INFLUENCE OF GROUND EFFECT ON THE AERODYNAMIC CHARACTERISTICS OF A HIGH ASPECT-RATIO CATAMARAN VESSEL

机译：地面效应对高纵横比双体船的气动特性的影响

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The influence of ground effect on a high aspect ratio catamaran model with an aerofoil shaped superstructure was experimentally tested. Lift, drag and pitching moment were measured as a function of ground clearance. Data were obtained from surface pressure tappings at several spanwise positions and a 2-axis force balance connected to the model hulls through the test-section floor. Optimum lift/drag ratio was observed at value of surface clearance slightly greater than those used in current high speed ferry designs.

机译：实验测试了地面效应对具有翼型形上部结构的高长宽比双体船模型的影响。测量升力，阻力和俯仰力矩作为离地间隙的函数。数据是从几个跨度位置的表面压力攻丝以及通过测试截面底板连接到模型船体的2轴力平衡获得的。在表面间隙值略大于当前高速渡轮设计中使用的值的情况下，观察到最佳的升/降比。

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《Australasian fluid mechanics conference;AFMC》|1998年|p.503-506|共4页
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Henry K. H. Ma; Gregory J. Walker; Alan D. Henderson;
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中图分类机械、仪表工业;
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INFLUENCE OF GROUND EFFECT ON THE AERODYNAMIC CHARACTERISTICS OF A HIGH ASPECT-RATIO CATAMARAN VESSEL

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