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논문 상세정보

Abstract

Development of rudder gap flow blocking device for lift augmentation and cavitation suppression is presented. In order to verify the performance of this device, cavitation visualization and surface pressure measurements were carried out in a cavitation tunnel. Numerical simulations were conducted using a computational fluid dynamics code for more rigorous verification. The new rudder system is equipped with cam devices, which effectively close the gap between the horn/pintle and movable wing parts. The experimental and computational results show that the proposed rudder system is superior to the conventional rudder systems in terms of the lift augmentation and cavitation suppression.

참고문헌 (13)

  1. Boo, G.T, I.H Song and S.C Shin. 2003a. Numerical Simulation for the Rudder in order to Control the Cavitation Phenomena. Proc. International Workshop on Frontier Technology in Ship and Ocean Engineering, Seoul, Korea 
  2. Boo, K.T., J.M.Han, I.H.Song and S.C.Shin. 2003b. Viscous Flow Analysis for the Rudder Section Using FLUENT Code. Journal of the Society of Naval Architects of Korea, 40, 4, 30-36.(In Korean) 
  3. Choi, J.-E. and S.-H.Chung. 2007. Characteristics of Gap Flow of a 2-Dimensional Horn-type Rudder Section. Journal of the Society of Naval Architects of Korea, 44, 2, 101-110.(In Korean) 
  4. Shen, Y.T., C.W., Jiang and K.D.Remmers. 1997. A Twisted Rudder for Reduced Cavitation. J.Ship Research, 41, 4, 260-272 
  5. Kim, S.P., J.J Park, Y.S.Kim, Y.H.Jang, Y.B.Choi and B.G.Paik. 2006. An Experimental Research on Gap Cavitation Erosion of Semi-spade Rudder. Journal of the Society of Naval Architects of Korea, 43, 5, 578-585.(In Korean) 
  6. Kim, S-E, and S.H Rhee. 2002. Assessment of Eight Turbulence Models for a Three-Dimensional Boundary Layer Involving Crossflow and Streamwise Vortices. AIAA Paper 2002-0852, Proc.40th AIAA Aerospace Sciences Meeting and Exhibit, Reno, NV, USA 
  7. Rhee, S.H., and B.Makarov. 2005. Validation Study for Free-Surface Wave Flows Around Surface-Piercing Cylindrical Structures.Proc.24th International Conference on Offshore Mechanics and Arctic Engineering, Halkidiki, Greece 
  8. Shih, T.-H., W.W.Liou, A.Shabbir, Z., Yang and Z.Zhu.1995. A New k-$\varepsilon$ Eddy- Viscosity Model for High Reynolds Number Turbulent Flows - Model Development and Validation. Computers Fluids, 24, 3, 227-238 
  9. Paik, B.-G., K.-Y.Kim, J.-W.Ahn, Y.-S.Kim, S.-P.Kim and J.-J.Park. 2008. Experimental study on the gap entrance profile affecting rudder gap cavitation. Ocean Engineering, 35, 139-149 
  10. Song, I.H., K.J.Paik, S.M.Ahn, J.K.Oh and J.C.Suh. 2004. Cavitation Characteristics on various 2-Dimensional Rudder with Gap. Proc. Annual Autumn Metting of the Society of Naval Architects of Korea, Sancheong, Korea, 51-56.(In Korea) 
  11. Park, S.H, J.K.Heo and B.S.Yu. 2007. Numerical Study on Horn Rudder Section to Reduce Gap Cavitation. 10th International Symposium on Practical Design of Ships and Other Floating Structures (2007 PRADS), 2, Houston, Texas, USA, 1255-1260 
  12. Rhee, S.H, and H.Kim. 2006. Analysis of Rudder Cavitation in Propeller Slipstream and Development of its Suppression Devices. Proc.2006 SNAME Maritime Technology Conference & Expo, Ft.Lauderdale, FL 
  13. Rhee, S.H., B.Makarov, H.Krishnan and V.Ivanov. 2005. Assessment of Volume of Fluid Method for Free-Surface Wave Flows.Journal of Marine Science and Technology, 10, 4, 173-180 

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