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Integration of geothermal storage in CO2 refrigeration systems of supermarkets.

Number: pap. 1387

Author(s) : MATEU-ROYO C., KARAMPOUR M., ROGSTAM J., et al.

Summary

The aim of this paper is to study the benefits of integrating CO2 transcritical booster refrigeration system with geothermal storage. The ground is used as a heat sink for sub-cooling during the summer period and as a heat source for extracting heat in the winter season. Using field measurements from medium size supermarkets in Sweden, proposed and the existing system solutions for integrating geothermal storage in CO2 refrigeration systems are modelled and compared with standard CO2 transcritical booster system. The techno-economical comparative analysis shows that hybrid CO2 transcritical booster system with ground source heat pump (GSHP) as an integrated geothermal solution has 6% lower annual energy use compared to a stand-alone CO2 system with heat recovery.

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Pages: 8

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Details

  • Original title: Integration of geothermal storage in CO2 refrigeration systems of supermarkets.
  • Record ID : 30023709
  • Languages: English
  • Source: 13th IIR Gustav Lorentzen Conference on Natural Refrigerants (GL2018). Proceedings. Valencia, Spain, June 18-20th 2018.
  • Publication date: 2018/06/18
  • DOI: http://dx.doi.org/10.18462/iir.gl.2018.1387

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