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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
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When a ship sails in shallow water, it is well known that an additional sinkage and trim of the ship(squat) is caused by change of hydrodynamic force between the seabed and the bottom of a ship. In this paper, to examine this phenomenon by model tests, the squat of KCS model ship at a low speed is measured by the vision based ship motion measurement system during HPMM tests. Various combinations of a ship speed, a rudder angle and a drift angle were tested at three depth conditions(H/T = 1.2, 1.5 & 2.0). As a result, increase of the ship"s speed and ship"s drift angle caused an increase in ship squat, but the ship"s rudder angle did not. The rate of increase in ship squat was the most at H/T = 1.2 condition. Lastly these experimental results are compared to the results by three empirical formulas and two CFD methods. The tendency of ship squat measured by experiment is similar to those of empirical formulas.
목차
1. 서론
2. 영상기반 선박자세 측정시스템
3. KCS 천수영역 자세측정 실험
4. 실험 결과
5. 결론
References
참고문헌 (11)
참고문헌 신청
1. [학술지(정기간행물)] - Beaulieu, C / 2012 / Improved Model of Deep-Draft Ship Squat in Shallow Waterways Using Stepwise Regression Trees / Journal of Waterway, Port, Costal, and Ocean Engineering 138 (2) : 80 ~ 90
2. [학술지(정기간행물)] - Beaulieu, C. / 2009 / Statistical Approach to Model the Deep Draft Ships' Squat in the St. Lawrence Waterway / Journal of Waterway, Port, Costal, and Ocean Engineering 135 (3) : 80 ~ 90
3. [학술대회논문] - Hewlett, C. / 2002 / Dynamic Squat and Under-Keel Clearance of Ships in Confined Channels / 30th International Navigation Congress (S10B) : 152 ~ 163
4. [학술지(정기간행물)] - Jachowski J. / 2008 / Assessment of Ship Squat in Shallow Water using CFD / Archives of Civil and Mechanical Engineering 8 : 27 ~ 36
5. [학술지(정기간행물)] - Kim, H.E. / 2000 / An Experimental Study of the Shallow Water Effect on Series60 Hull Form / Journal of the Society of Naval Architects of Korea 37 (3) : 21 ~ 26
2. [학술지(정기간행물)] - Beaulieu, C. / 2009 / Statistical Approach to Model the Deep Draft Ships' Squat in the St. Lawrence Waterway / Journal of Waterway, Port, Costal, and Ocean Engineering 135 (3) : 80 ~ 90
3. [학술대회논문] - Hewlett, C. / 2002 / Dynamic Squat and Under-Keel Clearance of Ships in Confined Channels / 30th International Navigation Congress (S10B) : 152 ~ 163
4. [학술지(정기간행물)] - Jachowski J. / 2008 / Assessment of Ship Squat in Shallow Water using CFD / Archives of Civil and Mechanical Engineering 8 : 27 ~ 36
5. [학술지(정기간행물)] - Kim, H.E. / 2000 / An Experimental Study of the Shallow Water Effect on Series60 Hull Form / Journal of the Society of Naval Architects of Korea 37 (3) : 21 ~ 26
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UCI(KEPA) : I410-ECN-0101-2015-550-001117420