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滑移楔流体动力学及其表面滑移特性优化 被引量：1

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摘要 研究了具有滑移楔的滑块轴承的流体动压承载力.根据界面所受剪力的分布情况,优化固体表面滑移特性,表面滑移特性是几何位置的函数.提出了研究二维界面滑移问题的滑移本构方程的分段线性化方法,研究了有限长滑块轴承具有任意界面极限剪应力的二维界面滑移问题及其流体动力学效应.发现滑移楔的流体动力学效应要大于传统的几何收敛楔,甚至当几何间隙为平行间隙或发散间隙时,滑移楔仍然会产生很大的流体动压力.滑移楔可以产生的最大流体动压力是几何收敛楔能够产生的最大流体动压力的两倍以上,最大的达到2.5倍.界面滑移使得界面摩擦阻力减小.
作者 马国军 吴承伟 周平
机构地区 大连理工大学工程力学系工业装备结构分析国家重点实验室
出处 《中国科学（G辑）》 CSCD 2008年第1期67-76,共10页
基金 国家重大基础研究发展计划(编号:2006CB601205) 国家自然科学创新团队基金(批准号:10421002) 国家自然科学基金(批准号:10332010 10672035) 高等学校博士学科点专项科研基金(编号:20030141013)资助项目
关键词 边界滑移 滑移楔 界面极限剪应力 优化
分类号 O357 [理学—流体力学]
  • 相关文献

参考文献23

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二级参考文献15

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共引文献27

同被引文献18

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中国科学（G辑）
2008年 第1期

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