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http://dx.doi.org/10.5574/KSOE.2016.30.4.243

An Experimental Study on Effect of Angle of Attack on Elevator Control Force for Underwater Vehicle with Separate Fixed Fins  

Park, CJeong-Hoon (R&D Center, LIG Nex1 Co. Ltd.)
Shin, Myung-Sub (R&D Center, LIG Nex1 Co. Ltd.)
Choi, Jae-Yeop (R&D Center, LIG Nex1 Co. Ltd.)
Hwang, Jong-Hyun (R&D Center, LIG Nex1 Co. Ltd.)
Shin, Young-Hun (R&D Center, LIG Nex1 Co. Ltd.)
Kim, Yeon-Gyu (Advanced Ship Research Division, KRISO)
Publication Information
Journal of Ocean Engineering and Technology / v.30, no.4, 2016 , pp. 243-252 More about this Journal
Abstract
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.
Keywords
Underwater vehicle; Elevator; Control force; Angle of attack; Fixed fin; Control derivatives;
Citations & Related Records
Times Cited By KSCI : 7  (Citation Analysis)
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