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Main Journal ArchiveYear 2025 / № 7

Issue: #7 (784)

DOI 10.18698/0536-1044-2025-7

Mechanics

Using geometric primitives to determine densitometric data in analyzing the bone tissue structure at transpedicular fixation

Authors: Kulikov Y.N., Vorotnikov A.A., Mishchenkov D.S., Poduraev Yu.V., Grin A.A., Levchenko O.V.
Category: Mechanics \| Chapter: Biomechanics and Bioengineering
Keywords: computer tomography, densitometric data processing, transpedicular fixation, geometric primitives

Mechanical Engineering and Machine Science

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.
Category: Mechanical Engineering and Machine Science \| Chapter: Machine Science
Keywords: spherical parallel manipulator, special positions, linear drives, flat dyad

Studying the stress-strain state of a vehicle cardan shaft with the removable hinges

Authors: Platonov A.V., Shchegletov K.A., Ryabikina T.V.
Category: Mechanical Engineering and Machine Science \| Chapter: Machine Science
Keywords: cardan shaft, cardan shaft hinge, cardan shaft crosspiece, removable hinge, numerical simulation, linear displacements

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.
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

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.
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

Comparing efficiency of the multi-lobe external compression pump rotors

Authors: Malin I.A., Raykov A.A., Burmistrov A.V.
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

Computing main elements of a cyclone-type desender flow part using the local multiphase separation coefficient

Authors: Trulev A.V., Timushev S.F., Lomakin A.V., Klipov A.V., Zhukova T.V., Kagirov R.A.
Category: Mechanical Engineering and Machine Science \| Chapter: Hydraulic Machines, Vacuum, Compressor Technology, Hydraulic and Pneumatic Systems
Keywords: cyclone desender, mechanical impurities, flow part, fixed screw, multiphase coefficient, multiphase mixture

Institute of mechanics and seismic stability of structures named after. M.T. Urazbaev Uzbekistan Academy of Sciences

Authors: Annakulova G.K., Saidov S.A.
Category: Mechanical Engineering and Machine Science \| Chapter: Hydraulic Machines, Vacuum, Compressor Technology, Hydraulic and Pneumatic Systems
Keywords: hydraulic distributor, hydraulic distributor stabilization, slide valve, hydraulic cylinder piston, dynamic programming

Energy and Electrical Engineering

Slip flow influence on acoustic characteristics of the Helmholtz resonator

Authors: Matasova O.Yu., Komkin A.I., Bykov A.I.
Category: Energy and Electrical Engineering \| Chapter: Turbomachines and Piston Engines
Keywords: Helmholtz resonator, channel wall, slip flow, attached throat length, transmission loss, acoustic impedance

Improving performance of the basic heat-stressed parts of a forced medium-speed diesel engine

Authors: Chainov N.D., Krasnokutskiy A.N., Panfilov R.V.
Category: Energy and Electrical Engineering \| Chapter: Turbomachines and Piston Engines
Keywords: medium-speed diesel, cylinder head, cylinder liner, gas joint, thermal state, cooling cavity

Aviation, Rocket and Technology

Efficiency of film cooling the concave surface of an aircraft gas turbine nozzle blade exposed to pulsed blowing through the fan-shaped holes

Authors: Il’inkov А.V., Shchukin А.V., Takmovtsev V.V., Starodumov А.V.
Category: Aviation, Rocket and Technology \| Chapter: Aerodynamics and Heat Transfer Processes in Aircraft
Keywords: turbine blades, film cooling efficiency, fan-shaped holes, secondary air flow pulsations

Combined effect of the climatic factors and impact damage on strength of the polymer composite plates

Authors: Mitryaykin V.I., Bezzametnov O.N., Kuznetsov M.E., Nosov D.A., Tazhibaeva A.V.
Category: Aviation, Rocket and Technology \| Chapter: Aircraft Strength and Thermal Modes
Keywords: polymer composite materials, climatic testing, non-destructive testing, impact damage, plate strength