International Scientific Journal


The results of experimental measurements of the temperature dependence of the effective thermal conductivity of various granite samples obtained by the absolute stationary method in the temperature and pressure ranges of 273-523 K and 0.1-400 MPa, respectively, are analyzed. The power-law character of the temperature dependence of the effective thermal conductivity for all measured granite samples at atmospheric pressure is established. We have shown that pressure significantly affects the power law of the temperature dependence of the effective thermal conductivity of granite samples. A low-parameter description of the temperature-pressure behavior of thermal conductivity is proposed. A correlation is established between its components.
PAPER REVISED: 2020-04-23
PAPER ACCEPTED: 2020-04-28
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THERMAL SCIENCE YEAR 2021, VOLUME 25, ISSUE Issue 4, PAGES [2493 - 2501]
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