3316 台車周りの空力特性改善に関する研究(OS2 交通・物流システムの高速化と利便性の向上II,一般講演)

概要

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Turbulent flow is generated in the flow of the air between the vehicle and ground if Shinkansen runs at high speed, and it causes the snow accretion to the bogie in the snowfall section. Then, it was tried to decrease the snow accretion of the bogie by improving the aerodynamic characteristic around the bogie, and controlling the disorder of the flow. We analyzed the aerodynamic characteristic around the bogie by using the fluid numerical value calculation of three dimensions and the wind tunnel test and clarified the snow accretion mechanism to the bogie. As a result, the expectation that the snow accretion of the bogie was able to be decreased was obtained because the shape of the underfloor equipment cover was changed, and the effect was verified.
社団法人日本機械学会の論文
2005-12-06