NEW-GENERATION STAINLESS STEEL SYSTEMS FOR METALLURGICAL PRODUCTION by A. I. Zolotukhin, A. G. Golovko, E. I. Gordeev, D. А. Provotorov

“…The article deals with the development of devices for mechanization and automation of metal flow control – steel-pouring ladles sliding gates of the new generation of Vulkan-TM production, the history of their production.The various technical solutions underlying the creation of the sliding gates of the «VT» series, innovative solutions used in design of the sliding gates layouts and their competitive advantages are shown.The design and operation principle of the new development – the device for gas-dynamic protection of the metal stream from secondary oxidation is described.…”
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Centrifugal compressors of turboexpander units: development of approaches and experience of optimal design by Yu. B. Galerkin, A. F. Rekstin, V. B. Semenovskiy, L. N. Marenina, O. A. Solovyeva, A. A. Drozdov, L. N. Rozanov, P. N. Brodnev

“…The process of designing a new turboexpander unit using the Universal modeling method consists of several stages: preliminary design, optimization, calculation of gas dynamic characteristics. The development of modern computational methods and the accumulation of experimental research results has allowed to improve mathematical models in the field of calculation and design of CC turbo-expander units. …”
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On Stack Reconstruction Problem by V. D. Akeliev, V. D. Sizov, V. V. Pitirimov

“…The paper reveals the possibility to reconstruct stacks while using gas discharging channel made of composite material on the basis of glass-reinforced plastic which permits to reduce thermo-stressed actions on reinforced concrete and increase volume of released gases due to practically two-fold reduction of gas-dynamic pressure losses along the pipe length.…”
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Enhancement of Aeroengine Combustion Chamber Air Cooling Holes Design for Emission Reduction and Pattern Factor Control by Masoud Hajivand

“…It is important to emphasize that the mean deviation of gas dynamic results obtained from AxStream and CFD simulation results was found to be insignificant, hence the CFD approach has been validated. …”

Design of compressor unit based on wave compressor with magnetoelectric drive for extraction of hydrocarbons in Arctic shelf by S. V. Goryunov, D. A. Morozov, O. V. Belova, E. V. Krestovskikh, D. A. Kalinkin, K. A. Kolesov

“…The efficiency criteria for the Arctic gas-producing complexes are satisfied by a compressor based on the gas-dynamic vibration scheme, the principle of kinetic compression and volumetric gas injection during oscillatory movement of the piston-nozzle in the sound frequency range. …”
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Improving the efficiency of adsorption filters with a short diffuser by improving their flow part by A. S. Korneeva, N. Yu. Filkin

“…The design process of the flow path of such filters is considered, which includes the stages of determining the parameters of the adsorbent layer, modeling gas-dynamic processes using numerical methods in the ANSYS CFX program and analyzing the results. …”
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A Time-Discontinuous Galerkin Finite Element Method for the Solution of Impact Problem of Gas-Saturated Coal by Jingfei Zhang, Deyong Guo, Wenhua Wu, Pan Guo

“…The results can provide a technological basis for the research of the prevention of coal and gas dynamic disasters under deep mining. And the method could be useful for the further numerical research of coal-rock-gas coupling problems and coal-gas-heat coupling problems subjected to impact loading.…”
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The influence of reality gas calculation methods on the gasdynamic characteristics of a gas pumping unit centrifugal compressor by O. A. Solovyeva, I. S. Sharikov, N. I. Sadovsky

“…In this paper, a comparison of four methods is presented, and the calculation of a centrifugal compressor is performed taking into account the values of the compressibility factor obtained according to these methods. The calculated gas dynamic characteristics are compared with experimental data and discrepancies are revealed at different rotor speeds.…”
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Possibilities for the Application of Low-Temperature Argon Plasma in the Treatment of Postoperative and Long-Term Non-Healing Wounds by S. A. Frolov, A. M. Kuzminov, D. V. Vyshegorodtsev, V. Yu. Korolik, N. V. Tuktagulov, M. A. Sukhina, I. A. Mukhin

“…Its therapeutic effect is achieved by means of the gas-dynamic effect, i.e. an argon flow with a high heat content and wide-spectrum recombination radiation — from the vacuum ultraviolet region to the near infrared range, as well as by means of the pronounced catalytic properties of gaseous argon, which is important for a number of biochemical reactions. …”
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I. Ivkovic-Kihic, M. Read, Sh. Rane, A. Kovacevic. «Compressors and their systems». Post conference report / trans. from Engl. M. A. Fedorova by M. A. Fedorova

