{"id":708572,"date":"2024-09-23T23:15:34","date_gmt":"2024-09-23T22:15:34","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=708572"},"modified":"2024-09-23T23:15:34","modified_gmt":"2024-09-23T22:15:34","slug":"canh-quat-tao-ra-luc-day-nhu-the-nao","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/canh-quat-tao-ra-luc-day-nhu-the-nao\/","title":{"rendered":"C\u00e1nh Qu\u1ea1t T\u1ea1o Ra L\u1ef1c \u0110\u1ea9y Nh\u01b0 Th\u1ebf N\u00e0o?"},"content":{"rendered":"

C\u00e1nh qu\u1ea1t t\u1ea1o l\u1ef1c \u0111\u1ea9y b\u1eb1ng c\u00e1ch chuy\u1ec3n \u0111\u1ed9ng quay, g\u00e2y ra lu\u1ed3ng kh\u00f4ng kh\u00ed nhanh h\u01a1n v\u00e0 \u00e1p l\u1ef1c ch\u00eanh l\u1ec7ch, t\u1ea1o ra l\u1ef1c \u0111\u1ea9y gi\u00fap thi\u1ebft b\u1ecb di chuy\u1ec3n.<\/p>\n

\"C\u00e1nh<\/p>\n

C\u00e1nh Qu\u1ea1t T\u1ea1o Ra L\u1ef1c \u0110\u1ea9y Nh\u01b0 Th\u1ebf N\u00e0o?<\/h2>\n

C\u00e1nh qu\u1ea1t, hay c\u00f2n g\u1ecdi l\u00e0 c\u00e1nh \u0111\u1ea9y, l\u00e0 m\u1ed9t b\u1ed9 ph\u1eadn quan tr\u1ecdng trong nhi\u1ec1u lo\u1ea1i ph\u01b0\u01a1ng ti\u1ec7n giao th\u00f4ng, \u0111\u1eb7c bi\u1ec7t l\u00e0 m\u00e1y bay v\u00e0 t\u00e0u th\u1ee7y. C\u00e1nh qu\u1ea1t t\u1ea1o ra l\u1ef1c \u0111\u1ea9y, gi\u00fap ph\u01b0\u01a1ng ti\u1ec7n di chuy\u1ec3n v\u1ec1 ph\u00eda tr\u01b0\u1edbc. V\u1eady c\u00e1nh qu\u1ea1t ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o \u0111\u1ec3 t\u1ea1o ra l\u1ef1c \u0111\u1ea9y? H\u00e3y c\u00f9ng t\u00ecm hi\u1ec3u nh\u00e9!<\/p>\n

Nguy\u00ean L\u00fd Ho\u1ea1t \u0110\u1ed9ng C\u1ee7a C\u00e1nh Qu\u1ea1t<\/h2>\n

Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a c\u00e1nh qu\u1ea1t d\u1ef1a tr\u00ean \u0111\u1ecbnh lu\u1eadt \u0111\u1ed9ng l\u1ef1c h\u1ecdc c\u1ee7a Newton. Khi c\u00e1nh qu\u1ea1t quay, n\u00f3 t\u1ea1o ra hai lu\u1ed3ng kh\u00f4ng kh\u00ed ho\u1eb7c n\u01b0\u1edbc di chuy\u1ec3n tr\u00e1i ng\u01b0\u1ee3c nhau. L\u1ef1c \u0111\u1ea9y \u0111\u01b0\u1ee3c t\u1ea1o ra khi c\u00f3 s\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 \u00e1p su\u1ea5t gi\u1eefa m\u1eb7t tr\u01b0\u1edbc v\u00e0 m\u1eb7t sau c\u1ee7a c\u00e1nh qu\u1ea1t.<\/p>\n

<\/p>\n

  • Nguy\u00ean L\u00fd \u0110\u1ed9ng L\u1ef1c H\u1ecdc Newton:<\/b> \u0110\u1ecbnh lu\u1eadt th\u1ee9 ba c\u1ee7a Newton gi\u1ea3i th\u00edch r\u1eb1ng m\u1ed7i l\u1ef1c t\u00e1c \u0111\u1ed9ng s\u1ebd c\u00f3 m\u1ed9t l\u1ef1c ph\u1ea3n kh\u00e1ng c\u00f3 c\u00f9ng \u0111\u1ed9 l\u1edbn nh\u01b0ng ng\u01b0\u1ee3c chi\u1ec1u. Khi c\u00e1nh qu\u1ea1t \u0111\u1ea9y kh\u00f4ng kh\u00ed ho\u1eb7c n\u01b0\u1edbc ra ph\u00eda sau, m\u1ed9t l\u1ef1c ph\u1ea3n kh\u00e1ng t\u01b0\u01a1ng \u0111\u01b0\u01a1ng s\u1ebd \u0111\u1ea9y ph\u01b0\u01a1ng ti\u1ec7n v\u1ec1 ph\u00eda tr\u01b0\u1edbc.<\/li>\n
  • S\u1ef1 Ch\u00eanh L\u1ec7ch \u00c1p Su\u1ea5t:<\/b> Khi c\u00e1nh qu\u1ea1t quay, n\u00f3 t\u1ea1o ra s\u1ef1 ch\u00eanh l\u1ec7ch \u00e1p su\u1ea5t gi\u1eefa hai m\u1eb7t c\u1ee7a c\u00e1nh qu\u1ea1t. \u1ede m\u1eb7t tr\u01b0\u1edbc, \u00e1p su\u1ea5t kh\u00f4ng kh\u00ed ho\u1eb7c n\u01b0\u1edbc s\u1ebd th\u1ea5p h\u01a1n so v\u1edbi m\u1eb7t sau, t\u1ea1o ra m\u1ed9t l\u1ef1c \u0111\u1ea9y v\u1ec1 ph\u00eda tr\u01b0\u1edbc.<\/li>\n

