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Technological safety of sustainable development of coal enterprises
(National Mining University, 2017-06-30)
Purpose. Substantiation of conceptual base of searching the ways of threats prevention to sustainable development of coal enterprises in the presence of multidirectional vectors of economic pressure of the external ...
Mathematical modeling of unsteady water filtration into anchored mine opening
(National Mining University, 2017-06-30)
Purpose. To develop a mathematical model of the interrelated processes of coal-rock mass deformation and water filtration in the disturbed area to study the change in the value of water inflow into the mine working de-pending ...
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: ...
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 ...