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논문 기본 정보

자료유형
학술저널
저자정보
Tien Thua Nguyen (Changwon National University) Hyeon Kyu Yoon (Changwon National University) Youngbum Park (Agency for Defense Development) Chanju Park (Agency for Defense Development)
저널정보
한국해양공학회 한국해양공학회지 한국해양공학회지 제32권 제5호(통권 제144호)
발행연도
2018.10
수록면
386 - 392 (7page)

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초록· 키워드

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It is necessary to predict hydrodynamic derivatives when assessing the maneuverability of a submarine. The force and moment acting on the vehicle may affect its motion in various modes. Conventionally, the derivatives are determined by performing captive model tests in a towing tank or applying a system identification method to the free running model test. However, a computational fluid dynamics (CFD) method has also become a possible tool to predict the hydrodynamics. In this study, virtual captive model tests for a full-scale submarine were conducted by utilizing a Reynolds-averaged Navier-Stokes solver in ANSYS FLUENT version 18.2. The simulations were carried out at design speed for various modes of motion such as straight forward, drift, angle of attack, deflection of the rudder, circular, and combined motion. The hydrodynamic force and moment acting on the submarine appended rudders and stern stabilizers were then obtained. Finally, hydrodynamic derivatives were determined, and these could be used for evaluating the maneuvering characteristics of the submarine in a further study.

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ABSTRACT
1. Introduction
2. Case study
3. Results and discussions
4. Conclusions
References

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UCI(KEPA) : I410-ECN-0101-2018-454-003536186