Browsing 2020 №2(34) by Title

Now showing items 1-20 of 21

A method for increasing the efficiency of a wind turbine

Yershina, A.K.; Sakipova, S.E. (of the E.A. Buketov KarU publ., 2020-03)

The article discusses the possibilities of improving the energy efficiency of wind turbines. A brief analysis of the current state of development of alternative energy, in particular wind energy in Kazakhstan, is considered. ...
Analysis of the applicability of physical models to describe densification of lithium ferrite compacts during sintering in the field of intense electron beam

Surzhikov, A.P.; Lysenko, E.N.; Malyshev, A.V.; Kassymov, S.S. (of the E.A. Buketov KarU publ., 2020-03)

The paper analyzes the possibility of describing the accelerated sintering of lithium-titanium compacts under high-power radiation effects in terms of classical physical models developed by Kuczynski and Johnson based on ...
Composition and structure of composite coatings based on metal oxides and polytetrafluoroethylenedeposited under conditions of electron-initiated endothermic processes

Surzhikov, А.P.; Chicherina, N.V.; Rogachev, A.V.; Yarmolenko, M.A.; Rudenkov, A.S.; Rogachev, A.A.; Wang Jicheng (of the E.A. Buketov KarU publ., 2020-03)

In this article features of physicochemical processes initiated by the low-energy electron flow between the components of the target based on nitrates of metals and metals, their influence on the kinetics of the formation ...
Darrieus type wind turbine with controlled blades

Кауаn, V.; Lebid, O. (of the E.A. Buketov KarU publ., 2020-03)

The results of studies on possibility of increasing efficiency in the use of wind energy and improving the dynamic characteristics of Darrieus wind turbine with straight blades are described. It is shown how the values of ...
Design-basis justification for implementing targeted energy release in test objects of the impulse graphite reactor

Vityuk, V.A.; Vityuk, G.A.; Skakov, M.K.; Zhagiparova, L.K. (of the E.A. Buketov KarU publ., 2020-03)

The article presents the approaches and technical solutions applied to assure preset axial and radial distribution of energy release in simulative fuel rods and fuel assemblies in the tests at the impulse graphite reactor. ...
Determination of the influence of the phase composition of Cu-Bi coatings on the efficiency of shielding from ionizing radiation

Kadyrzhanov, K.K.; Shlimas, D.I.; Kaniukov, E. Yu.; Kaliyekperov, M.E. (of the E.A. Buketov KarU publ., 2020-03)

The work is devoted to the study of the efficiency of shielding the radiation exposure of heavy ions depending on the phase composition of Cu-Bi coatings. As a method of producing protective coatings, an electrochemical ...
Deuterium trapping in tungsten irradiated with deuterium plasma at high temperatures

Rakhadilov, B.K.; Skakov, М.K.; Miniazov, A.Zh.; Zhurerova, L.G.; Nugumanova, A.B.; Khassenov, A.K.; Karabekova, D.Zh. (of the E.A. Buketov KarU publ., 2020-03)

This work was attended to the study of the accumulation of deuterium, also to the investigation of the process of capture of deuterium in tungsten samples upon irradiation with a plasma beam. It was shown that after ...
Electric pulse method for producing a small-dispersed product of coal-water fuel

Khassenov, A.K.; Nussupbekov, U.B.; Karabekova, D.Zh.; Stoev, M.; Bolatbekova, M.M. (of the E.A. Buketov KarU publ., 2020-03)

One of the most pressing issues is the effective use of coal combustion in the form of water-coal fuel, which has a number of advantages over layer or pulverized combustion. Coal-water fuel has a number of economic, ...
Formation of magnetic properties of ferrites during radiation-thermal sintering

Stary, O.; Malyshev, A.V.; Lysenko, E.N.; Petrova, A. (of the E.A. Buketov KarU publ., 2020-03)

The results of a comparative analysis of the laws governing the formation of ferrite hysteresis loop parameters sintered in thermal and radiation-thermal conditions were shown. The influence of radiation exposure on the ...
Fractal-structural analysis of convection heat transfer in a turbulent medium

Turmukhambetov, A.Zh.; Aitmanovа, K.A.; Оtegenova, S.B. (of the E.A. Buketov KarU publ., 2020-03)

