Title :
High-speed infrared radiation thermometers for measurement of thermophysical properties
Author :
Shinzato, Kanei ; Ishii, Juntaro ; Shimizu, Yukiko ; Baba, Tetsuya
Author_Institution :
Bethel Corp., Ibaraki, Japan
Abstract :
We have developed high-speed infrared radiation thermometry techniques for measuring thermal diffusivity, thermal conductivity and specific heat capacity for solids with the laser flash method. Single- and multiple-element radiation thermometers have been constructed with an InSb detector which is cooled by liquid nitrogen and operated in dc-mode. Photovoltaic MCT (HgCdTe) thermometers also have been developed for near or sub-ambient temperature for a periodic heating method. The time response measured is fast enough up to 100 kHz or more. Calibrations for the temperature scale have been made for the range from 0°C up to 200°C within the accuracy of 0.2 K.
Keywords :
high-speed techniques; specific heat; spectral methods of temperature measurement; thermal conductivity measurement; thermal diffusivity; thermal variables measurement; 0 to 200 degC; 100 kHz; HgCdTe; InSb; InSb detector; high-speed infrared radiation thermometry; laser flash method; photovoltaic MCT thermometer; specific heat capacity; thermal conductivity; thermal diffusivity; thermophysical properties measurement; Conductivity measurement; Infrared heating; Nitrogen; Photovoltaic systems; Radiation detectors; Solar power generation; Solid lasers; Temperature; Thermal conductivity; Time factors;
Conference_Titel :
SICE 2002. Proceedings of the 41st SICE Annual Conference
Print_ISBN :
0-7803-7631-5
DOI :
10.1109/SICE.2002.1195715
