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Experimental and theoretical investigations of solidification and melting of ice for the design and operation of an ice store.

Author(s) : KOLLER T., SPINDLER K., MÜLLER-STEINHAGEN H.

Type of article: Article, IJR article

Summary

The Institute for Thermodynamics and Thermal Engineering (ITW) of the University of Stuttgart has developed a novel solar powered 10 kW absorption chiller. This chiller was implemented in the cooling system of the institute's building. To achieve a higher efficiency of the cooling system and to extend the hours of operation, a small ice store was designed, constructed and experimentally investigated. The experimental investigations include charging and discharging processes at different inlet temperatures and for different heat exchanger areas. For theoretical investigations a simulation program was developed and validated. Based on the results of these investigations a final heat exchanger design was established. In a further step the ice store was integrated into the building's cooling system. Long term measurements of the cooling system have shown good in-service behaviour of the ice store which fits the specific requirements of the cooling system in combination with the absorption chiller quite well.

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Pages: 1253-1265

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Details

  • Original title: Experimental and theoretical investigations of solidification and melting of ice for the design and operation of an ice store.
  • Record ID : 30004370
  • Languages: English
  • Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 35 - n. 5
  • Publication date: 2012/08

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