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Diffraction of sound on an elastic cylindrical shell with a covering
submitted by MigueKyan 40 minutes ago
Diffraction of a hydroacoustic field on an elastic cylindrical shell with a covering was considered. Conditions allowing minimization of the scattered field at combined selection of impedances were obtained.
 
1 dig(s) Bury Topic: Industrial


Plastic forming of a wheel gear forge at a crank-type hot forging press
submitted by robotlee 40 minutes ago
A numerical model of the nonstationary process of plastic forming in the case of hot open volume stamping of a wheel gear forge at a crank-type hot forging press is presented. The rigid-plastic model of the blank material with allowance for the change in the average yield load depending on the de...
 
1 dig(s) Bury Topic: Industrial
Circuit-engineering solutions and experimental studies of the vibration isolator with conversion of motion of the inertia elements
submitted by mene 40 minutes ago
The test item, the vibration isolator with transformation of motion of the inertia elements, is reviewed. The results of the experimental study of the stiffness characteristics of this vibration isolator are represented. Its static and dynamic characteristics are given. The effects of the dynamic...
 
1 dig(s) Bury Topic: Industrial
Requirements for safe operation of transport aircraft structures
submitted by BarrettMan 40 minutes ago
The paper presents recommended criteria of operational survivability of structures at the aircraft design stage. The criteria are based on a generalization of results of computational and experimental studies conducted in the TsAGI with companies O.K. Antonov, S.V. Il’yushin, A.N. Tupolev, and ...
 
1 dig(s) Bury Topic: Industrial


A computational and experimental method for plotting multicycle fatigue curves for structural elements with concentrated stress
submitted by BarrettT 40 minutes ago
A theoretical method is considered for the theoretical plotting of the fatigue curves for specimens with stress concentration using the results of tests for smooth samples. The method is based on the results of a large number of experimental data for each material (from 100 to 200 specimens for e...
 
1 dig(s) Bury Topic: Industrial
Vibroimpact motion, slippage and return of the rotor on the stator
submitted by sotesh 40 minutes ago
Transitional processes are investigated in the rotor-stator system when the rotor becomes abruptly unbalanced in their contact, and the rotor rotates slower or faster than its critical speed while the torque is standard for turbine characteristics. It is shown that rotor in contact can operate re...
 
1 dig(s) Bury Topic: Industrial
Modeling and optimization of characteristics of the conventional suspension of passenger car wheels
submitted by marksni321 40 minutes ago
In this work we consider the rear conventional suspension of passenger car wheels. Two patterns of spatial suspension mechanisms are proposed. In addition, it is shown that the second pattern is more preferable. This work is aimed at optimizing the kinematic characteristics of the second pattern ...
 
1 dig(s) Bury Topic: Industrial
Analysis of similarity of physical processes during simulation of cooling of machine crystallizers
submitted by ElliAydin 40 minutes ago
Similarity criteria describing physical the processes of boiling and condensation of a heat carrier were determined with a model and natural experiments based on the analysis of dimensions of parameters in the heat exchange problem during cooling of a crystallizer by heat pipes. Relationships of ...
 
1 dig(s) Bury Topic: Industrial
Computation of strength reliability for a wall of a cylindrical oil tank
submitted by Chamilani 40 minutes ago
Within frameworks of the random value theory, a statistical model is obtained for the reliability of a wall of an oil tank in the area of the joint with a tank bottom when the edge bending moment, specific weight of mineral oil, Poisson’s ratio, ultimate strength of steel, and diameter and thic...
 
1 dig(s) Bury Topic: Industrial
Reliability and cold resistance of thin-walled structures at low ambient temperatures
submitted by JorLaws 40 minutes ago
The authors propose to determine the reliability of metal structures (major pipelines, reservoirs, etc.) at low ambient temperatures in terms of the cold resistance criterion by using the second critical temperature of the ductile-brittle transition. The model takes into account degradation of pl...
 
1 dig(s) Bury Topic: Industrial
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