Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/28749
Title: Transient heat flow calculation for multilayer constructions using a frequency-domain regression method
Authors: Wang, S 
Chen, Y
Keywords: Building model
Conduction transfer function
Frequency-domain regression method
Heat transfer model
Thermal response factors
Issue Date: 2003
Publisher: Pergamon Press
Source: Building and environment, 2003, v. 38, no. 1, p. 45-61 How to cite?
Journal: Building and environment 
Abstract: A frequency-domain regression method is developed for transient heat flow calculation of multilayer constructions, which estimates a simple polynomial s-transfer function of transient heat conduction in a building construction on the basis of its theoretical frequency characteristics. This simple polynomial s-transfer function is completely equivalent to the hyperbolic s-transfer function in terms of frequency characteristics. First, the frequency characteristics of the total transmission matrix are calculated within the frequency range concerned. Then, a set of linear equations is solved to yield a simple polynomial s-transfer function for internal, cross and external heat conduction, respectively. Finally, the response factors or CTFs are obtained simply by applying inverse Laplace transforms or Z-transforms on the polynomial s-transfer function. The validations and comparisons show that this method has high accuracy and efficiency and has no stability problem.
URI: http://hdl.handle.net/10397/28749
ISSN: 0360-1323
EISSN: 1873-684X
DOI: 10.1016/S0360-1323(02)00024-0
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