Персона: Каримов, Александр Рашатович
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Институт лазерных и плазменных технологий
Стратегическая цель Института ЛаПлаз – стать ведущей научной школой и ядром развития инноваций по лазерным, плазменным, радиационным и ускорительным технологиям, с уникальными образовательными программами, востребованными на российском и мировом рынке образовательных услуг.
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Каримов
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Александр Рашатович
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- ПубликацияОткрытый доступThe influence of velocity field on simple chemical reactions in viscous flow(2019) Taleisnik, M. A.; Savenkova, T. V.; Aksenova, L. M.; Karimov, A. R.; Каримов, Александр РашатовичThe paper looks at the nonlinear dynamics of viscous flow in a compressible spatially homogeneous fluid with chemical reactions. Time-dependent exact solution of the Piseuille type is obtained. Proceeding from this solution, the influence of a viscosity effect and a chemical reaction on the characteristics of nonequilibrium temporal states of the system is considered. Special attention is drawn to the effect of density collapses on the development of chemical reactions.
- ПубликацияОткрытый доступThe Use of Interplanetary Medium as Fuel for Plasma Thrusters(2019) Murad, P. A.; Karimov, A. R.; Yakovlev, O. V.; Каримов, Александр Рашатович© Published under licence by IOP Publishing Ltd.Consuming long-range interplanetary medium as a fuel for driving plasma thrust is crucial. The methods of capturing the space environment depending on its density and the ship velocity are critical issues. The possible ways of creating ionization for neutral fluxes as a function of the solar radiation flux are also analyzed as a potential propellant. These processes define the permissible type of the plasma source. These options look extremely promising where a low thrust device continuously operating, could possibly deliver a celestial target close to the speed of light. Under such conditions at a considerable distance, the density of such material diminishes and it may be impossible to maintain a continuous operation mode of the plasma thruster but instead operate as a pulsed engine which might potentially be workable.
- ПубликацияОткрытый доступResearch of a pulse magnetic system for eliminating electron conductivity in an ion diode for the neutron generation(2020) Vovchenko, E. D.; Karimov, A. R.; Kozlowskii, K. I.; Lisovskii, M. I.; Rashchikov, V. I.; Shikanova, A. E.; Вовченко, Евгений Дмитриевич; Каримов, Александр Рашатович; Козловский, Константин Иванович; Ращиков, Владимир Иванович© Published under licence by IOP Publishing Ltd.The work presents the results of modeling the process of suppressing an electronic component in a small-sized coaxial ion diode by a pulsed magnetic field of a spiral electrodynamic line. Information was obtained on the features of this process, which is necessary for designing a diode with pulsed magnetic insulation.
- ПубликацияОткрытый доступMECHANISMS OF DESTRUCTION AND SYNTHESIS OF LIQUID MEDIA, USED IN THE FOOD INDUSTRY UNDER NON-EQUILIBRIUM CONDITIONS(2019) Savenkova, T. V.; Karimov, A. R.; Каримов, Александр Рашатович; Kondratev, N. B.; Gerasimov, T. V.; Taleysnik, M. A.The formation of food liquid medium structures containing at least 70 % of disperse particles with high dispersiveness has been considered. The possible formation mechanisms of food liquid medium structure when slow (hydrodynamic) and quick (acoustic) processes create favorable conditions for cavitation have been studied. The possibility to control these processes for initiation of mechanical and kinetic reactions that change the structure of the medium has been demonstrated. The invert syrup has been selected as the study object. The change in the invert syrup structure before and after such cavitation treatment has been recorded with the use of metallographic microscope Nikon Eclipse MA100. The decrease in disperse phase sizes from 2–3 Вµm to 0.1–0.4 Вµm along with establishing the high uniformity of component distribution as compared to the syrup without cavitation process treatment has been detected.
- ПубликацияОткрытый доступPlasma Accelerator Utilizing the Medium of Near-Earth Space for Orbital Transfer Vehicles(2023) Karimov, A. R.; Murad, P. A.; Yamschikov, V. A.; Baranov, D. S.; Каримов, Александр РашатовичThe development of plasma accelerators for spacecraft propulsion that can capture space matter and energy shows great promise for spacecraft advancement. Such a technical approach offers a viable solution to the challenges associated with traditional rocket fuel. In the present paper, we explore the utilization of interplanetary matter as fuel for plasma thrusters on space vehicles, specifically for flights within the vicinity of Earth. Herein, solar radiation is considered a source of energy for the ionization and acceleration of particles captured from the space environment.