Identification of Building Envelope Overall Coefficient of Heat Transfer Using Recursive Least Squares Algorithm

Abstract:

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This paper introduces the methodology and procedures of identification of overall coefficient of heat transfer (U-factor) of building envelopes using recursive least squares algorithm and dynamic heat transfer data. Application this method to three types of typical to examine the correctness and feasibility of this method. The following conclusions can be obtained: 1) Identification of U-factor of building envelopes using recursive least squares algorithm is feasible for engineering purpose, the identified U-factor can be near to its real value; 2)The testing periods can be much shorter than the steady testing; 3)The identification error is associated with the thermal inertia. The error is larger as the thermal inertia of building envelope is large within the same testing circumstances.

Info:

Periodical:

Advanced Materials Research (Volumes 250-253)

Edited by:

Guangfan Li, Yong Huang and Chaohe Chen

Pages:

3239-3244

DOI:

10.4028/www.scientific.net/AMR.250-253.3239

Citation:

G. Q. Yu et al., "Identification of Building Envelope Overall Coefficient of Heat Transfer Using Recursive Least Squares Algorithm", Advanced Materials Research, Vols. 250-253, pp. 3239-3244, 2011

Online since:

May 2011

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Price:

$35.00

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