Abstract
Results are given of experimental investigations of the coefficient of thermal conductivity of samples of sandstone at hydrostatic pressures of up to 400 MPa and temperatures of 275–523 K. It is demonstrated that the pressure increase causes a weaker temperature dependence of thermal conductivity. Processes are discussed which lead to additional scattering of heat waves in disordered media.
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Original Russian Text © S.N. Emirov, E.N. Ramazanova, 2007, published in Teplofizika Vysokikh Temperatur, Vol. 45, No. 3, 2007, pp. 359–362.