The features of convective heat transfer of bodies in a turbulent environment are considered. The results of experimental research by one of the authors are discussed. Experimental data show that the heat transfer of a ...
Hydrophobization of pet track-etched membranes for direct contact membrane distillation of liquid radioactive wastes

Yeszhanov, A.B.; Dosmagambetova, S.S. (of the E.A. Buketov KarU publ., 2020-03)

This article provides the results of liquid low-level radioactive wastes treatment by direct contact membrane distillation using polyethylene terephthalate hydrophobic track-etched membranes. The hydrophobization of ...
Investigation of optical and electrophysical characteristics of composite films nio/pedot:pss

Aimukhanov, A.K.; Zeinidenov, A.K.; Omarbekova, G.I.; Plotnikova, I.V. (of the E.A. Buketov KarU publ., 2020-03)

This work presents the results of a study of the morphological, optical, and electrophysical parameters of Nickel Oxide/poly(3,4-ethylenedioxythiophene) polystyrene sulfonate (NiO/PEDOT:PSS) composite films. It is shown ...
Nitrogening hydraulic cylinder rods

Yurov, V.M.; Guchenko, S.A.; Salkeeva, A.K.; Kusenova, A.S. (of the E.A. Buketov KarU publ., 2020-03)

The paper considers the method of ion-plasma nitriding of polished rods of hydraulic cylinders. With ion nitriding, the surface hardening of parts is most pronounced. This is due to the fact that the surface layer of the ...
On the structure of cohomological models of electrodynamics and general relativity

Arkhipov, V.V.; Aringazin, A.K.; Kudussov, A.S. (of the E.A. Buketov KarU publ., 2020-03)
Particle swarm optimization with individually biased particles for reliable and robust maximum power point tracking under partial shading conditions

Baktybekov, K.; Kurmanbay, A.; Sakhanov, K.; Syzdykov, A.; Mukhamediyev, A. (of the E.A. Buketov KarU publ., 2020-03)

Efficient power control techniques are an integral part of photovoltaic system design. One of the means of managing power delivery is regulating the duty cycle of the DC to DC converter by various algorithms to operate ...
Static interaction of rough surfaces under normal force

Khairaliyev, S.; Kaishubayeva, N.; Spitas, Ch.; Dzhundibayev, V. (of the E.A. Buketov KarU publ., 2020-03)

Modern mechanical engineering designs (and some others) make more and more demands on the development of mathematical models of units in which friction is present. A condition that significantly complicates the study of ...
Technology and equipment for processing of large-sized vermiculite micas of the kovdor deposit

Nizhegorodov, A.I.; Gavrilin, A.N.; Moyzes, B.B.; Kuvshinov, K.A. (of the E.A. Buketov KarU publ., 2020-03)

The development of technology and equipment for the processing of large-sized vermiculite mica obtained from mining waste from the Kovdorsky deposit allows the large-scale vermiculite to be returned to processing industry. ...
The heat pump system for ventilation and air conditioning inside the production area with an excessive internal moisture generation

Bezrodny, M.K.; Misiura, T.O. (of the E.A. Buketov KarU publ., 2020-03)

The paper studies application feasibility and energy efficiency of the ventilation and air conditioning heat pump system for maintaining comfort conditions inside the production area with an excessive internal moisture ...
The object tracking algorithm using dimensional based detection for public street environment

Matveev, I.G.; Karpov, K.A.; Yurchenko, A.V.; Siemens, E. (of the E.A. Buketov KarU publ., 2020-03)

The paper proposes an approach to object tracking for public street environments using dimensional based object detection algorithm. Besides the tracking functionality, the proposed algorithm improves the detection accuracy ...
Variation of structural properties of al doped Ni-Cd ferrites with sintering time

Koushallya, M. Halamani; Shalini, K. Mathad; Kulkarni, A.B.; Jeergal, P.R.; Hiremath, C.S.; Shridhar, N.Mathad; Pujar, R.B. (of the E.A. Buketov KarU publ., 2020-03)

The aim of present work is to synthesis and study the structural properties of Al doped Ni-Cd ferrites, series by ceramic method. The samples are sintered at a temperature of 1100 C with sintering time of t=9, 11, 13, 15 ...

Browsing 2020 №2(34) by Title

Browsing 2020 №2(34) by Title

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