2017•DEStech Transactions on Engineering and Technology ResearchOpen access

Research on the Influence of Strong Crosswind on Aerodynamic Characteristics and Operation Safety of EMUs

Aihua Li, Xiaohui Xiong

Abstract

In this paper, the fluid calculation software CFD and the dynamic model software SIMPACK are used to study the influence of strong crosswind on the aerodynamic pressure, aerodynamic load and operation safety of EMUs on different road conditions. The influence rule of strong crosswind on the aerodynamic pressure and aerodynamic load of the train under different road conditions was obtained. Then the relationship between aerodynamic load and yaw angle and the critical wind speed curve of EMUs under different running conditions were obtained.

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Key concepts: Crosswind, Aerodynamics, Automotive engineering, Aerospace engineering, Computational fluid dynamics, Engineering, Aerodynamic force, Environmental science