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Scaling of Air Cushion Dynamics
| 题名： | Scaling of Air Cushion Dynamics |
| 作者： | Moulijn, J. C. |
| 关键词： | Air cushion vehicles##Dynamics equation##Ships##Hydrodynamics##Scaling law##Hovercraft##Stiffness##Diaphragm##Air leakage##Tents##Foreign technology## |
| 摘要： | The goal of this report is to investigate how one can scale the dynamics of an air cushion correctly. An equation which describes the dynamics of an air cushion is presented. This equation is used to find the correct scale factors for the terms that occur in this equation. First the scaling of the stiffness of the air cushion is treated. Three alternative ways to achieve the correct scale factor for the cushion stiffness are investigated: a reduction of the ambient pressure, an increase of the cushion volume and mounting a flexible membrane (i.e. diaphragm) on top of the air cushion. Then the scaling of the air supply system and air leakage are investigated. Finally this report presents a computational and experimental analysis of the diaphragm technique. |
| 总页数： | 18 |
| 报告类型： | 科技报告 |
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