Slocum 수중 글라이더의 유영 받음각에 대한 전산유동해석 및 항력계수 연구
Computational Flow Analysis and Drag Coefficient Research for Angle of Attack in Slocum Underwater Glider
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초록
An underwater glider makes it easy to explore a wide area with low power. However, an underwater glider is difficult to use for rapid collection, because the surfacing location cannot be predicted after a dive. Thus, simulation research is needed to predict the swimming path. In this paper, based on research, a linearized equation is derived for the drag coefficient at each angle of attack by assuming the boundary conditions for the Slocum underwater glider and performing a computational flow analysis.
Abstract
An underwater glider makes it easy to explore a wide area with low power. However, an underwater glider is difficult to use for rapid collection, because the surfacing location cannot be predicted after a dive. Thus, simulation research is needed to predict the swimming path. In this paper, based on research, a linearized equation is derived for the drag coefficient at each angle of attack by assuming the boundary conditions for the Slocum underwater glider and performing a computational flow analysis.
참고문헌 (8)
- Tan, K.M, "Drag Coefficient Estimation Model to Simulate Dynamic Control of Autonomous Underwater Vehicle (AUV) Motion", 20th International Congress on Modelling and Simulation, Australia, pp.963~969 (2013)
- Seo, D.C, "Pitching Control Simulations of an Underwater Glider Using CFD Analysis", OCEANS 2008-MTS, 2008, 1~5
- Graver, J.G, "Underwater Glider Model Parameter Identification", Proceedings of the 13th International Symposium on Unmanned Untethered Submersible Technology (UUST) (2003)
- Pijush, K.K, "Fluid Mechanics" (2010), Elsevier
- "Drag Coefficient" (2011)[URL]
- Morrison, F.A, "Data Correlation for Drag Coefficient for Sphere", Department of Chemical Engineering, pp.2013
- Ahmadi, G, "Hydrondynamic Forces", pp.2004
- Teledyne Webb Resarch, "Slocum G2 Glider Operators Manual", ~ (2012)