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Перегляд Проблемы машиностроения за назвою

Репозиторій DSpace/Manakin

Перегляд Проблемы машиностроения за назвою

Сортувати за: Порядок: Результатів:

  • Minimization of the Stressed State of a Stringer Plate with a Hole and Rectilinear Cracks 
    Mir-Salim-zade, M.V. (Проблеми машинобудування, 2019)
    This article deals with the problem of minimizing the stress state on the contour of a hole in an un-bounded isotropic stringer plate weakened by two rectilinear cracks. Crack faces are considered to be free of stress.
  • Modeling Heat and Mass Exchange Processes in Metal-hydride Installations 
    Chorna, N.A.; Hanchyn, V.V. (Проблеми машинобудування, 2018)
    The paper considers the peculiarities of the heat and mass exchange process in a hydrogen-metal system, which takes place in metal-hydride installations. A mathematical model of non-stationary heat and mass exchange processes ...
  • Numerical Analysis of Stress-Strain State of Vertical Cylindrical Oil Tanks with Dents 
    Buganova, S.N.; Avramov, K.V. (Проблеми машинобудування, 2018)
    The destruction of vertical cylindrical tanks results in both human and economic losses. Despite constant improvement of the manufacturing technology of cylindrical tanks, a complete analysis of the influence of various ...
  • Numerical Simulation of Metal Hydride Battery Heat Conducting Matrix Heat-stressed and Deformed State 
    Avramenko, A.N.; Levterov, A.M.; Gladkova, N.Yu. (Проблеми машинобудування, 2018)
    When using numerical methods, the heat-stressed state of the heat-conducting matrix of a cylindrical metal hydride battery is considered.
  • Optimal packing of convex polytopes using quasi-phi-functions 
    Pankratov, A.V.; Romanova, T.E.; Chugay, A.M. (Проблемы машиностроения, 2015)
    We study a packing problem of a given collection of convex polytopes into a rectangular container of minimal volume. Continuous rotations and translations of polytopes are allowed. In addition a given minimal allowable distances ...
  • Packing non-equal hyperspheres into a hypersphere of minimal radius 
    Yaskov, G.N. (Проблемы машиностроения, 2014)
    The problem of packing different hyperspheres into a hypersphere of minimal radius is considered. All hypersphere radii are supposed to be variable. Solving the problem is reduced to solving a sequence of mathematical ...
  • Peculiarities of Identifying a Power-generating Single-shaft GTE Mathematical Model 
    Lyutikov, A.L. (Проблеми машинобудування, 2018)
    The article proposes an approach to identifying a non-linear unit mathematical model (MM), with a detailed calculation of a turbine flow path to the level of blade rows on the D045 engine bench test results. It describes ...
  • Prediction of Flow Accelerated Corrosion of NPP Pipeline Elements by Network Simulation Method 
    Biblik, I.V.; Avramov, K.V.; Rusanov, R.A. (Проблеми машинобудування, 2018)
    Based on a comprehensive approach that uses the computer simulation of the process of destroying structural materials and technology of self-learning neural networks, a methodology has been developed for predicting the ...
  • Problems of creating scientific and methodological bases of spent nuclear fuel dry cask storage thermal safety in Ukraine 
    Alyokhina, S.V. (Проблеми машинобудування, 2018)
    An analytical review of modern researches into spent nuclear fuel (SNF) dry cask storage, or dry storage thermal processes is presented and problems of creating scientific and methodological foundations for SNF dry storage ...
  • Prospects of Using Hydrogen Microaddition to Improve Diesel Engine Ecological Indicators 
    Avramenko, A.M.; Lievtierov, A.M.; Bhantsev, V.M.; Hladkova, N.Yu.; Kirieieva, V.M. (Проблеми машинобудування, 2019)
    The generation and use of hydrogen, on board a vehicle, as a microaddition to normal engine fuel is justified as follows. First, the activation of combustion processes in the engine cylinder and, accordingly, fuel combustion ...
