| 气体静压止推轴承静态性能的数值仿真与实验研究 |
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| 引用本文： | 吴定柱,陶继忠. 气体静压止推轴承静态性能的数值仿真与实验研究[J]. 润滑与密封, 2010, 35(3). DOI: 10.3969/j.issn.0254-0150.2010.03.012 |
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| 作者姓名： | 吴定柱 陶继忠 |
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| 作者单位： | 中国工程物理研究院机械制造工艺研究所,四川绵阳,621900 |
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| 基金项目： | 中国工程物理研究院重点发展基金项目 |
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| 摘 要： | 应用Fluent软件对小孔节流气体静压止推轴承进行了三维流场的模拟计算,分析了节流孔孔径、节流器工作面积、气源供气压力等因素对气体静压轴承性能的影响。结果表明:止推轴承的承载能力随着节流孔直径的增大而增大,在气膜间隙较小时,刚度随着节流孔孔径增大而减小,在气膜间隙较大时,刚度随着节流孔孔径的增大而增大;在保证加工精度的前提下,增大节流器工作面尺寸,以及在保证气源供气连续的前提下,增大气腔供气压力,都可以显著地改善止推轴承的静态性能。在自行研制的实验平台上进行气体静压实验,实验结果与数值模拟计算结果具有较好一致性,证明了将该数值计算方法的可行性。
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| 关 键 词： | 空气静压轴承 有限体积法 静态特性 |
Numerical Simulation and Experimental Research on Static Performance of Aerostatic Thrust Bearings |
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| Wu Dingzhu,Tao Jizhong. Numerical Simulation and Experimental Research on Static Performance of Aerostatic Thrust Bearings[J]. Lubrication Engineering, 2010, 35(3). DOI: 10.3969/j.issn.0254-0150.2010.03.012 |
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| Authors: | Wu Dingzhu Tao Jizhong |
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| Affiliation: | Wu Dingzhu Tao Jizhong(Institute of Mechanical Manufacturing Technology,China Academy of Engineering Physics,Mianyang Sichuan 621900,China) |
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| Abstract: | The numerical simulation of the three-dimensional flow field of aerostatic thrust bearing with orifice restrictor was simulated by Fluent software.The effect of the diameter of orifice restrictor,working area of orifice restrictor and supply air pressure on the static performance of aerostatic thrust bearings was analyzed. The results show that the carrying capacity of the aerostatic thrust bearings decreases with increasing the diameter of orifice restrictor; with small gas film clearance,the stiffness inc... |
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| Keywords: | aerostatic bearing finite volume method static performance |
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