Vol 11, No 2 (2015)

Articles
Temperature measurements in combustion of counter jets in burner devices
Bazhaykin A.N., Baev V.K., Gulyaev I.P.
Abstract

The investigation of propane-butane counter jets combustion in burners with permeable walls was carried out. The effect of addition of silicon oxide, zircon and carbon powder on combustion regime and temperature of free counter jets was investigated. Temperature measurements were implemented using registration of jets radiation in visible spectral range by means of spectral pyrometry and spectroscopic approaches. The burner devices with permeable porous pipes were demonstrated to be promising for broadening parameters range of stable combustion and increasing energy density in fuel combustion systems.

Yugra State University Bulletin. 2015;11(2):7-13
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Optical measurement and analysis of microstructure of wave combustion in Ni-Al
Dolmatov A.V., Pinchuk M.V., Sergeychev A.V.
Abstract

In this paper study the microstructure of the wave self-propagating high-temperature synthesis (SHS) to find the relationship between the rate of the reaction front, the characteristic size of foci and the combustion temperature. Measure the dynamics of the temperature field SHS process was carried out using of the original optical complex of micropyrometer with a spatial resolution of 5.9 mkm and a speed of recording up to 10,000 frames per second. A method of analysis of thermal data implemented on the basis of ergodic model of the wave regime SHS and MATLAB. In the experiment is varied composition Ni-Al and its initial temperature. The experiment results approximated of the quadratic dependence of the rate of the front reaction on the hearth size, and inverse dependence of the hearth size on combustion temperature and initial temperature of the reaction mixture.

Yugra State University Bulletin. 2015;11(2):14-26
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Modeling the dynamics of flying organisms
Martynov S.I., Tkach L.Y.
Abstract

Based on previously developed methods of calculating the dynamics of hydrodynamically interacting particles proposed models of swimming microorganisms by creating moments of the internal forces of the vortex flow in the surrounding body of a viscous liquid. Formed vortex flow creates a hydrodynamic force, as a result of which the body moves forward.

Yugra State University Bulletin. 2015;11(2):27-32
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Complex mathematical modelling of plasma-arc wire spraying processes
Kharlamov M.Y., Krivtsun I.V., Korzhyk V.N., Demyanov A.I.
Abstract

Results of theoretical researches are generalized and the scheme of complex mathematical modeling of plasma-arc spraying processes is proposed. Features of modeling of its separate stages are considered.

Yugra State University Bulletin. 2015;11(2):33-41
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Plasma spraying of wear-resistant coatings from powdered self-fluxing alloys
Kuzmin V.I., Vaschenko S.P., Gulyaev I.P., Kartaev E.V., Sergachev D.V., Kornienko E.E., Dolmatov A.V.
Abstract

The thermo-physical and technological investigations of effectiveness of high-temperature heterogeneous flow formation and spraying of coatings from self-fluxing Ni-based powders using of unit of annular injection of powders with gas-dynamic focusing were carried out. The size of particles of metal powders was 40...100 μm. The temperature distributions of particles at the spraying distance measured by means of spectral pyrometry are presented. The results of obtained coatings morphology and microhardness are presented, the mechanism of their phase structure formation are analyzed.

Yugra State University Bulletin. 2015;11(2):45-52
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Properties moulded thin-film nanostructure
Zelenskiy V.I., Troyan P.E.
Abstract

Are considered: technology of reception of thin-film frame metal-dielectric-metal; the properties got by frame as a result of electrical moulding in strong electric field in vacuo: volt-ampere characteristic, issue of electrons in vacuum. The model of resulting electrical moulding of nanostructure is discussed.

Yugra State University Bulletin. 2015;11(2):53-57
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Change of physical and chemical properties clinoptilolite after mechanical activation
Bebiya A.G., Gulyaev P.Y., Milyukova I.V.
Abstract

Presents experimental data depending on the specific surface area and sorption properties of the clinoptilolite powder mechanical activation times. Carried out X-ray diffraction and spec-troscopic analysis of mechanically activated zeolite. Find the optimal time and mechanical activation modes which relate the maximum sorption ability.

Yugra State University Bulletin. 2015;11(2):58-61
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The powder specific surface influence on the reactivity and properties of titanium aluminide under thermal explosion mode
Milyukova I.V., Gulyaev P.Y., Jordan V.I., Sych T.S.
Abstract

Research of influence of dispersion effect, specific surface area and the mode of thermal explosion of the heat sink to changing condi-tions, the reactivity of a heterogeneous system and the properties of the products based on equiatomic titanium aluminide obtained by SHS method was perfomed.

Yugra State University Bulletin. 2015;11(2):62-66
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An effective way to identify the pulse energy conversion process in real time
Tey D.O., Godovnikov E.A., Gusakov A.V., Keramov N.D., Usmanov R.T.
Abstract

The article discusses the problem of identification of the state of the pulse energy conversion system in real time. We investigate a method of identifying dynamic processes in systems impulsetion of energy conversion based on the Poincare map. Proposed and experimentally tested the algorithm state identification pulse energy conversion system that allows you to determine in real time during the main process of energy conversion.

Yugra State University Bulletin. 2015;11(2):69-73
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A method for identifying emergency processes in energy conversion pulse systems
Tey D.O., Gusakov A.V., Keramov N.D.
Abstract

The article discusses the problem of identification of the state of the pulse energy conversion system in real time. Investigated a method of reducing the size and the sampling rate of data describing the state of the system wavelet transform, for applying a Fourier transform. Proposed and experimentally tested the algorithm state identification pulse energy conversion system that allows you to determine in real time during the main process of energy conversion

Yugra State University Bulletin. 2015;11(2):74-79
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The pattern of transferring the multipart IT-environment of the educational institution on a mobile platform
Burlutskiy V.V., Petrochenko V.Y., Yakimchuk A.V.
Abstract

Currently increasingly popular get mobile technology. Organizations and enterprises tend to use them and implement the organization's business processes. This article describes a patterns of introduction of mobile technology to educational institutions.

Yugra State University Bulletin. 2015;11(2):83-86
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Neural networks are a deep confidence in comparison with the multilayer perceptron
Tatyankin V.M., Dyubko I.S.
Abstract

The article discusses the results of learning neural networks are deeply trust and training of multilayer perceptron. As a learning and test sample database is used MNIST.

Yugra State University Bulletin. 2015;11(2):87-89
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Staff potential of the Khanty-Mansiysk Autonomous Area - Yugra till 2020
Tatyankin V.M., Dyubko I.S.
Abstract

The article predicted the dynamics of the number of specialists in educational levels until 2020 in Khanty-Mansiysk Autonomous Area - Yugra. The question of the imbalance between the demand and supply of specialists in educational levels at the regional labor market.

Yugra State University Bulletin. 2015;11(2):90-93
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The training set in the problem of pattern recognition using neural networks
Tatyankin V.M., Dyubko I.S.
Abstract

The article discusses approaches to the formation of the training sample in the problem of recognition of monochrome images. It is shown that the variation of the training sample, allows to reduce the error of neural network training. Practical recommendations for the formation of a training sample.

Yugra State University Bulletin. 2015;11(2):94-98
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Image segmentation
Tatyankin V.M., Dyubko I.S.
Abstract

The article provides a method for binary seg-mentation Images-reflection. At the same time, the presence in the IMAGE-zhenii, do not share it, check.

Yugra State University Bulletin. 2015;11(2):99-101
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