Ground-heat transfer is tightly coupled with soil-moisture transfer. The coupling is threefold: heat is transferred by thermal conduction and by moisture transfer; the thermal properties of soil are strong functions of the moisture content; and moisture phase change includes latent heat effects and changes in thermal and hydraulic properties. A heat and moisture transfer model was developed to study the ground-coupled heat and moisture transfer from buildings. The model also includes detailed considerations of the atmospheric boundary conditions, including precipitation. Solutions for the soil temperature distribution are obtained using a finite element procedure. The model compared well with the seasonal variation of measured ground temperatures.
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February 2002
Technical Papers
Ground-Coupled Heat and Moisture Transfer from Buildings Part 1–Analysis and Modeling*
Michael P. Deru,
Michael P. Deru
National Renewable Energy Laboratory, 1617 Cole Blvd., Golden CO 80401
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Allan T. Kirkpatrick
Allan T. Kirkpatrick
Mechanical Engineering Department, Colorado State University, Fort Collins CO 80523
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Michael P. Deru
National Renewable Energy Laboratory, 1617 Cole Blvd., Golden CO 80401
Allan T. Kirkpatrick
Mechanical Engineering Department, Colorado State University, Fort Collins CO 80523
Contributed by the Solar Energy Division of the American Society of Mechanical Engineers for publication in the ASME JOURNAL OF SOLAR ENERGY ENGINEERING. Manuscript received by the ASME Solar Energy Division, Nov. 2000; final revision, May 2001. Associate Editor: V. C. Mei.
J. Sol. Energy Eng. Feb 2002, 124(1): 10-16 (7 pages)
Published Online: May 1, 2001
Article history
Received:
November 1, 2000
Revised:
May 1, 2001
Citation
Deru, M. P., and Kirkpatrick, A. T. (May 1, 2001). "Ground-Coupled Heat and Moisture Transfer from Buildings Part 1–Analysis and Modeling." ASME. J. Sol. Energy Eng. February 2002; 124(1): 10–16. https://doi.org/10.1115/1.1435652
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