Results 31 to 40 of about 278,089 (299)

Railway Rolling Stock Planning: Robustness Against Large Disruptions [PDF]

, 2011
In this paper we describe a two-stage optimization model for determining robust rolling stock circulations for passenger trains. Here robustness means that the rolling stock circulations can better deal with large disruptions of the railway system.
Alberto Caprara, Ben-Tal A., Birge J., Caprara A., Gábor Maróti, Laura Galli, Leo Kroon, Paolo Toth, Valentina Cacchiani   +8 more
core   +3 more sources

Calculation and experimental evaluation of bogie frame and intermediate frame life of an eight-axle diesel locomotive

Вестник Научно-исследовательского института железнодорожного транспорта
Introduction. Long-term locomotive operation and safety considerations require new approaches to extending the life of its basic components operating under variable loads.Materials and methods.
S. V. Chunin, A. S. Gasyuk, M. V. Timakov, D. M. Fazliakhmetov, E. V. Muravlev, O. A. Lobachev   +5 more
doaj   +1 more source

On the issue of choosing vertical and horizontal connections in a bogie for freight cars of high-speed trains

Вестник Научно-исследовательского института железнодорожного транспорта, 2021
To increase the competitive advantages of rail freight transportation, the long-term development program of the Russian Railways provides for an increase in the speed of freight trains.
G. I. Gadzhimetov, G. I. Petrov, Yu. A. Panin, I. E. Il’in   +3 more
doaj   +1 more source

Study of the Aerodynamic Performance of Pantograph Bowhead with Serrated Lower Surface in the Thermal Management Systems of the High-Speed Train Electrical Devices

Energies, 2023
The thermal management problems of traction drive systems for high-speed trains are of great importance for the operation reliability of high-speed trains.
Bo Cai, Zhongkai Wu, Jiyou Fei, Chang Liu, Zhongzhen Guan   +4 more
doaj   +1 more source

Study on the Characteristics of Trackside Acoustic Flow Field of High-Speed Train under the Influence of Crosswind

Sensors, 2023
During the on-track acoustic detection process, a potential flow model and an acoustic finite element mathematical model based on synthetic wind are utilized, taking into account the combined effects of vehicle speed, wind direction angle, and crosswind ...
Xing Zhao, Lei Zhang, Lin Li, Qiying Feng   +3 more
doaj   +1 more source

Transparent Inorganic–Organic Bilayer Neural Electrode Array and Integration to Miniscope System for In Vivo Calcium Imaging and Electrophysiology

Advanced Functional Materials, EarlyView.
This study presents the BioCLEAR system, a highly transparent and conductive neural electrode array composed of silver nanowires (AgNWs) and doped PEDOT:PSS, enabling neural recordings with minimal optical artifacts. When integrated with a GRIN lens, this cost‐effective neural implant allows simultaneous electrophysiological recording and GCaMP6‐based ...
Dongjun Han, Kevin Cheng, Swathy Sampath Kumar, Anil Bollimunta, Elizabeth E. Torr, Juhwan Kim, Kyoungmin Kim, Hyungjun Choi, Seongkwon Hwang, Sarah Brodnick, David Cheng, Lindsay Gray, Yei Hwan Jung, William L. Murphy, Aaron J. Suminski, Jonathan J. Nassi, Justin C. Williams, Dong‐Wook Park   +17 more
wiley   +1 more source

Loading of cast supporting structures of three-piece bogie 18-100 in the presence of defects on the surface of wheel rolling

Вестник Научно-исследовательского института железнодорожного транспорта, 2016
Results of the loading study of support structures of bogies 18 - 100 with the presence of defects in the form of slides and uneven wheel wear on the rolling surface were shown. Research carried out by strain measurement.
O. G. Krasnov, G. S. Nozdrachev, А. S. Gasyuk   +2 more
doaj   +1 more source

Analysis of Acoustic Flow Field Characteristics of Key Components of High-Speed Train Bogies

Applied Sciences, 2023
In this paper, we aim to address the challenge of airflow interference during fault detection in high-speed train bogies by introducing a flow field and investigating the characteristics of the sound field distribution of critical components under its ...
Xing Zhao, Xiaoyang Jia, Lin Li, Hanyu Wang   +3 more
doaj   +1 more source

Rolling stock quality - Improvements and user willingness to pay. [PDF]

, 1998
This study has estimated monetary valuations of various types of rolling stock and stock related attributes in relation to each other. It has used a combination of Revealed Preference (RP) and Stated Preference (SP) methods.
Wardman, M., Whelan, G.
core  

Integrative Approaches for DNA Sequence‐Controlled Functional Materials

Advanced Functional Materials, EarlyView.
DNA is emerging as a programmable building block for functional materials with applications in biomimicry, biochemical, and mechanical information processing. The integration of simulations, experiments, and machine learning is explored as a means to bridge DNA sequences with macroscopic material properties, highlighting current advances and providing ...
Aaron Gadzekpo, Ewa Anna Oprzeska‐Zingrebe, Mariana Kozlowska, Lennart Hilbert, Iliya D. Stoev   +4 more
wiley   +1 more source