A Flat-plate Transient Measuring Method of the Thermal Diffusivity of Molten Salts

概要

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A new transient measuring method of the thermal diffusivity of molten salts is presented. To improve the accuracies of the temperature measuring locations and to remove the thermal effects of the container, the liquid sample is held in thin layers between a few parallel copper plates by its own surface tension, and the thermal diffusivity is determined from the temperature responses of the copper plates for arbitrary heating, using the computer simulation. The measured results for NaNO_3 and LiNO_3 are compared with the results by other researchers, and the accuracy of the results is discussed considering the effects of the error factors included.
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