Alexander A. Shchipkov

Average flow rate effect on the reliability of submersible electric motors of borehole pumping units in uranium mining by the in-situ leaching method

Alexander A. Yefremov, Mikhail D. Noskov, Alexander A. Filipas, Alexander A. Shchipkov

Relevance. The reliability of borehole pumping units used for uranium in-situ leaching mining is largely determined by the performance of submersible electric motors. Operating a submersible electric motor in modes other than its nominal value reduces the expected service life of the …

ru (code pays fourni par la source)

Probabilistic reliability model of electrical motors in submersible well pumping units used in the uranium mining by in-situ leaching

Alexander A. Yefremov, Kamol K. Kadyrov, М. Д. Носков, Alexander A. Filipas et autres

Relevance. A submersible electric motor is the most vulnerable component of an electric centrifugal pumping unit used in in-situ leaching uranium mining. The accuracy of calculating the need for new electric motors directly affects the profitability of the uranium production. Aim. Development …

ru (code pays fourni par la source)

Comparative estimation of a random error component of automatic well level gauges based on processing measurements of earth-tidal level of groundwater

Taras Yu. Zavedy, Nikita R. Adonin, Oleg N. Kokorev, Alexander A. Shchipkov

Relevance. Introduction of autonomous digital level gauges allows significantly expanding the range of tasks solved in various fields of geology and ecology, by increasing the frequency of measurements and applying mathematical processing methods to avoid distortions of different nature. The expansion of …

ru, us (code pays fourni par la source)

The concept of automated monitoring system of formation water level for the purpose of technological process control of the EGP LRW exploitation

O.N. Kokorev, Noskov, Alexander A. Shchipkov, Alexey Kozlov

ru (code pays fourni par la source)