Content №2 2021

Geology 5
M. M. Roy, O. O. Akulshin, V. V. Solovyov, V. H. Usenko, I. V. Limar The optimal method for assessing gas reserves based on the calculation of gas hydrodynamic parameters 5
M. A. Mizernaya, B. A. Dyachkov, A. P. Pyatkova, A. P. Miroshnikova, Z. I. Chernenko Leading genetic types of base metal deposits of Rudny Altai 11
Mining 17
V. H. Shapoval, O. V. Solodyankin, O. Ye. Hryhoriev, O. I. Dubovyk Determining the parameters of a natural arch while forming support load of a horizontal roadways 17
Solid State Physics, Mineral Processing 26
A. Selegej, V. Ivaschenko, V. Golovko, R. Kiriya, L. Kvasova Coefficient of local loss of mechanical energy of the flow for a ­mixture of charge materials 26
M. V. Chernyavskyy, A. M. Voronov, O. V. Moiseienko, S. H. Duliienko, T. M. Monastyriova Predicting changes in the sulfur content during steam coal preparation and the level of sulfur dioxide emissions when its combustion 32
Geotechnical and Mining Mechanical Engineering, Machine Building 40
F. I. Abramchuk, A. M. Avramenko, A. P. Kuzmenko Investigation on the process of injection of commercial grade and blended fuel in a diesel engine 40
Yu. S. Rud, V. Yu. Bilonozhko New aspects of the methodology for assessing the complexity of the structure of technological systems of the mining and metallurgical complex 47
Refat Mohammed Abdullah Eshaq, Eryi Hu, Ameen A. Alshaba, Aiman A. M. Alsenwi Feasibility study of exploiting gearbox oil temperature of wind turbine for improving a heat pump water heater in cold areas 54
O. M. Dubovoy, A. A. Karpechenko, M. M. Bobrov, O. S. Gerasin, O. O. Lymar Electric arc spraying of cermet coatings of steel 65G-Tic system 63
M. M. Kononenko, O. Ye. Khomenko, I. L. Kovalenko, M. V. Savchenko Control of density and velocity of emulsion explosives detonation for ore breaking 69
Z. N. Matsuk, T. V. Bunko, A. S. Belikov, V. A. Shalomov Regularities of safe control of piston compressor units of mobile compressor stations 76
V. V. Kalchenko, S. D. Tsybulya, A. V. Kolohoida, Ye. Yu. Sakhno, S. V. Boyko Determination of the cutting force components while milling cylindrical surfaces with an oriented tool 82
Power Supply Technologies 89
M. Zagirnyak, A. Perekrest, V. Ogar, Ye. Chebotarova, O. Mur Segmentation of heat energy consumers based on data on daily power consumption 89
Yu. A. Papaika, O. H. Lysenko, Ye. V. Koshelenko, I. H. Olishevskyi Mathematical modeling of power supply reliability at low voltage quality 97
O. Voznyak, N. Spodyniuk, O. Savchenko, I. Sukholova, M. Kasynets Enhancing energetic and economic efficiency of heating coal mines by infrared heaters 104
Environmental Safety, Labour Protection 110
N. A. Zaiets, O. V. Savchuk, V. M. Shtepa, N. M. Lutska, L. O. Vlasenko The synthesis of strategies for the efficient performance of sophisticated technological complexes based on the cognitive simulation modelling 110
V. V. Hnatushenko, T. A. Zheldak, L. S. Koriashkina Mathematical model of steel consumption minimization considering the two-stage billets cutting 118
O. P. Mitryasova, V. D. Pohrebennyk, O. S. Petrov, Ye. M. Bezsonov, V. M. Smyrnov Environmental water security policy in the EU, Ukraine and other developing countries 125
I. Perevozova, H. Havrysh, S. Koliadenko, N. Yurchuk, O. Shapoval Analysis and forecast of production and utilization of industrial waste in Ukraine 131
M. Serbov, O. Hryb, V. Pylypiuk Assessment of the ecological risk of pollution of soil and bottom sediments in the Ukrainian Danube region 137
M. Boudiaf, R. Chaib, M. Fredj Assessment of potential dangers of installations at Rhourde Nouss station within the framework of The Law 45/DG (Ouargla, Algeria) 145
A. N. Nikulin, I. S. Dolzhikov, L. V. Stepanova, V. A. Golod Assessment of noise impact on coal mine workers including way to/from workplace 151
S. G. Gendler, M. V. Tumanov, L. Yu. Levin Principles for selecting, training and maintaining skills for safe work of personnel for mining industry enterprises 156
Information Technologies, Systems Analysis and Administration 163
R. Yu. Korolkov, S. V. Kutsak Analysis of attacks in IEEE 802.11 networks at different levels of OSI model 163
Economy and Management 170
A. A. Khodzhaian, A. I. Ignatyuk, V. V. Korneev, A. R. Khodzhaian Modeling of the structural shift impact on economic dynamics of Ukraine's development 170
I. Golubkova, O. Sienko, N. Lysenko, T. Frasyniuk, I. Parkhomenko Criteria for the management of a sustainable and safe positioning of the fleet in the conditions of globalization 178
O. Tsimoshynska, M. Koval, H. Kryshtal, L. Filipishyna, W. E. Arsawan, V. Koval Investing in road construction infrastructure projects under public-private partnership in the form of concession 184
T. Beridze, A. Cherep, Z. Baranik, V. Korenyev, I. Vasylchuk Analysis of the regression model of the enterprise’s financial activity by research on residual error 193
Y. Klius, Ye. Ivchenko, Y. Ivchenko, M. Manukhina, M. Melnik Development of the integrated innovation management approach at industrial enterprises in post conflict transformation 198



https://doi.org/10.33271/nvngu/2021-2

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ISSN (print) 2071-2227,
ISSN (online) 2223-2362.
Journal was registered by Ministry of Justice of Ukraine.
Registration number КВ No.17742-6592PR dated April 27, 2011.

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