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RESEARCH PAPERS

ITPE Technique Applications to Time-Varying Three-Dimensional Ground-Coupling Problems

[+] Author and Article Information
M. Krarti, J. F. Kreider

Joint Center for Energy Management, CEAE Department, University of Colorado, Boulder, CO 80309-0428

D. E. Claridge

Department of Mechanical Engineering, Texas A&M University, College Station, TX 77843-3123

J. Heat Transfer 112(4), 849-856 (Nov 01, 1990) (8 pages) doi:10.1115/1.2910491 History: Received May 09, 1988; Revised October 02, 1989; Online May 23, 2008

Abstract

Approximate analytical solutions for the three-dimensional heat transfer between slab-on-grade floors and rectangular basements under steady-periodic conditions are developed using the Interzone Temperature Profile Estimation (ITPE) method. The slab-on-grade solution is the first analytical slab-on-grade solution that treats the presence of insulation on/under the floor, while the basement solution is the first analytical solution of the time-dependent three-dimensional problem for basements. Solutions are given for the temperature field and expressions are derived for the annual heat loss. Parametric analysis is used to emphasize the effect of geometric dimensions on the magnitude and phase of heat loss relative to ambient temperature. The results obtained are compared with those from the two-dimensional model, and the three-dimensional characteristics of heat flow from slabs and basements are examined.

Copyright © 1990 by The American Society of Mechanical Engineers
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