Thermal conductivity of sandstone at high pressures and temperatures |
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| Authors: | S. N. Emirov E. N. Ramazanova |
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| Affiliation: | (1) Institute of Problems of Geothermy, Dagestan Scientific Center of the Russian Academy of Sciences, Makhachkala, Republic of Dagestan, 367030, Russian Federation |
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| 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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