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Heat transfer during the spontaneous or induced crystallizations of dispersed undercooled small droplets of water.

Author(s) : DUMAS J. P., ECHATOUI N. S., STRUB M.

Summary

In the paper, the authors present a study concerning the heat transfers during the crystallizations of the undercooled droplets of an emulsion. In the general case where the crystallizations are independent, they observe a self regulation of the temperature: when droplets crystallize the induced heating decreases the probability of crystallizations of the surrounding droplets delaying their transformations. But, in the particular case of certain concentrated water emulsions, they observe a propagation of the crystallization modifying completely the kinetics of the transformations and changing the evolution of the temperature. Models to describe the two cases are presented.

Details

  • Original title: Heat transfer during the spontaneous or induced crystallizations of dispersed undercooled small droplets of water.
  • Record ID : 1997-0786
  • Languages: English
  • Source: Proceedings of the 2nd European Thermal-Sciences (EUROTHERM) and 14th UIT National Heat Transfer Conference 1996.
  • Publication date: 1996/05/29
  • Document available for consultation in the library of the IIR headquarters only.

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