电动汽车充电桩的气动噪声分析和优化

潘琦,江丙云,陈云

Aerodynamic noise analysis and optimization for charging pile of electric vehicle

Qi PAN,Bingyun JIANG,Yun CHEN

图 3 风扇远场1 m测点的A计权声压级频谱图

Fig.3 Spectrogram of fan A-weighted sound pressure level at 1 m point