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An investigation on the orientation of a long square bar in still water

机译：静水中长平方棒取向的调查

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An investigation on the orientation of a long square bar in still water was carried out. The inclination angle of the bar is analyzed based on Archimedes' principle and the conditions of the existance of a solution, without apply the transverse metacenter and the principle of minimum potential energy. The correlations between the inclination angle Φ and the specific gravity σ of the bar were obtained. And the variation of the water lines of the bar were also obtained. In the rages of σ= (3-{the square roots of 3})/6 to 9/32 and σ= 23/32 to (3+{the square root of 3})/6, the angle Φ changes drastically from 0 to 45° and 45 to 0° respectively. Experiments were made for various square bars. The difference between the results and the analysis was explained by the deviation of the center of the gravity of the bar.
机译：进行了静止水中长平方条取向的研究。 基于Archimedes的原理和解决方案的存在条件，分析了杆的倾斜角度，而无需施加横向聚合器和最小势能的原理。 获得倾斜角φ与杆的比重σ之间的相关性。 还获得了棒水线的变化。 在σ=（3- {3}的3}）/ 6至9/32和σ= 23/32至（3+ {平方根的3}）/ 6时，角度φ从 0至45°和45至0°分别。 实验是针对各种方棒制成的。 通过杆的重力偏差来解释结果与分析之间的差异。

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