Journal of Engineering Physics and Thermophysics
is a translation of Inzhenerno-fizicheskii Zhurnal,
a publication of the Academic Scientific Complex
"A. V. Luikov Heat and Mass Transfer Institute"
of the National Academy of Sciences of Belarus
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INFLUENCE OF GAS BUBBLES ON NONLINEAR DYNAMIC CHARACTERISTICS
OF THE OIL FILM OF A TILTING PAD BEARING
N. Ya. Khlopenko
UDC 621.822.5
The influence of a comparatively low volume concentration of gas
microbubbles contained in oil on nonlinear characteristics describing
the behavior of an oil film in the guide gap of a hydrodynamic
tilting pad bearing under action of a low-frequency harmonic force
is analyzed using a numerical dynamic model of a collar<196>oil
film<196>pad system. It is shown that bubbles in the oil greatly affect
the efficiency of the tilting pad bearing. Results of oil-film-dynamics
investigations reported previously (including those of the present
author) are generalized.
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