【摘要】 本文叙述了跨、超声速风洞的噪声危害、来源及降低噪声的方法,着重叙述风洞消声器的消声原理与结构。更多还原

【Abstract】 The paper describes the hazard and the source of the noise from wind tunnel,the methods for eliminating the noise from the transonic-supersonic wind tunnel,with emphasis on introducing the principle and thestructure of the noise eliminator of the wind tunnel.更多还原