[{"data":1,"prerenderedAt":144},["ShallowReactive",2],{"academy-list-en":3},[4],{"id":5,"title":6,"body":7,"description":135,"extension":136,"meta":137,"navigation":139,"path":140,"seo":141,"stem":142,"__hash__":143},"docs\u002Fen\u002Facademy\u002Faerodynamics.md","新手起飞指南：空气动力学基础",{"type":8,"value":9,"toc":125},"minimark",[10,15,24,29,36,66,76,79,82,108,119,122],[11,12,14],"h2",{"id":13},"飞机为什么能飞","飞机为什么能飞？",[16,17,18,19,23],"p",{},"对于刚加入",[20,21,22],"strong",{},"科创飞行社","的同学来说，最常见的疑问就是：“那么重的铁疙瘩，为什么能飞上天？”\n答案藏在机翼的截面形状（翼型）里。",[25,26,28],"h3",{"id":27},"伯努利定律-bernoullis-principle","伯努利定律 (Bernoulli's Principle)",[16,30,31,32,35],{},"当我们观察机翼的侧面时，会发现它通常是",[20,33,34],{},"上凸下平","的。\n当空气流过机翼时，前缘会将气流分成上下两部分：",[37,38,39,54],"ol",{},[40,41,42,45,46,49,50,53],"li",{},[20,43,44],{},"上表面气流","：因为表面弯曲，路程更长，所以流速",[20,47,48],{},"快","，气压",[20,51,52],{},"低","。",[40,55,56,59,60,49,63,53],{},[20,57,58],{},"下表面气流","：相对平坦，路程较短，流速",[20,61,62],{},"慢",[20,64,65],{},"高",[16,67,68,69,72,73,53],{},"根据流体力学中的伯努利定律，",[20,70,71],{},"流速越快的地方，压强越小","。这种机翼上下表面的压力差，就产生了一种向上的托力，我们称之为",[20,74,75],{},"升力 (Lift)",[11,77,78],{"id":78},"飞行的四大作用力",[16,80,81],{},"无论是航模、无人机还是真实的客机，在空中都受制于以下四个力：",[83,84,85,90,96,102],"ul",{},[40,86,87,89],{},[20,88,75],{},"：由机翼产生，向上对抗重力。",[40,91,92,95],{},[20,93,94],{},"重力 (Weight)","：地球的引力，取决于飞行器的质量。",[40,97,98,101],{},[20,99,100],{},"推力\u002F拉力 (Thrust)","：由螺旋桨或喷气发动机产生，推动飞机向前。",[40,103,104,107],{},[20,105,106],{},"阻力 (Drag)","：空气对飞行器移动产生的摩擦和压差阻力。",[16,109,110,111,114,115,118],{},"当 ",[20,112,113],{},"升力 = 重力"," 且 ",[20,116,117],{},"推力 = 阻力"," 时，飞机就能保持匀速平飞。",[11,120,121],{"id":121},"动手实践",[16,123,124],{},"在接下来的社团活动中，技术研发部的学长会带大家使用 KT 板亲手制作一架初级滑翔机，亲自感受重心的调整对飞行姿态的影响！",{"title":126,"searchDepth":127,"depth":127,"links":128},"",2,[129,133,134],{"id":13,"depth":127,"text":14,"children":130},[131],{"id":27,"depth":132,"text":28},3,{"id":78,"depth":127,"text":78},{"id":121,"depth":127,"text":121},"从伯努利定律到迎角，带你了解飞机为什么能飞上天。","md",{"date":138},"2026-09-12",true,"\u002Fen\u002Facademy\u002Faerodynamics",{"title":6,"description":135},"en\u002Facademy\u002Faerodynamics","lYg711zi8otX1oQrjBJooLy7UhQV72JDTupejbVML2I",1790565256032]