Results 21 to 30 of about 14,993 (257)

A New Knowledge-Distillation-Based Method for Detecting Conveyor Belt Defects

Applied Sciences, 2022
Aiming to assess the problems of low detection accuracy, poor reliability, and high cost of the manual inspection method for conveyor-belt-surface defect detection, in this paper we propose a new method of conveyor-belt-surface defect detection based on ...
Qi Yang, Fang Li, Hong Tian, Hua Li, Shuai Xu, Jiyou Fei, Zhongkai Wu, Qiang Feng, Chang Lu   +8 more
doaj   +1 more source

Rolling Stock [PDF]

Mechanical Engineering, 2001
This article discusses features of a new friction management system, which is intended to boost efficiency on the railroad. Friction Management Services LLC of West Chicago, Illinois, has developed a friction management system, called TracGlide that consists of a synthetic polymer and computerized application equipment, installed on the locomotive at ...
openaire   +1 more source

Determining the stress-strain state of the elastic clip of rail fastening W30

Вестник Научно-исследовательского института железнодорожного транспорта
Introduction. The article provides performance evaluation of the elastic clip of intermediate rail fastening during their strength characteristics assessment. In modern conditions this issue is solved by modelling using the finite element method. In order
V. S. Kossov, O. G. Krasnov, M. V. Timakov, A. L. Protopopov, S. V. Chunin, M. A. Litvinov   +5 more
doaj   +1 more source

Dynamic forces and processes in the rails under impact interaction of wheels with defects

Вестник Научно-исследовательского института железнодорожного транспорта, 2016
The paper presents the main results of comprehensive experimental studies on the determination of regularities of dynamic processes and actual values of the forces of interaction of wheels with defects on rolling surface and rails on the modern designs ...
O. G. Krasnov, O. K. Bogdanov, M. G. Akashev   +2 more
doaj   +1 more source

An analysis method for fatigue life of rail vehicle axles considering rotation effect of wheelset

Advances in Mechanical Engineering, 2022
In this paper, the discrepancy between the calculated and actual fatigue life distribution trend of the axles of railway vehicle structures is corrected.
Hanfei Guo, Xiangwei Li, Xiaoxue Liu
doaj   +1 more source

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

Substrate Stress Relaxation Regulates Cell‐Mediated Assembly of Extracellular Matrix

Advanced Functional Materials, EarlyView.
Silicone‐based viscoelastic substrates with tunable stress relaxation reveal how matrix mechanics regulates cellular mechanosensing and cell‐mediated matrix remodelling in the stiff regime. High stress relaxation promotes assembly of fibronectin fibril‐like structures, increased nuclear localization of YAP and formation of β1 integrin‐enriched ...
Jonah L. Voigt, Jens Timmer, Elisabetta Ada Cavalcanti‐Adam   +2 more
wiley   +1 more source