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Performance of a large capacity propane heat pump with low charge heat exchangers.

Author(s) : CAVALLINI A., DA RIVA E., DEL COL D.

Type of article: Article, IJR article

Summary

The experimental performance of a 100 kW heat pump using propane is presented. The charge minimization is a priority in the design of such a device and thus shell-and-tube heat exchangers using minichannels and providing low charge have been installed in the unit, along with conventional brazed plate heat exchangers, in order to compare different working configurations, both in terms of energy efficiency and refrigerant charge. The performance when using the minichannel condenser is here compared to the one obtained when using a brazed plate condenser and the influence of a minichannel internal heat exchanger on the performance of the equipment is measured and discussed. It is shown that a 100 kW heat pump without a liquid receiver could be run with around 3 kg of propane using a plate condenser and a plate evaporator. Using the minichannel condenser, around 0.8 kg reduction can be obtained with a negligible performance loss.

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Pages: pp. 242-250

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Details

  • Original title: Performance of a large capacity propane heat pump with low charge heat exchangers.
  • Record ID : 2009-2507
  • Languages: English
  • Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 33 - n. 2
  • Publication date: 2010/03

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