| 二维定常亚音速无旋气流绕物体的流动 |
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| 引用本文： | 吴寿荣.二维定常亚音速无旋气流绕物体的流动[J].空气动力学学报,1988(2). |
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| 作者姓名： | 吴寿荣 |
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| 作者单位： | 中国科学技术大学 |
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| 摘 要： | 本文采用小扰动法给出了定常亚音速无旋气流绕物体流动的解析解,同时也给出了一个将单位圆域保角映射成一个任意封闭翼型的简单计算公式。此外还导出了压强系数的新的近似表达式。在流过鼓包的流动问题上,它与由Kaplan提出的精确解析结果相比,二者极为符合。
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| 关 键 词： | 亚音速流 二维流动 小扰动理论 势流 保角映射 |
STEADY IRROTATIONAL SUBSONIC FLOW AROUND A BODY IN TWO-DIMENSIONS |
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| Wu Shourong.STEADY IRROTATIONAL SUBSONIC FLOW AROUND A BODY IN TWO-DIMENSIONS[J].Acta Aerodynamica Sinica,1988(2). |
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| Authors: | Wu Shourong |
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| Institution: | University of Science and Technology of China |
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| Abstract: | This paper presents an analytic solution to the steady potential subsonic flow around a body in two-dimensions using a method of small perturbation.Meanwhile,it gives a simple formula for calculating the conformal transformation changes a circle of unit radius into an arbitrary profile which is closed.In addition,the author present a new formula of the pressure coefficient.Compared with the exact analytical result proposed by Kaplan,the agreement between the formula and the analytical results for flow over a bump is very good. |
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| Keywords: | subsonic flow two-dimensional flow small perturbation theory potential flow conformal transformation |
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