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Main Journal ArchiveYear 2018 / № 9

Issue: #9 (702)

DOI 10.18698/0536-1044-2018-9

Mechanical Engineering and Machine Science

The Calculation and Selection of Bearings of Increased Reliability

Authors: Syromyatnikov V.S., Garcia Martinez Juan Marcos, Samora Quintana Laura Angelica, Ortega Rosales Miguel Gersaun
Category: Mechanical Engineering and Machine Science \| Chapter: Machine Science, Drive Systems, and Machine Components
Keywords: bearing service life, bearings reliability, dynamic load-carrying capacity, Weibull distribution, failure distribution function

The Surface Roughness of Carbide Punches when Grinding by Diamond Wheels Manufactured Using the Multi-Layer Composite Electrolytic Coating Technology

Authors: Shavva M.A., Grubyi S.V.
Category: Mechanical Engineering and Machine Science \| Chapter: Technology and Equipment for Mechanical and Physico-Technical Processing
Keywords: diamond grinding, surface roughness, diamond wheel, composite electrolytic coating

Russian Technologies for Creation of Industry 4.0 Systems. Part 2

Authors: Eugenev G.B.
Category: Mechanical Engineering and Machine Science \| Chapter: Manufacturing Engineering
Keywords: Industry 4.0, digital industrial technologies, advanced robotics, additive technologies, augmented reality, modeling of technological processes

The Determination of Instants of the Change of Modes of a Dynamic System Using the Indicator Function of the Number of States

Authors: Tukmakov A.L., Tukmakova N.A.
Category: Mechanical Engineering and Machine Science \| Chapter: Methods of Monitoring and Diagnostics in Mechanical Engineering
Keywords: dynamic system, acoustic signal, temporary realization, phase space, set of states, window function, change of dynamic mode, indicator function

An Experimental Study of the Effect of Screw Tightening on the Resonance Frequencies of a Cantilever Beam

Authors: Kuts M.S.
Category: Mechanical Engineering and Machine Science \| Chapter: Theory of Mechanisms and Machines
Keywords: technological machines, contact pliability, nonlinear vibrations, assembled unit resonance, natural frequencies

Power, Metallurgic and Chemical Engineering

The Verification of a Simplified Mathematical Model of the Centrifugal Compressor Stages

Authors: Rekstin A.F., Soldatova K.V., Galerkin Y.B.
Category: Power, Metallurgic and Chemical Engineering \| Chapter: Vacuum and Compressor Technology and Pneumatic Systems
Keywords: flow rate coefficient, theoretical loading factor, hub ratio, centrifugal compressor stage, efficiency

Justification of the Working Medium Model Selection for Calculation of Dynamic Parameters of Pneumohydraulic Systems

Authors: Chernyshev A.V., Kyurdzhiev Y.V., Atamasov N.V., Lebedev A.V.
Category: Power, Metallurgic and Chemical Engineering \| Chapter: Vacuum and Compressor Technology and Pneumatic Systems
Keywords: pneumatic system, equation of state, real gas, Dupré — Abel equation, Van der Waals equation, Redlich-Kwong equation

The Influence of the Open Axial Clearance on the Gas Flow and Energy Losses in the Turbine Stage with a Shroud on Working Blades

Authors: Molyakov V.D., Kunikeev B.A., Troitskiy N.I.
Category: Power, Metallurgic and Chemical Engineering \| Chapter: Turbomachines and Combination Turbine Plants
Keywords: turbine stage, turbine flow passage, closed axial clearance, open axial clearance, peritricha, rotor blades bandage

Aviation, Rocket and Technology

The Determination of the Flow Acoustic Characteristics in a Duct with Variable Cross-Section of a Laboratory Unit

Authors: Arefyev K.Yu., Ilchenko M.A.
Category: Aviation, Rocket and Technology \| Chapter: Aerodynamics and Heat Transfer Processes in Aircraft
Keywords: resonant frequencies, velocity oscillations, isentropic acoustic vibrations, thermal anemometer, spectral characteristics

An Assessment of the Influence of Random Deviation of Parameters on the Dynamic Characteristics Using the Interpolation Method

Authors: Tushev O.N., Yunak E.V., Belyaev A.V.
Category: Aviation, Rocket and Technology \| Chapter: Aircraft Development, Design and Manufacture
Keywords: quality characteristics, interpolation method, orthogonal polynomials, probability density function, probability estimates