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Main Journal ArchiveYear 2025 / № 6

Issue: #6 (783)

DOI 10.18698/0536-1044-2025-6

Mechanics

A method for constructing a nonlinear constitutive relation at the low number of the tensile cycles for the unidirectional CFRP with a thermoplastic matrix

Authors: Fomina Е.I., Khudorozhko M.V., Alimov M.A., Dumansky A.M.
Category: Mechanics \| Chapter: Solid Mechanics
Keywords: hereditary elasticity, Abel kernel, nonlinear deformation, hysteresis loops

Mechanical Engineering and Machine Science

Mathematical model of the double harmonic drive

Authors: Lyuminarsky I.E., Balasanyan V.V., Lyuminarsky S.E.
Category: Mechanical Engineering and Machine Science \| Chapter: Machine Science
Keywords: harmonic drive, flexible gear, rigid gear, disk wave generator, torsional stiffness, additive technologies

Computing the planetary pinion gear satellite teeth in accordance with the contact fatigue criterion

Authors: Medovshchikov A.V., Sinitsyna Y.V.
Category: Mechanical Engineering and Machine Science \| Chapter: Machine Science
Keywords: back-to-back endurance, planetary pinion gear, gear engagement

Structural synthesis and classification of the parallel-cross structure spatial mechanisms

Authors: Pevnev V.G., Didenko E.V., Romanov A.A.
Category: Mechanical Engineering and Machine Science \| Chapter: Robots, Mechatronics and Robotic Systems
Keywords: parallel-cross structure mechanism, number of degrees of freedom, cross-kinematic chains, drive kinematic chains, superimposed connections, coiled tubing units

Influence of laser power density, number of passes and coefficient overlap of hardening zones on the level of residual stresses, depth and roughness in titanium alloy samples

Authors: Shiryaev А.А., Milenin A.S., Karmanov V.V., Plehov О.А., Vshivkov А.N., Gachegova Е.А.
Category: Mechanical Engineering and Machine Science \| Chapter: Technology and Equipment for Mechanical and Physico-Technical Processing
Keywords: laser shock peening, depth of residual stresses, residual stresses, flat samples, power density, titanium alloy

Increasing service life of the washpipes and reducing costs in the drilling operations

Authors: Amirov F.G., Shiraliyev I.T.
Category: Mechanical Engineering and Machine Science \| Chapter: Manufacturing Engineering
Keywords: washpipe, top drive, abrasive wear, drill bit lubrication, friction and abrasive action

Design and development of technology and technological equipment for manufacture of the aerospace systems using the electron beam welding method

Authors: Ryazantsev A.Yu., Kosorukov I.D., Ustinov K.A.
Category: Mechanical Engineering and Machine Science \| Chapter: Manufacturing Engineering
Keywords: electron beam welding, liquid rocket engine, technological equipment, special equipment, design documentation, gas tract

Simulating head characteristics of the centrifugal compressor impeller

Authors: Galerkin Y.B., Drozdov A.A., Rekstin A.F., Kuznetsov L.G.
Category: Mechanical Engineering and Machine Science \| Chapter: Hydraulic Machines, Vacuum, Compressor Technology, Hydraulic and Pneumatic Systems
Keywords: centrifugal compressor, impeller, head coefficient, flow coefficient, pressure characteristic

Mathematical simulation of the oil-free screw vacuum pump operation

Authors: Laskin A.A., Raykov A.A., Burmistrov A.V.
Category: Mechanical Engineering and Machine Science \| Chapter: Hydraulic Machines, Vacuum, Compressor Technology, Hydraulic and Pneumatic Systems
Keywords: mathematical model, screw vacuum pump, rotor profile, pumping speed, working chamber, numerical modeling

Effect of the multiphase stage flow path dimensions on the bubble diameter in a gas-liquid mixture

Authors: Trulev A.V., Timushev S.F., Lomakin V.O., Shmidt E.M., Klipov A.V.
Category: Mechanical Engineering and Machine Science \| Chapter: Hydraulic Machines, Vacuum, Compressor Technology, Hydraulic and Pneumatic Systems
Keywords: multiphase stages, gas-liquid mixture, flow path, helical blades, local multiphase separation coefficient, relative slip velocity

Structural approach application in the pipeline valves design

Authors: Chinyayev I.R.
Category: Mechanical Engineering and Machine Science \| Chapter: Hydraulic Machines, Vacuum, Compressor Technology, Hydraulic and Pneumatic Systems
Keywords: pipeline fittings, structural approach, pipeline system element

Energy and Electrical Engineering

Assessment of the influence of the physico-chemical properties of biomineral fuel mixtures on the characteristics of injection and spraying

Authors: Plotnikov S.A., Zabolotskikh G.E., Kartashevich A.N., Malyshkin P.Yu.
Category: Energy and Electrical Engineering \| Chapter: Turbomachines and Piston Engines
Keywords: diesel fuel, biomineral fuel mixture, surface tension forces, Weber criterion, jet range, droplet diameter

Aviation, Rocket and Technology

Design technological features of creating the metal-composite cylinders for the hydrogen powered vehicles

Authors: Lebedev K.N., Moroz N.G., Lebedev I.K.
Category: Aviation, Rocket and Technology \| Chapter: Aircraft Development, Design and Manufacture
Keywords: high-pressure cylinders, compressed hydrogen, steel liner

Study of the physico-thermomechanical properties of the Ti-4.25Al-2V dispersion-hardened metal ceramics with SiC addition manufactured by the direct laser growing

Authors: Magidov I.S., Mikhailovskiy K.V., Shalnova S.A., Klimova-Korsmik O.G.
Category: Aviation, Rocket and Technology \| Chapter: Aircraft Strength and Thermal Modes
Keywords: direct laser growing, additive technologies, metal ceramics, dispersion hardening, characteristics mathematical simulation