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Three-dimensional earth-contact heat flows: A comparison of simulated and measured data for a buried structure

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  • Adjali, M.H.
  • Davies, M.
  • Littler, J.

Abstract

If renewable energy sources are to be successfully utilised within the built environment then accurate simulation tools have an important role to play. This paper addresses a very specific part of the overall simulation process: that of earth-contact heat transfer which can be the cause of significant modelling errors. Using a three-dimensional numerical model, simulation results are compared with experimental data for a test room. It has been shown that for this case, neglecting climatic conditions (e.g. snow and rain) causes discrepancies between measured and calculated temperatures. A sensitivity study has also shown that thermophysical properties (like the soil thermal conductivity) have to be accurately known.

Suggested Citation

  • Adjali, M.H. & Davies, M. & Littler, J., 1998. "Three-dimensional earth-contact heat flows: A comparison of simulated and measured data for a buried structure," Renewable Energy, Elsevier, vol. 15(1), pages 356-359.
    • Handle: RePEc:eee:renene:v:15:y:1998:i:1:p:356-359
    DOI: 10.1016/S0960-1481(98)00186-4
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