Results 1 to 10 of about 166,442 (303)

Numerical simulations and experimental analysis of high-speed turnout rails wear models [PDF]

open access: yesScientific Reports
This study analyzed different contact theories and models for simulating rail wear in the turnout areas. The typical cross-sections of the high-speed turnout switch and frog areas are selected.
Jincheng Li, Min Hu, Hao Wu, Hao Zhong
doaj   +2 more sources

Can nonpartisan primaries boost turnout and lessen demographic disparities? [PDF]

open access: yesPLoS ONE
U.S. congressional general elections are largely uncompetitive, featuring candidates who emerge from low-turnout primaries. Voters in these primaries are unrepresentative of the broader electorate; primary voters tend to be older and wealthier.
Todd Donovan   +2 more
doaj   +2 more sources

Research on wear and grinding models of high-speed turnouts based on semi-Hertz contact [PDF]

open access: yesScientific Reports
In order to reduce turnout rail wear, the paper establishes a coupled dynamics model and a turnout rail wear model that consider the true profile of the turnout rail, the vehicle’s continuous traction force while passing, and the operational resistance ...
Jincheng Li   +4 more
doaj   +2 more sources

Robust rational turnout [PDF]

open access: yesEconomic Theory, 2008
The author considers a two-candidate voting game in which the set \(N\) of voters (players) is an electorate split into two disjoint groups \(N = N_1\cup N_2\), where \(N_1=\{1,\dots, n_1\}\) and \(N_2=\{n_1+1,\dots, n_1+n_2\}\) for some naturals \(n_1\) and \(n_2\) with \(n_1+n_2\geq 2\).
Tasos Kalandrakis
openaire   +5 more sources

The vertical mobility of the first tarsometatarsal joint during demi-plié with forced turnout in ballet dancers [PDF]

open access: yesScientific Reports
The forced turnout has a perceived risk of development of hallux valgus (HV) in ballet dancers. We determined how the forced turnout affects the sagittal mobility of the first tarsometatarsal (TMT) joint, which is one of the pathogenic factors of HV ...
Honoka Ishihara   +9 more
doaj   +2 more sources

Feature recognition of state signal of electromechanical integration railway turnout over health parameters using CMOS area array technology

open access: yesThe Journal of Engineering, 2022
Railway turnout is the most important line connection equipment of high‐speed railway system. In order to improve the monitoring and maintenance of high‐speed railway turnout gap, we avoid the large impact of train operations on the turnout.
Yushuang Zhou   +2 more
doaj   +1 more source

Mathematical modelling of transients in the electric drive of the turnout of the mono-sleeper type with switched-inductor motor

open access: yesElectrical engineering & Electromechanics, 2021
Introduction. The study is devoted to the development of the functionality of a railway track switch by introducing a switched-inductor electric drive. This solution justifies simplifying the mechanical part of the switches by changing the gearbox to a ...
S. G. Buriakovskyi   +3 more
doaj   +1 more source

Railroad Turnout Wear Diagnostics

open access: yesSensors, 2021
The article presents a few issues related to the technical condition of a railway turnout, an important element of the railway network where about 90% of railway accidents occur.
Jerzy Kisilowski, Rafał Kowalik
doaj   +1 more source

The Global Dataset on Turnout (GD-Turnout)

open access: yesElectoral Studies, 2023
In this research note, we introduce the Global Dataset on Turnout (GD-Turnout), which includes information on 3217 elections for 190 countries from 1945 to 2020. GD-Turnout is benchmarked to the International Institute for Democracy and Electoral Assistance (IDEA) dataset on elections, the current most popular voter turnout dataset.
Ferran Martínez i Coma   +1 more
openaire   +2 more sources

Political equality without social equality? Social distortion of voter turnout in the European elections 2019 across nine European capitals

open access: yesResearch & Politics, 2020
Although we know a lot about why citizens vote or abstain in elections, the social inequality of low turnout in European elections has attracted little attention.
Stefan Haußner, Michael Kaeding
doaj   +1 more source

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