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DTIC ADA1000675: Prediction of Hydrodynamic Pressure on the Bulbous... |
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by Defense Technical Information Center |
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Theoretical prediction of oscillatory pressures on the |
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sonar dome of a CGN-38 Class ship proceeding in waves is |
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made using a strip theory. The predicted values are |
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compared with the measured values from a model |
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experiment. Five locations on the dome are chosen for the |
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comparison, and agreement between predicted and measured |
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values is good except for the pressures at a point on the |
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bottom side of the dome. The good agreement is considered |
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to be attributed to the fact that the pressure head |
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change due to the oscillatory vertical displacement of |
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the dome, which is predicted reasonably well by the strip |
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theory, is the dominant effect on the oscillatory |
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pressures. The reason for the discrepancy between |
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predicted and measured results on the bottom side of the |
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dome may be due to shortcomings of the strip theory, but |
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this question is unresolved. |
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Date Published: 2020-01-27 18:32:52 |
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Identifier: DTIC_ADA1000675 |
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Item Size: 13345267 |
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Language: english |
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Media Type: texts |
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# Topics |
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DTIC Archive; Lee, Choung M ; DAVID W... |
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@chris85 |
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