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Challenges and potentials of using a local heat pump in a 5 GDHC solution: Results from field and laboratory evaluations

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  • Lindhe, Jonas
  • Larsson, Martin
  • Willis, Morgan
  • Tiljander, Pia
  • Johansson, Dennis

Abstract

In fifth generation district heating and cooling (5GDHC), the temperature range of the heat source is wider then in current common heat pump systems. The results of this study show that the heat pumps and chillers that are available in the market are not well adapted to 5GDHC applications due to the wide working range of 5GHDC. In order to maintain a high efficiency, current design parameters should be adjusted. This affects the dimensioning of all components in the refrigerant circuit and the required volume of refrigerant.

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  • Lindhe, Jonas & Larsson, Martin & Willis, Morgan & Tiljander, Pia & Johansson, Dennis, 2024. "Challenges and potentials of using a local heat pump in a 5 GDHC solution: Results from field and laboratory evaluations," Energy, Elsevier, vol. 289(C).
    • Handle: RePEc:eee:energy:v:289:y:2024:i:c:s0360544223032012
    DOI: 10.1016/j.energy.2023.129807
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