環状スロット給気気体ジャーナル軸受における回転軸の安定性　　２列給油の場合

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  • Stability of a rigid rotor supported by aerostatic journal bearings with circular slot restrictors. (On the double-row admission bearing)

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This paper treats with the stability of a rigid rotor supported by double-row admission bearings with circular slot restrictors. In the theoretical analysis, the pressure reduction at the outlet of the slot is considered because gas flow is repidly bended, and the coefficient of the pressure reduction is determined experimentally. The theoretical results obtained are in good agreement with the experimental data. Furthermore, in this paper, it is experimentally shown that an aerostatic jouranl beaing with circular slot restrictors has higher stiffness and higher stability than those of conventional point source bearings with inherently compensated feeding holes.

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