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论文:2018,Vol:36,Issue(3):516-521 |
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引用本文： |
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陈佳, 袁朝辉, 郭强. 带有矩形槽滑阀的数学模型分析[J]. 西北工业大学学报 |
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Chen Jia, Yuan Zhaohui, Guo Qiang. Mathematical Model of Spool Valve with Rectangular Grooves[J]. Northwestern polytechnical university |
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| 带有矩形槽滑阀的数学模型分析 |
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| 陈佳, 袁朝辉, 郭强 |
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| 西北工业大学 自动化学院, 陕西 西安 710072 |
| 摘要: |
| 航空、航天液压系统中滑阀的阀芯阀套间隙中的侧压力分布不均时，会出现液压卡紧现象，造成液压系统故障。阀芯上的均压槽可以有效地减弱间隙中分布不均的侧压力，防止出现液压卡紧。基于圆柱坐标系下的纳维-斯托克斯（N-S）方程，建立了带有矩形槽的阀芯阀套间隙侧压力分布的数学模型。为了验证数学模型的准确性，通过数值模拟进行对比，并修正了该数学模型。 |
| 关键词:
滑阀
均压槽
液压卡紧
纳维-斯托克斯方程
侧压力
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| Mathematical Model of Spool Valve with Rectangular Grooves |
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| Chen Jia, Yuan Zhaohui, Guo Qiang |
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| School of Automation, Northwestern Polytechnical University, Xi'an 710072, China |
| Abstract: |
| A spool valve of aerospace hydraulic breaks down because of uneven pressure distribution between sleeve and spool, which is called as hydraulic lock. The rectangular grooves on the spool surface can effectively weaken the lateral force, thereby preventing the hydraulic lock. So the mathematical model of spool valve with rectangular grooves is established according to the Navier-Stokes equations based on the cylindrical coordinate system. To verify the effectivity of the mathematical model, the numerical simulation is compared and used to modified the mathematical model. |
| Key words:
spool valve
grooves
hydraulic lock
Navier-Stokes equations
lateral force
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| 收稿日期: 2017-04-12
修回日期:
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| DOI: |
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Email： |
| 作者简介: 陈佳(1985-),西北工业大学博士研究生,主要从事液压传动与控制研究。
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| 作者相关文章 |
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| 陈佳 在本刊中的所有文章 |
| 袁朝辉 在本刊中的所有文章 |
| 郭强 在本刊中的所有文章 |
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