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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. | Published: 16.06.2025 |
| Published in issue: #6(783)/2025 | |
| Category: Mechanical Engineering and Machine Science | Chapter: Manufacturing Engineering | |
| Keywords: electron beam welding, liquid rocket engine, technological equipment, special equipment, design documentation, gas tract |
Mathematical simulation of the oil-free screw vacuum pump operation
| Authors: Laskin A.A., Raykov A.A., Burmistrov A.V. | Published: 16.06.2025 |
| Published in issue: #6(783)/2025 | |
| 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 |
Structural approach application in the pipeline valves design
| Authors: Chinyayev I.R. | Published: 17.06.2025 |
| Published in issue: #6(783)/2025 | |
| Category: Mechanical Engineering and Machine Science | Chapter: Hydraulic Machines, Vacuum, Compressor Technology, Hydraulic and Pneumatic Systems | |
| Keywords: pipeline fittings, structural approach, pipeline system element |
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. | Published: 18.06.2025 |
| Published in issue: #6(783)/2025 | |
| 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 |
Simulating head characteristics of the centrifugal compressor impeller
| Authors: Galerkin Y.B., Drozdov A.A., Rekstin A.F., Kuznetsov L.G. | Published: 19.06.2025 |
| Published in issue: #6(783)/2025 | |
| 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 |
Increasing service life of the washpipes and reducing costs in the drilling operations
| Authors: Amirov F.G., Shiraliyev I.T. | Published: 23.06.2025 |
| Published in issue: #6(783)/2025 | |
| Category: Mechanical Engineering and Machine Science | Chapter: Manufacturing Engineering | |
| Keywords: washpipe, top drive, abrasive wear, drill bit lubrication, friction and abrasive action |
Influence of laser shock peening parameters on the distribution of residual stresses in the edge of a titanium alloy compressor blade
| Authors: Shiryaev А.А. | Published: 08.07.2025 |
| Published in issue: #7(784)/2025 | |
| Category: Mechanical Engineering and Machine Science | Chapter: Technology and Equipment for Mechanical and Physico-Technical Processing | |
| Keywords: laser shock peening, titanium alloy, blade edge deformation, double-support fastening, machining parameters |
Comparing efficiency of the multi-lobe external compression pump rotors
| Authors: Malin I.A., Raykov A.A., Burmistrov A.V. | Published: 10.07.2025 |
| Published in issue: #7(784)/2025 | |
| Category: Mechanical Engineering and Machine Science | Chapter: Hydraulic Machines, Vacuum, Compressor Technology, Hydraulic and Pneumatic Systems | |
| Keywords: two-rotor vacuum pump, multi-lobe rotor, volume utilization coefficient, channel conductivity coefficient, speed of action, backflows |
On the issue of analyzing potassium content in the carbon material after the alkaline activation
| Authors: Shubin I.N., Dyachkova T.P., Baklykova M.A. | Published: 13.07.2025 |
| Published in issue: #7(784)/2025 | |
| Category: Mechanical Engineering and Machine Science | Chapter: Technology and Equipment for Mechanical and Physico-Technical Processing | |
| Keywords: high-temperature alkaline activation, potassium content, activated carbon material, X-ray fluorescence analysis |
Singularity analysis of the kinematic chains of parallel manipulators with the linear drives
| Authors: Laryushkin P.A., Khrestina A.A., Sinitsyna Y.V., Tsyganova A.S. | Published: 15.07.2025 |
| Published in issue: #7(784)/2025 | |
| Category: Mechanical Engineering and Machine Science | Chapter: Machine Science | |
| Keywords: spherical parallel manipulator, special positions, linear drives, flat dyad |