{"id":695415,"date":"2024-11-14T05:34:11","date_gmt":"2024-11-14T04:34:11","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=695415"},"modified":"2024-11-14T05:34:11","modified_gmt":"2024-11-14T04:34:11","slug":"khi-dong-luc-hoc-cua-cac-phuong-tien-bay","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/khi-dong-luc-hoc-cua-cac-phuong-tien-bay\/","title":{"rendered":"Kh\u00ed \u0111\u1ed9ng l\u1ef1c h\u1ecdc c\u1ee7a c\u00e1c ph\u01b0\u01a1ng ti\u1ec7n bay"},"content":{"rendered":"

Kh\u00ed \u0111\u1ed9ng l\u1ef1c h\u1ecdc c\u1ee7a c\u00e1c ph\u01b0\u01a1ng ti\u1ec7n bay: Kh\u00e1m ph\u00e1 nguy\u00ean l\u00fd v\u1eadn h\u00e0nh v\u00e0 hi\u1ec7u qu\u1ea3 kh\u00ed \u0111\u1ed9ng l\u1ef1c h\u1ecdc trong thi\u1ebft k\u1ebf v\u00e0 ho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u00e1y bay v\u00e0 t\u00e0u v\u0169 tr\u1ee5.<\/p>\n

\"Kh\u00ed<\/p>\n

Kh\u00ed \u0111\u1ed9ng l\u1ef1c h\u1ecdc c\u1ee7a c\u00e1c ph\u01b0\u01a1ng ti\u1ec7n bay<\/h2>\n

Kh\u00ed \u0111\u1ed9ng l\u1ef1c h\u1ecdc l\u00e0 m\u1ed9t nh\u00e1nh c\u1ee7a c\u01a1 h\u1ecdc ch\u1ea5t l\u1ecfng, nghi\u00ean c\u1ee9u v\u1ec1 chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a kh\u00f4ng kh\u00ed v\u00e0 c\u00e1c t\u01b0\u01a1ng t\u00e1c c\u1ee7a n\u00f3 v\u1edbi c\u00e1c b\u1ec1 m\u1eb7t r\u1eafn nh\u01b0 c\u00e1nh m\u00e1y bay, t\u00ean l\u1eeda, v\u00e0 c\u00e1c ph\u01b0\u01a1ng ti\u1ec7n bay kh\u00e1c. \u0110\u00e2y l\u00e0 l\u0129nh v\u1ef1c r\u1ea5t quan tr\u1ecdng trong ng\u00e0nh h\u00e0ng kh\u00f4ng v\u00e0 kh\u00f4ng gian v\u00ec n\u00f3 gi\u00fap thi\u1ebft k\u1ebf c\u00e1c ph\u01b0\u01a1ng ti\u1ec7n bay hi\u1ec7u qu\u1ea3, an to\u00e0n v\u00e0 ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng.<\/p>\n

Nguy\u00ean l\u00fd c\u01a1 b\u1ea3n<\/h2>\n

C\u00e1c nguy\u00ean l\u00fd c\u01a1 b\u1ea3n c\u1ee7a kh\u00ed \u0111\u1ed9ng l\u1ef1c h\u1ecdc d\u1ef1a tr\u00ean ba \u0111\u1ecbnh lu\u1eadt chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a Newton v\u00e0 \u0111\u1ecbnh lu\u1eadt b\u1ea3o to\u00e0n kh\u1ed1i l\u01b0\u1ee3ng, \u0111\u1ed9ng l\u01b0\u1ee3ng v\u00e0 n\u0103ng l\u01b0\u1ee3ng. Trong kh\u00ed \u0111\u1ed9ng l\u1ef1c h\u1ecdc, ta th\u01b0\u1eddng xem x\u00e9t hai l\u1ef1c ch\u00ednh t\u00e1c \u0111\u1ed9ng l\u00ean v\u1eadt th\u1ec3 bay:<\/p>\n

