期刊
IEEE TRANSACTIONS ON MAGNETICS
卷 43, 期 6, 页码 2244-2246出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TMAG.2007.893640
关键词
air bearing; head-disk interface; Langmuir slip model; lattice Boltzmann method
The lattice Boltzmann method (LBM) is utilized to simulate the nanoscale How physics of air bearings in the head-disk interface. In the high Knudsen number flow analysis of air bearings, the slip boundary model is very important to guarantee the accuracy of solution. In this paper, the Langmuir slip model for the rarefied gas flow was incorporated and its feasibility and accuracy was examined in nanoscale flow simulations. It was shown that our LBM can solve the fluid flow of air bearing with high efficiency due to its complex geometry handling capability and high accuracy comparable to the Boltzmann transport equation in the slip flow regime. The LBM model developed in this paper could serve as a powerful tool for the design of advanced air-bearing systems.
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