2009, Vol. 06 No. 2(12)

  1. V.M. Lisitsyn, L.A. Lisitsyna, M.V. Zdorovets, A.K. Dauletbekova, A.T. Akilbekov, A.A. Abdrahmetova DETERMINATION OF TRACK’S RADIUSES OF HEAVY CHARGED PARTICLES IN ALKALI HALIDE CRYSTALS .
    [article]
    Summary
    A new approach to the estimation of track radius of heavy charged particle by the relationship investigation of simple and complex color centers in ionic crystals induced by ions and electrons stream from high-current accelerators is described. Track radius of krypton ion accelerated up to 117MeV in LiF crystal was estimated. Obtained value of the track corresponds to the known value estimated by other methods.
  2. M.E. Kumekov ABOUT THE MECHANISM OF THE FORMATION OF POLYCRYSTALLINE HETEROJUNCTION n-ZnO/p-CuO
    [article]
    Summary
    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 between crystalline oxides of copper and zinc.

  3. M.E. KumekovABOUT FLUCTUATIONS OF THE BAND GAP OF POLYCRYSTALLINE MIXED FILMS ZNXCU1-X O
    [article]
    Summary

    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 width of the forbidden band observable experimentally in mixed films ZnXCu1-X O.

  4. E.Ya. Epik, T.T. SuprunLOCAL CHARACTERISTICS OF THE BOUNDARY LAYER IN RELAXATION ZONE AFTER A LOCAL CLOSED SEPARATION.
    [article]
    Summary

    The results of the experimental study of the integral characteristics (friction and heat transfer coefficients, profiles of velocity and temperature, characteristic thicknesses and shape parameters) are presented for the relaxating flow downstream of a separation of various types in case of low free stream turbulence 0.2 % and velocities of an external flow 5 – 10 m/s. The type of a separation (laminar, transitional or turbulent) is adjusted by the shape of an inlet edge of the plate and the length of an intercepter, installed in the test section of the wind tunnel. The measurements confirm extremely slow recovery to a ”classical” turbulent boundary layer after various types of a separation. They also demonstrate the dissimilarity of an internal structure and different rates of recovery in hydrodynamic and thermal boundary layers in relaxation zone both in an inner region and at an outer part of ones.

  5. L. Minkov, E. Pikushchak, M. Galal, J. Dueck ON THE IMPROVING THE CLASSIFICATION CHARACTERISTICS IN A HYDROCYCLONE THROUGH WATER INJECTION.
    [article]
    Summary

    In hydrocyclones, the particle separation efficiency is limited by the suspended fine particles, which are discharged with the coarse product in the underflow. It is well known that injecting water in the conical part of the cyclone reduces the fine particle fraction in the underflow. This paper presents a mathematical model that simulates the water injection in the conical part of apparatus. The model accounts for the fluid flow and the particle motion. The model includes: the turbulent particle diffusion and particle settling. Particle interactions, due to hindered settling caused by increased density and viscosity of the suspension, and fine particle entrainment by settling coarse particles are also included in the model. Water injection in the conical part of the hydrocyclone is performed in an experiment to reduce fine particle discharge in the underflow. This added water transports the fine particles of the sediment to the center, where they are directed to the overflow.
    The investigation of the influence of additional water injection in a classifier on the particle separation process characteristics has been performed on the basis of numerical modelling. It has been shown that the increase in water injection velocity leads to the increase of both the cut size and the minimal value of separation curve.

  6. V.T. Kirichenko, A. S. Kudussov, E. K. Musenova THE GRAVITATIONAL MODELS ON THE BASE OF TENSOR FIELD IN MINKOWSKI SPACE-TIME .
    [article]
    Summary

    The class of classical gravitational tensor field in the Minkowski space-time models based on universal procedure of theories «free lagrangian” gravitational “dressing” has been developed. The procedure consists in operation of a “gravitational” operator on a “free lagrangian”. The “gravitational” operator is specific for each model of the class. The common structure of those operators has been shown. The possible models are discussed. The construction of A. Einstein’s theory of general relativity (GRT) is represented as an example of the used method. Mathematical realization of “co-variantization” principle for GRT has been given.

  7. T.A.Zhakatayev, A.T. Zhakatayev ITERATIVE CALCULATION OF NONLINEAR INTERACTION AND MOTIONS OF PLANETS IN SOLAR SYSTEM
    [article]
    Summary

    The system of the equations which models nonlinear gravitational interaction of several planets in solar system is made. The system of the equations is solved numerically on package Maple 10. The effect of nonlinear change of parameters as a result of gravitational interaction is found out. Nonlinear gravitational interaction leads to that orbital speed changes. Accordingly, cycle times of planets change depending on quantity of planets and a configuration of their orbits in system.

  8. M.E. Agelmenev, Z.M. Muldakhmetov, S.M. Bratukhin, V.V. Polikarpov THE BEHAVIOUR OF THE SMECTIC LIQUID CRYSTALL AT THE APPROACH TO THE LIQUID STATE
    [article]
    Summary

    In this work results of computer modelling of a new kind liquid crystal on the basis of derivatives of ferrocene were presented. Features of the processes proceeding in such system were studied.

  9. ANALYZERS ON THE CLASSICAL FIELDS BASIS FOR ELECTRON SPECTROSCOPY A.O. Saulebekov, S.E.Sakipova, S.N. Assylbekova, Zh.T. Kambarova, A.T. Makhabaeva
    [article]
    Summary

    Energy analysis of the charged particles fluxes as an effective method of solid body’s surface research demands the existing systems modernization or creations of qualitatively new ones. The purpose of the given work is developing out energy analyzers with high electron-optical parameters and wide functionality based on the classical fields.
    The schemes consisting of a cylindrical mirror and a spherical mirror with internal and external reflection of the charged particles beam have been considered earlier separately. It is established, that the formulas describing these systems differ only by the signs at the separate components. It gives the chance to describe all system mathematically uniformly. At the conditions of angular focusing of the second order the ratios between the mirrors parameters have been received. Three parameters are free, and some practical advantages can be achieved by variations of them.

  10. ELECTROIMPULSE GRINDING AND REDUCTION OF NATURAL MINERALS K.Kusaiynov, B.R.Nusupbekov, G.М.Shaimerdenova, G.A.Bulkairova, К.К.Sadenova.
    [article]
    Summary

    Results of investigation of electro hydraulic destruction features, grinding of natural minerals and results of laboratory tests, given at different values of fraction diameters of natural minerals, and inter electrode distance on air discharger are described.

  11. S.S. Kasymov, G.P. Amochaeva, Zh.T. Kambarova, K. Ornykhankyzy THE ACCOUNT OF INFLUENCE STRAY PARAMETERS AT THE ANALYSIS OF MICROWAVE DEVICES.
    [article]
    Summary

    In article there are new possibilities of the Applied Wave Research ACE software that were demonstrated. The examples of possible using for simplification and optimization of the designing were given. Using this technologies enlarges the velocity of the analysis in comparison with usual the electronic modeling methods. This method can be used for modeling microwave device.