Results 21 to 30 of about 35,563 (301)
A Physically Consistent Model for Forced Torsional Vibrations of Automotive Driveshafts
Computation, 2022 The aim of this research was to design a physically consistent model for the forced torsional vibrations of automotive driveshafts that considered aspects of the following phenomena: excitation due to the transmission of the combustion engine through the
Mihai Bugaru, Andrei Vasile
doaj +1 more source
New definition for torsional irregularity based on floors rotations of reinforced concrete buildings
Journal of Engineering and Applied Science, 2022 Earthquake investigations confirm that un-symmetric buildings suffer more damage than their symmetric counterparts. Torsional vibrations due to irregularity are one of the main factors which cause damage to buildings.
Khaled M. Alaa +2 more
doaj +1 more source
Buildings, 2023 Suspension bridges’ in-plane extended configuration makes them vulnerable to wind-induced vibrations. Vortex shedding is a kind of aerodynamic phenomenon causing a bridge to vibrate in vertical and torsional modes.
Seyed Hossein Hosseini Lavassani +3 more
doaj +1 more source
Differential Equations of Torsional and Linear Vibrations of Dynamic System
Наука и техника, 2004 The paper considers a five-mass dynamic system in which separate weights make angular and linear movements, it means that torsional and linear vibrations take place. The system of differential equations describing torsional and linear vibrations is given
N. A. Mikulik, G. N. Reizina
doaj +1 more source
Actuators, 2020 A piezoelectric motor driven by the first-order torsional and first-order flexural (T/F) vibrations is designed, fabricated, and tested in this study. The actuating force is generated by the torsional vibration of the dumbbell-shaped vibrator, while the ...
Jianye Niu +4 more
doaj +1 more source
Torsional Vibrations in a Crank Shaft [PDF]
, 1991 In this paper, we analyze the torsion in the crank shaft of a gas compressor with one crank. The effect of damping will not be studied here. The geometry is as drawn in Fig. 1. Two forces are exerted on the shaft. First, it is at one end driven by a motor.
openaire +3 more sources
Vibration measurement for crack and rub detection in rotors
Metrology and Measurement Systems, 2020 Shaft-stator rub and cracks on rotors, which have devastating effects on the industrial equipment, cause nonlinear and in some cases chaotic lateral vibrations.
Hajnayeb Ali +2 more
doaj +1 more source
DETERMINATION OF A TORSIONAL VIBRATION VISCOUS DAMPER’S OPERATING TEMPERATURE USING A NEW THERMOHYDRODYNAMIC MODEL [PDF]
Transport Problems, 2023 This article presents an innovative algorithm and mathematical model of a torsional vibration viscous damper. The problem of torsional vibrations damping in a multicylinder internal combustion engine is extremely important for the reliable operation of a
Wojciech HOMIK +2 more
doaj +1 more source
Counter torque control of torsional vibration suppression device using permanent magnets
Nihon Kikai Gakkai ronbunshu, 2022 A periodic reversal spring (PRS) with permanent magnets is proposed to suppress the torsional vibration of automobile powertrains. Results of numerical dynamic simulations pertaining to automobile powertrains from a previous study show that the magnetic ...
Tomohiro MIYABE +3 more
doaj +1 more source
Vibration Powered Radiation of Quaking Magnetar [PDF]
, 2011 In juxtaposition with the standard model of rotation powered pulsar, the model of vibration powered magnetar undergoing quake-induced torsional Alfven vibrations in its own ultra strong magnetic field experiencing decay is considered.
Bastrukov, S. +3 more
core +3 more sources