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Experimental research on commercial digital VRF multi-connected units with sub-cooled ice storage system.

[In Chinese. / En chinois.]

Author(s) : XIAO H., HUANG Y., FAN H., et al.

Type of article: Article

Summary

Based on the high subcooled refrigeration cycle theory, the authors developed a commercial digital multiple variable refrigerant flow rate air-conditioning system and carried out experimental research on a model machine which proves to be operating under the following six modes: ice charging, ice discharging, normal refrigerating, heat charging, heat discharging and heat pump operation. The period of the ice charging operation is about 8 hours, 378 MI of cool storage capacity is achieved and the ice thickness on the outer surface of the copper tube is 35 mm; the cooling capacity increases by about 30%, the duration of ice discharging is about 8 hours; and the novel system can operate in the heat charging mode and heat discharging mode; the latter mode allows reduction in the frost formation because of a rise in the evaporating temperature.

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Format PDF

Pages: 66-69

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Details

  • Original title: [In Chinese. / En chinois.]
  • Record ID : 2009-0662
  • Languages: Chinese
  • Source: HV & AC - vol. 38 - n. 214
  • Publication date: 2008/08

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