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Development of a three-phase model for simulating the freezing process of an aqueous solutions.

[In Japanese. / En japonais.]

Author(s) : KAMINISHI K.

Type of article: Article

Summary

A numerical model was developed to simulate the freezing behaviors of aqueous solutions by simplifying the "Cell model" and considering the existence of 3 phases, that is, unfrozen and moving boundary phases within the material during freezing. Moreover, the variable space network method was also introduced to estimate the position of freezing front. The model is based on the thermo-physical properties of coffee solutions as well as their phase diagram measured by DSC method. According to the results, good agreement between the calculated and experimental freezing curves proved that the model is applicable in the concentration range 0-40%.

Details

  • Original title: [In Japanese. / En japonais.]
  • Record ID : 2004-1770
  • Languages: Japanese
  • Source: Refrigeration - vol. 79 - n. 915
  • Publication date: 2004
  • Document available for consultation in the library of the IIR headquarters only.

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