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Information × Registration Number 0221U102913, 0116U003004 , R & D reports Title Mass, heat transfer and physics of preoutburst phenomena in gas-saturated fractured-porous layered coal-rock mass popup.stage_title Head Molchanov Oleksandr М., Доктор технічних наук Registration Date 11-02-2021 Organization Institute of Physics of Mining Processes of the National Academy of Sciences of Ukraine popup.description2 Research Object is the phase-structural transformations process of coal massif containing gas, water filtration into mine workings through the massif, the stress field dynamics in the coal seam during its development, the cracks germination through the coal seam, methane filtration into cracks and cracks. A special object of research was electric and thermal fields in mesostructured materials with the inhomogeneous structures taking into account heat transfer through contact surfaces in layered arrays. Methane peculiarities and water mass transfer through a fractured coal rock mass and the influence of mass transfer rate on the preparation and coal solution, rock and gas emissions were studied. The purpose of the work is to establish the regularities of fractured-porous structure dynamics, changes in the gas pressure near the workings, heat transfer in gas-saturated layered rocks; determining the number role of physical and technological characteristics (reference pressure, filtration permeability, diffusion, elasticity modulus and adhesion of the material, face geometry and penetration rate) in the preparation processes and coal solution, rock and gas emissions. Research methods - derivation and analysis of kinetic system equations for fracture (main cracks size) and gas pressure both in the main crack cavity and in an array around the crack, experimental methods (NMR, impedance spectroscopy of coal/rock samples at low frequencies, secondary and secondary -spectroscopy, especially for hydrogen, magnetic resonance imaging), methods of computer modeling of mining processes. A serious known analytical correction, experimental and field destruction processes studies, and rock destruction in connection with changes in stress, gas pressure, temperature, and moisture content in coal massifs was carried out. As a result, it was possible to develop new formulaic criteria for emission and fire hazards of the gas-saturated massif, mainly at great depths. Product Description popup.authors Ilyashov Mihail Inkin Aleksandr Bilyk Olena V. Balalaiev Oleksandr Baranovskyi Volodymyr Burchak Oleksandr Vinnik Olena Vasilkovskiy Vsevolod Venherov Ihor Vynohradov Yurii Hrinov Volodymyr Deriglazova Olena Dovbnich Mykhailo Zacharova Ludmila Kirilov Andrii Kaluhina Nadiia Kamchatnyi Oleksii Anatoliiovych Kosenko Andrii Kusen Oleksiy B. Lazebnyk Oleksandr Minieiev Serhii Mazur Olga Molodetskyy Andriy Molchanov Oleksandr Nazimko Victor Pichka Tetiana Sergienko Alexandr Stefanovych Leonid Tynyna Sergii Troitskyi Harri Feldman Eduard Khomenko Oleh Khorolskyi Andrii Chesnokova Oksana Chobotko Ihor popup.nrat_date 2021-02-11 Close