Thermal Resistivity of Porous Materials (Soils) Change with Changes in Density, Water Content, Temperature and Composition (13421-00 AN)

January 11, 2007 by Gaylon S. Campbell

• Products:
  • Thermal Properties Testing,
  • Environmental Instruments,
  • Discontinued Products,
  • KD2

Decagon's KD2 measures the thermal resistivity of materials. These measurements are fast and accurate, but there is a limit to the number of samples that can be tested, and the sampling and testing procedure itself may affect the reading obtained. The purpose of this note is to give insight into the factors that affect thermal resistivity of porous materials so that the measurements made with the KD2 can be as useful, representative and as accurate as possible. It will also provide information on typical values of resistivity for these materials.

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