Abstract
To deeply study cavities evolution and motion laws in process of two-cylinder in parallel water-entry at low speed, tests for two-cylinder in parallel water-entry at low speed were conducted. The evolution mechanism of in parallel water-entry two-cavity was analyzed by comparing tests for a single cylinder water entry and those for two-cylinder in parallel water entry. The tests with different water-entry velocities were conducted to study the effects of water-entry velocity on cylinders' motion characteristics in process of them in parallel water-entry. Combined with the evolution law of cavities, the influence mechanism of cavities evolution process on cylinders' motion was analyzed. The results showed that in process of two-cylinder in parallel water-entry at low speed, cavities have obvious asymmetry; cylinders have lateral motion and excursion one under the asymmetric hydrodynamic action; cavities closure affects cylinders' excursion motion obviously, the motion characteristic curves of two-cylinder and two-cavity morphology have a good symmetry.
| Translated title of the contribution | Tests for cavities and motion characteristics in process of two-cylinder in parallel water entry at low speed |
|---|---|
| Original language | Chinese (Traditional) |
| Pages (from-to) | 42-49 |
| Number of pages | 8 |
| Journal | Zhendong yu Chongji/Journal of Vibration and Shock |
| Volume | 38 |
| Issue number | 7 |
| DOIs | |
| State | Published - 15 Apr 2019 |
| Externally published | Yes |
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