| 流体机械倾斜流面叶栅的变换理论及试验 |
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| 引用本文： | 区颖达,吴克启,蔡兆林.流体机械倾斜流面叶栅的变换理论及试验[J].华中科技大学学报(自然科学版),1992(6). |
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| 作者姓名： | 区颖达 吴克启 蔡兆林 |
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| 作者单位： | 华中理工大学动力工程系
(区颖达，吴克启)，华中理工大学动力工程系(蔡兆林) |
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| 摘 要： | 本文给出了“假想等价速度三角形”、“等价速度三角形”和“当量速度三角形” 变换理论,从而解决了如何将平面叶栅吹风试验资料运用到倾斜流面叶栅的问题.为此类风机的设计提供了有效的设计方法.试验表明,文中所提供的变换方法是成功的.
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| 关 键 词： | 流体机械 假想等价变换 当量变换 倾斜流面 |
A Transformation Theory and Test for the Inclined Stream Surface Cascade of Fluid Machines |
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| Ou Yingda Wu Keqi Cai Zhaolin.A Transformation Theory and Test for the Inclined Stream Surface Cascade of Fluid Machines[J].JOURNAL OF HUAZHONG UNIVERSITY OF SCIENCE AND TECHNOLOGY.NATURE SCIENCE,1992(6). |
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| Authors: | Ou Yingda Wu Keqi Cai Zhaolin |
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| Institution: | Ou Yingda Wu Keqi Cai Zhaolin |
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| Abstract: | There is a fairly rich and complete collection of blowing test data on the plate cascade. However, for fluid machines such as diagonal-flow fans and meridionally accelerated axial-flow fans, the data cannot be directly used because of their inclined stream surface. A transformation theory of the fictitious equal-in-value velocity triangle, the equal-in-value velocity triangle and that of the equivalent velocity triangle are proposed to make it possible to use the data for the inclined stream surface cascade. Mine ventilators and boiler fans have been designed using the transformation theory and put into operation after test. Results show that the theory proposed is successful. |
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| Keywords: | fluid machines fictitious equal-in-value transformation equivalent transformation inclined stream surface |
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