Research on experimental parameter selection for measuring thermal diffusivity by laser flash method at room temperature
Yan Sun,
Kai Zhong,
Xia Zhang
et al.
Abstract:Based on the laser flash method, the selection of experimental parameters on
the accuracy of measurement results for measuring thermal diffusivity is
investigated in this paper. High-purity graphite is employed as the
experimental material. Three experimental parameters are taken into
consideration, including specimen thickness, laser pulse power, and laser
pulse width. Firstly, the principle of the laser flash method is introduced.
Then, a numerical simulation model is established and indepe… Show more
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