Sfoglia Періодичні видання НТУ "Дніпровська політехніка" per Autore "Dreus, A."
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Modeling hydrodynamics of the flushing fluid intermittent flow in the hydraulic system of the diamond bit
Dreus, A; Lysenko, K; Kozhevnykov, A; Liu, B (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 ... -
Modelling of deep wells thermal modes
Bulat, A; Blyuss, B; Dreus, A; Liu, B; Dziuba, S (National Mining University, 2019-03-30)Purpose. Investigation of various heat-exchange conditions influence of the tower liquid on the deep wells thermal conditions. Methods. Methods of heat-exchange processes mathematical modeling are used. On the basis of ... -
Power consumption of rock decomposition process during diamond core drilling using pulse flushing
Kozhevnykov, A; Dreus, A (National Mining University, 2018-09-30)Purpose. To study the impact of pulse flushing on the power consumption of rock decomposition during diamond core drilling. Methods. Theoretical analysis, processing of the obtained experimental data. Findings. The ... -
The procedure for determining pressure losses in washing fluid flow in hydraulic system of the core barrel
Kozhevnykov, A; Dreus, A; Baochang, L (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 ...