小水线面船水动力特性试验研究

从受力分析出发,作了5条小水线面双体船约束模型水动力试验研究,并与拖曳船模试验结果作了比较,两者之间有较好的一致性。根据试验结果,分析了在约束情况下的小水线面双体船的水动力特性,认为约束船模试验是从船舶水动力特点去研究中低速下小水线面双体船的航行姿态和稳定性能的一种有效手段。并可为小水线面双体船的3维流体力学理论计算,性能预报模型提供验证,修正基础依据。文章并提供了一种依据试验方法去确定小水线面双体船姿态控制鳍面积的方法。

SWATH hydrodynamic property research by model test

Five SWATH restrained models be tested to analyse the ship's posture in speeding by force analyzing, and compared with towing model test. They are corresponded well especially at middle and low speed (Fn<0.48). It is proved that the restrained model test is an effect means based force analysis to study SWATH's posture and stability in voyage. It is obvious that the work may provide the checking and perfecting base for SWATH's 3D model hydrodynamic calculation research. A method based on model test to determine proper fin area to control the SWATH's posture also be presented.