Methods for measurement of thermal conductivity and specific heat at moderate, low, and cryogenic temperatures
โ Scribed by E. S. Platunov
- Publisher
- Springer US
- Year
- 1987
- Tongue
- English
- Weight
- 618 KB
- Volume
- 53
- Category
- Article
- ISSN
- 1573-871X
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๐ SIMILAR VOLUMES
The photopyroelectric effect has been used to measure simultaneously specific heat (c), thermal conductivity (k) and thermal diffusivity (c~) at low temperatures. A calibration procedure which allows the use of a pyroelectric transducer at low temperatures is described. Simultaneous measurements of
We have measured the specific heat (0.1 <T< I K) and thermal conductivity (O.O7<T<300 K) of two glassy carbons, one pyrolysed at lOOO"C, the other at 2500ยฐC. The temperature dependence of ultrasonic velocity (0.2-300K) was also measured on the 2500ยฐC material. The above properties are remarkably sim