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＜紀要論文＞
ON THE FREE HEAVING OF A CYLINDER FLOATING ON THE SURFACE OF A FLUID
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| 概要 | In the free heaving experiments of the circular cylinder it was found that the decay curve is nearly normalized, and added mass and damping coefficient obtained from the decay slope after one cycle is... in good coincidence with the F. Ursell's results. In the case of rectangular cylinder with rounded corner, decay curve shows nonlinear characteristic slightly. In high frequency tests the damping coefficient and added mass were larger than the theoretical values which were obtained for the forced heaving. A rectangular cylinder with bilge-keel has a smaller wave damping than the cylinder without bilge-keel. Therefore, although eddy-making resistance by the bilge-keel is moderately large, the damping coefficient is about the same with the one without bilge-keel at the natural period.続きを見る |
| 目次 | 1. Introduction 2. Free Heaving of a circular Cylinder 3. Belge-Keel Effect on the Damping Force and Added Mass 4. Conclusions |
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| 登録日 | 2024.02.02 |
| 更新日 | 2024.10.22 |