Journal ArticleDOI
Pressure transients induced by a high-speed train passing through a station
TLDR
In this article, the influence of the laws of train speed, crossing position, and other parameters on the pressure change of the platform screen doors and on board is analyzed using 1/20th scale train models with a head car and an end car.About:
This article is published in Journal of Wind Engineering and Industrial Aerodynamics.The article was published on 2014-12-01. It has received 59 citations till now. The article focuses on the topics: Train & Pressure sensor.read more
Citations
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Journal ArticleDOI
Oblique tunnel portal effects on train and tunnel aerodynamics based on moving model tests
TL;DR: In this article, the effects of oblique tunnel portals on train and tunnel aerodynamics using a 1:20 scale moving model device were investigated using a pressure sensor and micro-pressure wave measured using pressure sensors.
Journal ArticleDOI
Transient loads and their influence on the dynamic responses of trains in a tunnel
TL;DR: In this paper, the aerodynamic loads including transient pressure, lateral force, and overturning moment that are caused by a single train moving through a double-track tunnel or two trains passing each other in a tunnel were calculated.
Journal ArticleDOI
Aerodynamics of railway train/tunnel system: A review of recent research
TL;DR: Challenges in railway train / tunnel system aerodynamics and their related factors are discussed and a traffic safety evaluation of the train in tunnels, such as vehicle body structure, passengers’ ear comfort, etc.
Journal ArticleDOI
Effect of train length on fluctuating aerodynamic pressure wave in tunnels and method for determining the amplitude of pressure wave on trains
TL;DR: In this article, the aerodynamic performance of full-scale trains of different lengths going through or crossing each other in a tunnel was investigated using sliding mesh technology and a numerical algorithm developed and verified through a fullscale train test.
Journal ArticleDOI
Mathematical modeling and sensitive analysis of the train-induced unsteady airflow in subway tunnel
TL;DR: In this paper, a uniformly accelerated Bernoulli theoretical model is established firstly, which is validated by the experimental data and numerical simulations Secondly, a passing through model is built with the verified theoretical method and the influence of the key parameters on the ventilation rate are analyzed Thirdly, the grey correlation analysis is conducted to study each influencing factors, meanwhile, a general prediction formula on ventilation rate was proposed, which was applicable to the most subway tunnels in China.
References
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Journal ArticleDOI
Aerodynamics of high-speed railway train
TL;DR: In this article, the state of the art on the aerodynamic and aeroacoustic problems of high-speed railway train and highlights proper control strategies to alleviate undesirable aerodynamic problems.
Journal ArticleDOI
The flow around high speed trains
TL;DR: In this paper, the aerodynamic behavior of high speed trains is investigated for both still air conditions and cross-wind conditions, and the flow field is described for a number of flow regions such as around the nose of the train, along the side, roof and underbody of a train, and in the wake of train.
Journal ArticleDOI
Aerodynamics of high-speed trains
TL;DR: In this paper, the authors highlight the differences between the aerodynamics of high-speed trains and other types of transportation vehicles, including other vehicles, such as cars, buses, and trucks.
Journal ArticleDOI
Crosswind action on rail vehicles: wind tunnel experimental analyses
Marco Francesco Bocciolone,Federico Cheli,Roberto Corradi,Sara Muggiasca,Gisella Marita Tomasini +4 more
TL;DR: In this paper, the effects of the turbulence intensity and the train motion on the aerodynamic coefficients have been studied in a train scale model with three types of rail vehicles, in different configurations, in order to point out the most critical wind conditions with respect to running safety.
Journal ArticleDOI
Experimental and numerical analyses of train-induced unsteady tunnel flow in subway
J.Y. Kim,Kwang-Yong Kim +1 more
TL;DR: In this article, an experimental analysis of train-induced unsteady flow is conducted on a 1/20 scale model tunnel and the pressure and air velocity variations with time are presented.
Related Papers (5)
Experimental and numerical analyses of train-induced unsteady tunnel flow in subway
J.Y. Kim,Kwang-Yong Kim +1 more