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

    Thi\u1ebft K\u1ebf C\u00e1nh Qu\u1ea1t<\/h2>\n

    Thi\u1ebft k\u1ebf c\u1ee7a c\u00e1nh qu\u1ea1t \u1ea3nh h\u01b0\u1edfng r\u1ea5t l\u1edbn \u0111\u1ebfn hi\u1ec7u su\u1ea5t v\u00e0 kh\u1ea3 n\u0103ng t\u1ea1o ra l\u1ef1c \u0111\u1ea9y. C\u00e1c y\u1ebfu t\u1ed1 quan tr\u1ecdng trong thi\u1ebft k\u1ebf c\u00e1nh qu\u1ea1t bao g\u1ed3m:<\/p>\n

    <\/p>\n

  • G\u00f3c T\u1ea5n C\u00f4ng (Angle of Attack):<\/b> G\u00f3c gi\u1eefa c\u00e1nh qu\u1ea1t v\u00e0 h\u01b0\u1edbng chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a kh\u00f4ng kh\u00ed ho\u1eb7c n\u01b0\u1edbc. G\u00f3c t\u1ea5n c\u00f4ng l\u1edbn gi\u00fap t\u1ea1o ra l\u1ef1c \u0111\u1ea9y m\u1ea1nh h\u01a1n, nh\u01b0ng qu\u00e1 l\u1edbn c\u00f3 th\u1ec3 g\u00e2y ra hi\u1ec7n t\u01b0\u1ee3ng d\u1eebng (stall).<\/li>\n
  • H\u00ecnh D\u1ea1ng C\u00e1nh:<\/b> C\u00e1nh qu\u1ea1t th\u01b0\u1eddng c\u00f3 h\u00ecnh d\u1ea1ng kh\u00ed \u0111\u1ed9ng h\u1ecdc, gi\u1ed1ng nh\u01b0 c\u00e1nh m\u00e1y bay, nh\u1eb1m gi\u1ea3m l\u1ef1c c\u1ea3n v\u00e0 t\u1ed1i \u01b0u h\u00f3a l\u1ef1c \u0111\u1ea9y.<\/li>\n
  • S\u1ed1 L\u01b0\u1ee3ng C\u00e1nh:<\/b> S\u1ed1 l\u01b0\u1ee3ng c\u00e1nh qu\u1ea1t \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u su\u1ea5t v\u00e0 \u0111\u1ed9 b\u1ec1n c\u1ee7a h\u1ec7 th\u1ed1ng. C\u00e1nh qu\u1ea1t \u00edt s\u1ebd gi\u1ea3m l\u1ef1c c\u1ea3n nh\u01b0ng c\u00f3 th\u1ec3 g\u00e2y rung \u0111\u1ed9ng m\u1ea1nh h\u01a1n.<\/li>\n

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

    C\u00f4ng Th\u1ee9c T\u00ednh L\u1ef1c \u0110\u1ea9y<\/h2>\n

    L\u1ef1c \u0111\u1ea9y \\(F\\) \u0111\u01b0\u1ee3c t\u00ednh b\u1eb1ng c\u00f4ng th\u1ee9c sau:<\/p>\n

    \\[ F = \\dot{m} \\cdot V_e + (P_e – P_a) \\cdot A_e \\]\n

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

    <\/p>\n

  • \\(\\dot{m}\\): L\u01b0u l\u01b0\u1ee3ng kh\u1ed1i kh\u00ed ho\u1eb7c n\u01b0\u1edbc \u0111i qua c\u00e1nh qu\u1ea1t (kg\/s)<\/li>\n
  • \\(V_e\\): V\u1eadn t\u1ed1c d\u00f2ng kh\u00ed ho\u1eb7c n\u01b0\u1edbc ra kh\u1ecfi c\u00e1nh qu\u1ea1t (m\/s)<\/li>\n
  • \\(P_e\\): \u00c1p su\u1ea5t \u0111\u1ea7u ra (Pa)<\/li>\n
  • \\(P_a\\): \u00c1p su\u1ea5t xung quanh (Pa)<\/li>\n
  • \\(A_e\\): Di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t c\u00e1nh qu\u1ea1t (m\u00b2)<\/li>\n

