지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2016.3
- 수록면
- 78 - 85 (8page)
이용수
초록· 키워드
오류제보하기
While most AUV researches have concerned about single hydrofoil, practical AUV’s are generally operated with multiple hydrofoils. Double hydrofoil study attempts to evaluate thrust and efficiency with various flapping motions, and carries out design optimization using parametric analysis. Flow patterns such as vortex shedding and wake-body interaction are carefully investigated during design variable sensitivity analysis. The purpose of this design optimization is to find out the optimal motion that yields maximum thrust and efficiency. The design optimization employes several techniques such as table of orthogonal arrays, Kriging method, ANOVA analysis and MGA. Throughout this research, it is possible to find the optimal values of heaving ratio, heaving shift and pitch shift: Heaving ratio 0.950, heaving shift 23.120˚ and pitch shift 89.991˚ are found to be optimal values in double hydrofoil motions. Thrust and efficiency are 16.7% and 35.1% higher than existing AUV that did not consider nonlinear dependency of motion parameters. This results may offer an effective framework that is applicable to various AUV motion analyses and designs.
목차
1. 서론
2. 수치해석 기법
3. 최적설계
4. 결론
References
참고문헌 (9)
참고문헌 신청
2001, Drucker, E.G. and Lauder, G.V., "Locomotor function of the dorsal fin in teleost fishes: experimental analysis of wake forces in sunfish," Journal of Experimental Biology, 204(17), pp.2943-2958.
2009, Licht, S., Wibawa, M., Hover, F. and Triantafyllou, M., "Toward amphibious robots: Asymmetric flapping foil motion underwater produces large thrust efficiently," In Proceedings of the International Symposium on Unmanned Untethered Submersible Technology, Durham, NH.
2005, Tuncer, I.H. and Kaya, M., "Optimization of flapping airfoils for maximum thrust and propulsive efficiency," AIAA Journal, Vol.43, pp.2329-2336.
2011, Ashraf, M.A., Young, J. and Lai, J.C.S., "Reynolds number, thickness and camber effects on flapping airfoil propulsion," Journal of Fluids and structures, Vol.27, pp.145-160.
2013, Kim, I.-H., Choi, J.-S., Park, K.-H. and Lee, D.-H., "Optimization Design of Hydrofoil Shape and Flapping Motion in AUV(Autonomous Underwater Vehicle)," The KSFM Journal of Fluid Machinery, pp.24-31.
2009, Licht, S., Wibawa, M., Hover, F. and Triantafyllou, M., "Toward amphibious robots: Asymmetric flapping foil motion underwater produces large thrust efficiently," In Proceedings of the International Symposium on Unmanned Untethered Submersible Technology, Durham, NH.
2005, Tuncer, I.H. and Kaya, M., "Optimization of flapping airfoils for maximum thrust and propulsive efficiency," AIAA Journal, Vol.43, pp.2329-2336.
2011, Ashraf, M.A., Young, J. and Lai, J.C.S., "Reynolds number, thickness and camber effects on flapping airfoil propulsion," Journal of Fluids and structures, Vol.27, pp.145-160.
2013, Kim, I.-H., Choi, J.-S., Park, K.-H. and Lee, D.-H., "Optimization Design of Hydrofoil Shape and Flapping Motion in AUV(Autonomous Underwater Vehicle)," The KSFM Journal of Fluid Machinery, pp.24-31.
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UCI(KEPA) : I410-ECN-0101-2016-559-002775807