Results 251 to 260 of about 1,070,708 (345)

Theoretical Investigation of Structural and Optical Peculiarities of Bikaverin Fungal Pigment in Chloroform Solution. [PDF]

Molecules
Povolotckaia A, Pankin D, Belousov S, Boyko A, Akulov S, Borisov E, Gulyaev A, Gudkov S, Izmailov A, Moskovskiy M.   +9 more
europepmc   +1 more source

Dynamic Behavior of Corrugated Cardboard Edge Damaged by Vibration Input Environments. [PDF]

Materials (Basel)
Kim S, Jang Y, Kim W, Lee C, Park J.
europepmc   +1 more source

Acoustoplasmonic Metasurfaces Based on Polymer-Grafted Nanoparticles. [PDF]

Nano Lett
Vasileiadis T, Dhiman AK, Noual A, Sbalbi N, Ye M, Macfarlane RJ, Graczykowski B, Fytas G.   +7 more
europepmc   +1 more source

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A mathematical model of physically nonlinear torsional vibrations of a circular elastic rod

Vestnik Tomskogo gosudarstvennogo universiteta Matematika i mekhanika, 2023
A mathematical model of non-stationary torsional vibrations of a circular elastic rod is developed taking into account the Kauderer nonlinear law of elasticity.
K. Khudoynazarov
semanticscholar   +1 more source

Analysis of Torsional Vibrations on the Resolver Under Eccentricity in PMSM Drive System

IEEE Sensors Journal, 2022
Since any error in the rotor angle caused by the resolver affects the entire permanent magnet synchronous motor (PMSM) control drive system, it is necessary to investigate its effect on mechanical vibrations. Torsional vibration is accordingly considered
M. Khajueezadeh, Sajjad Feizhoseini, Z. Nasiri-Gheidari, M. Behzad   +3 more
semanticscholar   +1 more source

Vertical and torsional vibrations before the collapse of the Tacoma Narrows Bridge in 1940

Journal of Fluid Mechanics, 2022
We perform a three-dimensional direct numerical simulation of flow over the Tacoma Narrows Bridge to understand the vertical and torsional vibrations that occurred before its collapse in 1940.
Daeun Song, W. Kim, Oh-kyoung Kwon, Haecheon Choi   +3 more
semanticscholar   +1 more source

Development of a model predictive controller for an active torsional vibration damper to suppress torsional vibrations in vehicle powertrains

Proceedings of the Institution of mechanical engineers. Part D, journal of automobile engineering, 2021
The pressure of exhaust emission regulations on automotive manufacturers to reduce environmental pollution and fuel consumption of internal combustion engines (ICEs) have stimulated the works on the downsizing, downspeeding, and turbo supercharging ...
Alişan Yüceşan, A. Mugan
semanticscholar   +1 more source

Torsional Vibrations in Open Loop Volts Hertz Variable Frequency Drive Induction Motor Driven Mechanical Systems

2020 IEEE Texas Power and Energy Conference (TPEC), 2020
Variable Frequency Drives (VFD) use pulse width modulation (PWM) to modulate current/voltage input to the motor, resulting in an electromagnetic torque with a rich harmonic spectrum.
S. Mishra, A. Palazzolo, Xu Han, Yashu Li, Chris D. Kulhanek   +4 more
semanticscholar   +1 more source

Stochastic modeling for hysteretic bit–rock interaction of a drill string under torsional vibrations

Journal of Vibration and Control, 2019
This paper aims at constructing a stochastic model for the hysteretic behavior of the nonlinear bit–rock interaction of a drill string under torsional vibrations.
F. Real, A. Batou, T. Ritto, C. Desceliers   +3 more
semanticscholar   +1 more source

Torsion vibration damper

The Journal of the Acoustical Society of America, 1983
A torsional vibration damper having limit stops to limit the compression of the springs and to avoid overstraining of the springs. Spring retainers which seat on the driving and driven members have protrusions and recesses to minimize relative rubbing motion and wear and provide improved alignment of the spring seats in the assembly with the springs ...
George T. Prince, Geradus M. Ballendux
openaire   +1 more source