原文传递
Experimental Investigation into Added Resistance of Surface Effect Ships
| 题名： | Experimental Investigation into Added Resistance of Surface Effect Ships |
| 作者： | Moulijn, J. |
| 关键词： | Ships##Resistance##Motion control##Propulsion##Hydromechanics##Waves##Speed loss##Hulls##Materials##Safety##Operations##Rules##Structural design##Hydrodynamics##Structural loads##Foreign technology##Surface effect ships## |
| 摘要： | This paper presents an experimental investigation into the added resistance due to waves of Surface Effect Ships (SES). SESs appear to have a large speed loss when they are sailing in a seaway. This speed loss is probably caused by a very large increase of the resistance due to the ambient waves. The main goal of this investigation is to find the origin of this large added resistance. An extensive series of model experiments was carried out at the Ship Hydromechanics Laboratory of Delft University of Technology. Two versions of a model were subjected to three types of experiments: forced oscillation experiments, wave force experiments and experiments where the model was free in heave and pitch. The contribution of the air cushion to the added resistance was measured separately, next to the total added resistance. Furthermore the added resistance due to sinkage caused by a drop of the cushion pressure was investigated. The outcome is that the contribution of the hulls to the added resistance is largest. This added resistance of the hulls is mainly caused by sinkage. |
| 总页数： | 39 |
| 报告类型： | 科技报告 |
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