可変ピッチ・プロペラ装備船の操縦性能に関する研究

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タイトル別名
  • A Study on the Maneuverability of the Ship with C.P.P.
  • カヘン ピッチ プロペラ ソウビセン ノ ソウジュウ セイノウ ニ カンスル

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The paper deals with the change of maneuverability of the ship with C.P.P. (Controllable Pitch Propeller) reducing to low speed. On a experiment method, Series-60 model ship with C.P.P. was used and sway force and yaw moment etc. induced on the hull & rudder were measured in condition of steady-state for propeller pitch angle 20°, 10°, 5°& 0°. It is confirmed from experiment that decreasing propeller pitch angle, yaw damping force acts on aft point of sway damping force and the ship is in unstable condition. And authors proposed the method of maneuverability that the ship reduced to low speed under keeping course stability.

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