在低速风洞上对某型超临界汽轮机高压级动叶栅进行了静态试验.详细测量总压损失由栅前至栅后的发生与发展以及静压系数在不同叶高沿叶型的分布.试验结果表明,具有后部加载叶型的正弯动叶片栅气动特性优良,叶型损失与二次流损失较小,出口气动参数沿叶高分布均匀,并且具有良好的冲角适应性.
参考文献
[1] | Marchal P;Sieverding C H.Secondary Flows within Turbomachinery Blading[A].,1977:79-87. |
[2] | Andreas P W;Leonhard F .The Influence of Load Distribution on Secondary Flow in Straight Turbine Cascades[ASME Paper 93-GT-86][R].,1993. |
[3] | Hesketh J A;Tntchart H;Aubry P.Modernisation of Steam Turbines for Improved Performance[A].,1994:1-11. |
[4] | Weiss P;Fotiner L .The Influence of Load Distribution on Secondary Flow in Straight Turbine Cascades[J].Journal of Turbomachinery,Transactions of the ASME,1995,117:348-355. |
[5] | Singh G;Walker P J;Haller B R .Development of Three Dimensional Stage Viscous Time Marching Method for Optimisation of Short Height Stages[J].VDI Berichte Nr,1995,1185:157-181. |
[6] | 周逊,韩万金.后加载叶型叶栅的三维压力场及其对损失发展的影响[J].推进技术,2003(06):537-542. |
[7] | Scarlin P B;Henry C.High Efficiency Steam Power Plant[A].Sanghai,1995:700-711. |
[8] | Langston L S .Cross flows in a Turbine Cascade Passage[J].ASME Journal of Engineering for Power,1980,102(04):866-874. |
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%