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 3 不同湍流模型和壁面网格下的艇身总阻力对比

Tab.3 Comparison of suboff drag calculated by different turbulence models and grids

工况 Fd /N E /% 实验值 102.30 − DES $k {\text{-} } \omega ,\;$ y+=60 105.40 +3.03 RANS $k {\text{-} } \omega,\;$ y+=60 105.63 +3.26 RANS $k {\text{-} } \varepsilon,\;$ y+=60 105.57 +3.20