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An Investigation into the Flying Behavior of 50 Rayleigh
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acoustic emission AE bottom AE burst AE output AE signal airbearing resonant frequencies airbearing surface approximately backsurface beam splitter Bogy calcium titanate capacitance contact start-stop cycloidal profile cycloidal ramp profile decrease disk surface edge flying height Fast Fourier transform finite difference flying behavior gimbal flexure head suspension assembly head-disk contact head-disk interface head-disk spacing inclined profile increase kHz spike laser beam laser Doppler vibrometry LDV and AE LDV top leading edge linear load/unload mechanism magnetic recording magnitude measurement beam mm/s radial loading Newtonian fluid no-slip boundary condition obtained parameters periscope pitch and roll pressure radial loading velocity ramp loading velocity Reynolds equation Rotary Actuator Schematic shown in Fig slider and disk slider bearing slider during loading slider velocity spindle speed spindle velocity steady-state step bearing step slider stiction taperflat slider track densities trailing edge flying velocity discontinuity vertical loading velocity vibrometer vibrometry and acoustic white light interferometry