Results 11 to 20 of about 3,034 (213)
Multi-objective aerodynamic optimization design of high-speed maglev train nose [PDF]
Railway Sciences, 2022 Purpose – The nose length is the key design parameter affecting the aerodynamic performance of high-speed maglev train, and the horizontal profile has a significant impact on the aerodynamic lift of the leading and trailing cars Hence, the study analyzes
Shuanbao Yao, Dawei Chen, Sansan Ding
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Analysis and Solution of Electromagnetic Emission of High-speed EMU
机车电传动, 2020 In order to solve the problem of electromagnetic emission problem of high-speed EMU in the fixed frequency band during the type test, the electrical principle system of vehicle traction drive system was decomposed. The radio frequency emission mechanism occurring in the frequency band of 150 kHz~1.15 MHz and 200 MHz~1 GHz was analyzed from the ...
Nan JIA, Qiumin ZHANG
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Metals, 2022 Microstructures and mechanical properties of Al-5Zn-2.6Mg alloys with 0.24, 0.43, and 0.91 wt.% Cu were studied and the precipitation rate and activation energy at 378, 393, and 408 K were calculated using the Arrhenius equation in this work.
Aiqin Tian +3 more
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Investigation on the fluid-solid coupling effect in high-speed train’s windshield structure
Alexandria Engineering Journal, 2023 The high-speed train’s windshield structure is vital to the boundary layer development and drag reduction design. Up to date, windshield structures are assumed as rigid body in most train aerodynamic numerical simulations.
Jiangchuan Ma +7 more
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Design of permanent magnet traction system for a new generation of high-speed EMU
机车电传动, 2023 In order to promote scientific and technological innovation in the field of high-speed railway equipment, a new generation of 400 km/h EMU is attempted to create, which is faster, safer, more environment-friendly, energy-saving, intelligent. Based on the
WANG Lei +3 more
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International Journal of Electrochemical Science, 2020 We developed a facile, rapid, scalable, and environmentally friendly route to synchronously achieve ultrathin, high-quality graphene and MnO2 nanosheets, which spontaneously migrated and coassembled on a cathodic 3D Ni foam.
Xin Cao +10 more
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Fault Analysis System for High Speed EMU Control Network Based on Fault Tree
Kongzhi Yu Xinxi Jishu, 2022 At present, fault analysis of high speed EMU is to classify and list all the fault causes according to the working principle, characteristics, functions and structure of the system.
XU Qing, LI Chuanyu
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Effects of Crash Dynamic Parameters of Urban Rail Transit Train on Climbing Behavior
Chengshi guidao jiaotong yanjiu[Objective] In order to strengthen the passive safety design ability of urban rail transit trains during operation, it is necessary to study the effects of train crash dynamics parameters on climbing behavior.
Jiao XU +4 more
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Investigation on influencing factors of wheel polygonization of a plateau high-speed EMU train [PDF]
Railway SciencesPurpose – This study aims to investigate the cause of high-order wheel polygonization in a plateau high-speed electric multiple unit (EMU) train. Design/methodology/approach – A series of field tests were conducted to measure the vibration accelerations ...
Wei Li +4 more
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Study on Electromagnetic Interference of high-speed railway EMU
TELKOMNIKA Indonesian Journal of Electrical Engineering, 2014 Electromagnetic radiation generated by pantograph-catenaries detachment is one of the inevitable problems with the development of high-speed railway this paper is focusing on the generating mechanism and characteristics of electromagnetic noise caused by pantograph-catenaries system.
LIU Jin-jiang, CHENG Qiang, CHENG Ning
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