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- W2058542435 abstract "Abstract The solution of the Reynolds' equation for short journal bearings is obtained considering ambient pressure levels above the fluid cavitation pressure. Equilibrium load carrying capacity and linearized bearing stiffness and damping coefficients are calculated for various values of ambient pressure. The effect of ambient pressure on journal stability is treated and an instability threshold speed map presented. A nonlinear transient analysis gives orbits which compare well with experimental results. Applications include the effects of pressurization on the stability of feed water pump bearings in nuclear reactors and plain seals in turbomachinery. A rotor undergoing stable motions whirls synchronously with operating speed producing bending stresses which are constant over time. Unstable motion created by pressurization cause stress reversals in the shaft. Such motion may increase to large amplitudes. The final size of the limit cycle rotor orbits depends on the nonlinearities in the rotor system." @default.
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- W2058542435 date "1977-01-01" @default.
- W2058542435 modified "2023-09-27" @default.
- W2058542435 title "Stability and dynamic response of pressurized journal bearings with nuclear water pump applications" @default.
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- W2058542435 doi "https://doi.org/10.1016/0306-4549(77)90008-1" @default.
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