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논문 상세정보

유동 방향 변화에 따른 잠수함 주위의 유동 특성과 유체동역학적 계수의 변화

The Variation of Flow Field and Hydrodynamic Coefficients of Submarine by Changes of Angle of Attack and Yaw Angle

Abstract

The three-dimensional RANS equations were applied to analyze the flow field of a submarine. To validate the code, the DARPA SUBOFF bare hull and an eliipsoid at angles of attack of $10^{\circ}\;and\;30^{\circ}$ were simulated and good agreement with experiments was obtained. After the code validation, the flows over the full configuration of DARPA SUBOFF model having a fairwater and four stern appendages were simulated at four angles of attack $(0^{\circ},\;10^{\circ},\;20^{\circ},\;30^{\circ})$ and three yaw angles $(10^{\circ},\;20^{\circ},\;30^{\circ})$ Specifically, the pressure contours and streamlines of fairwater and stern appendage were compared as the angle of attack and yaw angle changed. The variations of hydrodynamic forces were also calculated.

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참고문헌 (14)

  1. Boger. D.A., Davoudzadeh. F., Dreyer. J.J., McDonald. H., Schott. C.G., Zierke, W.C., Arabshahi. A., Briley. W.R., Busby. J.A., Chen. J.P., Jiang. M., Jonnalagadda. R., McGinley. J., Pankajakshan. R., Sheng. C., Stokes. M.L., Taylor. L.K., and Whitfield. D.L., 1977, A Physics-Based Means of Computing the Flow Around a Maneuvering Underwater Vehicle, Technical Report No. TR 97-002 
  2. Bull, P., 1997, 'The Validation of CFD Predictions of Nominal Wake for the SUBOFF Fully Appended Geometry,' The 21th Symposium on Naval Hydrodynamics,' Trondheim, pp. 1061-1076 
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이 논문을 인용한 문헌 (5)

  1. Seo, Jang-Hoon ; Yoon, Hyun-Sik ; Chun, Ho-Hwan ; Kim, Su-Hu ; Kim, Tae-Hyung ; Woo, Jong-Sik ; Joo, Young-Sock 2008. "Numerical Analysis for Hull Cleaning ROV Resistance Performance" 韓國海洋工學會誌 = Journal of ocean engineering and technology, 22(6): 64~74 
  2. Jo, Gyung-Nam ; Seo, Dong-C. ; Choi, Hang-S. 2008. "A Study on an Input-Output Controller Based on the Time-Scale Properties of an Underwater Vehicle Dynamics" 大韓造船學會 論文集 = Journal of the Society of Naval Architects of Korea, 45(5): 469~476 
  3. Shin, Myung-Soo ; Moon, Il-Sung ; Nah, Young-In ; Park, Jong-Chun 2011. "Measurement of Turbulent Wake behind a SUBOFF Model and Derivation of Experimental Equations" 韓國軍事科學技術學會誌 = Journal of the KIMST, 14(2): 198~204 
  4. Shin, Myung-Soo ; Moon, Il-Sung ; Nah, Young-In ; Park, Jong-Chun 2011. "Measurement of Turbulent Wake behind a Self-Propelled SUBOFF Model and Derivation of Experimental Equations" 韓國軍事科學技術學會誌 = Journal of the KIMST, 14(3): 364~371 
  5. Kim, Yeon-Gyu ; Yun, Kun-Hang ; Kim, Sun-Young ; Kim, Dong-Jin 2012. "Captive Model Test of Submerged Body Using CPMC" 大韓造船學會 論文集 = Journal of the Society of Naval Architects of Korea, 49(4): 296~303 

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