Device for measuring thermal conductivity of liquid

Details Device for measuring thermal conductivity of liquid Device for measuring thermal conductivity of liquid

1979-12-13

1981-08-18

Woodiel, Donald O.

Measuring and testing

Gas content of a liquid or a solid

By vibration

G01N 2518

Patent

active

042839351

ABSTRACT:
A device for measuring thermal conductivity of a desired sample liquid, even of a transparent or hot sample liquid, on the basis of thermal diffusion to the sample liquid from a small and thin metal disc which is heated by laser flash. The device has means for elevating the relative surface level of the sample liquid, filling a gap between the metal disc and a sample holding block to form a cylindrical liquid layer therein, and the thermal diffusion can be measured by a thermocouple connected to the metal disc.

REFERENCES:
Schnempf, "Thermal Diffusivity of Liquid Metals . . .", Rev. Scien. Instr., vol. 43, No. 5 (1972), pp. 781-786.

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