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首页> 外文会议>American Society of Mechanical Engineers(ASME)/Society of Tribologists and Lubrication Engineers(STLE) International Joint Tribology Conference; 20071022-24; San Diego,CA(US) >ANALYSIS OF SURFACE TEXTURED AIR BEARING SLIDERS WITH RAREFACTION EFFECTS
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ANALYSIS OF SURFACE TEXTURED AIR BEARING SLIDERS WITH RAREFACTION EFFECTS

机译：具有反射效应的表面纹理空气滑动器的分析

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摘要

A numerical model is developed to study the effect of texture on air bearing sliders at large Knudsen numbers. The effect of texture location, texture size, and density on the pressure generation is studied. First, a textured plane slider parallel to the disk surface is investigated and the texture parameters are determined that result in optimum pressure generation. Then, a plane inclined slider is studied using optimum texture parameters found in the parallel slider case. Thereafter, the effect of texture on the steady state flying characteristics of an actual magnetic recording slider is investigated. Finally, the flying height modulation, pitch and roll motion of a textured slider (pico and femto form factors) are determined numerically by exciting the slider using a step on the disk. Comparison of the results for textured and untextured sliders is made. It is found that textured sliders show better dynamic performance compared to the untextured sliders in terms of stiffness and damping.
机译：开发了一个数值模型来研究在大克努森数下纹理对空气轴承滑块的影响。研究了纹理位置，纹理大小和密度对压力生成的影响。首先，研究平行于磁盘表面的纹理平面滑块，并确定导致最佳压力生成的纹理参数。然后，使用在平行滑块情况下找到的最佳纹理参数研究平面倾斜滑块。此后，研究纹理对实际磁记录滑块的稳态飞行特性的影响。最后，通过使用磁盘上的台阶来激励滑块，以数值方式确定带纹理的滑块的飞行高度调制，俯仰和横滚运动（微微和毫微微形状因数）。比较带纹理的滑块和无纹理的滑块的结果。已发现，与未纹理化的滑块相比，纹理化的滑块在刚性和阻尼方面显示出更好的动态性能。

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