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부력 시뮬레이션 허승현

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OVERVIEW

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MODEL_1MODEL_2 MODEL_3 MODEL_1 VOLUME MODEL_2 VOLUME MODEL_3 VOLUME

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Enviroment 물 + 알코올 초기 비중 :

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Horizontal component Vertical component ※ Buoyant force -Archimedes’ Principle Area A: Top area of Parallelepiped H1H1 H2H2 Y1Y1 Y2Y2 YcYc A DC B Equation

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F B 의 위치 결정 : D 위치 (x 축 ) 에 대한 모멘트 식 : Area A: Top area of Parallelepiped H1H1 H2H2 Y1Y1 Y2Y2 YcYc A DC B Total Volume of a parallelepiped,V T

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Y1Y1 : Center of Total Volume YCYC : Center of Displaced Volume Y2Y2 : Center of Fluid volume in parallelepiped ∴ Y C : y coordinate of the centroid of displaced Volume V ∴ X C : x coordinate of the centroid of displaced Volume V

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Stability of Floating bodies - Stable : 약간의 변화에도 원래의 위치로 돌아오는 것. - UnStable : 변화가 있으면 새로운 평형지점으로 움직이는 것. STABLE : CG >> Above C B UnStable

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Floating bodies F B = W = mg 부표 무게 중심의 추 m 무게 결정

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Matlab Simulation -1 번. 에탄올 질량감소에 따른 부표의 높이차이. (3 모델 ) - 2 번

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Experiment (2) BUOYANCY & FLOTATION (METACENTRIC HEIGHT)

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