| 风琴管喷嘴喉部结构对射流流场流动结构影响的数值研究 |
| |
| 引用本文： | 汪志明 沈忠厚. 风琴管喷嘴喉部结构对射流流场流动结构影响的数值研究[J]. 水动力学研究与进展(A辑), 1995, 10(5): 474-478 |
| |
| 作者姓名： | 汪志明 沈忠厚 |
| |
| 作者单位： | 石油大学石油工程系 |
| |
| 摘 要： | 本文提出了一种采用间歇涡环模型述射流流场的大尺度流动结构特性，并依据边界元方法优化设计风琴管等自激振荡型喷管的内流结构曲面和其喉部结构的数值实验方法，计算结果表明内流过渡曲面为椭球面而出口形状为锥面的风琴管式喷嘴喷射出的圆形射流流场具有良好的大尺度涡环结构。
|
| 关 键 词： | 射流流场 流动结构 涡环 大尺度结构 气蚀 |
On Effect of Organ-pipe Nozzle Lip on Structure of Water Jet Flowfield |
| |
| Wang Zhi-ming,Shen Zhong-hou. On Effect of Organ-pipe Nozzle Lip on Structure of Water Jet Flowfield[J]. Chinese Journal of Hydrodynamics, 1995, 10(5): 474-478 |
| |
| Authors: | Wang Zhi-ming Shen Zhong-hou |
| |
| Abstract: | Numerical simulation of the axisymmetric jet flowfield structure is made with boundary element method by replacing the shear layer with discrete vortex rings and the nozzle boundary with vortex layer with some elementary flow,optimizing the nozzle configuration.The computation results show that jet emanating from the nozzle with elliptic contour and conic exit contour has a well-organized large scale vortex structure. |
| |
| Keywords: | jet flow field flow structure vortex ring large-scale structure nozzle |
| 本文献已被 CNKI 维普 等数据库收录！ |
