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Journal of Applied Fluid Mechanics، جلد ۱۳، شماره ۵، صفحات ۱۴۴۳-۱۴۵۲
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عنوان انگلیسی Numerical Simulation of Aerodynamics of Train with Broken Windows
چکیده انگلیسی مقاله Window glass of the train was broken several times when running in the strong wind/sandy areas, causing safety risks to passengers and serious problems to the operation of the train. The aerodynamic performances of the train with broken windows in strong wind condition are uncertain. These problems remain the challenging research issues. To study these issues, the influence of the broken windows on the aerodynamic performances of the train model was analyzed using three-dimensional numerical simulation methods. The results showed that the aerodynamic forces on the second passenger car first decreased and then increased within a very short period when the two middle windows on the windward side had been broken. However, the side force and the overturning moment increased sharply when the wind angle was increasing. In addition, the number of broken window glass has significant effects on train aerodynamics when running in cross wind area, and the absolute value of the side force and of the overturning moment increased significantly with the increase in the number of broken windows on windward side.
کلیدواژه‌های انگلیسی مقاله Numerical simulation, Train window glass, Strong wind, Side force, Overturning moment
نویسندگان مقاله M. Yang |
Key Laboratory of Traffic Safety on Track of Ministry of Education, Central South University, Changsha, Hunan 410075, China

M. Yang |
Key Laboratory of Traffic Safety on Track of Ministry of Education, Central South University, Changsha, Hunan 410075, China

L. Zhang |
Key Laboratory of Traffic Safety on Track of Ministry of Education, Central South University, Changsha, Hunan 410075, China

W. Huang |
Key Laboratory of Traffic Safety on Track of Ministry of Education, Central South University, Changsha, Hunan 410075, China

W. Huang |
Key Laboratory of Traffic Safety on Track of Ministry of Education, Central South University, Changsha, Hunan 410075, China

نشانی اینترنتی https://www.jafmonline.net/article_1019_e2a83bfd0d5e124b2cc4b7838e74e5f6.pdf
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