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Double-unit longwalls as the method for mining concentration
(Видавництво НТУ ДП, 2020)
Purpose. Justifying the mining concentration by using double-unit longwalls in different geological conditions at economically expedient level. Methodology. Using the practical researches and analytical strengths ...
Destruction of rocks by non-explosive destroying mixtures in underground mining
(Видавництво НТУ ДП, 2020)
Purpose. Study of hydration kinetics of non-explosive destructive mixtures and dynamics of pressure increase of their expansion. Methodology. The first group of experiments was performed on an autodyne NMR spectrometer. ...
Some aspects of tailing dump development
(Видавництво НТУ ДП, 2020)
Purpose. The technology of underground coal mining and its enrichment is accompanied by a significant accumulation of man-made deposits - tailings. Today’s development of mining companies, based ...
The trends of world mining and power generation development
(Видавництво НТУ ДП, 2020)
The studies were carried according the national plan for the
development of mining and power energy sectors in Ukraine and means the
improving generation technologies and wastes utilization for ...
Cavitation processes in well drilling
(Видавництво НТУ ДП, 2020)
Purpose. Studies of energy distribution at different frequency ranges in the process of propagation of cavitation-pulsation action on an array of rocks found that the maximum value of energy is realized ...
Vanadium in the coal seam C10B of the dniprovska mine (western donbass)
(Видавництво НТУ ДП, 2020)
Purpose. The research of peculiarities of vanadium distribution in the coal seam c 10в of the Dniprovska mine and establishment of connections of its content with the main technological parameters of coal. ...
Some issues of the thin coal explortion at jsw group mines
(Видавництво НТУ ДП, 2020)
Purpose. Carrying out the research for application of the extraction technologies for thin coal seams at JSW Group mines at economically expedient level. Methodology. Applying the methods of mathematical statistics, as ...
Analytical and experimental studies of the gradual-rotational flow of fluid in a vortex heat generator
(Видавництво НТУ ДП, 2020)
Purpose. Obtain the results of the hydrodynamics of translational and rotational motion of the viscous fluid flow in the working space of a vortex heat generator of variable geometry through analytical and ...
Influence of deformation parameters on drill string dynamics
(Видавництво НТУ ДП, 2020)
Purpose. Identifying the causes of additional energy consumption for deformation of the drill string. Methodology. The study was conducted by analyzing the causes of deformations and justifying their impact on the ...
The review on international practices of thermal energy recovery at closed mines
(Видавництво НТУ ДП, 2020)
Purpose. Comparative study and efficiency analysis of operating geothermal systems installed in different countries to recover heat from mine water and rocks in post-coalmining areas. Methodology. The research ...