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Experimental and numerical investigations of a new high temperature heat pump for industrial heat recovery using water as refrigerant.

Author(s) : CHAMOUN M., RULLIERE R., HABERSCHILL P., et al.

Type of article: Article, IJR article

Summary

A new high temperature heat pump using water as refrigerant has been designed and built for testing on a laboratory test bench that reproduces the operating conditions of real-case industrial applications. Experimental investigations of this heat pump were carried out in the condensing temperature range of 130–140 °C. A new dynamic model has also been developed using Modelica to take into account the presence of non-condensable gases and the purging mechanism. In addition, a new combined finite-volume and moving boundary method (FV-MB) approach is applied for the plate heat-exchanger models and a moving boundary (MB) approach between phases is implemented for the models of the purging and the flash evaporation systems. The start-up phase of this high-temperature heat recovery and heat enhancement of the heat pump are simulated experimentally and numerically. A comparison between both results is presented and analyzed. Global energy savings and the environmental benefits have been illustrated.

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Pages: 177-188

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Details

  • Original title: Experimental and numerical investigations of a new high temperature heat pump for industrial heat recovery using water as refrigerant.
  • Record ID : 30011848
  • Languages: English
  • Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 44
  • Publication date: 2014/08

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