气动力作用对弓网受流影响的研究分析

Influence of the Aerodynamic Forces on the Current-Collection System between Pantograph and Overhead Line

阐述弓网受流与气动力学的关系,在分析受电弓气动力模型的基础上,结合实际线路运行试验和风洞试验数据研究气动力作用对弓网受流的影响。结果表明列车高速运行时,受电弓结构特性和运行方向对气动力有影响,调整受电弓气动力特性能有效改善弓网受流性能。

The paper explains the relationship between pantograph-centenary system and aerodynamic,analyzes pantograph aerodynamic model,researches the influence of the aerodynamic forces on the pantograph-catenary system for high-speed trains based on data of running test and wind tunnel test.Results show that the pantograph structure characteristic and direction of air dynamic force have significant impact on aerodynamic feature,and structure optimization design can effectively improve the performance of pantograph-catenary current collection.