Browsing Physical & Chemical Geotechnologies = Фізико-хімічні геотехнології by Title

GEO-ENERGETICS OF UKRAINIAN SHIELD

KHOMENKO, Oleh; KONONENKO, Maksym (2018)

The analysis and systematization of geodynamic conditions of underground mining of ore deposits in Ukraine is executed. The issue of description of natural condition of rocks in world practice is enclosed.

GEOMECHANICAL PROCESS MODELING IN THE BLACK SEA SEALED SEALS AT THE DEVELOPMENT OF GAS HYDRATE DEPOSITS BY JET TECHNOLOGY

VLASOV, Sergey; BABENKO, Volodymyr (2018)

Simulate physical and mechanical processes of the bottom layer, arising during at the development of gas hydrate deposits with using jet technology.

HARDENING OF PARTS OF TURBINE ENGINE AXIAL-FLOW COMPRESSOR ROTOR

KACHAN, A.; ULANOV, S. (2018)

Investigation on the hardening of parts of the axial-flow compressor rotor.

Hydrodynamic and geomechanical stability of dump territories of mining and electric power enterprises

Tymoshchuk, Vasyl; Sherstiuk, Yevheniia (Видавництво НТУ ДП, 2020)

Purpose. Substantiation the criteria of hydrodynamic and geomechanical stability of waste dumps and adjacent territories by results of comprehensive study of technogenic mode patterns. Methodology. The study was ...

HYDROPULSE SYSTEM WITH POWERFUL PROTECTION OF MINING MACHINES FROM FLUCTUATIONS

SHEVCHUK, Stepan; SLIDENKO, Viktor (2018)

Improvement of the structure, definition of rational parameters of the transient devices of the hydraulic pulse system (HPS) and evaluation of the efficiency of the use of repulsive clusters (RC) for ...

IMPACT OF STRAY CURRENTS IN ELECTRICAL SYSTEMS OF UNDERGROUND TRANSPORT: AN OVERVIEW AND METHODS FOR SOLVING PROBLEMS

GOLOVCHENKO, Anatoliy; BOLSHENKO, Oleksandr (2018)

The metro system in the modern world is widely used in the urban transport system. Nevertheless, many negative consequences, such as electrochemical corrosion on the metro route caused by a wandering ...

IMPLEMENTATION OF THE COMBINED RELAY PROTECTION SYSTEMS IN DISTRIBUTION GRIDS WITH SEVERAL SOURCES

LUTSENKO, Ivan; TSYHAN, Pavlo; KOSHELENKO, Ievgenii; RUKHLOVA, Nataliia (2018)

Creation and integration of relay protection combined structures based on microelectronic and electromechanical elements into distributed electric networks for costs reducing and improvement of their operation ...

Improving efficiency of iron ore thickening and deslurrying

Morkun, Volodymyr; Morkun, Natalia; Tron, Vitalii; Serdiuk, Oleksandra; Haponenko, Iryna; Haponenko, Alena (Видавництво НТУ ДП, 2020)

Purpose. The research is aimed at improving efficiency of thickening and deslurrying products of iron ore concentration and quality of magnetite concentrate by means of dynamic effects of controlled ...

Improving the efficiency of pneumopercussion machines

Antonchik, Vladimir; Zabolotny, Kostiantyn; Hankevich, Valentyn; Maltseva, Vira; Kuts, Oleksandra (Видавництво НТУ ДП, 2020)

Purpose. Using the special pneumopercussion machines it is improving the efficiency of the process of the thermodynamic processes in the working chambers. Methodology. The studies were carried on thermodynamic ...

INCREASE OF THE ENERGY EFFICIENCY OF THE HUGE INDUSTRIAL POWER-CONSUMING EQUIPMENT

LUTSENKO, Ivan; TSYHAN, Pavlo; KOSHELENKO, Ievgenii; RUKHLOVA, Nataliia (2018)

Development of the methodological approaches to increase the energy efficiency of power-consuming technological complexes of Ukrainian industrial enterprises using the consumer-regulator (CR) mode of their ...

INCREASING OF ENERGY EFFICIENCY OF COAL MINING USING DATA ANALYSIS METHODS

SOTSKOV, Vadym (2018)

Analysis of the influence of geological and mining technical factors on the drift stability to determine the reliable and effective support of workings during the service period.

INCREASING THE EFFICIENCY OF ROCK DESTRUCTION BY BOREHOLE CHARGES

KURINNYI, Vladimir; GARKUSHA, Igor (2018)

Study of the processes that determine the low utilization rate of the energy of the explosion of a borehole charge, and consider ways to increase it.

INCREASING THE LEVEL OF PHYSICAL AND MECHANICAL PROPERTIES OF COLD-ROLLED STEEL OF THE BRAND DC01 IN ORDER TO ENSURE ITS REQUIREMENTS EN 10130 IN THE CONDITIONS OF PJSC "ZAPORIZHSTAL"

TISHCHENKO, A.; PANCHENKO, G.; SPICHAK, A.; SEREDA, B. (2018)

Increasing the level of physical and mechanical properties of cold- rolled steel.