Results 21 to 30 of about 518 (154)

Vibro-isolation suspension with quasi-zero stiffness for vibroactive equipment [PDF]

open access: yesОмский научный вестник: Серия "Авиационно-ракетное и энергетическое машиностроение", 2019
The work is devoted to the theory of vibration isolation of vibroactive objects, for example: engines, generators, pumps, compressors, fans, pipelines etc.
Yu. A. Burian, M. V. Silkov
doaj   +1 more source

SIMULATION OF TRUCKING MODE CARS WITH A COMBINED ELASTIC ELEMENT IN THE REAR AXLE SUSPENSION

open access: yes, 2021
The article analyzes elastic elements with a nonlinear characteristic. To improve the smoothness of a truck, a combined elastic element is proposed, including a semi-eleptic spring and an air cylinder, for installation in the rear axle suspension of a ...
V. Pryadkin, A. Zavyalov
semanticscholar   +1 more source

Influence of aerostatic force on measuring the aerodynamic moment during the torsional oscillation of a linear blade cascade [PDF]

open access: yesMATEC Web of Conferences
An improved method of measuring unsteady aerodynamic moments at torsional oscillations of flexibly mounted blades in a linear cascade is presented. Specifically, a systematic error was found in measuring the real part of the unsteady aerodynamic moment ...
Tsymbalyuk Volodymyr, Eret Petr
doaj   +1 more source

Effect of longitudinal-angular oscillations of the harvester-thresher separator on smooth motion of the reaper

open access: yesAdvanced Engineering Research, 2017
Introduction. The effect of the low-frequency oscillations of the reaper on crop losses of the domestic combine harvesters is considered. In the study, various speeds of the machine, various mass-geometric and elastic-dissipative characteristics of the ...
Leonid M. Groshev   +2 more
doaj   +1 more source

Mathematical model of operation of an active two-axle four-wheel carriage with equalizing beam suspension in steady rectilinear motion on deformable bearing surface

open access: yesIzvestiya MGTU MAMI, 2013
The proposed mathematical model is derived from the known dependences defining interaction of an elastic wheel with deformable bearing surface, considering differences determining the conditions of the second axle wheels rolling moving in the tracks of ...
A. Lepeshkin
semanticscholar   +1 more source

The use of PI-algorithm for high-speed electric rolling stock automatic control system [PDF]

open access: yesE3S Web of Conferences
The article is devoted to analysis of automatic control systems used to optimize current collection on high-speed railway electric rolling stock. A classification of automatic control systems has been developed.
Sidorov Oleg   +5 more
doaj   +1 more source

Quality of Dynamics of Gas-static Thrust Bearing with Movable Carrying Circle on Elastic Suspension

open access: yesTribology in Industry, 2019
The aim of the work is to present a construction, a mathematical model and a method for calculating the indicators quality dynamics of a gasstatic thrust bearing with a сarrying center on an elastic suspension.
V. Kodnyanko, A. S. Kurzakov
semanticscholar   +1 more source

A Spatial Mathematical Model of the Dynamic Behavior of Modern Rolling Stock in High-Speed Traffic

open access: yesScience and Transport Progress
Purpose. The paper aims to develop a spatial mathematical model of the high-speed electric train EKr-1 “Tarpan” taking into account the design features of its first and second stages of spring suspension. Methodology.
A. Kuzyshyn, V. Kovalchuk, Y. Sobolevska
semanticscholar   +1 more source

Study of the oscillation of a wing mounted on an elastic suspension

open access: yesVibroengineering PROCEDIA, 2016
In this paper we explore the resonant properties exhibited by insects during hovering and present a wing actuation mechanism based on the structure of the insect thorax. A mathematical model of the proposed actuation mechanism is developed.
S. Jatsun, C. Sabau, S. Efimov
semanticscholar   +1 more source

A Comparative Study of Vibrations in Front Suspension Components Using Bushings Made from Different Materials

open access: yesEngineering Proceedings
The design of the suspension system affects handling and stability, vibrations of the steered wheels, vehicle ride comfort, and tyre tread wear. One of the most important vibration parameters is acceleration; high acceleration values can have an adverse ...
Krasimir Ambarev, Stiliyana Taneva
doaj   +1 more source

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