Showing 41 - 55 results of 55 for search '"gas dynamics"', query time: 0.05s Refine Results
  1. 41

    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

    Published 2019-10-01
    “…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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    Article
  2. 42

    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

    Published 2020-01-01
    “…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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  3. 43

    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

    Published 2024-10-01
    “…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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  4. 44

    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

    Published 2020-01-01
    “…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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  5. 45

    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

    Published 2022-03-01
    “…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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    Article
  6. 46

    METHODOLOGY FOR RAPID DETECTION OF ABNORMAL GAS SITUATIONS AT THE EXCAVATION SITES OF MINES by V. V. Kupriyanov

    Published 2020-05-01
    “…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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    Article
  7. 47

    Experimental Study on Directional Fracture Blasting of Cutting Seam Cartridge by Renshu Yang, Jinjing Zuo

    Published 2019-01-01
    “…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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    Article
  8. 48

    New version of Universal modeling method for centrifugal compressors calculation development by Yu. B. Galerkin, A. A. Drozdov

    Published 2019-06-01
    “…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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    Article
  9. 49

    Verification of Thermal Models of Internally Cooled Gas Turbine Blades by Igor Shevchenko, Nikolay Rogalev, Andrey Rogalev, Andrey Vegera, Nikolay Bychkov

    Published 2018-01-01
    “…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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  10. 50

    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

    Published 2022-01-01
    “…The research results will provide a theoretical basis for gas dynamic disasters induced by blasting disturbance in normal fault structures. …”
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    Article
  11. 51

    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

    Published 2020-12-01
    “…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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  12. 52

    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

    Published 2021-04-01
    “…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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  13. 53

    About the modeling of light beam self-focusing in plasma at the irradiation of the target by power UV laser by I. G. Lebo

    Published 2021-03-01
    “…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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  14. 54

    Experimental Study of Methods of Increasing the Efficiency of a Direct-Flow Air-Jet Detonation Engine by Vitalii Stoliarchuk, Oleksandr Zolotko, Oleksandr Aksonov

    Published 2023-06-01
    “…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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  15. 55

    Analysis of the Effectiveness of Variants of the Exhaust Compartment of a Steam Turbine by V. G. Solodov, V. A. Konev

    Published 2020-08-01
    “…The results of a numerical study of the gas-dynamic and power characteristics of the exhaust compartment of low-pressure cylinder, including the last stage with a blade of 1100 mm length and the exhaust path, in terms of their interaction are presented. …”
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