Abstract
A new heat pulse technique is presented for measuring thermal diffusivity and conductivity of a liquid electrolyte. The method as originally proposed by Parker et al. was suitable for flat specimens only, and it is adapted here to a cylindrical geometry. Theoretical and mathematical formulation, with appropriate boundary and initial conditions imposed, leads to an analytical solution on which the proposed method is based. The technique was tested for some liquid metals having well-established property values and an accuracy of 5% was achieved for thermal diffusivities. Scatter of about 15% were noted for an electrolyte of 3 NaF.AlF 3+10%wt Al 2O 3 at 1273 K.
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