Journal of Navigation and Port Research (한국항해항만학회지)

Korean Institute of Navigation and Port Research (한국항해항만학회)
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Estimation of Maneuverability of Underwater Vehicles with Ahead Propeller by the Vertical Planar Motion Mechanism Test

VPMM 시험을 통한 선수부에 프로펠러를 갖는 수중운동체의 조종성능 추정

  • Shin, Myung-Sub (LIG Nex1 Co., Ltd) ;
  • Kim, Dong-Hwi (Department of Naval Architecture and Ocean Engineering, Pusan National University) ;
  • Kim, Yagin (Department of Naval Architecture and Ocean Engineering, Pusan National University) ;
  • Hwang, Jong-Hyon (Department of Naval Architecture and Ocean Engineering, Pusan National University) ;
  • Baek, Hyung-Min (Department of Naval Architecture and Ocean Engineering, Pusan National University) ;
  • Kim, Sung-Jae (Department of Naval Architecture and Ocean Engineering, Pusan National University) ;
  • Park, Sang-Jun (Department of Naval Architecture and Ocean Engineering, Pusan National University) ;
  • Choi, Young-Myung (Department of Naval Architecture and Ocean Engineering, Pusan National University) ;
  • Park, Hongrae (Department of Mechanical Engineering, Keimyung University) ;
  • Kim, Eun-Soo (Department of Naval Architecture and Ocean Engineering, Pusan National University)
  • 신명섭 ;
  • 김동휘 (부산대학교 조선.해양공학과) ;
  • 김야긴 (부산대학교 조선.해양공학과) ;
  • 황종현 (부산대학교 조선.해양공학과) ;
  • 백형민 (부산대학교 조선.해양공학과) ;
  • 김성재 (부산대학교 조선.해양공학과) ;
  • 박상준 (부산대학교 조선.해양공학과) ;
  • 최영명 (부산대학교 조선.해양공학과) ;
  • 박홍래 (계명대학교 기계공학과) ;
  • 김은수 (부산대학교 조선.해양공학과)
  • Received : 2022.03.31
  • Accepted : 2022.06.14
  • Published : 2022.06.30
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Abstract

In this study, the resistance test, the vertical static angle of the attack test and VPMM test will be conducted to estimate the maneuverability of underwater vehicles with ahead propeller. The vertical static test will be conducted within the range of -40deg to 40deg, to investigate the cross-flow drag at high incidence angles. The tests will be conducted by dividing the propeller rotation into a case in which the propeller rotates at a specific rpm, and a case in which the propeller rotates naturally, according to the towing speed. Hydrodynamic coefficients of vertical direction will be estimated by the captive model tests. Additionally, the vertical dynamic stability index based on estimated hydrodynamic coefficients will be calculated and the impact of the propeller revolution state on the index will be investigated. The results are expected to be used as reference test data for underwater vehicles with ahead propeller.

본 연구에서는 선수부에 프로펠러를 갖는 수중운동체의 연직면 조종성능을 추정하기 위해 저항시험, 연직면 사항시험, VPMM 시험을 부산대학교 예인수조에서 수행하였다. 연직면 사항시험은 대각도에서 발생하는 횡교차력 성분을 고려하기 위해 -40도에서 40도 범위 내에서 수행하였다. 프로펠러의 회전 상태는 특정 rpm으로 회전하는 경우와 예인속도에 맞춰 자연스럽게 프로펠러가 회전하는 경우로 나눠 시험을 수행하였다. 구속모형 시험을 통해 수중운동체의 연직면 조종 유체력 미계수를 추정하였으며 최종적으로 동유체력 미계수를 기반으로 연직면 동적 안정성지수를 산정하고 프로펠러 회전 상태가 동적 안정성에 미치는 영향을 분석하였다. 본 시험 결과는 전방에 프로펠러를 갖는 수중운동체의 조종시험 참고자료로서 활용될 것으로 기대된다.

Keywords

Acknowledgement

이 논문은 부산대학교 기본연구지원사업(2년)과 BK21 4단계 친환경 스마트 조선해양공학과 교육연구단의 지원을 받아 연구되었음.

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