| 三角翼大攻角绕流数值模拟研究 |
| |
| 引用本文： | 白鹏,周伟江,汪翼云.三角翼大攻角绕流数值模拟研究[J].航空学报,1999,20(3):254-257. |
| |
| 作者姓名： | 白鹏 周伟江 汪翼云 |
| |
| 作者单位： | 北京空气动力研究所 |
| |
| 摘 要： | 采用Harten-Yee的二阶精度隐式TVD格式对N-S方程进行数值模拟，研究了后掠角为65°和70°的三角翼绕流的流场特性。计算结果表明：TVD格式中限制器函数的选取对于三角翼绕流结构的计算结果具有较重要的影响。结合张涵信的旋涡定性分析理论对旋涡的发展过程进行研究，此外，还对二次涡破裂现象和网格分布影响等问题进行了探讨。
|
| 关 键 词： | 三角翼 分离流 数值方法 极限环 |
| 修稿时间： | 1998-05-19 |
NUMERICAL SIMULATION OF THE FLOWFIELD OVER DELTA WING AT HIGH ANGLE OF ATTACK |
| |
| BAI Peng,ZHOU Wei jiang,WANG Yi yun.NUMERICAL SIMULATION OF THE FLOWFIELD OVER DELTA WING AT HIGH ANGLE OF ATTACK[J].Acta Aeronautica et Astronautica Sinica,1999,20(3):254-257. |
| |
| Authors: | BAI Peng ZHOU Wei jiang WANG Yi yun |
| |
| Institution: | Beijing Institute of Aerodynamics, Beijing 100074, China |
| |
| Abstract: | The flow over delta wing with 65° and 70° swept at high angle of attack is investigated by solving the three dimensional, compressible Navier Stokes equations utilizing the second order upwind TVD algorithm(Harten Yee).The calculated results indicate that the choice of the limiter function in TVD scheme has an important influence on the numerical simulation which is carried out on the delta wing flow structure. The development of vortex is studied with ZHANG Han xin's vortex analysis theory. In addition, the second vortex breakdown performance and the grid influence are discussed in this article. |
| |
| Keywords: | delta wing separation flow numerical method limit cycle |
| 本文献已被 CNKI 万方数据 等数据库收录！ |
| 点击此处可从《航空学报》浏览原始摘要信息 |
| 点击此处可从《航空学报》下载免费的PDF全文 |
