Zobrazeno 1 - 8
of 8
pro vyhledávání: '"Oleksandr Zhevzhyk"'
Autor:
Iryna Potapchuk, Oleksandr Zhevzhyk, Leonid Kholiavchenko, Vitalii Pertsevyi, Dmytro Bosyi, Tetiana Drubetska, Anna Potapchuk
Publikováno v:
IOP Conference Series: Earth and Environmental Science. 1156:012037
The mathematical model of thermal disintegration of rocks during the reaming of boreholes, which takes into account the compatibility of the thermogas dynamic problem for a high-temperature heat transfer agent and the thermal problem for the rock hea
Publikováno v:
Science and innovation. 15:17-23
Autor:
Oleksandr Zhevzhyk, S. Manigandan, M.M. Zhovtonoha, I.Yu. Potapchuk, А.F. Bulat, Volodymyr I. Yemelianenko, Oleksii I. Voloshyn
Publikováno v:
Nauka ta innovacii. 15:17-23
Introduction. As compared with other ways of thermal destruction of rocks, the rock destruction by low temperature plasma jet has advantage in terms of distribution of cracks in rock at a considerable depth, high heat transfer coefficient and high sp
Energy of low-temperature plasma in the processes of thermal conversions of carbon-containing medium
Autor:
Anatolii Bulat, Leonid Kholiavchenko, Serhii Oparin, Serhii Davydov, Oleksandr Zhevzhyk, Iryna Potapchuk
Publikováno v:
IOP Conference Series: Earth and Environmental Science. 970:012050
One alternative for solving negative environmental impact is to use alternative renewable energy sources. However, technology is evolving and nowadays it cannot meet the needs of emerging economies. A promising direction in the field of clean technol
Autor:
Iryna Yu. Potapchuk, Volodymyr I. Yemelianenko, Oleksandr Zhevzhyk, Oleksandr Lutai, Vitalii A. Pertsevyi
Publikováno v:
E3S Web of Conferences, Vol 109, p 00119 (2019)
Analysis of the perspectives of the coal fuel for thermal power plants is carried out. The necessity of the experimental study for temperature measurement in the boiler furnace. The results of the experimental study are presented: temperature change
Autor:
Iryna Yu. Potapchuk, Oleksandr Zhevzhyk, Nataliia Morozova, Leonid Kholiavchenko, Vitalii A. Pertsevyi, Liudmyla Kabakova, Serhii Davydov, Olena Gupalo
Publikováno v:
E3S Web of Conferences, Vol 168, p 00069 (2020)
A mathematical model of heating of coal particles that move in the initial section of a submerged gas jet within the space between electrodes of reaction chamber of arc-heating reactor is created. The model takes into account convective heat transfer
Publikováno v:
E3S Web of Conferences, Vol 168, p 00048 (2020)
Increase of operating efficiency of mine energy complexes is an actual scientific and technical problem. Systems that utilize energy of low-potential sources and have freon-steam turbines are suggested to be included in mine energy complexes. Princip
Publikováno v:
E3S Web of Conferences, Vol 109, p 00071 (2019)
The work deals with the thermodynamic analysis of the parameters of the gas in a closed volume with rigid walls, during its leakage and heat exchange with the environment. Based on the first law of thermodynamics, the law of Fick and the equation of