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美国《航空周刊》网站报道,空中客车公司“珍珠2”滑翔机9月3日在阿根廷安第斯山脉试飞期间创造了52172英尺(约合16000米)的无动力飞行高度记录,法国研制团队表示他们的最终目标是挑战90000英尺(约合27000米)飞行高度。
法国“珍珠2”无人机
创造新世界纪录的两名飞行员
“珍珠”滑翔机起飞需要利用小型运动飞机拖曳升空
报道称,这架翼展82英尺(约25米)的滑翔机能够创造这一纪录,是利用了9月初南美洲上空形成的高山同温层气流。这个合适的气象条件是在空客“珍珠2”实验团队结束2017年南方冬季测试项目并返回美国内华达州基地前几天突然出现的。这次飞行也创造了“珍珠2”滑翔机留空时间记录,达到了6.6小时。创造记录的机长是吉姆·佩恩而副驾驶是摩根·桑德库克。
这次飞行对于空客公司“珍珠”团队至关重要,他们计划利用安第斯山脉的气流达到更高的飞行高度,在南极圈附近的季节性高空喷流速度可达260节(约481公里/小时)。利用这一现象,研制团队希望达到稳定的飞行高度,这样“珍珠”滑翔机就可以长时间停留在高空并支持对气象变化、辐射对飞行员的影响,以及在低密度大气,例如火星环境中,飞机的气动特性。
高空飞行的“珍珠2”滑翔机
“珍珠”滑翔机飞行原理
这次创纪录飞行打破了2006年“珍珠”滑翔机创造的记录,该团队此前几周都想要创造新的飞行记录,但始终苦于气象条件不理想。
据报道,试飞团队表示他们在今年内希望将飞行包线扩展到飞行高度60000-65000英尺(约18000米-20000米)。
责任编辑:高宗影 CN060
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