| 涡旋管砂尘分离效率计算方法 |
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| 引用本文： | 王先炜,孙中海.涡旋管砂尘分离效率计算方法[J].直升机技术,2008(1):20-23. |
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| 作者姓名： | 王先炜 孙中海 |
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| 作者单位： | 中国直升机设计研究所,景德镇,333001 |
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| 摘 要： | 本文介绍了直升机发动机进气防砂装置核心元件-涡旋管的砂尘分离效率计算方法.在柱坐标系中推导出了砂尘在涡旋管中运动的三维动力学方程,并通过数值计算方法,成功地解决了砂尘在涡旋管中运动轨迹的求解问题,得出了涡旋管砂尘分离效率计算方法和计算结果,试验数据表明,该计算方法是可行的.
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| 关 键 词： | 涡旋管 砂尘 分离效率 |
A Method of Computing Vortex Tube's Dust Separation Efficiency |
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| Authors: | WANG Xian-wei SUN Zhong-hai |
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| Institution: | WANG Xian-wei,SUN Zhong-hai(China Helicopter Research , Development Institute,Jingdezhen,333001) |
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| Abstract: | This paper mostly introduces a method for computing dust separation efficiency of the vortex tube in the engine air particle separator of helicopter.Three dimensional dynamic equation of dust particle in vortex tube is educed in column coordinates,Solving problem of particle trajectory computation through numerical calculation method,Educing a method of computing vortex tube's dust separation efficiency,Giving computational data,The test data shows that the method is feasible. |
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| Keywords: | vortex tube dust separation efficiency |
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