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Browsing Eurasian Physical Technical Journal by Title

Now showing items 1-20 of 457

3-D modeling of elements of skip-electromagnet system

Aikeyeva, A.A.; Zhautikov, B.A.; Rogovaya, X.S.; Zhautikov, F.B.; Mukhtarova, P.A. (Publishing House of the KarSU named after E.A.Buketov, 2015)

The purpose of this work aims to the modeling system elements of electromagnetic lifting installation. This paper presents the description of the principles in the process of the electromagnetic lifting installation. In ...
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. ...
A NEW METHOD FOR DETERMINING PARAMETERS OF PHOTOVOLTAIC MODULE BASED ON THE DATA FROM TECHNICAL SPECIFICATION

Obukhov, S.G.; Plotnikov, I.A.; Klimova, G.N. (KU Publ., 2022-03)

In the given article the methodology of making a photovoltaic module mathematical model is presented, which lets reproduce its energy characteristics in real operating conditions. Also, the major types of mathematical models ...
Ablation selectivity of salts in evaporators of the chemical industry

Bazanov, A.V.; Blinichev, V. N. (Publishing House of the KarSU named after E.A.Buketov, 2009)

In the given work the mechanism of selective ablation of solute from evaporated solutions is observed by secondary steams of evaporator systems at various physical and chemical characteristics of the carried out process ...
About fluctuations of the band gap of polycrystalline mixed films ZNxCU1-xO

Kumekov, M.E. (Publishing House of the KarSU named after E.A.Buketov, 2009)

It is shown that fluctuations of the band gap caused by fluctuations of thickness of a film ΔL at presence of dimensional quantization of the energetic spectra of electrons and holes can satisfactory explain the change of ...
About high efficiency of two-rotor wind power unit Bidarrieus-2

Yershina, A.K.; Yershin, Sh.A. (Ye.A.Buketov Karaganda State University Publishing house, 2019-06-14)

The article discusses the design features of the wind turbine Bidarrieus-2 with an abnormally high wind power coefficient. The basic design of HBI-rotor of the turbine Bidarrieus-2 is shown. Due to the twin-rotor construction ...
About luminescent properties of monocrystals of the difficult sulfates activated by thallium

Baktybekov, K. S.; Myrzakhmet, M.K.; Nikl, M.; Jerry, V.; Bekmyrza, K. (Publishing House of the KarSU named after E.A.Buketov, 2011)

Luminescence centres in the ammonium sulphate crystals with an impurity of thallium and in the mixed crystals are explored. It is shown, that these centres are the one-charging thallium ion. Two various positions of ...
About solution of the damped oscillations

Rystygulova, V.B.; Khamrayev, Sh.I. (Publishing House of the KarSU named after E.A.Buketov, 2015-06-26)

Vibrations, by the physical nature, are diverse. There are mechanical, electromagnetic, electromechanical, chemical, thermodynamic vibration there. Solutions of differential equation of these vibrations were obtained by ...
About The Mechanism Of The Formation Of Polycrystalline Heterojunction n-Zno/p-Cuo

Kumekov, M.E. (Publishing House of the KarSU named after E.A.Buketov, 2009)

On the basis of the analysis of crystalloid structure of copper and zinc oxides and for double charged On the basis of the analysis Cu++ и Zn++ ions radiuses it is shown the possibility of the formation of the heterojunction ...
ABOUT THE POSSIBILITY OF CREATING AN EFFICIENT ENERGY ANALYZER OF CHARGED PARTICLE BEAMS BASED ON AXIALLYSYMMETRIC OCTUPOLE-CYLINDRICAL FIELD

Kambarova, Zh.T.; Saulebekov, A.O.; Kopbalina, K.B.; Tussupbekova, A.K.; Saulebekova, D.A. (KU Publ., 2021-06-11)

One of the problems in creating systems for energy analysis of charged particles beams is to determine the deflecting field and calculation the shape of the deflecting electrodes. This article is devoted to the study of ...
About the possibility of the estimation of superficial potential of semiconductor films from thickness dependence of kinetic factors

