Studying the Temperature Dependence of Thermal Conductivity in a Rock of Combined Composition


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Abstract

A model for the structure of a rock as a heterogeneous system of two components, amorphous and crystalline, is considered. A formula is proposed for calculating the thermal conductivity of rocks with different temperature dependences of the thermal conductivity of their components. When the temperature dependence of the thermal conductivity of the components and their volume fractions is known, the thermal conductivity of the actual rock can be predicted for different combinations of amorphous and crystalline phases.

About the authors

Yu. P. Zarichnyak

National Research University of Information Technologies, Mechanics, and Optics

Author for correspondence.
Email: zarich4@gmail.com
Russian Federation, St. Petersburg, 197101

A. E. Ramazanova

Institute for Geothermal Problems, Dagestan Scientific Center

Email: zarich4@gmail.com
Russian Federation, Makhachkala, 367030

S. N. Emirov

Institute for Geothermal Problems, Dagestan Scientific Center

Email: zarich4@gmail.com
Russian Federation, Makhachkala, 367030

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