The present paper contains results of experimental study on a semi-planing catamaran. The aim of this study is to find the effect of hydrofoil usage on resistance of semi-planing catamaran and achieving optimal attack angle, arrangement of hydrofoils and displacement center of gravity. Tests have been done without and with hydrofoils in certain arrangement with different angles of attack then the results are compared. Results show that considerable resistance reduction obtained in semi-planing vessels which equipped with hydrofoil in optimized angle of attack in service speed range. Meanwhile the hydrofoils arrangement and the angle of attack are important so unsuitable design causes the instability in the motion and may be increases hydrodynamic resistance.
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ASME 2005 24th International Conference on Offshore Mechanics and Arctic Engineering
June 12–17, 2005
Halkidiki, Greece
Conference Sponsors:
- Ocean, Offshore and Arctic Engineering Division
ISBN:
0-7918-4196-0
PROCEEDINGS PAPER
Hydrofoil Attack Angle Effect on Hydrodynamic Resistance of Semi-Planing Catamaran Available to Purchase
M. Rad,
M. Rad
Sharif University of Technology, Tehran, Iran
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M. Nakisa,
M. Nakisa
Sharif University of Technology, Tehran, Iran
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G. Golnezhad,
G. Golnezhad
Sharif University of Technology, Tehran, Iran
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M. Askari
M. Askari
Sharif University of Technology, Tehran, Iran
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M. Rad
Sharif University of Technology, Tehran, Iran
M. Nakisa
Sharif University of Technology, Tehran, Iran
G. Golnezhad
Sharif University of Technology, Tehran, Iran
M. Askari
Sharif University of Technology, Tehran, Iran
Paper No:
OMAE2005-67265, pp. 695-702; 8 pages
Published Online:
November 11, 2008
Citation
Rad, M, Nakisa, M, Golnezhad, G, & Askari, M. "Hydrofoil Attack Angle Effect on Hydrodynamic Resistance of Semi-Planing Catamaran." Proceedings of the ASME 2005 24th International Conference on Offshore Mechanics and Arctic Engineering. 24th International Conference on Offshore Mechanics and Arctic Engineering: Volume 2. Halkidiki, Greece. June 12–17, 2005. pp. 695-702. ASME. https://doi.org/10.1115/OMAE2005-67265
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