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Main Journal ArchiveYear 2017 / № 3

Issue: #3 (684)

DOI 10.18698/0536-1044-2017-3

Calculation and Design of Machinery

Solving Kinematic and Dynamic Problems for a Three-Point Wheel-Legged Robot

Authors: Antonov A.V., Vorotnikov S.A.
Category: Calculation and Design of Machinery
Keywords: generalized coordinates, three-point wheel-legged robot, forward kinematics problem, inverse kinematics problem, inverse dynamics problem, load torques

Extension of Kirchhoff’s Kinetic Analogy to Cylindrical Springs Carrying Distributed Loads

Authors: Sorokin F.D., Badikov R.N., Zhou Su
Category: Calculation and Design of Machinery
Keywords: helical cylindrical spring, large displacement, nonlinear boundary value problem, Kirchhoff’s kinetic analogy, conservation law

Transportation and Power Engineering

Rectangular-Cellular Seals for Steam Turbines

Authors: Gribin V.G., Dmitriev S.S., Petrunin B.N., Gusev A.A.
Category: Transportation and Power Engineering
Keywords: flow coefficient, rectangular-cellular seals, honeycomb inserts, rectangular cell, non-conservative aerodynamic force, low-frequency vibration

Stabilization of Motion of Two-Axle Wheeled Vehicles through the Redistribution of Torque between the Driving Wheels

Authors: Zhileykin M.M.
Category: Transportation and Power Engineering
Keywords: movement stabilization of two-axle vehicles, directional and trajectory stability, dynamic stabilization system, torque redistribution

Technology and Process Machines

The Study of Thermal and Deformation Processes in Ultrasonic Welding of ABS Plastics

Authors: Volkov S.S., Bigus G.A., Shestel L.A.
Category: Technology and Process Machines
Keywords: ultrasonic welding, frequency of ultrasonic fluctuations, amplitude of the waveguide oscillations, static welding pressure, compression deformation

The Diagnostics of Roller Bearings Using the Phase-Chronometric Method

Authors: Pronyakin V.I., Kudryavtsev E.A., Komshin A.S., Potapov K.G.
Category: Technology and Process Machines
Keywords: mathematical model, roller bearing, bearing assembly, emerging defects, phase-chronometric method of diagnostics, information-metrological support

Aviation and Rocket-Space Engineering

An Experimental Study of the Influence of Unpredictable Changes in the Form of the Resonant Cavity Leading Edge on the Operating Capacity of the Gas-Dynamic Ignition System

Authors: Aleksandrov V.Yu., Arefyev K.Yu., Ilchenko M.A.
Category: Aviation and Rocket-Space Engineering
Keywords: gas-dynamic ignition system, pulsation process, heat release intensity, change of form, resonant cavity

A Dynamic Model of a Planetary Gear Set in Turbofan Engines

Authors: D.V. Kalinin, Temis Y.M.
Category: Aviation and Rocket-Space Engineering
Keywords: finite element method, dynamic model, gears, planetary gear set, parametric vibrations, dynamic stresses

Researching the Possible Use of Magnetic and Electrostatic Fields to Address the Problem of Deposit Formation in Aviation Oils for Engines, Power Plants and Technical Systems of Aircraft for Aerial and Aerospace Use

Authors: Altunin V.A., Altunin K.V., Aliev I.N., Tschigolev A.A., Yusupov A.A.
Category: Aviation and Rocket-Space Engineering
Keywords: heat transfer coefficient, electric wind, coaxial needles, aviation engine oils, natural convection, prevention of deposit formation

Scientific and Practical Principles for Determining Structural and Technological Parameters of Standardized All-Metal High Pressure Spherical Tanks

Authors: Tarasov V.A., Baraev A.V., Boyarskaya R.V.
Category: Aviation and Rocket-Space Engineering
Keywords: structural and technological parameters, standardization of high pressure spherical tanks, compressed gases, stored energy