| 水压锥阀阀口气穴数值模拟与可视化研究 |
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| 引用本文： | 杨和梅,陈云富.水压锥阀阀口气穴数值模拟与可视化研究[J].科学技术与工程,2010,10(8). |
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| 作者姓名： | 杨和梅 陈云富 |
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| 作者单位： | 南京农业大学工学院,南京,210031 |
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| 摘 要： | 气穴是研制水压阀存在的主要难题。认识阀口形状与气穴的关系,避免产生气穴现象极其重要。应用有限体积数值计算方法针对阀座倒角长度变化对水压阀阀道内流场的影响进行数值模拟和可视化研究,得到了一些有益的结论:倒角长度的改变对阀口间隙以及阀芯锥面与柱面相接的地方的负压会产生比较大的影响。
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| 关 键 词： | 水压阀 气穴 阀口 |
| 收稿时间： | 2009/12/10 0:00:00 |
| 修稿时间： | 1/6/2010 6:35:11 PM |
Cavitations Simulation and Visualization Research of Water Hydraulic Poppet Valve |
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| yanghemei and chenyunfu.Cavitations Simulation and Visualization Research of Water Hydraulic Poppet Valve[J].Science Technology and Engineering,2010,10(8). |
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| Authors: | yanghemei and chenyunfu |
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| Institution: | College of Engineering/a>;Nanjing Agricultural University/a>;Nanjing 210031/a>;P.R.China |
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| Abstract: | Cavitations is the major problems of designing water hydraulic valve, understanding the relationship between shape of valve and cavitations, avoiding cavitations is extremely important,The numerical simulation and visualization research of flow field is carried out to research relation between the flow field of poppet valve and the length of valve seat by finite volume numerical method.It is some useful conclusions: the negative pressure of the connecting place of cone and cylinder will produce relatively l... |
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| Keywords: | water hydraulic valve cavitations valve port |
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