ČSN EN ISO 22007-2

Podrobné informácie

Označenie: ČSN EN ISO 22007-2

Dátum vydania: 01.12.2022

Stránok: 36

Krajina: Česká technická norma

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Anotácia

This document specifies a method for the determination of the thermal conductivity and thermal diffusivity, and hence the specific heat capacity per unit volume of plastics. The experimental arrangement can be designed to match different specimen sizes. Measurements can be made in gaseous and vacuum environments at a range of temperatures and pressures.
This method gives guidelines for testing homogeneous and isotropic materials, as well as anisotropic materials with a uniaxial structure. The homogeneity of the material extends throughout the specimen and no thermal barriers (except those next to the probe) are present within a range defined by the probing depth(s) (see 3.1).
The thermal-transport properties of liquids can also be determined, provided care is taken to minimize thermal convection