Ming-Ming Ge, Sheng-Ye Wang, Guang-Xue Wang, Xiao-Gang Deng. Aeroacoustic simulation of the high-lift airfoil using hybrid reynolds averaged Navier-Stokes/high-order implicit large eddy simulation method [J]. Acta Physica Sinica, 2019, 68(20): 204702-1
- Acta Physica Sinica
- Vol. 68, Issue 20, 204702-1 (2019)
Fig. 1. Mean wall pressure coefficient distribution of the rod圆柱表面平均压力系数分布
Fig. 2. Distribution of streamlines: (a) HRILES; (b) SST-DDES流线分布 (a) HRILES; (b) SST-DDES
Fig. 3. Farfield acoustic result of the rod: PSD at (
).
远场
,
观测点声压级功率谱密度
Fig. 4. Mesh of 30P30N airfoil30P30N计算网格
Fig. 5. The isosurfaces of the Q -criterion (
): (a) IDDES; (b) HRILES
等值面 (a) IDDES; (b) HRILES
Fig. 6. Contours of meanmean spanwise vorticity: (a) IDDES; (b) HRILES平均展向涡量云图 (a) IDDES; (b) HRILES
Fig. 7. Distribution of streamlines: (a) Slat; (b) flap平均流线分布 (a) 缝翼; (b) 襟翼
Fig. 8. Distribution of wall pressure coefficient壁面压力系数分布
Fig. 9. RMS of the fluctuating pressure coefficient on the surface of the slat缝翼表面压力系数脉动均方根分布
Fig. 10. Mean velocity magnitudes along the seven lines across各个站位的平均速度分布
Fig. 11. Mean spanwise vorticity along the seven lines across各个站位的平均展向涡量分布
Fig. 12. Mean turbulent kinetic energy along the seven lines across各个站位的平均湍动能分布
Fig. 13. Frequency spectra of pressure fluctuations: (a)
; (b)
脉动压力功率谱密度分布 (a)
; (b)
Fig. 14. Contours of pressure fluctuation瞬态脉动压力云图
Fig. 15. Power spectra density of sound pressure level at
观测点声压级功率谱
Fig. 16. Directivity of SPL at
, 远场声压级指向图
Fig. 17. Directivity of components' SPL at
: (a) IDDES; (b) HRILES
各部件远场(
)声压级指向对比图 (a) IDDES; (b) HRILES
|
Table 1.
Statistical results of aerodynamic coefficients for the single cylinder
单圆柱算例流动参数统计结果
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