Ermaganbetov, K.T.; Chirkova, L.V. (Ye.A.Buketov Karaganda State University Publishing house, 2010-12-20)

In work the expressions describing dependences of kinetic factors of carriers of a charge from a thickness of semiconductor films at certain values of superficial potential are received. The estimation of a value of ...
Active medium for dye-lasers based on a matrix of porous Al2O3 with Ag nanoparticles

Zeinidenov, A.K.; Ibrayev, N.Kh.; Aimukhanov, A.K. (Publishing House of the KarSU named after E.A.Buketov, 2017)

In this work the luminescent properties of anodized alumina oxide films with high-ordered structure, doped with Rhodamine dyes molecules were investigated. The fluorescence quantum yield in alumina oxide films of Rhodamine ...
Aerodynamics of the revolved cylinders system in a cross turbulent stream

Kussaiynov, К.; Sakipova, S.E.; Kussaiynovа, А.; Dyusembaeva, А.; Tansykbaeva, N. (Publishing House of the KarSU named after E.A.Buketov, 2012)

In this paper the possibilities of using a system of revolved cylinders as part of a wind turbine are considered. Experimental device and measurement technique were described. The aerodynamic forces in the cross-flow of a ...
Affecting of high-speed shift on rheological behavior of aqueous solutions of mixes sodium carboxymethylcellulose and hydroxyetylcellulose

Bazanov, A.V.; Alekseeva, O.V.; Rodionova, A.N.; Padohin, V.A. (Ye.A.Buketov Karaganda State University Publishing house, 2010-12-20)

Properties of diluted and moderate-concentrated aqueous solutions NaCMC and their mixes have been studied by viscosimetry and rheology methods. Last years the attention of researchers has been involved in the self-associated ...
Algorithm for finding maximum power point tracking when shadowing or failure of solar panel photo cells on satellites using low orbits

Syzdykov, A.B.; Baktybekov, K.S.; Messerle, V.E.; Komarov, F.F.; Askaruly, R.; Zilgarinov, D.; Murat, A. (Karagandy University of the name of acad. E.A. Buketov, 2023)

Solar cell shading or the failure of several photocells changes the output current-voltage characteristic. This paper discusses an algorithm for approaching and searching the maximum power generated on board the spacecraft, ...
Analysis and synthesis of topological radar detectors of low-contrast targets against the background of high intensity noise as a new branch of radiolocation and the theory of statistical solutions

Potapov, A.A. (Publishing House of the KarSU named after E.A.Buketov, 2016)

The new kind and approach of up-to-date radiolocation: fractal-scaling or scale-invariant radiolocation has been proposed. The main ideas and strategic directions in synthesis of fundamentally new topological radar ...
Analysis of developing wind power apparatus in kazakhstan

Yershina, A.K.; Nursadykova, Zh.K.; Borybaeva, M.A. (Publishing House of the KarSU named after E.A.Buketov, 2016)

The article is devoted to problems of wind energy. Data growth rate of the installed capacity of wind power plants in the world are shown. The authors analyzed the technical and economic performance of wind power systems ...
Analysis of electrical filters in high level language C + +

Amochaeva, G.P.; Zakiev, D.M. (Publishing House of the KarSU named after E.A.Buketov, 2014)

Article presents a synthesis system of active electric filters on the basis of its mathematical models provided by linear transfer functions. Each filter is implemented to operational amplifiers, resistors and capacitors. ...
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 ...
Analysis of the effect of electro-discharge water treatment on its purification degree

Shaimerdenova, K.M.; Stoev, M.; Tusypbaeva, A.S.; Rakhmankyzy, A.; Sekerbaeva, G. (Publishing House of the KarSU named after E.A. Buketov, 2018-06-29)

This article discusses the study of the analysis of the effect of electric discharges on the degree of water purification. A description of the technique for measuring specific electrical conductivity using a conductivity ...

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