A numerical model for the simulation of slider vibrations in helium-air gas mixtures has been developed. The physical properties of the helium-air gas mixture, such as density, mean free path and viscosity, were determined to calculate the dynamic flying characteristics of a slider using the CMRR air bearing simulator. Frequency analysis shows that the helium percentage in the gas mixture can shift the second pitch mode of the slider to a higher frequency.
- Information Storage and Processing Systems Division
Investigation of Slider Vibrations and Vibration Mode Changes in Helium-Air Gas Mixtures
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Tang, Z, & Talke, FE. "Investigation of Slider Vibrations and Vibration Mode Changes in Helium-Air Gas Mixtures." Proceedings of the ASME 2014 Conference on Information Storage and Processing Systems. 2014 Conference on Information Storage and Processing Systems. Santa Clara, California, USA. June 23–24, 2014. V001T01A022. ASME. https://doi.org/10.1115/ISPS2014-6988
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