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 4 伴流场下轴向平面内部分测点噪声成分

Tab.4 Noise components of some probes in axial plane within wake flow

监测点 LpM /dB LpD /dB A0 13.64 140.33 A3 86.94 139.21 A6 101.76 134.75 A9 105.07 110.45