A new method for calculating the static performance of hydrostatic journal bearing

A new method for calculating the static performance of hydrostatic journal bearing
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静压轴颈轴承静态性能计算的新方法

DOI:
10.1016/j.triboint.2014.04.019
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发表时间:
2014-09
影响因子:
6.2
通讯作者:
Li Shiyi
Li Shiyi
中科院分区:
工程技术1区
文献类型:
--
作者:
Liang Peng;Lu Changhou;Pan Wei;Li Shiyi

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提出了一种新的计算静压滑动轴承静力性能的解析方法。通过对流动连续性方程的分析,利用高斯-勒让德积分公式推导出隐缝压力和流量的解析表达式。为研究新方法的计算精度和适用范围,采用新方法、旧解析法和有限差分法计算了不同偏心比和油隐包角条件下四孔毛细补偿静压轴承的隐窝压力和流量。结果表明,该分析方法具有简单、计算精度高的优点。
A new analytical method is proposed to calculate the static performance of hydrostatic journal bearing. Analytical expressions of recess pressure and flow are deduced through analyzing flow continuity equation and utilizing Gauss–Legendre integral formula. To study the computational accuracy and the application range of the new method, recess pressure and flow of a four-pocket capillary compensated hydrostatic bearing under different eccentricity ratios and wrap angles of oil recess are calculated using three methods (the new method, the old analytical method and the finite difference method). The results indicate that new analytical method has the advantage of simplicity and high computational accuracy.
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