用时间推进法数值求解相对圆柱坐标系下的雷诺平均N-S方程,模拟高速离心叶轮内部的三维粘性流场.计算是在设计转速9个不同的流动工况下进行的.与实验结果比较了三个不同流量下的轮缘周向平均静压,对典型通道位置截面的子午速度分布与实验进行了定量比较,最后得到了转子在设计转速下的压比和等熵效率曲线.研究结果表明,本文发展的数值方法可较好的预测离心压气机叶轮的性能曲线.
参考文献
| [1] | M D Hathaway;R M Chriss;J R Wood;A J Strazisar .Experimental and Computational Investigation of the NASA Low-Speed Centrifugal Compressor Flow Field[J].Journal of Turbomachinery,Transactions of the ASME,1993,115:527-542. |
| [2] | R. M. Chriss;M. D. Hathaway;J. R. Wood .Experimental and computational results from the NASA Lewis low-speed centrifugal impeller at design and part-flow conditions[J].Journal of turbomachinery,1996(1):55-65. |
| [3] | 席光;王尚锦 .半开式离心压气机叶轮三维湍流场数值分析[J].西安交通大学学报,1997,31(05):91-96. |
| [4] | Krain H;Hoffman W .Verification of an Impeller Design by Laser Measurements and 3D-Viscous Flow Calculations[R].ASME Paper,1989. |
| [5] | H Krain .Swirling Impeller Flow[J].Journal of Turbomachinery,Transactions of the ASME,1988,110:122-128. |
| [6] | Hah C;Krain H .Second Flows and Vertex Motion in a High-Efficiency Backswept Impeller at Design and OffDesign Condition[J].Journal of Turbomachinery,Transactions of the ASME,1990,112(01):7-13. |
| [7] | 席光.关于Krain实验叶轮几何型线及其流道二次流旋涡结构的讨论[J].工程热物理学报,2000(04):440-442. |
| [8] | W N Dawes .A Numerical Analysis of the Three- Dimensional Viscous Flow in a Transonic Compressor Rotor and Comparison with Experiment[J].Journal of Turbomachinery,Transactions of the ASME,1987,109:83-109. |
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%