Numerical study of the impact of windblown sand particles on a high-speed train
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- 作者：C. Paz ; cpaz@uvigo.es" class="auth_mail" title="E-mail the corresponding author ; E. Suá ; rez suarez@uvigo.es" class="auth_mail" title="E-mail the corresponding author ; C. Gil chgil@uvigo.es" class="auth_mail" title="E-mail the corresponding author ; M. Concheiro mconcheiro@uvigo.es" class="auth_mail" title="E-mail the corresponding author
- 关键词：High-speed train ; CFD ; Aerodynamics ; Windblown sand ; Impact ; Drag force
- 刊名：Journal of Wind Engineering and Industrial Aerodynamics
- 出版年：2015
- 出版时间：October 2015
- 年：2015
- 卷：145
- 期：Complete
- 页码：87-93
- 全文大小：2051 K
文摘
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A numerical approach to assess particle impacts on high-speed trains was developed.
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External routines extended the Discrete Phase Model of ANSYS Fluent.
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Different particle diameters, loads and coefficients of restitution were tested.
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The distribution of impacts in the leading vehicle was predicted.
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A logarithmic curve correlates drag force and particle size.