Stochastic Modeling of Transient Heat Flow Through Walls

[+] Author and Article Information
F. Haghighat, M. Chandrashekar

Department of Systems Design Engineering, University of Waterloo, Waterloo, Ontario, Canada N2L 3G1

T. E. Unny

Department of Civil Engineering, University of Waterloo, Waterloo, Ontario, Canada N2L 3G1

J. Sol. Energy Eng 107(3), 202-207 (Aug 01, 1985) (6 pages) doi:10.1115/1.3267679 History: Received February 01, 1984; Online November 11, 2009


Solar radiation and temperature vary during the day. These variations are also subject to “random” fluctuations caused by rapid changes in atmospheric conditions. In this paper a procedure has been developed to model the rate of heat flow through a building wall with consideration given to the stochastic character of the problem. The stochastic method generates outputs that reflect fluctuations in the input variables (and parameters). This enables the analyst to select or design components for specified confidence levels. The validity of the procedure is demonstrated through examples.

Copyright © 1985 by ASME
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