On the Allowable Unbalance of a Rigid Rotor Supported in Externally Pressurized Gas Journal Bearings

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概要

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• A rigid rotor which is supported in externally pressurized gas jouranl bearings has resonant speeds. When the width of the bearing is small and the bearing clearance is large, the damping force of the bearing is very small at resonance. Then the rotor can not be run up ober the resonant speeds, unless an unbalance of the rotor is substantially removed. This paper, therefore, investigates the resonant characteristics of the gas bearing and the allowable unbalance of the rotor theoretically and experimentally in relation to the dimensional and operational conditions of the bearing. Theoretical results are found in good agreement with experimental ones for the radial clearances over 0.03mm. An available design chart with which the allowable unbalance of rotor could be known is presented.

• 一般社団法人日本機械学会の論文

著者

• Ono Kyosuke

  Electric Communication Laboratory

関連論文

• On the Allowable Unbalance of a Rigid Rotor Supported in Externally Pressurized Gas Journal Bearings

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