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Peculiarities of britlle and ductile materials destruction and deformation during the explosion of industrial shaped charges
(National Mining University, 2017-06-30)
Purpose. To study the laws of deformation and destruction of brittle and ductile rocks and concretes under explosion of industrial shaped charges.
Methods. In experiments, the following methods of investigation were used: ...
The procedure for determining pressure losses in washing fluid flow in hydraulic system of the core barrel
(National Mining University, 2017-03-30)
Purpose. Development of calculation procedure and analysis of pressure losses in the flow of washing fluid circulating through a hydraulic system of the core barrel.
Methods. Theoretical analysis based on the methods of ...
The first year of implementing a new concept of the journal “Mining of Mineral Deposits” of the National Mining University
(National Mining University, 2017-03-30)
This article presents the analysis of Ukrainian mining sciences journal – “Mining of Mineral Deposits” (acronym in English MMD). Our paper presents a case study of on journal in the field of mining sciences and describes ...
Improving efficiency of information measurement system of coal mine air gas protection
(National Mining University, 2017-03-30)
Purpose. Development of scientific approaches to creation of high-precision and high-speed optoelectronic measurement systems within the complex of air gas safety of coal mines by means of the developed and implemented ...
Local reinforcing of footing supported in the destroyed rock massif
(National Mining University, 2017-03-30)
Purpose. Justification of feasibility of non-explosive destruction of hard rock during in-seam workings based on the obtained dependences related to changes of physical and mechanical properties of non-explosive destructive ...
Structural, tectonic and fluid-dynamic aspects of deep degassing of the black sea megatrench
(National Mining University, 2017-03-30)
Purpose. The problematical and controversial issues related to active gassing, deep structure, formation and evolution of the Black Sea are discussed.
Methods. Geological and geophysical data (sonar, seismic and seismological ...
Coal industry in the context of Ukraine economic security
(National Mining University, 2017-03-30)
Purpose. To rate the main factors and indicators of the national economic security, in particular the degree of the country’s provision with primary natural resources which determine the global energy consumption ...
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 ...