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별도의 고정타를 갖는 수중운동체 승강타의 제어력에 미치는 받음각의 영향에 대한 실험적 연구
박정훈(CJeong-Hoon Park),신명섭(Myung-Sub Shin),최재엽(Jae-Yeop Choi),황종현(Jong-Hyun Hwang),신영훈(Young-Hun Shin),김연규(Yeon-Gyu Kim) 한국해양공학회 2016 韓國海洋工學會誌 Vol.30 No.4
Conventionally, the static angle of attack and static elevator tests are carried out separately to estimate hydrodynamic stability derivatives of underwater vehicles. However, it is difficult to verify the interaction between the angle of attack and elevator angle in such cases. In this study, we perform a static elevator with angle of attack test where both the angle of attack and elevator angle are varied simultaneously. The experimental results show that the angle of attack has an influence on the elevator control force and that this tendency is dependent on the sense in which the angle of attack and elevator angle are varied. We predict level flight performance using hydrodynamic derivatives estimated through this experiment. The predictions considering the effect of angle of attack show good agreement with trials conducted in the open sea.