可変ピツチ推進器船の操縦性について-II(日本航海学会第33回講演会)

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概要

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• In general, the effect of steering on the motion of the ship is of complexity when she goes either ahead by her inertia or astern by the propeller thrust. From navigator's standpoint, the author conducted a series of field experiments on the motion of the ship equipped with the variable pitch propeller, in an attempt to clarify the effect of the pitch angle on the transfer/advance ratio and some other performance of the ship in such a state as mentioned above. And the following tendencies were found out: 1. The turning ability of the ship going ahead by her inertia depended on the pitch angle of the propeller regardless of the turning direction or of the rudder angle: The ability is the better when the pitch angle is the larger. 2. The ship going ahead by her inertia represented at 8 to 30 percent decrease from that by propeller thrust, in respect of the ratio, T/A, at 45°to 90°of turning. 3. When the ship goes ahead by her inertia, the propeller of the smaller pitch angle acted the more efficiently as the brake on the distance of advance of the ship along her track. 4. It should be paid special attention to the fact that the ship with variable pitch propeller showed the inverse relation to that with fixed pitch one when they go astern by propeller thrust, in respect of the difficulty in turning due to the difference in the direction: namely, by the starboard steering, it is easy to make her head turning leftside along the same track regardless of the rudder angle. On the other hand, it was possible to make her head turning rightside when the inertia before steering or external forces were favorable to make her so ; otherwise, however large the rudder angle may be, it ended in scarecely no effect.

• 社団法人日本航海学会の論文
• 1965-12-25

著者

• 高島 末夫

  水産大学校

関連論文

• 曳網中のヨーイングについて(日本航海学会第29回講演会)
• 大瀬戸付近における船舶の通航実態(日本航海学会第38回講演会)
• 早鞆瀬戸における船舶の通航実態(日本航海学会第36回講演会)
• 船酔いの実船実測-II
• 船酔いの実船実測-I
• 波浪中における沿岸漁船の動揺について-III : 動揺の連続性
• 波浪中における沿岸漁船の動揺について-II : スケグ付き船型の動揺
• 波浪中における沿岸漁船の動揺について-I : 波浪およびロール・ピッチの解析
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• まき網漁船(116トン型)の動揺について-II : 横動揺の計算値と実測値の比較
• まき網漁船(116トン型)の動揺について-I : 動揺計測とその統計・スペクトラム解析
• 船の長さの変化が操縦性におよぼす影響について
• 北洋さけ・ます漁船の海難防止に関する実態調査について
• 曳網中のヨーイングについて-III(日本航海学会第36回講演会)
• 曳網中のヨーイングについて-II(日本航海学会第34回講演会)
• 可変ピツチ推進器船の操縦性について-II(日本航海学会第33回講演会)
• 可変ピツチ推進器船の操縦性について-I(日本航海学会第33回講演会)
• 可変ピッチ推進器船の操縦性について-1・2-

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