Paper III(ii) Negative pressures in statically and dynamically loaded journal bearings
作者： S. Natsumeda , T. Someya
DOI: 10.1016/S0167-8922(08)70931-3
关键词: Laplace pressure 、 Hydrodynamic theory 、 Pressure head 、 Lubricant 、 Tension (physics) 、 Classical mechanics 、 Pressure sensor 、 Impact pressure 、 Mechanics 、 Chemistry 、 Bearing (mechanical)
摘要: The circumferential pressure distribution in a journal bearing is measured under static and dynamic loading. Compared with conventional transducers pickup mounted the has given more accurate results yielded negative or tension as much −1.2MPa (absolute) oil film. Two patterns are found distribution: one similar to curves calculated separation boundary condition, other Sommerfeld's one. In order expound tension, hydrodynamic theory developed regarding lubricant two-phase liquid of small bubbles. Equation motion for spherical bubbles solved taking into account surfacedilational viscosity.
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