Journal of Navigation and Port Research (한국항해항만학회지)

Korean Institute of Navigation and Port Research (한국항해항만학회)
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Dynamic Stability Analysis of a Submarine by Changing Conning Tower Position and Control Planes

잠수함의 Conning Tower 위치 및 제어판 형태에 따른 동적 안정성 분석

  • Han, Ji-Hun (Department of Naval Architecture and Ocean Engineering, Pusan National University) ;
  • Jeong, Jae-Hun (Dept. of Naval Architecture and Ocean Engineering, Pusan National University) ;
  • Lee, Seung-Bum (Department of Naval Architecture and Ocean Engineering, Pusan National University) ;
  • Jang, Keun-Young (Department of Naval Architecture and Ocean Engineering, Pusan National University) ;
  • Lee, Seung-Keon (Dept. of Naval Architecture and Ocean Engineering, Pusan National University)
  • 한지훈 (부산대학교 조선해양공학과 대학원) ;
  • 정재훈 (부산대학교 조선해양공학과) ;
  • 이성범 (부산대학교 조선해양공학과 대학원) ;
  • 장근영 (부산대학교 조선해양공학과 대학원) ;
  • 이승건 (부산대학교 조선해양공학과)
  • Received : 2016.07.05
  • Accepted : 2017.04.10
  • Published : 2017.12.31
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Abstract

In this paper, the captive model test of a submarine using the RA test was carried out in a square basin. The target model submarine consisted of four types varying according to the position of conning tower and control planes. Hydrodynamic derivatives were acquired by multi-regression analysis. As a result, horizontal dynamic stability indexes of the four types presented positive values and satisfied dynamic stability requirements. In addition, the stability index of type 1 and type 4 - each with the same cruciform configuration of the aft planes - scored within the acceptable range of motion stability.

본 논문에서는 수중운동체 중 하나인 잠수함의 코닝타워(Conning tower) 위치 및 제어판 형태에 따라 4가지 타입별로 나누어 회전팔 시험(Rotating arm test)을 실시하였다. 또한 본 RA 시험을 통하여 유체력 미계수를 추정하였으며 수평면 운동에 대한 동적 안정성(Dynamic stability)을 평가하였다. 특히, 자유수면의 영향으로부터 자유로운 심도비(Depth ratio) 6.0에서 힘과 모멘트를 측정한 후, 다중회귀분석을 이용하여 유체력 미계수를 추정하였다. 최종적으로 선형유체력 미계수를 이용한 수평면 동적 안정성 지수를 산정함으로써 잠수함 타입별 특성이 동적 안정성에 미치는 영향을 분석하였다.

Keywords

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