本文应用已经过验证的有限长管道声学模型进行声衬参数的优化设计,研究了固定工况下,优化半径、声衬长度和声衬位置对阻抗优化参数的影响,其中声衬长度和声衬位置对阻抗优化参数的影响和应用无限长管道声学模型进行优化设计时的影响明显不同.本文讨论得到的结论对声衬参数优化设计有重要的指导价值.
参考文献
[1] | Zorumski W E .Acoustics Theory of Axisymmetric Multisectional Ducts[NASA TR R-419][R].,1974. |
[2] | Joshi M C;Kraft R E .Turbofan Aft Duct Suppressor Study-Program Listing and User's Guide[NASA CR-175067][R].,1983. |
[3] | M. H. Dunn;J. Tweed;F. Farassat .The application of a boundary integral equation method to the prediction of ducted fan engine noise[J].Journal of Sound and Vibration,1999(5):1019-1048. |
[4] | Dunn M H .TBIEM3D-A Computer Program for Predicting Ducted Fan Engine Noise[NASA CR-97-206232][R].,1997. |
[5] | Dunn M H;Farassat F .Liner Optimization Studies Using the Ducted Fan Noise Prediction Code TBIEM3D[AIAA-1998-2310][R].,1998. |
[6] | Yang B;Wang T Q .An Approach to Predict Ducted Fan Noise by Boundary Integral Equation Method[AIAA-2005-3068][R].,2005. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分:
-
10%
-
20%
-
30%
-
40%
-
50%