[{"data":1,"prerenderedAt":143},["ShallowReactive",2],{"article-\u002Fzh\u002Facademy\u002Faerodynamics":3},{"id":4,"title":5,"body":6,"description":134,"extension":135,"meta":136,"navigation":138,"path":139,"seo":140,"stem":141,"__hash__":142},"docs\u002Fzh\u002Facademy\u002Faerodynamics.md","新手起飞指南：空气动力学基础",{"type":7,"value":8,"toc":124},"minimark",[9,14,23,28,35,65,75,78,81,107,118,121],[10,11,13],"h2",{"id":12},"飞机为什么能飞","飞机为什么能飞？",[15,16,17,18,22],"p",{},"对于刚加入",[19,20,21],"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。",[24,25,27],"h3",{"id":26},"伯努利定律-bernoullis-principle","伯努利定律 (Bernoulli's Principle)",[15,29,30,31,34],{},"当我们观察机翼的侧面时，会发现它通常是",[19,32,33],{},"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：",[36,37,38,53],"ol",{},[39,40,41,44,45,48,49,52],"li",{},[19,42,43],{},"上表面气流","：因为表面弯曲，路程更长，所以流速",[19,46,47],{},"快","，气压",[19,50,51],{},"低","。",[39,54,55,58,59,48,62,52],{},[19,56,57],{},"下表面气流","：相对平坦，路程较短，流速",[19,60,61],{},"慢",[19,63,64],{},"高",[15,66,67,68,71,72,52],{},"根据流体力学中的伯努利定律，",[19,69,70],{},"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",[19,73,74],{},"升力 (Lift)",[10,76,77],{"id":77},"飞行的四大作用力",[15,79,80],{},"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：",[82,83,84,89,95,101],"ul",{},[39,85,86,88],{},[19,87,74],{},"：由机翼产生，向上对抗重力。",[39,90,91,94],{},[19,92,93],{},"重力 (Weight)","：地球的引力，取决于飞行器的质量。",[39,96,97,100],{},[19,98,99],{},"推力\u002F拉力 (Thrust)","：由螺旋桨或喷气发动机产生，推动飞机向前。",[39,102,103,106],{},[19,104,105],{},"阻力 (Drag)","：空气对飞行器移动产生的摩擦和压差阻力。",[15,108,109,110,113,114,117],{},"当 ",[19,111,112],{},"升力 = 重力"," 且 ",[19,115,116],{},"推力 = 阻力"," 时，飞机就能保持匀速平飞。",[10,119,120],{"id":120},"动手实践",[15,122,123],{},"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":125,"searchDepth":126,"depth":126,"links":127},"",2,[128,132,133],{"id":12,"depth":126,"text":13,"children":129},[130],{"id":26,"depth":131,"text":27},3,{"id":77,"depth":126,"text":77},{"id":120,"depth":126,"text":120},"从伯努利定律到迎角，带你了解飞机为什么能飞上天。","md",{"date":137},"2026-09-12",true,"\u002Fzh\u002Facademy\u002Faerodynamics",{"title":5,"description":134},"zh\u002Facademy\u002Faerodynamics","oTj_kfJm-YROnvJGgYGsiII-R24ZEoX7ewvNIOPgcpQ",1790565256141]