Search Results - "Boiko, M V"

Dynamics of motion of a pair of particles in a supersonic flow by Utkin, P. S., Sidorenko, D. A., Boiko, V. M.

“…The problem of motion dynamics of two particles in a supersonic flow behind an incident shock wave was considered numerically and experimentally. The…”
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Stripping Modes of Water Droplet Breakup in Shock Waves by Boiko, V. M., Poplavski, S. V.

“…The paper is a summary of experimental studies of water droplet breakup in the flow behind the shock wave in the range of gas flow velocities   m/s. A change…”
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ENERGY APPROACH TO ESTIMATING THE QUALITY OF THE SPRAY GENERATED BY A MODEL PNEUMATIC ATOMIZER by Boiko, V. M., Nesterov, A. Yu, Poplavski, S. V.

“…The efficiency of fluid atomization by an atomizer is studied as a function of the spray energy. The dependence of the maximum values of energy on the fluid…”
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Neutron Radiation Effects in Epitaxially Laterally Overgrown GaN Films by Polyakov, A. Y., Smirnov, N. B., Govorkov, A. V., Markov, A. V., Yakimov, E. B., Vergeles, P. S., Kolin, N. G., Merkurisov, D. I., Boiko, V. M., Lee, In-Hwan, Lee, Cheul-Ro, Pearton, S. J.

“…Neutron radiation effects were studied in undoped n-GaN films grown by epitaxial lateral overgrowth (ELOG). The irradiation leads to carrier removal and…”
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Structure of a supersonic gas-liquid jet at high liquid concentrations by Boiko, V. M., Lotov, V. V., Nesterov, A. Yu, Poplavski, S. V.

“…Supersonic gas-liquid jets of a coaxial atomizer at high liquid concentrations are studied experimentally. A complex of optical techniques is used for studying…”
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Spray influence on the gas-dynamic structure of a supersonic underexpanded jet by Boiko, V. M., Lotov, V. V., Nesterov, A. Yu, Poplavski, S. V.

“…The goal of the study is to investigate the gas-dynamic structure of a supersonic underexpanded jet in the presence of a liquid spray as applied to the topic…”
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Liquid atomization in a high-speed coaxial gas jet by Boiko, V. M., Nesterov, A. Yu, Poplavski, S. V.

“…The paper studies the process of liquid atomization in high-speed gas jets with application to a subject of high-rate fuel nozzles. Experiments were carried…”
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RADIATION-INDUCED CHANGES IN THE STRUCTURE AND FERROELECTRIC PROPERTIES OF Pb5Ge3O11 SINGLE CRYSTALS by Stash, A. I., Ivanov, S. A., Boiko, V. M., Ermakov, V. S., Stefanovich, S. Yu, Mosunov, A. V.

“…Perfect stoichiometric Pb 5 Ge 3 O 11 single crystals are irradiated with 60 Co γ-rays (1·10 6  Rad) and high-energy electrons (0.13 e/cm 2 , 0.89 e/cm 2 ,…”
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Formation of Boundary Lubricating Films at Friction in Sunflower Oil with Addition of 1,3-Diketones by Boiko, M. V., Sidashov, A. V., Boiko, T. G.

“…— The operation lifetime of friction units depends on properties of boundary layers, formed by lubricants. The highest adhesion to metal surfaces is…”
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Properties of CrAlSiN Coatings: Spectroscopic Research by Sidashov, A. V., Boiko, M. V., Kozakov, A. T., Manturov, D. S.

“…The variation in chemical composition of a CrAlSiN coating over the depth is studied, as well as its adsorbent properties. The hardest and most wear-resistant…”
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Formation of Boundary Lubricant Films during Friction in Synthetic Oil Modified by Naphthalene Derivatives by Boiko, M. V., Bicherov, A. A., Boiko, T. G., Sychev, A. A.

“…The influence of added naphthalene derivatives on the formation of boundary lubricant films during frictional processes in synthetic dioctyl sebacate oil is…”
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Effect of High-Energy Electron Irradiation on the Structural, Dielectric, and Nonlinear Optical Properties of Single Crystals of Pb5(Ge1–хSix)3O11 (0 ≤ x ≤ 0.55) Solid Solutions by Ivanov, S. A., Stash, A. I., Bush, A. A., Kozlov, V. I., Stefanovich, S. Yu, Boiko, V. M., Ermakov, V. S.

“…Stoichiometric single crystals of Pb 5 (Ge 1– х Si x ) 3 O 11 solid solutions (0 ≤  x  ≤ 0.55) are obtained by slow cooling of 5PbO·3(1– y )GeO 2 ·3 y SiO 2…”
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Formation of Surface Structures under Friction in Synthetic Oils by Sidashov, A. V., Boiko, M. V., Kozakov, A. T., Lesnyak, V. V.

“…The interaction of transmission oils based on pentaerythritol esters and organosiloxane liquids with a surface of AISI 420S steel was studied. It was found…”
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Estimation of the Fatigue Strength of a Plate Traction Chain by Wang, J., Kun, P. S., Lenkovskyi, T. M., Vikovych, I. A., Boiko, V. M.

“…We present the results of simulations of the stress-strain state of a traction chain by the finite-element method with regard for the contact interaction and…”
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Investigation of the Relationship between Electrification and Tribochemical Reactions in Metal–Polymer Systems by Boiko, M. V., Avilov, V. V., Bicherov, A. A., Ananko, A. M., Boiko, T. G.

“…The study investigates the relationship between electrification of bodies and tribochemical processes of destruction of a composite material. The evolution of…”
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Influence of Formation of Nanocomposite Films on Friction Surfaces on the Antifriction Properties of Transmission Oil by Ponomarenko, A. G., Kolesnikov, I. V., Bicherov, A. A., Shiryaeva, T. A., Nikogosov, M. V., Boiko, M. V.

“…The processes of the formation of composite films on friction surfaces in the presence of ester, ligand, and copper nanopowder were investigated. The formation…”
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Environmentally Safe Transmission Oil for a Helicopter Tail Gearbox by Boiko, M. V., Kolesnikov, I. V., Bicherov, A. A., Boiko, T. G.

“…Environmentally safe transmission gear oil based on pentaerythritol esters for the tail gearbox of the MI-26T helicopter is developed. Sulfurized castor oil is…”
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Tribological Characteristics of Chemically Inactive Surfaces in Lubricants Doped with Cholesterol and Fatty Acid Compounds by Ermakov, S. F., Sychev, A. P., Kolesnikov, I. V., Boiko, M. V., Sychev, A. A., Sokolov, S. I., Kravchenko, A. Yu

“…— It is found that in inactivated vaseline oil, with the addition of oleic acid, the glass samples characterized by the destruction of the contacting surfaces…”
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Kinetics of Antifriction Film Formation in Sunflower Oil by Boiko, M. V., Kolesnikov, I. V., Boiko, T. G., Bicherov, A. A.

“…—This paper is devoted to determining the kinetic regularities of the formation of surface antifriction films in refined sunflower oil. IR ATR spectroscopy…”
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Relative statistic fluctuation of sliding friction force by Bulgarevich, S. B., Boiko, M. V., Feizova, V. A.

“…The relative fluctuation of sliding friction force in a stationary friction regime has been estimated by the statistic theory of the fluctuation of adaptive…”
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