针对一种非定常处理机匣,在轴流风扇实验台上开展偏流吹气扩稳实验研究.主要包括t改善风扇稳定裕度的稳态特性;影响失速先兆波产生及发展的动态分析.结果表明:非定常机匣处理能够在不同工作转速下对风扇稳定裕度有显著效果,效率没有明显改变.偏流吹气可以进一步改善风扇稳定裕度,但同时也会带来一定的效率损失.动态分析证实处理机匣没有阻止失速先兆波的出现.而是有效地抑制了其非线性发展.
参考文献
| [1] | Xiaodong Jing;Xiaofeng Sun .Experimental Investigation of Perforated Liner with Bias Flow[J].Journal of the Acoustical of America,1999,106(05):2436-2441. |
| [2] | Jing XD.;Sun XF. .Discrete vortex simulation on the acoustic nonlinearity of an orifice[J].AIAA journal,2000(9):1565-1572. |
| [3] | Jing XD.;Sun XF. .Effect of plate thickness on impedance of perforated plates with bias flow[J].AIAA journal,2000(9):1573-1578. |
| [4] | Jing XD.;Sun XF. .Sound-excited flow and acoustic nonlinearity at an orifice[J].Physics of fluids,2002(1):268-276. |
| [5] | XiaoFeng Sun .Three-Dimensional Compressible Flow Stability Theory of Rotatiug Stall.[BUAA Technical Report,BH-B4765][R].,1996. |
| [6] | Xiaofeng Sun.On the between the Inception of Rotating Stall and Casing Treatment[AIAA-96-2579][A].,1996 |
| [7] | 于巍巍,孙晓峰.跨音压气机/风扇旋转失速稳定性模型[J].航空动力学报,2005(06):1018-1027. |
| [8] | 于巍巍,王晓宇,孙晓峰.包含处理机匣影响的压气机旋转失速稳定性模型[J].航空动力学报,2005(05):873-881. |
| [9] | Xiaofeng Sun;Zifeng Yang;Xiaoyu Wang .Effect of a Blade Row on the Acoustic Treatment Design[J].Journal of Sound and Vibration,2007,302(02):287-312. |
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%