITY MODEL IS DEVELOPED TO PREDICT THE DEPENDENCE OF THE FREEZING RATE ON VARIOUS CONTROLLING PARAMETERS OF THE SYSTEMS. TRANSIENT HEAT CONDUCTION IN THE ICE SLAB IS ALSO INCLUDED IN THE MODEL.

Details

  • Original title: SELECTIVE FREEZING OF A DILUTE SALT SOLUTION ON A COLD ICE SURFACE.
  • Record ID : 1985-0474
  • Languages: English
  • Source: J. Heat Transf. - vol. 106 - n. 2
  • Publication date: 1984/05
  • Document available for consultation in the library of the IIR headquarters only.

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