通过流动显示及静压测量,对不同冲角下、三种叶型弯角的环形压气机直、弯叶栅近壁面区域的流动分离及旋涡结构进行了实验研究.结果表明,近吸力面的气泡分离与转捩取决于叶栅型面静压分布;随叶栅负荷增大,流动分离形式由闭式分离逐渐向开式分离发展,流动分离的对称性逐渐减弱;减少涡系与涡系、涡系与附面层之间的相互作用及掺混可以有效拓宽正弯叶片的应用范围.
参考文献
| [1] | Dong Y;Gallimore S J;Hodson H P .Three-Dimensional Flow and Loss Reduction in Axial Compressor[J].Journal of Turbomachinery,Transactions of the ASME,1987,109(03):351-354. |
| [2] | Lakshminarayana B;Prpovski P .3-D Boundary Layer on a Compressor Rotor Blade at Peak Pressure Rise Coefficient[J].Journal of Turbomachinery,Transactions of the ASME,1987,109(01):91-98. |
| [3] | Shang E B;Wang Z Q;Su J X .The Experimental Investigations on the Compressor Cascades with Leaned and Curved Blade[ASME 93-GT-50][R].,1993. |
| [4] | Sasaki T;Breugelmans F A E .Comparison of Sweep and Dihedral Effects on Compressor Cascade Performance[J].Journal of Turbomachinery,Transactions of the ASME,1998,120:454-463. |
| [5] | 陈浮,陈绍文,王可立,谷君,王仲奇.大折转角弯曲扩压叶栅变冲角性能研究[J].工程热物理学报,2006(02):220-222. |
| [6] | 康顺;王仲奇 .拓扑方法在叶栅三元流动分析中的应用(Ⅱ)─表面摩擦力矢量场和截面流线矢量场图画的拓扑分析[J].应用数学和力学,1990,11(12):1049-1056. |
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%