本文采用数值方法对叶轮机基元非定常流和排间匹配进行深入研究.结果表明流动非定常性产生额外损失,滞回现象存在于叶轮机中.而考虑基元非定常流动的叶型设计和排间缘线匹配技术将是未来叶轮机非定常气动设计的核心.
参考文献
[1] | Huber F W;Johnson P D;Sharma O P et al.Performance Improvement Through Indexing of Turbine Airfoils: Part I-Experimental Investigation[Z].ASME 95-GT-27,1995. |
[2] | Halstead D E;Wisler D C;Okiishi T H.Boundary Layer Development in Axial Compressors and Turbines Part 1of 4:Composite Picture[M].ASME 95-GT-461,1995 |
[3] | Liu J S;Sockol P M .Unsteady Euler Cascade Analysis[R].AIAA 89-0322,1989. |
[4] | Giles M.An Approach for Multi-Stage Calculations Incorporating Unsteadiness[M].ASME 92-GT-282,1992 |
[5] | HeL;Chen T et al.Analysis of Rotor-Rotor and Stator-Stator Interferences in Multi-Stage Turboma-chines[Z].ASME GT-2002-30355,2002. |
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%