    <\/o1><\/p>\n

    \u1ee8ng D\u1ee5ng Th\u1ef1c T\u1ebf<\/h2>\n

    C\u00e1nh qu\u1ea1t \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong nhi\u1ec1u lo\u1ea1i ph\u01b0\u01a1ng ti\u1ec7n v\u00e0 thi\u1ebft b\u1ecb:<\/p>\n

    <\/p>\n

  • M\u00e1y Bay:<\/b> C\u00e1nh qu\u1ea1t m\u00e1y bay gi\u00fap \u0111\u1ea9y kh\u00f4ng kh\u00ed v\u1ec1 ph\u00eda sau, t\u1ea1o ra l\u1ef1c n\u00e2ng v\u00e0 l\u1ef1c \u0111\u1ea9y gi\u00fap m\u00e1y bay bay l\u00ean v\u00e0 di chuy\u1ec3n v\u1ec1 ph\u00eda tr\u01b0\u1edbc.<\/li>\n
  • T\u00e0u Th\u1ee7y:<\/b> C\u00e1nh qu\u1ea1t t\u00e0u th\u1ee7y \u0111\u1ea9y n\u01b0\u1edbc ra ph\u00eda sau, t\u1ea1o ra l\u1ef1c \u0111\u1ea9y \u0111\u1ea9y t\u00e0u \u0111i v\u1ec1 ph\u00eda tr\u01b0\u1edbc.<\/li>\n
  • Drone:<\/b> C\u00e1nh qu\u1ea1t tr\u00ean drone gi\u00fap \u0111i\u1ec1u khi\u1ec3n h\u01b0\u1edbng \u0111i v\u00e0 \u0111\u1ed9 cao b\u1eb1ng c\u00e1ch thay \u0111\u1ed5i t\u1ed1c \u0111\u1ed9 quay c\u1ee7a t\u1eebng c\u00e1nh qu\u1ea1t.<\/li>\n

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

    Nh\u01b0 v\u1eady, qua b\u00e0i vi\u1ebft n\u00e0y, hy v\u1ecdng r\u1eb1ng b\u1ea1n \u0111\u00e3 hi\u1ec3u h\u01a1n v\u1ec1 c\u00e1ch c\u00e1nh qu\u1ea1t t\u1ea1o ra l\u1ef1c \u0111\u1ea9y. \u0110\u00e2y l\u00e0 m\u1ed9t \u1ee9ng d\u1ee5ng tuy\u1ec7t v\u1eddi c\u1ee7a c\u00e1c nguy\u00ean l\u00fd v\u1eadt l\u00fd v\u00e0 k\u1ef9 thu\u1eadt, gi\u00fap ch\u00fang ta di chuy\u1ec3n d\u1ec5 d\u00e0ng v\u00e0 hi\u1ec7u qu\u1ea3 h\u01a1n trong cu\u1ed9c s\u1ed1ng h\u00e0ng ng\u00e0y.<\/p>\n","protected":false},"excerpt":{"rendered":"

    C\u00e1nh qu\u1ea1t t\u1ea1o l\u1ef1c \u0111\u1ea9y b\u1eb1ng c\u00e1ch chuy\u1ec3n \u0111\u1ed9ng quay, g\u00e2y ra lu\u1ed3ng kh\u00f4ng kh\u00ed nhanh h\u01a1n v\u00e0 \u00e1p l\u1ef1c ch\u00eanh l\u1ec7ch, t\u1ea1o ra l\u1ef1c \u0111\u1ea9y gi\u00fap thi\u1ebft b\u1ecb di chuy\u1ec3n.<\/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":"\nC\u00e1nh Qu\u1ea1t T\u1ea1o Ra L\u1ef1c \u0110\u1ea9y Nh\u01b0 Th\u1ebf N\u00e0o?<\/title>\n<meta name=\"description\" content=\"C\u00e1nh qu\u1ea1t t\u1ea1o l\u1ef1c \u0111\u1ea9y b\u1eb1ng c\u00e1ch chuy\u1ec3n \u0111\u1ed9ng quay, g\u00e2y ra lu\u1ed3ng kh\u00f4ng kh\u00ed nhanh h\u01a1n v\u00e0 \u00e1p l\u1ef1c ch\u00eanh l\u1ec7ch, t\u1ea1o ra l\u1ef1c \u0111\u1ea9y gi\u00fap thi\u1ebft b\u1ecb di chuy\u1ec3n.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, 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