Results 11 to 20 of about 839,166 (302)

Application status and problems of machine-made sand in Highway Engineering [PDF]

open access: yesE3S Web of Conferences, 2020
Based on the investigation of the application of machine-made sand in Shaoxing, Zhejiang Province, this paper analyses the supply and demand of local machine-made sand, combined with the application of machine-made sand in highway engineering projects ...
Songhua Wu   +4 more
doaj   +1 more source

Crashworthiness Analysis and Multi-Objective Optimisation of Multi-Cell Windowed Structures under Dynamic Impact Loading

open access: yesShock and Vibration, 2022
Applying a windowed design in a thin-walled structure is a method to further enhance the crashworthiness of the structure. In this study, two kinds of windowed designs were introduced into different regions of a multi-cell energy absorption structure to ...
Jiehao Chen   +3 more
doaj   +1 more source

Influencing factors and mechanism of high-speed railway passenger overall comfort: Insights from source functional brain network and subjective report

open access: yesFrontiers in Public Health, 2022
Overall comfort is the priority for the high-speed railway (HSR) passengers, while its influencing factors and mechanism are not yet apparent. According to the source functional brain network and subjective report, this study revealed the potential ...
Chaojie Fan   +15 more
doaj   +1 more source

“Where Have I Heard It?” Assessing the Recall of Traffic Safety Campaigns in the Dominican Republic

open access: yesEnergies, 2021
Although traffic crashes are the eighth leading cause of death in the world, and are linked to vehicle and infrastructure-related factors, crash-related fatality rates are much higher in low-income countries.
Francisco Alonso   +3 more
doaj   +1 more source

Simulation-based estimation of wheel/rail friction coefficient and wear number considering results of full-scale roller-rig test

open access: yesMechanical Engineering Journal, 2023
When railway vehicles run on sharp curves, the coefficient of friction (COF) between the outer rail and the leading-outside wheel flange of a bogie is an important value related to problems such as wheel/rail severe wear, squeak noise arising from wheel ...
Yosuke ICHIYANAGI   +9 more
doaj   +1 more source

A study on aerodynamic noise characteristics of a high-speed maglev train with a speed of 600 km/h [PDF]

open access: yesRailway Sciences, 2023
Purpose – This study aims to explore the formation mechanism of aerodynamic noise of a high-speed maglev train and understand the characteristics of dipole and quadrupole sound sources of the maglev train at different speed levels.
Jie Zhang   +4 more
doaj   +1 more source

Network-Based Bag-of-Words Model for Text Classification

open access: yesIEEE Access, 2020
The rapidly developing internet and other media have produced a tremendous amount of text data, making it a challenging and valuable task to find a more effective way to analyze text data by machine. Text representation is the first step for a machine to
Dongyang Yan   +3 more
doaj   +1 more source

Estimation of coefficient of friction between flange and rail utilizing vehicle dynamics simulation (Investigation based on roller-rig test with different lubrication condition)

open access: yesNihon Kikai Gakkai ronbunshu, 2021
The coefficient of friction (COF) between the outer rail and the leading-outside wheel flange of a railway bogie running on sharp curved track is an important parameter for the progress of wheel/rail wear and running safety.
Yohei MICHITSUJI   +9 more
doaj   +1 more source

TRAFFIC SAFETY STRATEGIES

open access: yesTRANSPORT, 2003
Fast development of the number of vehicles is closely related not only to large benefit for the public but also to certain undesirable social and economic consequences. Firstly — large numbers of injured and killed people are involved into the accidents.
Vigilijus Sadauskas, Vigilijus Sadauskas
openaire   +5 more sources

Research of the occupant protection in Full frontal rigid barrier impact test and Frontal offset deformable barrier impact test

open access: yesNihon Kikai Gakkai ronbunshu, 2015
Approximately a third of the traffic accident fatalities in Japan are caused as a result of accidents while a person is in a vehicle. Collision from the frontal direction accounts for 53 percent, a much higher percentage than accidents involving ...
Shunsuke TAKAGI   +2 more
doaj   +1 more source

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