飞翼布局运输机气动设计方法研究

Aerodynamic Design of Flying Wing Transport

由于飞翼布局的运输机具有结构强度、气动效率、总体装载以及RCS隐身等方面的优良特性,它成为未来大型运输机的气动布局方案中最引人关注的一种布局形式。以0.85马赫为巡航设计点,设计了一架起飞总重在250吨左右,最大载重量在50吨,最大航程在8000公里以上的飞翼布局运输机。通过采用Eu ler方程数值解法进行气动特性评估,在初始设计方案的基础上进行进一步的改进设计,有效地提高了初始方案的升阻特性和力矩特性。最终设计结果表明提出的设计思路具有一定的可行性和适用性。

Since transporters of flying wing configuration have excellent performance in structure, aerodynamic, capacity and stealth, etc. , the flying wing configuration seems to be one of the most promising concepts for future high capacity transporters. In this paper, as cruising at 0.85, a flying wing transporter of 250t take - off weight, 50t payload and 8000km range is deigned. By using Euler equations solver as an aerodynamic evaluation tool, the original design is developed to improve the aerodynamic performance. The final design shows that the design idea of this paper is feasible.