Results 11 to 20 of about 507 (175)

Kinematics Analysis for High-speed Pantograph

机车电传动, 2013
Function and structure of the high-speed pantograph used on the CRH380CL were introduced. This paper put emphasis onthe kinematics of the pantograph. A motion model of the pantograph was built.
GUO Gui-lin, WANG Jun-yong
doaj   +1 more source

A study on aerodynamic pass-by noise based on equivalent source method [PDF]

Scientific Reports
Pass-by noise generated by high-speed trains is an important influencing factor on the surrounding environment and is getting more and more attention with the increase of speed.
Shumin Zhang, Jiawei Shi, Haoran Wang
doaj   +2 more sources

Study on Applicability of V500 High-speed Pantograph Models

机车电传动, 2013
To analyze applicability of pantograph models, dynamic parameter identifying was implemented for domestic independentdevelopedV500 high-speed pantograph prototype, and pantograph two-lumped-mass model and three-lumped-mass model kinetic parameterwere ...
ZHONG Wei-guang, ZHANG Wei-hua, MEI Gui-ming   +2 more
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Numerical Investigation on Aerodynamic Drag and Noise of Pantographs with Modified Structures [PDF]

Journal of Applied Fluid Mechanics, 2022
It is well known that the pantograph, which works as a complex component of high-speed trains, is an important source of aerodynamic drag and aerodynamic noise of a high-speed train (HST) that can affect HST performance, comfort for passengers, and ...
Y. Yao, Z. Sun, G. Li, P. Prapamonthon, G. Cheng, G. Yang   +5 more
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Validation and Analysis on Numerical Response of Super-High-Speed Railway Pantograph-Catenary Interaction Based on Experimental Test

Shock and Vibration, 2021
The numerical tools can be used to facilitate the design of the railway pantograph-catenary system. The validation of the current numerical results is mostly performed at a speed slower than 350 km/h. This paper aims at the validation and analysis of the
Jia Yang, Yang Song, Xiaobing Lu, Fuchuan Duan, Zhigang Liu, Ke Chen   +5 more
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The Construction Parameter Optimization of High-Speed Pantograph

Journal of Physics: Conference Series, 2021
Abstract The composition structure of high-speed pantograph is analyzed, which is transformed into a four-rod mechanism, and the relative motion relation and its position coordinate equations are built by constructing a kinematics model. Based on the equations of motion of pantograph and the simulation of motion pattern between elevation
Jianpu Wang, Chenglong Ren, Lei Hong
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Numerical Study on the Aeroacoustic Performance of Different Diversion Strategies in the Pantograph Area of High-Speed Trains at 400 km/h

Applied Sciences, 2022
The speed increase in high-speed trains is a critical procedure in the promotion of high-speed railway technology. As an indispensable and complex structure of high-speed trains, the pantograph’s aerodynamic drag and noise is a significant limitation in ...
Hongkang Liu, Siqi Zhou, Rongrong Chen, Zhuolun Li, Shishang Zhang, Yatian Zhao   +5 more
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The contact performance of multi-segmented pantograph head on test bench and current collection testing equipment

Nihon Kikai Gakkai ronbunshu, 2022
Toward an advanced high-speed railway system, there are ongoing extensive studies on both of railway vehicles and infrastructures. Reducing the aerodynamic noise emitted from the pantograph heads is one of the most important subjects for high-speed ...
Takayuki USUDA, Takeshi MITSUMOJI, Kyohei NAGAO, Yoshitaka KUBOTA, Masaki TAKAHASHI, Yusuke WAKABAYASHI   +5 more
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Numerical study on the effect of pantograph fairing on aerodynamic performance at various train heights

Engineering Applications of Computational Fluid Mechanics, 2023
The pantograph is one of the primary sources of aerodynamic drag and noise during the operation of a high-speed train. To investigate the impact of the pantograph fairing on the aerodynamic performance at various train heights, six computational models ...
Hongkang Liu, Rongrong Chen, Siqi Zhou, Yupeng Gao, Yong Zou, Tanghong Liu, Yatian Zhao   +6 more
doaj   +1 more source

Aerodynamic Characteristics of High-speed Train Pantographs Based on Jet Flow Control [PDF]

Journal of Applied Fluid Mechanics
The pantograph is a critical instrument that significantly affects the aerodynamics of high-speed trains, posing a considerable challenge to the energy conservation and environmental protection of trains.
S. Huang, B. D. Zhang, Z. W. Li, J. P. Zhao, W. J. Peng, J. R. Lin   +5 more
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