On the temperature and pressure dependences of the effective thermal conductivity of granites-Reference-Cited by-同舟云学术

On the temperature and pressure dependences of the effective thermal conductivity of granites

Published:2021 Issue:4 Part A Volume:25 Page:2493-2501
ISSN:0354-9836
Container-title:Thermal Science
language:en
Short-container-title:THERM SCI

Author:

Emirov Subkhanverdi¹,Aliverdiev Abutrab²,Beybalaev Vetlugin²,Amirova Anise³

Affiliation:

1. Institute for Geothermal Researches and Renewable Energy, Branch of the Joint Institute for High Temperatures of Russian Academy of Sciences, Makhachkala, Russia + Dagestan State Technical University, Мakhachkala, Russia

2. Institute for Geothermal Researches and Renewable Energy, Branch of the Joint Institute for High Temperatures of Russian Academy of Sciences, Makhachkala, Russia + Dagestan State University, Makhachkala, Russia

3. Institute of Physics DFRC of Russian Academy of Sciences Makhachkala, Russia

Abstract

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.

Publisher

National Library of Serbia

Subject

Renewable Energy, Sustainability and the Environment

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