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Regularities of surface subsidence and rocks displacement within the boundaries of local workings
(National Mining University, 2016-09-30)
Purpose. To establish typical phases of the earth surface subsidence and rocks displacement on the local workings’ boundary under the influence of the working face movement.
Methods. Development of the general picture of ...
Mathematical modeling of hydraulic mining from placer deposits of minerals
(National Mining University, 2016-06-30)
Purpose. To analyze the process of hydraulic borehole mining of minerals. To define the main problems of hydraulic borehole mining. To create a mathematical model that will describe the process of hydraulic borehole mining ...
Mechanism of magnetic field effect on hydrocarbon systems
(National Mining University, 2016-09-30)
Purpose. The aim is to analyze the problem of preventing the asphalt-resin-paraffin deposits (ARPD) in the oil
industry equipment and to justify application of paraffin control methods; to review modern approaches to ...
Electromechanical transducer for drying and processing of coal concentrates and sludges
(National Mining University, 2016-12-30)
Purpose. Determination of the effect of perforations in the hollow ferromagnetic rotor on dynamic characteristics of the electro-mechanical transducer.
Methods. Calculation of the dynamic characteristics of the electromechanical ...
Theoretical and geotechnological fundamentals for the development of natural and man-made resources of coal deposits
(National Mining University, 2016-12-30)
Purpose. Theoretical and technological substantiation of parameters and schemes related to formation and use of natural and man-made volumetric and thermal resources of abandoned coal deposits using complex of geo-modules ...
Recycling of Prydniprovska thermal power plant fly ash
(National Mining University, 2017-03-30)
Purpose. To confirm experimentally the feasibility of complete fly ash recycling at Prydniprovska Thermal Power Plant (TPP) by its refining into industrially valuable products using gravity classification of dry ash from ...
Analysis of gas hydrate deposits development by applying elements of hydraulic borehole mining technology
(National Mining University, 2017-06-30)
Purpose. To substantiate and develop the principal schematics suitable for the existing technological level and method of gas hydrates production from the offshore fields.
Methods. Analysis of properties inherent to gas ...
Experience of metal deposits combined development for South African enterprises
(National Mining University, 2017-06-30)
Purpose. To solve technological and ecological problems of South Africa and other countries using the experience of Russian, Kazakh and Ukrainian miners in mining metals by the combination of traditional and new technologies. ...
Modeling hydrodynamics of the flushing fluid intermittent flow in the hydraulic system of the diamond bit
(National Mining University, 2017-06-30)
Purpose. To study the effect produced by the intermittent flushing on hydrodynamic processes in the hydraulic system of a diamond bit.
Methods. Mathematical modeling methods and CFD experiment.
Findings. A mathematical ...
Evolution of cracks in selvedge of the coal bed during its stationary working
(National Mining University, 2017-06-30)
Purpose. To study rupturing of the coal/rock seam selvedge by natural gas-filled cracks as phenomena that prepare and initiate sudden outbursts of coal, rock, and gas during the steady movement of the face.
Methods. The ...