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 9 均匀流下桨叶轴向平面的单、偶极子总声压级指向性

Fig.9 Monopole and dipole total sound pressure level directivities for blade in axial plane under open-water condition