On estimating thermal diffusivity using analytical inverse solution for unsteady one-dimensional heat conduction期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

On estimating thermal diffusivity using analytical inverse solution for unsteady one-dimensional heat conduction

Affiliation:	1. Institute of Ocean Energy, Saga University, 1 Honjo-machi, Saga 840-8502, Japan;2. Department of Mechanical Engineering, Saga University, 1 Honjo-machi, Saga 840-8502, Japan;1. School of Mechanical Engineering, Hanyang University, 17 Haengdang-dong Seongdong-gu, Seoul 133-791, South Korea;2. Department of Mechanical Engineering, Hanyang University, 1271 Sa-1-dong, Ansan, Kyunggi-do 425-791, South Korea;1. Military University of Technology, Kaliskiego 2, 00-908 Warsaw, Poland;2. Air Force Academy, Dywizjonu 303 12, 08-521 Deblin, Poland;3. Bialystok University of Technology, Wiejska 45A, 15-351 Bialystok, Poland

Abstract:	A modified procedure for calculating the thermal diffusivity of solids based on temperature measurements at two points and the semi-infinite boundary condition is presented. The method makes use of a solution to the unsteady one-dimensional inverse heat conduction problem for the semi-infinite solid. The procedure gives accurate results based on temperature changes produced by an arbitrary fluctuating heat flux source at the boundary.

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