Thermal measuring and testing – Determination of inherent thermal property – Thermal conductivity
Patent
1989-01-18
1990-05-29
Yasich, Daniel M.
Thermal measuring and testing
Determination of inherent thermal property
Thermal conductivity
165168, 374 29, G01K 1700, G01N 2518
Patent
active
049290894
ABSTRACT:
There is provided by the present invention an apparatus for measuring thermal conductivity. The apparatus is mainly composed of (a) a container adiabatically enclosing an inner space, (b) a heat source for heating a first surface of a specimen to be placed to divide the inner surface into a first space and a second space; (c) a first thermometer to measure the temperature of the first surface of the specimen; (d) a heat-flow-measuring means disposed in contact with the second surface of the specimen, for maintaining the temperature of the second surface of the specimen at a predetermined temperature and for measuring the thermal energy flowing through the second surface; and (e) a second thermometer for measuring the temperature of the second surface of the specimen. The apparatus realizes a stationary heat flow through the specimen from the first surface and the second surface thereof, and measures the temperature of the first and the second surface of the specimen and the thermal energy flowing through the specimen.
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patent: 4812050 (1989-03-01), Epstein et al.
Annual Book of ASTM Standards, vol. 14.01, 1987, pp. 1-16.
Ishikawajima-Harima Heavy Industries Co.
Yasich Daniel M.
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