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Continuous formation of slurry ice by cooling water-oil emulsion in a tube.
Author(s) : CHIBANA K., KANG C., OKADA M., et al.
Type of article: Article, IJR article
Summary
Water-silicone oil emulsion with an additive was examined as a heat storage material. A spiral tube used as a heat exchanger was immersed in a low temperature bath and the emulsion was circulated in the tube to make ice continuously. Ice was separated from the ice-liquid suspension in an outlet tank. The amount of ice formed, the temperatures of the inlet and the outlet of the heat exchanger, and the temperatures in the tube wall were measured and the overall heat transfer coefficient and the heat flux through the tube were calculated. Experiments were carried out, varying the flow rate, the temperature of cooling brine, and the thickness of tube wall. The condition under which slurry ice was formed continuously without adhesion of ice to the cooling wall was clarified. Though decrease in the thermal resistance of the tube increased the rate of ice formation or raised the brine temperature, it narrowed the range of the flow rate and of the brine temperature in which slurry ice was formed continuously.
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Details
- Original title: Continuous formation of slurry ice by cooling water-oil emulsion in a tube.
- Record ID : 2002-1703
- Languages: English
- Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 25 - n. 2
- Publication date: 2002/03
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Indexing
- Themes: Thermodynamics and changes of state
- Keywords: Ice slurry; Ice; Parameter; Emulsion; Change of phase; Water; Additive; Thermal energy storage
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