Results 31 to 40 of about 4,153 (287)

Vibration Characteristics Analysis of a Piezoelectric Disc or Torsional Transducers [PDF]

Transactions of the Korean Society for Noise and Vibration Engineering, 2005
This paper presents an analytical approach for the vibration characteristics of a piezoelectric disc for torsional vibration transducers. The characteristic equation of the piezoelectric annular disc has been derived from Gibbs` free energy equations and mechanical and electrical equilibrium.
openaire   +1 more source

Transient torsional vibration analysis of marine diesel engine under short-circuit impact

Zhongguo Jianchuan Yanjiu
ObjectivesIn order to formulate an optimization scheme for the torsional vibration parameters of a marine diesel generator shaft system, it is necessary to analyze the transient torsional vibration characteristics of the diesel generator under short ...
Congcong XU, Gang LIANG, Jie TAO, Yafei JIAO, Jinyuan CHEN, Pengcheng WANG, Mengcan DENG   +6 more
doaj   +1 more source

Flexural–torsional coupled vibration and buckling of thin-walled open section composite beams using shear-deformable beam theory

, 2009
A general analytical model based on shear-deformable beam theory has been developed to study the flexural–torsional coupled vibration and buckling of thin-walled open section composite beams with arbitrary lay-ups.
Lee, Jaehong, Vo, Thuc
core   +1 more source

Design Improvement of a Viscous-Spring Damper for Controlling Torsional Vibration in a Propulsion Shafting System with an Engine Acceleration Problem

Journal of Marine Science and Engineering, 2020
In order to cope with strengthened marine environmental regulations and to reduce fuel consumption, recently constructed vessels are equipped with an ultra-long stroke engine and apply engine de-rating technology.
Jaehoon Jee, Chongmin Kim, Yanggon Kim
doaj   +1 more source

Master-slave synchronous control method for attenuating dual mode electromechanical transmission system torsional vibration

Journal of Low Frequency Noise, Vibration and Active Control, 2022
The high-power electromechanical transmission (EMT) system is a typical dual-mode hybrid power transmission system. The torque fluctuation of internal combustion engine causes serious shock and vibration problems of EMT.
Wei Zhang, Hui Liu, Xun Zhang, Zhen Wang, Pengfei Yan   +4 more
doaj   +1 more source

Characteristics Analysis of Non-linear Torsional Vibration in Engine and Generator Shafting system

, 2015
To solve the non-linear torsional vibration problem of engine and generator shafting causing body structural vibration and noise in motorized wheel vehicle, where the engine and the generator connected directly. First of all, analysis the characteristics
Zhang, Wei; University of Science & Technology Beijing, Zhang, Wenming; University of Science & Technology Beijing, Zhao, Xuan; University of Science & Technology Beijing, Guo, Miaomiao; Beiqi Foton Motor Co. , Ltd   +3 more
core   +1 more source

Experimental study of coupled shaft bending - blade umbrella mode vibration of a turbine rotor model

Nihon Kikai Gakkai ronbunshu, 2014
This paper describes an experimental study on the characteristics of blade-shaft coupled bending vibration of a rotor system with a bladed disk. In a rotor with relatively long blades such as low-pressure steam turbines, the coupled vibration of shaft ...
Takeshi KUDO, Koki SHIOHATA, Osami MATSUSHITA, Hiroyuki FUJIWARA, Shigeo SAKURAI, Hideo YODA   +5 more
doaj   +1 more source

Air‐Pressure–Actuated Vibroacoustic Metamaterial With Tunable Bandgap: Design, Modeling, and Characterization

Advanced Engineering Materials, EarlyView.
This article presents the design, modeling, and characterization of air‐pressure–actuated programmable vibroacoustic metamaterials (PVAMM). The study focuses on leveraging air pressure to dynamically tune resonance frequencies for effective noise attenuation.
William Kaal, Michael M. Becker, Sarah C. L. Fischer   +2 more
wiley   +1 more source

Torsional vibration analysis of automotive drivelines [PDF]

, 1997
One of the most important source of noise and vibrations associated with vehicles is the vibration of driveline systems. Such phenomena are subjectively associated with customer complaints.
Rabeih, El-Adl Mohammed Aly
core  

Integration of Theoretical and Experimental Torsional Vibration Analysis in a Marine Propulsion System with Component Degradation

Applied Sciences
This study investigates torsional vibration characteristics in an aged coastal car ferry propulsion system using theoretical calculations based on the Matrix method alongside experimental measurements.
Quang Dao Vuong, Jiwoong Lee, Jae-Ung Lee   +2 more
doaj   +1 more source