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TECHNICAL PAPERS

Steady-State Component of Three-Dimensional Slab-on-Grade Foundation Heat Transfer

[+] Author and Article Information
Pirawas Chuangchid, Moncef Krarti

Joint Center for Energy Management, CEAE Dept., CB 428 University of Colorado at Boulder, Boulder, CO 80309

J. Sol. Energy Eng 123(1), 18-29 (Dec 01, 2000) (12 pages) doi:10.1115/1.1346677 History: Received September 01, 1998; Revised December 01, 2000
Copyright © 2001 by ASME
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References

Figures

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Model for foundation configuration with finite water table level for a circular slab-on-grade floor
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Percent of error versus truncation number N for circular slab-on-grade heat transfer calculation.
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(a) Soil temperature distribution beneath uninsulated circular slab. (b) Soil temperature distribution beneath well insulated circular slab.
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Total circular slab heat loss per unit area as a function of slab radius and insulation level
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(a) Total circular slab heat loss per unit area as a function of water level and insulation level for Ta=10°C. (b) Total circular slab heat loss per unit area as a function of water level and insulation level for Ta=−5°C.
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Total circular slab heat loss per unit area as a function of insulation level and slab radius
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Model for foundation configuration with finite water table level for a three-dimensional rectangular slab-on-grade floor
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Percent of error versus truncation number N for three-dimensional rectangular slab-on-grade heat transfer calculation
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(a) Soil temperature distribution beneath uninsulated rectangular slab. (b) Soil temperature distribution beneath well insulated rectangular slab.
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(a) Total heat loss per unit area as a function of slab size and insulation level for a square slab. (b) Total rectangular heat loss per unit area as a function of slab width and insulation level for a fixed length c=5.0 m.
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(a) Total heat loss per unit area as a function of water table and insulation level for a 10-m square slab and Ta=15°C. (b) Total heat loss per unit area as a function of water table and insulation level for a 10-m square slab and Ta=10°C.  
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Total heat loss per unit area as a function of insulation level and slab size for a square slab
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Variation of total slab heat loss per unit area as a function of A/P ratio for various slab shapes (circular, rectangular, and square)

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