正弦波粗糙度對織構(gòu)表面動壓潤滑的影響
發(fā)布時間:2018-01-11 13:15
本文關(guān)鍵詞:正弦波粗糙度對織構(gòu)表面動壓潤滑的影響 出處:《潤滑與密封》2017年08期 論文類型:期刊論文
更多相關(guān)文章: 表面織構(gòu) 正弦波粗糙度 動壓潤滑性能
【摘要】:為研究動壓潤滑狀態(tài)下粗糙度對織構(gòu)的影響,建立正弦波粗糙度對織構(gòu)化表面影響的動壓潤滑理論模型,并采用有限差分法對模型進行求解,分析正弦波粗糙度幅值、波長和分布方式對織構(gòu)滑移表面油膜壓力分布、承載力和摩擦因數(shù)的影響。數(shù)值計算結(jié)果表明:垂直分布粗糙度對表面綜合性能的提高優(yōu)于平行分布粗糙度,有利于提高表面的承載能力及降低摩擦因數(shù);粗糙度波長及幅值對動壓性能的影響則與織構(gòu)深度和粗糙度的分布方式有很大關(guān)系。
[Abstract]:In order to study the influence of roughness on texture under hydrodynamic lubrication, a theoretical model of dynamic pressure lubrication with the influence of sinusoidal roughness on textured surface was established, and the finite difference method was used to solve the model. The distribution of oil film pressure on texture slip surface is analyzed by sine wave roughness amplitude, wavelength and distribution mode. The numerical results show that the vertical distribution roughness is better than the parallel distribution roughness in improving the overall performance of the surface, which is beneficial to increase the bearing capacity of the surface and reduce the friction coefficient. The influence of roughness wavelength and amplitude on the dynamic pressure performance is related to the distribution of texture depth and roughness.
【作者單位】: 西南石油大學(xué)機電工程學(xué)院;
【基金】:國家自然科學(xué)基金項目(51505397)
【分類號】:TH117
【正文快照】: )j縥縥縥縥,
本文編號:1409668
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