Now showing items 29-48 of 929

    • Research on wear resistance coating of aircraft titanium alloy parts by cold spraying technology 

      Hu, Wenjie; Markovych, S.; Kun, Tan; Shorinov, O.; Cao, Tingting (ХАІ, 2020)
      Titanium alloys are the main structural material of aerospace system component, about 75 % of titanium and titanium alloys are used in the aerospace industry, which have the advantages of low density, high specific strength ...
    • Review of application and research based on cold spray coating materials 

      Tan, Kun; Markovych, S.; Hu, Wenjie; Shorinov, O.; Wang, Yurong (ХАІ, 2021)
      Cold spray technology is an advanced spray technology, and its technical principle is the same as that of additive manufacturing technology. Cold spraying technology combines multiple advantages in the spraying field: not ...
    • Review of manufacturing and repair of aircraft and engine parts based on cold spraying technology and additive manufacturing technology 

      Tan, Kun; Markovych, S.; Hu, Wenjie; Shorinov, O.; Yurong, Wang (ХАІ, 2020)
      Cold spray technology is a method of deposited metal coatings by high speed particle impact, especially in the preparation of metal alloy materials (Cu alloys, Ti alloys, Al alloys, Ni based alloys, Mg alloys, stainless ...
    • Robotic bicycle parking with autonomous electric power system 

      Rudenko, N.; Shyrokyi, Y. (ХАІ, 2021)
      The research is devoted to the development of an automatic complex that is being transformed with an autonomous power system. . This problem is now the most urgent one because the bicycle has become one of the ultra-high-speed ...
    • Screw-nut mechanisms 

      Dorofeyev, V.G.; Dotsenko, V.N.; Koveza, Y.V. (ХАІ, 2011)
      The tutorial considers general types of screw-nut mechanisms with sliding threads with the position of simple mechanism calculation and design methods as well al engineering solutions. Tutorial material is the data of ...
    • Sliding bearing applications in aircraft and space engineering 

      Dotsenko, V.; Koveza, Yu. (ХАІ, 2022)
      Examples and prospects of various types of sliding bearings applications in power elements of aircraft engines and in turbopump units (TPU) of liquid propellant rocket engines (LPRE) are discussed in this article.
    • Smart vibratory sensor for compressor surge control 

      Kozyriev, О.О.; Berezhnoy, V.J.; Kudin, М.М. (ХАИ, 2009)
      Fast response piezoceramic sensor with embedded microchip device development and testing is resulted. Sensor was designed for flow instability modes detection in gas-turbine engine passages by means of its outer casing ...
    • Software package for monitoring and prediction of the compressor performance degradation 

      Feldshteyn, Y.; Mazurkov, A.P. (ХАИ, 2012)
      The Software package outlines the details of identifying potential process compressor performance degradation. Based on the data received from the compressor manufacturer or a performance test, the software will generate ...
    • Special technologies for product life increasing 

      Dolmatov, A.I.; Boguslaev, O.V.; Markovich, S.E. (ХАІ, 2006)
      We consider modern special resistant coatings technologies raising durability of products. We carry out the analysis of advantages and lacks of' existing technologies. We give the recommendations at the choice of coating ...
    • Statistical testing of dynamic model identification procedure for gas turbine diagnosis 

      Yepifanov, S.; Loboda, I.; Feldshteyn, Y. (ХАІ, 2003)
      This paper is devoted to such a challenging problem as gas turbine model identification. A dynamic model identification procedure developed and proposed as a diagnostic tool is examined. A statistical verification of the ...
    • Strength analysis of disc 

      Yepifanov, S.; Shoshin, Y.; Zelenskyi, R. (KhAI, 2014)
      Tutorial addresses the static analysis of compressor and turbine discs. Analysis aims calculating stresses and safety factors distribution on disk radius. Student can find information about software, recommendations for ...
    • Strength analysis of rotor blade 

      Yepifanov, S.; Shoshin, Y.; Zelenskyi, R. (KhAI, 2013)
      Analysis of compressor and turbine rotor blade static strength is considered which consists of stresses and safety factors calculation in the most loaded points on length of the blade body. Information about software, ...
    • Surface repair of aircraft titanium alloy parts by cold spraying technology 

      Hu, Wenjie; Markovych, S.; Shorinov, O.; Cao, Tingting; Tan, Kun (ХАІ, 2020)
      Titanium alloys have the advantages of high specific strength, good corrosion resistance, high heat resistance, and low density, which is the main structural material of aerospace system components, including compressor ...
    • Task solving organization of inverse problems of thermoelasticity for a thin ring 

      Povgorodny, V.O.; Budanova, O.S. (ХАИ, 2017)
      New inverse problems of thermoelasticity for interacting layers were formulated and used in the design of aerospace engineering devices. In these problems, the unknown heat load (the temperature of the boundary surface and ...
    • The calculation of the heat control accumulator volume of two-phase heat transfer loop of a spacecraft thermal control system 

      Hodunov, A.; Gorbenko, G.; Gakal, P. (ХАІ, 2021)
      The article presents the results of ground experiments, on the basis of which the verification of various models and correlations for phase slip was carried out. The applicability of the models and correlations to ...
    • The efficiency of using graphite electrodes necessary for the formation of nanostructures in a plasma environment 

      Shyrokyi, Y.; Torosyan, G.; Torosyan, O. (ХАІ, 2022)
      According to the above model and algorithm, calculations were made for electrodes under the technological conditions necessary for the formation of nanostructures. As a result of theoretical calculations, the temperature ...
    • Theoretical mechanics. Dynamics 

      Pavlenko, V.N.; Bunyaeva, I.V.; Ternovskaya, S.S.; Kladova, O.Y.; Slusarenko, T.V. (KhAI, 2013)
      The workbook considers dynamics of a particle, general principles of dynamics: Force-Linear momentum, Moment-Angular Momentum, Work-Energy, plane motion kinetics is presented. The information from the theoretical course, ...
    • Theoretical mechanics. Kinematics 

      Pavlenko, V.N.; Bunyaeva, I.V.; Vorozhko, S.S.; Kladova, O.Y.; Slusarenko, T.V.; Fomichova, L.A. (KhAI, 2012)
      The workbook considers kinematics of a particle, the simplest types of motion - translational and rotational, and also plane and compound motions. The information from the theoretical course, the basic formulas and their ...
    • Theoretical mechanics. Statics 

      Oikin, V.A.; Pavlenko, V.N.; Kladova, O.Y.; Stetsenko, Y.A. (ХАІ, 2010)
      Designed to provide a more mature, in-depth treatment of mechanics this textbook focuses on developing a solid understanding of basic principles of statics rather than rote learning of specific methodologies. The textbook ...
    • Theoretical mechanics. Statics 

      Pavlenko, V.N.; Bunyaeva, I.V.; Vorozhko, S.S.; Slusarenko, T.V.; Fomichova, L.A. (KhAI, 2012)
      The textbook considers two basic problems of statics: the composition of forces and reduction of force system acting on rigid bodies, and determination of the equilibrium conditions of force system acting on rigid bodies. The ...