<\/p>\n

  • L\u1ef1c n\u00e2ng (Lift):<\/b> \u0110\u00e2y l\u00e0 l\u1ef1c tr\u1ef1c ti\u1ebfp \u0111\u1ea9y ph\u01b0\u01a1ng ti\u1ec7n bay l\u00ean cao, ch\u1ee7 y\u1ebfu t\u1ea1o ra t\u1eeb h\u00ecnh d\u1ea1ng c\u00e1nh v\u00e0 s\u1ef1 ch\u00eanh l\u1ec7ch \u00e1p su\u1ea5t gi\u1eefa m\u1eb7t tr\u00ean v\u00e0 d\u01b0\u1edbi c\u1ee7a c\u00e1nh.<\/li>\n
  • L\u1ef1c k\u00e9o (Drag):<\/b> \u0110\u00e2y l\u00e0 l\u1ef1c c\u1ea3n tr\u1edf chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a ph\u01b0\u01a1ng ti\u1ec7n bay, bao g\u1ed3m l\u1ef1c c\u1ea3n t\u1eeb kh\u00f4ng kh\u00ed v\u00e0 l\u1ef1c c\u1ea3n t\u1eeb ma s\u00e1t.<\/li>\n

    <\/u1><\/p>\n

    \u0110\u1ecbnh l\u00fd Bernoulli<\/h2>\n

    \u0110\u1ecbnh l\u00fd Bernoulli l\u00e0 c\u01a1 s\u1edf l\u00fd thuy\u1ebft quan tr\u1ecdng trong kh\u00ed \u0111\u1ed9ng l\u1ef1c h\u1ecdc, ph\u00e1t bi\u1ec3u r\u1eb1ng:<\/p>\n

    P + \\(\\frac{1}{2}\\) * \\(\\rho\\) * v2<\/sup> + \\(\\rho\\) * g * h = constant<\/p>\n

    Trong \u0111\u00f3:<\/p>\n

    <\/p>\n

  • P: \u00c1p su\u1ea5t t\u0129nh<\/li>\n
  • \\(\\rho\\): M\u1eadt \u0111\u1ed9 ch\u1ea5t l\u1ecfng (trong tr\u01b0\u1eddng h\u1ee3p n\u00e0y l\u00e0 kh\u00f4ng kh\u00ed)<\/li>\n
  • v: V\u1eadn t\u1ed1c c\u1ee7a ch\u1ea5t l\u1ecfng<\/li>\n
  • g: Gia t\u1ed1c tr\u1ecdng tr\u01b0\u1eddng<\/li>\n
  • h: \u0110\u1ed9 cao<\/li>\n

    <\/u1><\/p>\n

    \u0110\u1ecbnh l\u00fd n\u00e0y gi\u00fap gi\u1ea3i th\u00edch t\u1ea1i sao \u00e1p su\u1ea5t gi\u1ea3m khi v\u1eadn t\u1ed1c kh\u00f4ng kh\u00ed t\u0103ng l\u00ean quanh c\u00e1nh m\u00e1y bay, t\u1ea1o ra l\u1ef1c n\u00e2ng \u0111\u1ec3 duy tr\u00ec m\u00e1y bay trong kh\u00f4ng trung.<\/p>\n

    \u1ee8ng d\u1ee5ng c\u1ee7a kh\u00ed \u0111\u1ed9ng l\u1ef1c h\u1ecdc<\/h2>\n

    Kh\u00ed \u0111\u1ed9ng l\u1ef1c h\u1ecdc c\u00f3 nhi\u1ec1u \u1ee9ng d\u1ee5ng trong th\u1ef1c t\u1ebf, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong thi\u1ebft k\u1ebf v\u00e0 v\u1eadn h\u00e0nh c\u00e1c ph\u01b0\u01a1ng ti\u1ec7n bay:<\/p>\n

