Device for measuring thermal conductivity of liquid
AssigneePresident of Kyoto University
InventorsWataru Eguchi, Makoto Harada, Masataka Tanigaki, Yutaka Tada
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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.
Claims16
A device for measuring thermal conductivity of liquids, characterized in that said device comprises:
- a horizontally supported, thin and small metal disc to be heated by a laser flash;
- a sample holding block located beneath said metal disc;
- a thermocouple connected to said metal disc;
- and
- means for elevating the relative surface level of a sample liquid, filling a gap between said metal disc and said sample holding block to form a cylindrical liquid layer therein.
A device for measuring thermal conductivity of liquids, characterized in that said device comprises:
- a horizontally supported, thin and small metal disc to be heated by a laser flash;
- a sample holding block located beneath said metal disc;
- a thermocouple connected to said metal disc;
- and
- means for removing air bubbles from a sample liquid filling a gap between said metal disc and said sample holding block to form a cylindrical liquid layer therein.
Dependencies are inferred from the claim text.