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Proceedings Paper

Identification of thermal characteristics of materials
Author(s): O. Lebedev; D. Kirzhanov; V. Avramenko; O. Budadin
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Paper Abstract

A general solution of the inverse problem of nonstationary heat conductivity in multilayer objects based on Fourier expansion of time dependencies of the surface temperatures is considered. An example of a thermophysical properties determination in the case of a three-layer object is presented. An influence of the measuring equipment precision on the determined values of the characteristics is investigated. It is illustrated that the presented method provides a satisfactory precision in a wide range of amplitude values of measuring equipment noise.

Paper Details

Date Published: 18 April 2006
PDF: 8 pages
Proc. SPIE 6205, Thermosense XXVIII, 62051P (18 April 2006); doi: 10.1117/12.668491
Show Author Affiliations
O. Lebedev, Mechanical Engineering Institute (Russia)
Moscow State Univ. (Russia)
D. Kirzhanov, Mechanical Engineering Institute (Russia)
Moscow State Univ. (Russia)
V. Avramenko, Mechanical Engineering Institute (Russia)
Moscow State Univ. (Russia)
O. Budadin, Technological Institute of Energetic Surveys, Diagnostic and Nondestructive Testing (Russia)

Published in SPIE Proceedings Vol. 6205:
Thermosense XXVIII
Jonathan J. Miles; G. Raymond Peacock; Kathryn M. Knettel, Editor(s)

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