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

表 2 均匀流下轴向平面内部分典型测点噪声成分

Tab.2 Noise components of some typical probes in axial plane under open-water condition

监测点 LpM /dB LpD /dB A0 16.01 139.59 A3 87.03 138.43 A6 100.72 133.86 A9 105.33 106.73