선회중 전복한 저건현 내항 탱커의 복원성에 관한 연구 (2) - 갑판상 해수 침입이 경사 모멘트에 미치는 영향에 대한 실험적 조사 -

A Study on the Stability of a Low Freeboard Coastwise Tanker Capsized in Turning (2) - Experimental Examination of the Outward Heel Moment Induced by Flooding of Seawater onto the Deck -

A coastwise chemical tanker sailing at full speed has capsized in calm water and whole turing. In the precious paper, we investigated reasons of the accident by demonstrating the proper correction for the free surface effect of the liquid cargo and the bow-sinkage effect. In this paper, we also carry out model experiments of a transverse pressure under the seawater and an outward heel moment according to the heel angle and rudder angle, on the basis of radius of turning circle, ship's speed and drift angle of model ship occurring in turning. It is also shown that the flooding of seawater onto the deck occurring in turning generated a significant outward heel moment and the vertical distance between the center of gravity of the ship and the renter of lateral water drag.