  • Re-Extension of 200 MW Turbine Cast Casing Service 
    Chernousenko, O.Yu.; Ryndyuk, D.V.; Peshko, V.A. (Проблеми машинобудування, 2019)
    This paper assesses the residual life of casings on the basis of three-dimensional models of the K-200-130-3 steam turbine high-pressure (HP) and intermediate- pressure (IP) cylinder casings. In doing so, the paper takes ...
  • R-функции и шевронные поверхности в машиностроении 
    Шейко, Т.И.; Максименко-Шейко, К.В.; Литвинова, Ю.С.; Лисин, Д.А. (Проблемы машиностроения, 2017)
    В данной статье на основе теории R-функций разработаны методики и построены уравнения различных теплопередающих поверхностей оребрения, в том числе шевронных. Оребрение не только увеличивает поверхность теплообмена, но и ...
  • Screw-Type Symmetry in Machine Components and Design at Implementation on a 3D Printer 
    Sheyko, T.I.; Maksymenko-Sheiko, K.V.; Morozova, A.I. (Проблеми машинобудування, 2019)
    In this paper, the R-functions theory is used for the mathematical and computer modeling of geometric objects with a screw-type symmetry for the case when 3D printing technology is to be implemented.
  • Self-Sufficient PV-H₂ Alternative Energy Objects 
    Kleperis, J.; Solovey, V.V.; Fylenko, V.V.; Vanags, M.; Volkovs, A.; Grinberga, L.; Shevchenko, A.; Zipunnikov, M. (Проблемы машиностроения, 2016)
    Energy storage becomes more important as mankind switch to renewable energy, away from fossil resources. Traditional way – batteries - offer a limited number of cycles, require regular maintenance; nevertheless gravitational ...
  • Shear Modulus of a Fiber Composite with a Transtropic Viscolelastic Matrix and Transtropic Elastic Fiber 
    Grebenyuk, S.N.; Klimenko, M.I. (Проблеми машинобудування, 2018)
    When solving the problems of deformation solid mechanics, the inhomogeneous composite material is modeled as homogeneous, with averaged mechanical properties − effective characteristics. The purpose of this paper is to ...
  • Slit system partial closure simulation in a stringer reinforced perforated isotropic medium 
    Mir-Salim-zade, M.V. (Проблеми машинобудування, 2018)
    On the basis of the methods of the theory of elasticity, a mathematical description of the model of partial closure of a system of slits in a perforated isotropic medium with foreign transverse inclusions is given.
  • Smart PV-H₂ grid energy complexSmart PV-H₂ grid energy complex 
    Solovey, V.; Fylenko, V.; Tinti, F.; Shevchenko, A.; Zipunnikov, M. (Проблемы машиностроения, 2017)
    Рассмотрены вопросы проектирования, исследования и эксплуатационной демонстрации фотоэлектрического-водородного комплекса сети электроснабжения и его составных элементов для преобразования неравномерно поступающей энергии ...
  • Solution of the Structural Optimization Problem of a Multiagent Approach Based Cutter Design 
    Anosov, V.L.; Bohdanova, L.M.; Kolodyazhnyi, V.M.; Litovka, V.D. (Проблеми машинобудування, 2019)
    This article proposes a decision support system project to find the optimal milling cutter design. At the preliminary design stage, morphological analysis is used. It allows us to find and systematize all possible milling ...
  • Stepwise Optimization of I-section Flexible Elements Under a Fuzzy Approach to Taking into Account Corrosion and Protective Properties of Anticorrosive Coating 
    Fridman, M.M. (Проблеми машинобудування, 2018)
    This paper is a continuation of research in the field of optimal design of structures under a combined approach to the measurement of corrosion and anticorrosion protective properties of coatings.
  • Stress Concentration in Vertical Tank Weld Seams 
    Uspenskiy, B.V.; Buganova, S.N.; Suleymenov, U.S.; Avramov, K.V. (Проблеми машинобудування, 2018)
    The article describes a new method for analyzing and predicting the stress concentration coefficient in a rolled vertical tank weld seam under hydrostatic loading.

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