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  • Ukrainian School of Mining Engineering (Berdyansk, Ukraine, September 4 - 8, 2018)
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  • Ukrainian School of Mining Engineering (Berdyansk, Ukraine, September 4 - 8, 2018)
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Results of the experimental research of the heat-transfer jet pressure to the rock surface during thermal reaming of the borehole

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Date
2018
Author
Voloshyn, Oleksii
Potapchuk, Iryna
Zhevzhyk, Oleksandr
Zhovtonoha, Mykola
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Abstract
The performed analysis of scientific sources confirms the existence of a small number of publications devoted to the experimental research of the gasdynamics and plasmodynamics of jets used as a heat- transfer medium in the thermal methods of mine rocks destruction. There are almost no experimental and theoretical publications related to the multiple-jet plasmotrons research. The expediency of own experimental researches performing has been substantiated concerning the lateral inflow of heat-transfer medium high-speed jets on the borehole surface. An experimental research has been made of the interaction between the heat- transfer medium high-speed jets and the surface of the borehole imitated by the through duct. The further prospects of this work are the following: to determine the gas velocity along the lateral surface of the through duct and the value of the heating capacity coefficient from the heat-transfer medium to the lateral surface of the through duct, which imitates the rock surface in the borehole. These parameters are required for creating a mathematical model of the brittle destruction of rocks.
URI
http://ir.nmu.org.ua/handle/123456789/153435
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  • Ukrainian School of Mining Engineering (Berdyansk, Ukraine, September 4 - 8, 2018) [41]

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