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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2025.2
- 수록면
- 9 - 22 (14page)
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초록· 키워드
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Numerous devices to reduce ship resistance have been suggested. One of them, a propagating hydrofoil in a wave field, can produce thrust and might be used to reduce the resistance of ships. This paper proposes the analytical solution of thrust for a two-dimensional oscillating foil with an aileron in propagating an unsteady wave field. Quadratic transfer functions (QTFs) of the additional thrust induced from the deflection of an aileron were derived using unsteady linear potential-flow theory. A parametric study on the thrust was conducted using the derived quadratic transfer functions. The effects of physical variables, such as heave (plunging), pitch, velocity of the wave field, and deflection of an aileron on the thrust, were investigated. First, a large phase difference between the pitch and deflection of the aileron generally produced a large thrust except for the high-frequency region. Second, the thrust induced from the heave and deflection of the aileron had the largest value when the phase difference was 0.5 π. Third, the thrust induced from the wave velocity and deflection of the aileron showed different trends at each phase difference. Finally, the effects of deflection only generally had a negative value. The parametric study showed that the phase difference between motions and deflection at each frequency region mainly influences the thrust of a foil.
목차
ABSTRACT
1. Introduction
2. Mathematical Formulation
3. Parametric Study on QTFs
4. Conclusions
References
참고문헌 (0)
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