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Comparison of the performance of different ice slurry types depending on the application temperature.

Author(s) : GUILPART J., STAMATIOU E., DELAHAYE A., et al.

Type of article: Article, IJR article

Summary

The ice slurry medium type used in a refrigeration application could influence the performance of an ice slurry system. For this reason and depending on the refrigeration application, the user has to usually carry out a judgemental selection of the ice slurry mixture type, which should take into account the solute type and its concentration. This article compares the performance of several commonly used organic and inorganic ice slurry secondary refrigerants. This study was based on thermophysical assessments carried out at different operating temperatures. The calculation method that was used to determine the ice slurry properties is first presented. Then, in order to describe the thermophysical efficiency of mixtures at various operating temperatures (-5, -20 and -35°C), three performance criteria were compared, namely, the volume enthalpy drop, the temperature at the inlet of the application and the relative viscosity of the ice slurry. The results showed that inorganic mixtures are good selection candidates, except for situations where low temperatures and high ice concentrations are encountered at the inlet of the application. Methyl alcohol came out as a good performance candidate for all refrigeration applications, although NH3 was the best choice based on the current thermo-physical property assessments.

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Pages: 781-788

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Details

  • Original title: Comparison of the performance of different ice slurry types depending on the application temperature.
  • Record ID : 2006-1779
  • Languages: English
  • Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 29 - n. 5
  • Publication date: 2006/08

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