Results 61 to 70 of about 16,932 (261)

Numerical modelling of ground borne vibrations from high speed rail lines on embankments [PDF]

, 2013
A three dimensional numerical model is presented capable of modelling the propagation and transmission of ground vibration in the vicinity of high speed railways.
Giannopoulos, A, Forde, MC, Giannopoulos, A., Connolly, D., Forde, M. C., Connolly, D   +5 more
core   +1 more source

Analysis of the traction forces of two adjacent linear induction motors

Scientific Reports
Linear induction motors (LIMs) are positioned head-to-tail in medium and low-speed maglev (MLSM) trains, and the interaction due to small spacing between two LIMs is not yet clear.
Min Zhang, Shujuan Luo, Yu Liu, Xubin Zhuang, Weihua Ma   +4 more
doaj   +1 more source

Study on the Vibration Behaviour of Locomotives Under Wheel Polygon Excitation and Its Quantitative Detection Method

IEEE Access
Wheel polygons can significantly impair the operational quality, service life and ride comfort of railway systems and even threaten the safety of train operations.
Weiwei Gan, Zhonghao Bai, Qinglin Xie, Bingguang Wen, Xinyu Qian, Zhigang Hu, Gongquan Tao, Zefeng Wen, Kan Liu   +8 more
doaj   +1 more source

Analysis of the Crashworthiness of Novel Flax‐Fiber Hybrid Reinforced Three‐Dimensional Woven Composites

Polymer Composites, EarlyView.
Through‐thickness binder yarns in tailored three‐dimensional woven flax‐fiber composites stabilize damage propagation and promote progressive crushing, enhancing crashworthiness and energy absorption. ABSTRACT This study investigates the impact crashworthiness performance of flax‐fiber reinforced three‐dimensional (3D) composites through a ...
H. F. M. de Queiroz, A. Ciampaglia, M. D. Banea, R. Ciardiello   +3 more
wiley   +1 more source

Thermo-mechanical Coupling of Pantograph-Catenary System under Different Ambient Temperatures

Chengshi guidao jiaotong yanjiu
[Objective] Under extreme ambient temperatures, issues such as excessive temperature rise and intensified contact force fluctuation readily occur in the PC (pantograph-catenary) contact zone.
JIANG Hangyan, ZHOU Ning, GAO Haixiang, LI Mudi, LUO Jianwei, ZHANG Weihua   +5 more
doaj   +1 more source

Influence of Thermal Cycling on Friction, Wear, and Damage Evolution of Fused Deposition Modeling of 3D‐Printed Glass Fiber Reinforced Polylactic Acid Composites

Polymer Composites, EarlyView.
Schematic illustration of the experimental procedure of the specimens. ABSTRACT This research work investigated the effect of the cyclic thermo‐hygrometric aging regime between −20°C and +40°C with 0–400 cycles on the reciprocating tribological properties of fused deposition modeling (FDM) printed polylactic acid (PLA) and the same material reinforced ...
Sinan Fidan, Satılmış Ürgün, Nevin Gamze Karsli, Taner Yılmaz, Mustafa Özgür Bora, Mehmet İskender Özsoy   +5 more
wiley   +1 more source

Dynamic response of vehicle-track coupling system with an insulated rail joint

, 2013
The dynamic behavior of vehicle and track systems is studied in the presence of an insulated rail joint through a two-dimensional vehicle-track coupling model.
Grossoni, Ilaria, Gong, Cencen, Iwnicki, Simon, Bezin, Yann   +3 more
core  

Research on shear fracture behavior of bolt and design method for retractable coupler

Scientific Reports
To ensure the coupler’s adequate retraction in rail vehicle collisions, this study systematically investigates the shear fracture behavior of bolts, focusing on the effects of geometric parameters and loading dynamics.
Haoxu Ding, Tao Zhu, Long Yang, Xiaorui Wang, Bing Yang, Shoune Xiao, Yi Yang, Yanwen Liu   +7 more
doaj   +1 more source

Sustainable Cities Under Pressure: Climate Risk, Oil Price Uncertainty, and Technological Innovation in GCC Countries

Sustainable Development, EarlyView.
ABSTRACT This study examines the dynamic interactions between climate risk, oil price uncertainty (OPU), and technological innovation in shaping Sustainable Development Goals (SDGs) related to Sustainable Cities and Communities (SCC) across Gulf Cooperation Council (GCC) countries from 2005 to 2024. Using a panel Time‐Varying Interactive Fixed Effects (
Mohamed Sami Ben Ali, Alanoud Al‐Maadid, Kamal Si Mohammed   +2 more
wiley   +1 more source

Development of a new running gear for the Spectrum intermodal vehicle

, 2016
The European Union (EU) Seventh Framework Programme (FP7) project Spectrum [12] set out to develop a freight vehicle which would facilitate the exploitation of the low density, high value (LDHV) goods market.
Shackleton, P., Shackleton, Philip, Crosbee, David, Bezin, Y., Kaushal, A., Molyneux-Berry, Paul, Kaushal, Aniruddha, Molyneux-Berry, P., Bezin, Yann, Crosbee, D.   +9 more
core   +1 more source