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Typomorphic characteristics of apatite morphology of carbonate-bearing variations of complex ores in the context of Kovdor deposit
(National Mining University, 2019-09-30)
Purpose. A comprehensive analysis of apatite morphology in carbonate-bearing variations of complex ores in the context of Kovdor deposit as an important typomorphic characteristic of a mineral being of high genetic and ...
Overview of technologies for constructing the facilities at the Dniester pumped storage power station
(National Mining University, 2019-09-30)
Purpose. Perform an overview of the construction technologies and substantiate the effectiveness of the Ukrainian experience in building a pumped storage power station (PSPS) on the Dniester River in difficult engineerin ...
Improving rock classification in terms of explosivity
(National Mining University, 2019-09-30)
Purpose. To improve rock classification in terms of explosivity relying upon the detailed analysis of characteristics of rating classifications available in the Russian Federation and in the world.
Methods. Complex approach ...
Phenomena of stability of the coal seam roof with a yielding support
(National Mining University, 2019-12-30)
Purpose. Determining the conditions and parameters for ensuring the stability of the coal seam roof with a yielding support in the area adjacent to face and behind it under the influence of dynamic loads based on the ...
Hydro-thermodynamic model of deep-water hydraulic lift of 3-phase fluid considering heat-mass-exchange processes
(National Mining University, 2017-06-30)
Purpose. To justify theoretical dependences of the main flow parameters of 3-phase streams for modeling the process of hydraulic hoisting of polymetallic nodules in the flow section of the deep-water air-lift for various ...
Experimental studies on the shear resistance of original coal-shale joint
(National Mining University, 2017-12-30)
Purpose. Experimental study and theoretical modeling of the shear resistance of original coal-shale joint.
Methods. A two-segment model was developed to describe the shear resistance-shear displacement curves obtained ...
Developing information systems of operation schedules to stabilize the grade of a mineral
(National Mining University, 2017-12-30)
Purpose. To develop information technology making it possible to obtain ore flow with the required grade parameters in the context of open-pit mining owing to the implementation of methods and algorithms optimizing operation ...
Research іnto the mechanіsm of aggregate-formіng objects contact wіth oіl aggregatіon of fіnely-dіspersed coal
(National Mining University, 2017-12-30)
Purpose. To investigate separate phases inherent to the process of “reagent – coal grain” contact during oil aggregation of coal, in particular, to analyze the following phases of the contact process: “encounter of ...
Research into the effect of gallery size on blast pull in underground coal mines
(National Mining University, 2018-06-30)
Purpose. To investigate the effect of gallery size on blast pull in underground colliery by drilling and blasting techniques.
Methods. The study conducted in three different underground collieries namely A, B and C located ...
Evaluation of open pit slope stability using various slope angles and element types
(National Mining University, 2018-06-30)
Purpose. The objective of this study is to demonstrate a method to select the optimal slope angle related to three principal factors: safety, productivity and mining costs. Also, it aims to investigate the accuracy of ...