Results 261 to 270 of about 183,967 (321)
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Engineering Failure Analysis, 2020
Abstract Root causes of numerous crack failures are attributed to the torsional oscillation between the turbine generator and the grid. To prevent such kind of failures, torsional vibration monitoring system has been intensively installed in reality and the torsional vibration is more and more observed in the operation.
Chao Liu, Dongxiang Jiang
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Abstract Root causes of numerous crack failures are attributed to the torsional oscillation between the turbine generator and the grid. To prevent such kind of failures, torsional vibration monitoring system has been intensively installed in reality and the torsional vibration is more and more observed in the operation.
Chao Liu, Dongxiang Jiang
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Longitudinal and Torsional Vibration Characteristics of Boron Nitride Nanotubes
Journal of Vibration Engineering & Technologies, 2019Boron nitride nanotubes (BNNTs) are new cousins of carbon nanotubes (CNTs), which alternately substitute boron and nitrogen atoms for carbon atoms entirely. Its excellent physical and chemical properties, such as excellent thermal stability, chemical inertness and strong acid corrosion resistance, make BNNTs products be favorable to machine, thus ...
J. W. Yan, J. B. He, L. H. Tong
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Study on Torsional Vibration Characteristics of Cross Shaft Universal Coupling
Journal of Ship Research, 2020In this work, the ship propulsion shaft system with cruciform universal coupling is studied. First, based on the analysis of the structure and characteristics of the cross-axis universal coupling, the motion relations and expressions between the components of the universal coupling are established by using the coordinate transformation method.
Nengqi Xiao +3 more
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Radial and torsional vibration characteristics of a rub rotor
Nonlinear Dynamics, 2013zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Lu, Wenxiu, Chu, Fulei
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Analysis of transmission box vibration characteristics under random road torsional excitation
Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering, 2021Random road torsional excitation is a key excitation condition for transmission box vibration of tracked vehicles. In order to accurately analyze influences of random road torsional excitation on the vibration characteristics of the transmission box, a calculation method of this excitation for tracked vehicle is proposed based on the random expression
Shengping Fu, Shanming Luo, Hanlin Huang
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Torsional vibration characteristics of a power-split hybrid system
International Journal of Electric and Hybrid Vehicles, 2013A torsional vibration dynamic model is built to predict the torsional vibration characteristics of a power–split hybrid system. On the basis of this dynamic model, the system dynamic equations of hybrid driveline are set, from which the natural frequencies and relevant mode shapes under different driving modes are solved using the corresponding ...
Xiaolin Tang +3 more
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Nonlinear torsional vibration characteristics of PMSM for HEV considering electromagnetic excitation
International Journal of Applied Electromagnetics and Mechanics, 2015Permanent magnet synchronous motor is an electromechanical coupled system. Electromagnetic field can result in change of the dynamic behaviors of the PMSM's rotor system. Here, changes to the electromagnetic torque excitation caused by the torsional displacement are considered using electromechanical coupled dynamic equations for the rotor.
Chen, Xing +3 more
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Chaos, Solitons & Fractals, 2017
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Liu, Shuang +3 more
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Liu, Shuang +3 more
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Multibody System Dynamics
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Wang, Jie +5 more
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Wang, Jie +5 more
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Vibration characteristics of piezoelectric torsional transducers
Journal of Sound and Vibration, 2003Abstract The vibrational characteristics of Langevin–type torsional transducers, which consist of two piezoelectric torsional disks and two elastic blocks, are studied theoretically and experimentally in this paper. The differential equations of piezoelectric torsional motions are derived in terms of the circumferential displacement and the electric ...
Jin O. Kim, Oh Soo Kwon
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