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추력 및 효율 향상을 위한 Double Hydrofoil 움직임에 대한 수치해석 연구Numerical study of Double Hydrofoil motions for thrust and propulsive efficiency
- Other Titles
- Numerical study of Double Hydrofoil motions for thrust and propulsive efficiency
- Issue Date
- Aug-2014
- Publisher
- 한국유체기계학회
- Keywords
- CFD(전산유체역학); Thrust(추력); Efficiency(효율); Double hydrofoil(두 쌍 수중익)
- Citation
- 한국유체기계학회 논문집, v.17, no.4, pp 59 - 69
- Pages
- 11
- Indexed
- KCI
- Journal Title
- 한국유체기계학회 논문집
- Volume
- 17
- Number
- 4
- Start Page
- 59
- End Page
- 69
- ISSN
- 2287-9706
- Abstract
- The motion of birds and insects have been studied and applied to MAV(Micro Air Vehicle) and AUV(Autonomous Underwater Vehicle). Most of AUV research is focused on shape and motion of single hydrofoil. However, double hydrofoil system is mostly used in real physics. This system shows completely different hydrodynamic characteristic to single hydrofoil because of wake interaction. The goal of this study is define the trajectory of wake interaction in double hydrofoil system. Moreover, trust and efficiency of various combined motion will be demonstrated. Symmetry airfoil is used for analysis an hydrodynamic characteristic. Forward wing’s plunging and pitching motion is fixed, hide wing’s Heaving ratio, Pitch phase shift from forward plunging and Heaving shift is changed. This study provide necessary basic data of motion optimization for double hydrofoil system.
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Related Researcher
- Lee, Do hyung
- ERICA 공학대학 (DEPARTMENT OF MECHANICAL ENGINEERING)