An accelerated two-dimensional unsteady heat conduction calculation procedure for thermal conductivity measurement by the transient short-hot-wire method

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Title An accelerated two-dimensional unsteady heat conduction calculation procedure for thermal conductivity measurement by the transient short-hot-wire method
Author Woodfield, Peter; Fukai, J.; Fujii, M.; Takata, Y.
Journal Name International Journal of Thermophysics
Year Published 2009
Place of publication United States
Publisher Springer
Abstract A fast and accurate procedure is proposed for solution of the twodimensional unsteady heat conduction equation used in the transient short-hot-wire method for measuring thermal conductivity. Finite Fourier transforms are applied analytically in the wire-axis direction to produce a set of one-dimensional ordinary differential equations. After discretization by the finite-volume method in the radial direction, each one-dimensional algebraic equation is solved directly using the tridiagonal matrix algorithm prior to application of the inverse Fourier transform. The numerical procedure is shown to be very accurate through comparison with an analytical solution, and it is found to be an order of magnitude faster than the usual numerical solution.
Peer Reviewed Yes
Published Yes
Alternative URI http://dx.doi.org/doi:10.1007/s10765-009-0583-5
Volume 30
Issue Number 3
Page from 796
Page to 809
ISSN 0195-928X
Date Accessioned 2010-10-20
Language en_AU
Faculty Faculty of Science, Environment, Engineering and Technology
Subject Mechanical Engineering
URI http://hdl.handle.net/10072/38325
Publication Type Journal Articles (Refereed Article)
Publication Type Code c1x

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