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Design and experimental validation of a R-290 dual-source heat pump.

Number: 0168

Author(s) : XABIER P., LAURA A., JULEN H., AITOR A.

Summary

In this paper, the performance of a 10 kW reversible R290 heat pump using a dual source/sink is presented. The heat pump design is oriented for its integration with geothermal and solar photovoltaic energy in multifamily near Zero Energy Buildings, with the objective to reach a high onsite renewable share. The development is part of TRI-HP project: Trigeneration systems based on heat pumps with natural refrigerants and multiple renewable sources.
The heat pump has a specifically designed dual source heat exchanger (DSHX), able to work as a condenser or evaporator, exchanging heat between the refrigerant and air or water/brine. The heat pump has been experimentally tested in a climatic chamber in all the possible different working modes, showing in general a good agreement with the design values.
The effects of different operating parameters on the overall coefficient of performance, heat duty, and compressor energy consumption are analysed in detail.

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Pages: 8 p.

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Details

  • Original title: Design and experimental validation of a R-290 dual-source heat pump.
  • Record ID : 30029760
  • Languages: English
  • Subject: Technology
  • Source: 15th IIR-Gustav Lorentzen Conference on Natural Refrigerants (GL2022). Proceedings. Trondheim, Norway, June 13-15th 2022.
  • Publication date: 2022/06/13
  • DOI: http://dx.doi.org/10.18462/iir.gl2022.0168
  • Document available for consultation in the library of the IIR headquarters only.

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