    <\/p>\n

  • M\u00e1y bay th\u01b0\u01a1ng m\u1ea1i:<\/b> Kh\u00ed \u0111\u1ed9ng l\u1ef1c h\u1ecdc gi\u00fap t\u1ed1i \u01b0u h\u00f3a h\u00ecnh d\u1ea1ng c\u00e1nh v\u00e0 th\u00e2n m\u00e1y bay nh\u1eb1m gi\u1ea3m l\u1ef1c k\u00e9o v\u00e0 t\u0103ng hi\u1ec7u qu\u1ea3 n\u0103ng l\u01b0\u1ee3ng.<\/li>\n
  • T\u00ean l\u1eeda:<\/b> Kh\u00ed \u0111\u1ed9ng l\u1ef1c h\u1ecdc gi\u00fap thi\u1ebft k\u1ebf c\u1ea5u tr\u00fac v\u00e0 h\u1ec7 th\u1ed1ng ki\u1ec3m so\u00e1t t\u00ean l\u1eeda \u0111\u1ec3 ch\u00fang bay ch\u00ednh x\u00e1c v\u00e0 \u1ed5n \u0111\u1ecbnh qua kh\u00ed quy\u1ec1n v\u00e0 kh\u00f4ng gian.<\/li>\n
  • Drone:<\/b> Kh\u00ed \u0111\u1ed9ng l\u1ef1c h\u1ecdc gi\u00fap c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t bay v\u00e0 t\u0103ng th\u1eddi gian bay cho c\u00e1c drone s\u1eed d\u1ee5ng trong gi\u00e1m s\u00e1t, quay phim ho\u1eb7c giao h\u00e0ng.<\/li>\n

    <\/u1><\/p>\n

    K\u1ebft lu\u1eadn<\/h2>\n

    Kh\u00ed \u0111\u1ed9ng l\u1ef1c h\u1ecdc l\u00e0 m\u1ed9t l\u0129nh v\u1ef1c quan tr\u1ecdng v\u00e0 ph\u1ee9c t\u1ea1p trong ng\u00e0nh h\u00e0ng kh\u00f4ng v\u00e0 kh\u00f4ng gian. Hi\u1ec3u bi\u1ebft v\u1ec1 kh\u00ed \u0111\u1ed9ng l\u1ef1c h\u1ecdc kh\u00f4ng ch\u1ec9 gi\u00fap thi\u1ebft k\u1ebf c\u00e1c ph\u01b0\u01a1ng ti\u1ec7n bay an to\u00e0n v\u00e0 hi\u1ec7u qu\u1ea3 m\u00e0 c\u00f2n \u0111\u00f3ng g\u00f3p v\u00e0o s\u1ef1 ti\u1ebfn b\u1ed9 c\u1ee7a khoa h\u1ecdc v\u00e0 c\u00f4ng ngh\u1ec7 trong nhi\u1ec1u l\u0129nh v\u1ef1c kh\u00e1c.<\/p>\n","protected":false},"excerpt":{"rendered":"

    Kh\u00ed \u0111\u1ed9ng l\u1ef1c h\u1ecdc c\u1ee7a c\u00e1c ph\u01b0\u01a1ng ti\u1ec7n bay: Kh\u00e1m ph\u00e1 nguy\u00ean l\u00fd v\u1eadn h\u00e0nh v\u00e0 hi\u1ec7u qu\u1ea3 kh\u00ed \u0111\u1ed9ng l\u1ef1c h\u1ecdc trong thi\u1ebft k\u1ebf v\u00e0 ho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u00e1y bay v\u00e0 t\u00e0u v\u0169 tr\u1ee5.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[132],"tags":[],"yoast_head":"\nKh\u00ed \u0111\u1ed9ng l\u1ef1c h\u1ecdc c\u1ee7a c\u00e1c ph\u01b0\u01a1ng ti\u1ec7n bay<\/title>\n<meta name=\"description\" content=\"Kh\u00ed \u0111\u1ed9ng l\u1ef1c h\u1ecdc c\u1ee7a c\u00e1c ph\u01b0\u01a1ng ti\u1ec7n bay: Kh\u00e1m ph\u00e1 nguy\u00ean l\u00fd v\u1eadn h\u00e0nh v\u00e0 hi\u1ec7u qu\u1ea3 kh\u00ed \u0111\u1ed9ng l\u1ef1c h\u1ecdc trong thi\u1ebft k\u1ebf v\u00e0 ho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u00e1y bay v\u00e0 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