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Main Journal ArchiveYear 2012 / № 10

Issue: #10 (631)

DOI 10.18698/0536-1044-2012-10

Calculation and Design of Machinery

On the choice of parameters of device to reduce load on components of turbojet engine pressure vessels after fan blade breakage

Authors: Ivanov I.I.
Category: Calculation and Design of Machinery
Keywords: rotor, gas-turbine engine, load reduction device, fan blade, breakage

Stress concentration around filled holes under transverse strip bending in its plane

Authors: Bulanov V.B., Semenov&Ezhov I.E., Shirshov A.A.
Category: Calculation and Design of Machinery
Keywords: lateral bending, tightness, stress concentration, nominal voltage, shear strength, gap

Investigation of gas flow in MVN channel under viscous flow regime

Authors: Demihov K.E., Nikulin N.K., Svichkar E.V.
Category: Calculation and Design of Machinery
Keywords: geometrical parameters, vacuum, molecular vacuum pump, viscous flow regime, gas flow, spiral channel, pressure drop, velocity hodograph

On the solution of objects closure problem by anthropomorphic grippers when specifying the object shape by data arrays

Authors: Lukinov A.P., Syromyatin A.N.
Category: Calculation and Design of Machinery
Keywords: algorithm, anthropomorphic gripper, manipulation object, closure, holding, data array, smooth regular surface, rough irregular surface, identification, virtual outline, point of contact

Directed structural synthesis of optimal planar mechanical systems with complex pinjoints (mechanisms, pin frameworks, Assur groups, robots). Part 1

Authors: Pozhbelko V.I.
Category: Calculation and Design of Machinery
Keywords: structural synthesis, structural mathematical model, complex pin!joints, mechanisms, pin frameworks, assur groups, robots

Added mass and damping coefficient calculation for the rigid cylinder vibrating in cylindrical channel based on viscous fluid motion equation numerical integration

Authors: Sorokin F.D., Krutko E.S.
Category: Calculation and Design of Machinery
Keywords: added mass, damping coefficient, cylindrical channel

Transportation and Power Engineering

Justification of layouts and parameters of highperformance gas turbine units for smal power engineering

Authors: Molyakov V.D., Tumashev R.Z.
Category: Transportation and Power Engineering
Keywords: layout, multi-shaft gas turbine unit, operating duty, parameter, part load, small power engineering, thermodynamic cyc

Technology and Process Machines

Effect of wave energy on efficiency of materials hydro processing

Authors: Galinovsky A.L., Provatorov A.S., Khafizov M.V.
Category: Technology and Process Machines
Keywords: computer simulation, acoustic emission, waterjet, wave process

Factor model of ultra-jet hydroerosion

Authors: Barzov A.A., Galinovsky A.L., Abashin M.I.
Category: Technology and Process Machines
Keywords: diagnostics, informative sign, factor, ultra-jet, response function, factor analysis

Mutual influence of workpiece heating temperature and deformamition rate in semi-solid forging

Authors: Bocharov Yu.A., Kojdan I.M.
Category: Technology and Process Machines
Keywords: thixoforging, globular microstructure, deformation rate, laminar flow, turbulent flow, semi-solid material, slug temperature, type of a forming

Reserves to improve the precision of gear grinding mod. 5M841

Authors: Veregina L.I.
Category: Technology and Process Machines
Keywords: gear grinding machine, machining precision

Instruction & Methodology

The role of education & rehabilitation complex in engineering graphics to build professional competencies in integrated education of hard-of-hearing students at the technical university

Authors: Lunina I.N.
Category: Instruction & Methodology
Keywords: engineering graphics, education & rehabilitation complex, professional competence, hard-of-hearing students