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Flow and heat transfer characteristics of ice slurry around heated body.

Number: pap. ID: 320

Author(s) : KAWANAMI T., TOGASHI K., FUMOTO K., et al.

Summary

This paper presents the flow and heat transfer characteristics around horizontal cylinders immersed in an ice slurry flow. A trehalose aqueous solution is utilized as the liquid phase for the testing ice slurry. Trehalose, which is a kind of disaccharide composed of two glucose units, is a naturally derived material and inhibits the growth of ice crystals. The basic components of the apparatus are a cooling brine circulating loop, a tank to produce and store ice slurry, an ice slurry flow circulating loop containing the test section, and the associated instrumentation. Experimental investigation is carried out by considering specific parameters and features such as the ice slurry flow velocity, heat flux of the heated surface, and the formation of a cylinder array. An evaluation of the local heat transfer coefficient and the observation of the flow behavior indicate that the distribution of the local heat transfer coefficient is strongly affected by both the flow behavior around the heated cylinder and the latent heat of the ice particles.

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Pages: 8 p.

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Details

  • Original title: Flow and heat transfer characteristics of ice slurry around heated body.
  • Record ID : 30002461
  • Languages: English
  • Source: Proceedings of the 23rd IIR International Congress of Refrigeration: Prague, Czech Republic, August 21-26, 2011. Overarching theme: Refrigeration for Sustainable Development.
  • Publication date: 2011/08/21

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