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Ground source heat pumps and their interactions with underground railway tunnels in an urban environment: a review.

Author(s) : REVESZ A., CHAER I., THOMPSON J., et al.

Type of article: Article

Summary

Ground source heat pumps (GSHPs) can provide an efficient way of heating and cooling buildings due to their high operating efficiencies. The implementation of these systems in urban environments could have further benefits. In such locations the ground source heat is potentially more accessible through alternative sources such as through underground railways (URs). The heat from the ground surrounding an UR tunnel could be exploited to enhance the operation of GSHPs operating in heating mode. To achieve this, the interactions of GSHPs with neighbouring URs must be fully understood but there is little exploration of these in current literature. This paper focuses on the potential benefit of understanding such interactions. It starts with a summary of typical and alternative heat sources for heat pumps and then it highlights the reasons why URs can be regarded as one of the most attractive ones. Then the paper reviews the current approaches used to model GSHPs and URs. Based on that review the paper suggests a method for the combined analysis of GSHPs and URs. The reasons why London is a sensible choice for a case study are also described. Summary of results from a preliminary investigation are also presented.

Details

  • Original title: Ground source heat pumps and their interactions with underground railway tunnels in an urban environment: a review.
  • Record ID : 30017019
  • Languages: English
  • Source: Applied Thermal Engineering - vol. 93
  • Publication date: 2016/01/25
  • DOI: http://dx.doi.org/10.1016/j.applthermaleng.2015.09.011

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