PROBLEM TO BE SOLVED: To provide a railway vehicle structure which reduces aerodynamic noise of low frequency generated in a truck storage space formed in a bottom of the vehicle to store a truck.SOLUTION: A railway vehicle structure which is able to reduce aerodynamic noise of low frequency that is generated in a truck storage space 3 formed in a bottom of the vehicle 1 to store a truck 2, consists of curve surfaces 4 formed at the ends of the truck storage space 3 and the curve surfaces 4 are formed to be surfaces arc-shaped and convex downward continuously from the top to the bottom of the truck storage space 3.SELECTED DRAWING: Figure 2
【課題】台車を格納するために車両の底部に形成された台車格納用空間において発生する低周波の空力音を低減することができる、鉄道車両空力音の低減構造を提供する。【解決手段】台車2を格納するために車両1の底部に形成された台車格納用空間3において発生する低周波の空力音を低減することができる、鉄道車両空力音の低減構造において、台車格納用空間3の端部に形成された湾曲面4からなり、湾曲面4は、台車格納用空間3の頂部から底部に亘って連続的に下に凸な弧状の曲面に形成されている。【選択図】図2
RAILWAY VEHICLE STRUCTURE TO REDUCE AERODYNAMIC NOISE
鉄道車両空力音の低減構造
2018-08-09
Patent
Electronic Resource
Japanese
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