| 壁面粗糙度对空气静压系统微振动的影响研究 |
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| 引用本文： | 禹静,吴珂,李东升. 壁面粗糙度对空气静压系统微振动的影响研究[J]. 传感器与微系统, 2011, 30(5): 12-15 |
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| 作者姓名： | 禹静 吴珂 李东升 |
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| 作者单位： | 禹静,李东升,YU Jing,LI Dong-sheng(中国计量学院,计量测试工程学院,浙江,杭州,310018);吴珂,WU Ke(杭州明豪科技有限公司,浙江杭州,312115) |
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| 基金项目： | 浙江省自然科学基金重点资助项目，国家自然科学基金资助项目 |
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| 摘 要： | 主要针对壁面粗糙度引起气体静压导轨微振动进行了分析.讨论了壁面粗糙度对沿程阻力系数的影响,得到了沿程阻力系数与相对壁面粗糙度与雷诺数的关系.利用Fluent软件仿真了方形、半圆形、三角形三种典型粗糙壁面模型的流场分布情况,得到了各种模型下的速度与压力分布图.仿真结果显示壁面粗糙度会引发流场内的涡流,从而引起气体静压导轨...
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| 关 键 词： | 气体静压系统 壁面粗糙度 沿程阻力 微振动 |
Research on micro-vibration of aerostatic bearing system caused by surface roughness |
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| YU Jing,WU Ke,LI Dong-sheng. Research on micro-vibration of aerostatic bearing system caused by surface roughness[J]. Transducer and Microsystem Technology, 2011, 30(5): 12-15 |
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| Authors: | YU Jing WU Ke LI Dong-sheng |
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| Affiliation: | YU Jing1,WU Ke2,LI Dong-sheng1(1.College of Metrological Technology & Engineering,China Jiliang University,Hangzhou 310018,China,2.Hangzhou Minghao Science & Technology Co.Ltd,Hangzhou 312115,China) |
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| Abstract: | Micro-vibration of aerostatic bearing caused by surface roughness is analyzed.The frictional resistance coefficient influenced by surface roughness is discussed.The relation between the frictional resistance coefficient with relative surface roughness and Reynolds number is obtained.Simulation the distribution of the flow with three typical models of surface roughness such as square,semi-circular and triangular,the diagram of speed and pressure distribution of three models.Simulation shows that surface roug... |
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| Keywords: | aerostatic bearing system surface roughness frictional resistance micro-vibration |
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