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Investigation into the transportation and melting of thick ice slurries in pipes.

Author(s) : EVANS T. S., QUARINI G. L., SHIRE G. S. F.

Type of article: Article, IJR article

Summary

This paper presents the results of experiments and modelling carried out on ice slurries flowing in uninsulated steel pipes with a nominal diameter of 50 mm. The slurries used were formed from 4.75% NaCl aqueous solution and had ice mass fractions in the range 18-42%, with a view to the use of thick ice slurry 'pigs' as a pipeline clearing technique. Of particular interest was the distance over which such slurries can survive as plug-like entities, before melting reduces them to ineffective thin two-phase suspensions. The experiments showed that for small volumes of slurry, survivability is directly proportional to the quantity of slurry used, but that increasing the ice fraction has a more marked effect. A simple one-dimensional numerical model that accounts for transportation, heat transfer and melting was developed that produces reasonable predictions.

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Pages: 145-151

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Details

  • Original title: Investigation into the transportation and melting of thick ice slurries in pipes.
  • Record ID : 2008-0669
  • Languages: English
  • Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 31 - n. 1
  • Publication date: 2008/01

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