| 离心叶轮内三维分离流态的拓扑分析 |
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| 引用本文： | 李意民.离心叶轮内三维分离流态的拓扑分析[J].工程热物理学报,2000,21(3):321-323. |
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| 作者姓名： | 李意民 |
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| 作者单位： | 中国矿业大学机电学院动力系,江苏,徐州,221008 |
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| 基金项目： | 江苏省社会发展科技计划资助!BS96317 |
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| 摘 要： | 本文主要是用拓扑分析的方法，根据实验给出的流场信息，来确定流场结构的性质和研究这些性质随流动参数变化的规律，从而得到对流场特性的定性认识。这里着重讨论了离心叶轮内表面分离流态，指出叶片吸力面和压力面不同的分离形式，分析了叶片表面奇点分布规律，建立了叶道内三维流动分离模型。
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| 关 键 词： | 离心叶轮 分离流态 拓扑分析 |
| 文章编号： | 0253-231x(2000)03-0321-03 |
| 修稿时间： | 1999-05-28 |
TOPOLOGY ANALYSIS OF THE 3-D SEPARATION FLOW STATE IN CENTRIFUGAL IMPELLER |
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| LI Yimin.TOPOLOGY ANALYSIS OF THE 3-D SEPARATION FLOW STATE IN CENTRIFUGAL IMPELLER[J].Journal of Engineering Thermophysics,2000,21(3):321-323. |
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| Authors: | LI Yimin |
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| Institution: | LI Yimin
(China University of Mining & Technology,Xuzhou 221008,China) |
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| Abstract: | In this paper, the properties of flow field structure and its varying law is determined using topological analysis and flow field information of experiments, the qualitative knowledge for the properties of the flow field is therefor got. The separation flow state on the surface of blades in the centrifugal impeller was emphasisly discussed, the different separation form on concave side and pressure side of blades was discovered, the distribution law of the singular point on the surface of blades was analyzed and the 3-D flow separation model in stream route of blades was established. |
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| Keywords: | centrifugal impeller separation flow state topology analysis |
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