“…In addition, within the framework of the conference, a traditional short training course and a Forum on CFD (gas dynamic calculations) in rotary positive displacement machines were held. …”
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METHODOLOGY FOR RAPID DETECTION OF ABNORMAL GAS SITUATIONS AT THE EXCAVATION SITES OF MINES by V. V. Kupriyanov

“…The following provisions were applied: the appearance of abnormal gas situations leads to a rupture of the interaction of gas dynamic processes at the sites of recording methanegrams, and the presence of a link indicates a «regular» development of situations. …”
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Experimental Study on Directional Fracture Blasting of Cutting Seam Cartridge by Renshu Yang, Jinjing Zuo

“…The research results show that during cartridge explosion, the cutting seam pipe can effectively control the energy release and detonation gas dynamic behaviors. Additionally, the cartridge blast wave and the detonation gas remain highly symmetrical in expansion form. …”
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New version of Universal modeling method for centrifugal compressors calculation development by Yu. B. Galerkin, A. A. Drozdov

“…Similarity theory principles are widely applied in gas dynamic design. But completely new solutions must be realized on a base of engineering approaches to predict performances. …”
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Verification of Thermal Models of Internally Cooled Gas Turbine Blades by Igor Shevchenko, Nikolay Rogalev, Andrey Rogalev, Andrey Vegera, Nikolay Bychkov

“…The verification is usually performed on the basis of results of test of full-size blade prototype on a gas-dynamic test bench. A method of calorimetric measurement in a molten metal thermostat for verification of a thermal model of cooled blade is proposed in this paper. …”
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Damage Characteristics Caused by Deep-Hole Blasting near Normal Fault and Its Effects on Coal and Gas Outbursts by Kui Gao, Guodong Qiao, Zegong Liu, Wei Xia

“…The research results will provide a theoretical basis for gas dynamic disasters induced by blasting disturbance in normal fault structures. …”
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Mathematical model of the 9th version Universal modeling method: features and results of identification by A. A. Drozdov, Yu. B. Galerkin, O. A. Solovyeva, K. V. Soldatova, A. A. Ucehovscy

“…Determining the non-incidence inlet in a blade cascade is an important part of calculating the compressor gas-dynamic characteristics. In the 8th version of the Universal modeling method, a formula is used to calculate the direction of the critical stream line, containing an empirical coefficient X. …”
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Improving the quality of design calculations of viscous flow in low-flow centrifugal compressor stages by methods of computational fluid dynamics through reasonable application of... by S. V. Kartashev, Yu. V. Kozhukhov

“…For highReynolds turbulence models, at values of y+=25...50 on all friction surfaces of the computational domain in the optimal mode of operation, the grid independence of the solution for the entire gas-dynamic characteristic is ensured. It is unacceptable for y+ to fall into the transition region of 4...15 between the viscous sublayer and the region of the logarithmic velocity profile.…”
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About the modeling of light beam self-focusing in plasma at the irradiation of the target by power UV laser by I. G. Lebo

“…Numerical simulations were carried out on the gas-dynamic profiles (linear and exponential). It was shown that thermal self-focusing could develop at the conditions of “GARPUN” experiments (~ 1 mm longitudinal plasma, moderate radiation intensity: 1011–1012(W/cm2) × µm2).  …”
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Experimental Study of Methods of Increasing the Efficiency of a Direct-Flow Air-Jet Detonation Engine by Vitalii Stoliarchuk, Oleksandr Zolotko, Oleksandr Aksonov

“…At such a rate of fuel energy release, the thermo-gas dynamic characteristics of the engine are improved, the prerequisites are created for simplifying the design of the combustion chamber, reducing the size, volume, and weight of the engine, improving thermodynamic efficiency, a significant gain in technical characteristics and a high degree of structural perfection of promising engine installations. …”
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On the nature of a large anticlinal fold in the Upper Kama salt deposit, its geomechanical and gas-geochemical zonality by I.I. Chaikovskiy, O.V. Ivanov, I.L. Pan’kov, E.P. Chirkova

“…Large (more than 10 m in height) folds complicate the longwall mining of potash salts and are accompanied with the formation of foci of gas-dynamic phenomena. In this study, to identify the folding nature, changes in the physical properties of its rocks, and the distribution of gases, we analyzed the structural plan of the mined formation, performed structural geological observations, determined the amount and composition of associated gases, and identified the deformation parameters of salts. …”
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