The invention discloses an automatic design method for a parachute cord of a high gliding parafoil, which comprises the following steps: calling two-dimensional airfoil aerodynamic characteristic calculation software, and combining with a parafoil canopy aerodynamic characteristic calculation model to obtain aerodynamic characteristics of a canopy at different attack angles; determining a parachute cord mounting angle according to the relationship among the gliding angle, the attack angle and the gliding ratio by taking the maximum gliding ratio as a design target; finally, parafoil cord parameters meeting the high gliding capacity are obtained according to the parafoil cord installation angles. According to the method, aerodynamic characteristic calculation, high-gliding-ratio flight attitude design and parachute cord parameter automatic design are integrally completed, a parachute cord configuration scheme of the parafoil with the high gliding capacity can be rapidly obtained, the design precision and efficiency of the parachute cords are improved, and the method has great significance in structural design of the high-gliding parafoil.
本发明公开了一种高滑翔翼伞伞绳的自动化设计方法,调用二维翼型气动特性计算软件,结合翼伞伞衣气动特性计算模型,获得伞衣不同攻角下的气动特性;以最大滑翔比为设计目标,根据滑翔角、攻角与滑翔比的关系确定伞绳安装角;最后根据伞绳安装角得到满足高滑翔能力的翼伞伞绳参数。本发明将气动特性计算、高滑翔比飞行姿态设计及伞绳参数自动设计集成一体化完成,可快速得到具有高滑翔能力翼伞的伞绳配置方案,提高了翼伞伞绳设计的精度和效率,对高滑翔翼伞的结构设计有重要意义。
Automatic design method for parachute cords of high-gliding parafoil
一种高滑翔翼伞伞绳的自动化设计方法
2022-07-22
Patent
Electronic Resource
Chinese
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