TECHNICAL PAPERS: Conduction Heat Transfer

Estimation of Thermophysical Properties by the Spectral Method—Development and Evaluation

[+] Author and Article Information
C. Aviles-Ramos, A. Haji-Sheikh

Department of Mechanical and Aerospace Engineering, The University of Texas at Arlington, Arlington, TX 76019-0023

J. V. Beck

Department of Mechanical Engineering, Michigan State University, East Lansing, MI 48824-1226

K. J. Dowding

Thermal Sciences Department, Sandia National Laboratory, Albuquerque, NM 87185-0835

J. Heat Transfer 123(1), 24-30 (Jul 10, 2000) (7 pages) doi:10.1115/1.1336507 History: Received June 18, 1999; Revised July 10, 2000
Copyright © 2001 by ASME
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A typical dimensionless heat flux: (a) the original heat pulse; and (b) the constructed periodic heat flux
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Schematic of a two-layer body and boundary conditions
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Heat flux input to produce virtual temperature responses, ts=80 sec. and τo=112 sec.
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Temperature data at seven locations generated using Eq. (22) for heat flux input as shown in Fig. 3
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Temperature responses for application of the FFT; a window within 224≤t≤448s is shifted to 0≤t≤224s
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Experimental temperature data for t<112s from Dowding et al. 6 and virtual data generated for t>112s




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