DTMB 4119螺旋桨噪声特性的数值模拟

詹志文,张凌新,邓见,邵雪明

Numerical simulation of acoustic characteristics on DTMB 4119 propeller

Zhi-wen ZHAN,Ling-xin ZHANG,Jian DENG,Xue-ming SHAO

图 13 艇尾流场下桨叶4个A类测点的偶极子噪声声压级频谱图

Fig.13 Dipole noise sound pressure level spectra of four type A probes for blade in suboff wake flow