推進性能に及ぼす平行補助翼付舵の影響

概要

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A rudder with parallel auxiliary foils which have half length of rudder height was developed considering slip stream of screw propeller to improve the propulsive performance. The combination of main rudder and auxiliary foils acted favorably as the reaction rudder and contributed to increase the magnitude of thrust. Model experiments were conducted using propeller open test apparatus at the circulating water tank. Self-propelled free running tests were carried out to measure the speed of model ship which was installed with different types of rudders. Furthermore, self-propelled model ship was set up at the circulating water tank in captive condition to measure the thrust of the model ship. The result showed us that the newly developed rudder indicated the tendency to increase propulsive efficiencies at each experiments.
社団法人日本航海学会の論文
2002-09-25