Results 21 to 30 of about 46,978 (252)
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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INFLUENCE OF WHEEL POLYGON ON DYNAMIC PERFORMANCE OF HIGH SPEED EMU
Jixie qiangdu, 2020 With the continuous improvement of the running speed of the EMU,the wear of the wheels during the operation is intensified,which increases the maintenance cost and deteriorates the service environment of the train.
ZHANG JieJuan +5 more
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Review on Fault Diagnosis Technology for High-speed EMU Gearboxes
Jixie chuandong, 2023 The gearbox is an important component of the system of high-speed trains, which is susceptible to damage and failure due to the long-term high-speed and heavy-load working environment, so it is important to diagnose the faults of high-speed train ...
Zhang Jianchao +4 more
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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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Study on the technologies development trend of high speed EMUs
High-speed Railway, 2023 High speed railway technologies are rapidly development in the world. The total distance of the high speed railway is more than 40,000 kilometers in China, and many types of high speed Electrical Multi-Units (EMUs) are operated. The top operation velocity of the train reaches 350 km/h. New science and technologies are developing rapidly. New generation
Chunfang Lu, Zunsong Ren, Chengxian Ma
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EU financial integration : is there a 'Core Europe'? ; evidence from a cluster-based approach [PDF]
, 2004 Numerous recent studies, e.g. EU Commission (2004a), Baele et al. (2004), Adam et al.(2002), and the research pooled in ECB-CFS (2005), Gaspar, Hartmann, and Sleijpen(2003), have documented progress in EU financial integration from a micro-level view ...
Kiehlborn, Thomas, Mietzner, Mark
core +1 more source
Scoping analytical usability evaluation methods: A case study [PDF]
, 2008 Analytical usability evaluation methods (UEMs) can complement empirical evaluation of systems: for example, they can often be used earlier in design and can provide accounts of why users might experience difficulties, as well as what those difficulties ...
Blandford, AE +3 more
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Research on Local Vibration Control of High-speed EMU Floor
Jixie Gongcheng Xuebao/Chinese Journal of Mechanical Engineering, 2021 exaly +2 more sources
Internal combustion engine sensor network analysis using graph modeling [PDF]
, 2017 In recent years there has been a rapid development in technologies for smart monitoring applied to many different areas (e.g. building automation, photovoltaic systems, etc.). An intelligent monitoring system employs multiple sensors distributed within a
A. Corsini +15 more
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