Abstract
AbstractIn this paper, by employing a mathematical model which was established to describe the physical mechanisms of heat and mass transfer in unsaturated porous media, some comparisons between the daily changes of soil temperatures under five different conditions have been conducted. The numerical simulations show that the ambient temperature, solar radiant heat flux, soil initial water content, ambient wind speed, atmospheric relative humidity, and soil porosity exert significant effects on the daily change of soil temperature. The differences between the daily changes of soil temperatures in those cases are also discussed and analyzed, which may provide some useful information for agriculture applications. © 2003 Wiley Periodicals, Inc. Heat Trans Asian Res, 32(6): 533–544, 2003; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/htj.10106
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