Results 21 to 30 of about 205,985 (308)
Shock and Vibration, 2016 Track stiffness in railway turnouts is variable due to differences in structural composition along the longitudinal direction, which will lead to severe dynamic interaction between train and turnout. In this paper, a transient analysis model is presented
Jingmang Xu +4 more
doaj +1 more source
A Closed-Form Solution for 3D Source Localization Using Angles and Doppler Shifted Frequencies
IEEE Access, 2023 Moving source localization in 3-D space using frequencies of arrival (FOA) have recently made significant progress with the development of closed-form solutions.
Zhu Jiandong, Ding Ting, Qiao Lijuan
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Hot Tensile Behavior of 05Cr17Ni4Cu4Nb Stainless Steel: Damage Model and Fracture Characteristics
MetalsThis study investigates the hot tensile behavior and fracture characteristics of 05Cr17Ni4Cu4Nb stainless steel through isothermal tensile tests conducted under various deformation parameters.
Jing Yuan +3 more
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Advances in Materials Science and Engineering, 2014 Uniaxial compression test of cement asphalt (CA) mortar specimens, due to drying and wetting cycle of 0, 2, 4 and 8 times, is carried out by using the electronic universal test machine, with the strain rate ranging from 1 × 10−5 s−1 to 1 × 10−2 s−1.
Ping Wang +4 more
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An Enhanced LMMSE Channel Estimation under High Speed Railway Scenarios
, 2017 With the rapid deployment of the high speed railway (HSR), the wireless communication in HSR has been one of the indispensable scenarios in the fifth generation (5G) communications. In order to improve the performance of the orthogonal frequency division
Li, Yuli +3 more
core +1 more source
Dynamic Response of Wheel-Rail Interaction at Rail Weld in High-Speed Railway
Shock and Vibration, 2017 As a main part of continuously welded rail track, rail weld widely exists in high-speed railway. However, short-wave irregularities can easily initiate and develop in rail weld due to the limitation of welding technology and thus rail weld has been a ...
Boyang An +4 more
doaj +1 more source
Remote Sensing, 2019 Landslide is the second most frequent geological disaster after earthquake, which causes a large number of casualties and economic losses every year. China frequently experiences devastating landslides in mountainous areas.
Hongguo Jia +3 more
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Improving the activity of waste concrete recycled powder by a mechanical-microwave combing method [PDF]
Railway SciencesPurposeThe efficient utilization of recycled concrete powder (RCP) has attracted much attention. To break through the limitation of single activation technology of RCP, this study investigates the effects of a mechanical-microwave method on the ...
Henan Shi +5 more
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Advanced Science, EarlyView.Schematic showing a stretchable triboelectric nanogenerator based on interlocked wavy architectures that uses EGaIn microflower‐embedded PVDF‐TrFE and Nylon‐6 nanofiber membranes. The multi‐petaled, electron‐rich EGaIn microflowers enhance interfacial polarization and capacitance, while the interlocked wavy architecture enlarges the effective contact ...
Qianqian Xu +12 more
wiley +1 more source
Scientific ReportsThe stiffness combination of the dual-layer pads in indirect fastener systems significantly influences high-frequency wheel-rail wear behavior. However, the actual stiffness exhibits strong nonlinearity and non-uniformity due to the deformation of the ...
Xian Wang +5 more
doaj +1 more source