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Hermetic gas-fired residential heat pump.

Author(s) : BERCHOWITZ D. M., KWON Y. R.

Summary

The free-piston Stirling engine driven heat pump (FPSHP) is presented as an alternative residential heat pump technology. In this type of heat pump system the mechanical output of an externally heated free-piston Stirling engine is directly connected to a Rankine or transcritical cycle heat pump by way of a common piston assembly. The attractiveness of this system is the economics of operation when compared to an electrically driven conventional heat pump as well as the low environmental impact of the system. It is expected that the primary energy ratio for the ground water source FPSHP will be close to 2.15 for heating mode and 3.34 for cooling mode with the inclusion of domestic hot water generation. The working fluids are dominantly helium gas for the engine and carbon dioxide (CO2) for the heat pump.

Details

  • Original title: Hermetic gas-fired residential heat pump.
  • Record ID : 2006-3196
  • Languages: English
  • Source: 8th IEA Heat Pump Conference 2005: global advances in heat pump technology, applications, and markets. Conference proceedings [CD-ROM].
  • Publication date: 2005/05/02

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