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

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

Renewable Energy, 1998, vol. 15, issue 1, 356-359

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.

Keywords: Earth-contact; building; energy; heat flow; multi-dimensional; conduction; computing (search for similar items in EconPapers)
Date: 1998
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Persistent link: https://EconPapers.repec.org/RePEc:eee:renene:v:15:y:1998:i:1:p:356-359

DOI: 10.1016/S0960-1481(98)00186-4

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