An apparatus for measuring thermal diffusivity in air / V.V. Mirkovich. : M38-13/77-21E-PDF

"In view of the recent interest in materials for generating and conserving energy, the determination of their thermal properties has become important. One such property is thermal diffusivity. Two prototypes for measuring thermal diffusivity of solid materials in air are described. These prototypes, which are based on the concepts of an infinite cylinder and radial heat flow, are designed to measure thermal diffusivity in transitory and periodic temperature modes. Measurements performed on Pyroceram Code 9606 have shown that accurate data can be obtained in one of the experimental models in the temperature range of 25° to 700°C"--Abstract, p. i.

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