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- W2582640653 abstract "The nonlinear acoustics solver(NLAS) approach is adopted to study the aerodynamic noise in the near field of the CRH3 high speed train.The method validation is conducted through a two-dimensional backward step case,which shows excellent agreement with experimental results.With the help of acoustic surface around the noise sources,far field aerodynamic noise study is carried out by solving the Ffowcs-Williams/Hawking(FW-H) equation.The aerodynamic noise study on CRH3 high speed trains with a speed of 300 km/h is performed.The feature of the flow field dominates the generation of aerodynamic noise,therefore the flow field obtained by the RANS solution is firstly analyzed,with the head,the rear,and the inter-coach spacing included.By using of probes placed in specific regions on the surface of the train,the contribution of different parts of the train for aerodynamic noise is discussed.Meanwhile,the far field feature of aerodynamic noise is also studied by placing probes in the far field." @default.
- W2582640653 created "2017-02-03" @default.
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- W2582640653 date "2012-01-01" @default.
- W2582640653 modified "2023-09-23" @default.
- W2582640653 title "Numerical Simulation of Aerodynamic Noise Generated by CRH3 High Speed Trains" @default.
- W2582640653 hasPublicationYear "2012" @default.
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