Title: On the interaction of thermal and strain-wave processes in coals

Authors: V.N. Oparin; T.A. Kiryaeva; A.Y. Khavkin

Addresses: Chinakal Institute of Mining, Siberian Branch, Russian Academy of Sciences, Krasnyi pr. 54, Novosibirsk, 630091, Russia; Novosibirsk State University, Pirogova str., 2, Novosibirsk, 630090, Russia ' Chinakal Institute of Mining, Siberian Branch, Russian Academy of Sciences, Krasnyi pr. 54, Novosibirsk, 630091, Russia ' Nanotechnological Society of Russia, Moscow, 124683, Zelenograd, b. 1504, off. II, Russia

Abstract: It is shown that the nanostructure of coal determines its physical and chemical, physical and mechanical and technological properties. The cycle of experimental-theoretical studies concerning the interaction between geomechanical, thermal and physical and chemical processes simulating the operation of Kuzbass coal deposits was completed. Using ALMEC-tv jointly thermal imaging and laser measuring equipment for high-precision and detail control of deformation-wave processes in the loaded coal specimens by speckle-method, it was proved for the first time that nonlinear pendulum-type movements of structural elements are possible in coal specimens with varied temperature field; it is of fundamental importance for actualisation of previously ignored mass and gas exchange processes in high-stress coal beds of different grade composition under-mining.

Keywords: temperature field; deformation-wave processes; coal ranks; specific surface; coal deposits; volatile yield; limit internal energy.

DOI: 10.1504/IJNT.2018.094787

International Journal of Nanotechnology, 2018 Vol.15 No.4/5, pp.301 - 310

Received: 08 May 2021
Accepted: 12 May 2021

Published online: 10 Sep 2018 *

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