某地效翼船气动特性数值模拟及流场显示
Pneumatic Numerical Simulation and Flow Field Display of WIG Craft
摘要: 为获得地效翼船更多的流场信息，采用数值计算方法，主要研究某型翼船在地效区内、外的纵向气动特性。全船攻角计算范围为−4˚~12˚，重点将计算结果通过曲线图、压力云图和流线图等方式进行数据可视化处理，直观展示地效翼船复杂的流场特征，并对翼船在有、无地效时的气动特性差异做定性分析。通过对比，数值计算与试验结果较符合，结果表明：地效翼船受地效影响显著，升阻比提高，且在一定攻角变化范围内，随着攻角的增大地面效应对地效翼船气动特性和空间流场的影响也增大。
Abstract: In order to obtain more flow field information, the numerical calculation method is used to study the longitudinal aerodynamic characteristics of a wing ship inside and outside the land area. The calculation angle of attack is −4˚ - 12˚, respectively. The results are analyzed by the curve, pressure cloud, streamline and so on, which could display the complex flow field characteristics of the WIG craft visually, and qualitative analysis of the aerodynamic characteristics of the wing ship in the presence and absence. By contrast, the numerical calculation is close to the experimental results. The results show that the influence of the ground effect on its aerodynamic characteristics increases with the increase of the angle of attack.
文章引用：郑惠文, 张召明. 某地效翼船气动特性数值模拟及流场显示[J]. 流体动力学, 2018, 6(4): 69-77. https://doi.org/10.12677/IJFD.2018.64009

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