Time evolution of reflective thermal lenses and measurement of thermal diffusivity in bulk solids
✍ Scribed by Doiron, Serge ;Haché, Alain
- Book ID
- 115351599
- Publisher
- The Optical Society
- Year
- 2004
- Tongue
- English
- Weight
- 173 KB
- Volume
- 43
- Category
- Article
- ISSN
- 1559-128X
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📜 SIMILAR VOLUMES
## National Research Council of Canada, O t t a w a , Canada A simple test method is developed for determining the thermal diffusivity of solids and granular materials by measuring the time at which the peak on a temperature-time record occurs. It allows the use of small easily prepared specimens
The development of a novel approach to the well-known Ångström's method for the measurement of the thermal diffusivity is reported. In this method, the diffusivity is determined from the damping and the phase shift of a periodic thermal signal during its propagation along the specimen. The propagati