{"id":708151,"date":"2024-10-20T00:13:57","date_gmt":"2024-10-19T23:13:57","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=708151"},"modified":"2024-10-20T00:13:57","modified_gmt":"2024-10-19T23:13:57","slug":"canh-may-bay-tao-ra-luc-nang-nhu-the-nao","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/canh-may-bay-tao-ra-luc-nang-nhu-the-nao\/","title":{"rendered":"C\u00e1nh M\u00e1y Bay T\u1ea1o Ra L\u1ef1c N\u00e2ng Nh\u01b0 Th\u1ebf N\u00e0o?"},"content":{"rendered":"<p class=\"sidekick\">C\u00e1nh M\u00e1y Bay T\u1ea1o Ra L\u1ef1c N\u00e2ng Nh\u01b0 Th\u1ebf N\u00e0o: C\u00e1ch lu\u1ed3ng kh\u00ed di chuy\u1ec3n quanh c\u00e1nh m\u00e1y bay t\u1ea1o ra l\u1ef1c n\u00e2ng, gi\u00fap m\u00e1y bay bay l\u00ean v\u00e0 duy tr\u00ec \u0111\u1ed9 cao.<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/canh_may_bay_tao_ra_luc_nang_nhu_the_nao.png\" alt=\"C\u00e1nh M\u00e1y Bay T\u1ea1o Ra L\u1ef1c N\u00e2ng Nh\u01b0 Th\u1ebf N\u00e0o?\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>C\u00e1nh M\u00e1y Bay T\u1ea1o Ra L\u1ef1c N\u00e2ng Nh\u01b0 Th\u1ebf N\u00e0o?<\/h2>\n<p>L\u1ef1c n\u00e2ng l\u00e0 y\u1ebfu t\u1ed1 quan tr\u1ecdng gi\u00fap m\u00e1y bay duy tr\u00ec chuy\u1ebfn bay tr\u00ean kh\u00f4ng trung. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd gi\u1ea3i th\u00edch c\u00e1ch c\u00e1nh m\u00e1y bay t\u1ea1o ra l\u1ef1c n\u00e2ng, gi\u00fap m\u1ecdi ng\u01b0\u1eddi hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 c\u01a1 ch\u1ebf ho\u1ea1t \u0111\u1ed9ng c\u1ee7a ch\u00fang.<\/p>\n<h2>Nguy\u00ean L\u00fd Bernoulli<\/h2>\n<p>M\u1ed9t trong nh\u1eefng nguy\u00ean l\u00fd c\u01a1 b\u1ea3n li\u00ean quan \u0111\u1ebfn l\u1ef1c n\u00e2ng l\u00e0 Nguy\u00ean L\u00fd Bernoulli. Theo nguy\u00ean l\u00fd n\u00e0y, \u00e1p su\u1ea5t c\u1ee7a ch\u1ea5t l\u1ecfng (ho\u1eb7c kh\u00f4ng kh\u00ed) gi\u1ea3m khi t\u1ed1c \u0111\u1ed9 d\u00f2ng ch\u1ea3y t\u0103ng. C\u00e1nh m\u00e1y bay \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf v\u1edbi h\u00ecnh d\u1ea1ng kh\u00ed \u0111\u1ed9ng h\u1ecdc, th\u01b0\u1eddng l\u00e0 d\u1ea1ng c\u00e1nh cung, l\u00e0m cho kh\u00f4ng kh\u00ed chuy\u1ec3n \u0111\u1ed9ng nhanh h\u01a1n qua ph\u00eda tr\u00ean c\u00e1nh v\u00e0 ch\u1eadm h\u01a1n qua ph\u00eda d\u01b0\u1edbi. S\u1ef1 ch\u00eanh l\u1ec7ch n\u00e0y t\u1ea1o ra \u00e1p su\u1ea5t th\u1ea5p h\u01a1n \u1edf ph\u00eda tr\u00ean v\u00e0 \u00e1p su\u1ea5t cao h\u01a1n \u1edf ph\u00eda d\u01b0\u1edbi, t\u1ea1o ra l\u1ef1c n\u00e2ng.<\/p>\n<ul>\n<li>\u00c1p su\u1ea5t ph\u00eda tr\u00ean th\u1ea5p h\u01a1n<\/li>\n<li>\u00c1p su\u1ea5t ph\u00eda d\u01b0\u1edbi cao h\u01a1n<\/li>\n<li>L\u1ef1c n\u00e2ng \u0111\u1ea9y c\u00e1nh l\u00ean ph\u00eda tr\u00ean<\/li>\n<\/ul>\n<h2>G\u00f3c T\u1ea5n C\u00f4ng<\/h2>\n<p>G\u00f3c t\u1ea5n c\u00f4ng (angle of attack) c\u0169ng l\u00e0 y\u1ebfu t\u1ed1 quan tr\u1ecdng trong vi\u1ec7c sinh ra l\u1ef1c n\u00e2ng. G\u00f3c t\u1ea5n c\u00f4ng l\u00e0 g\u00f3c gi\u1eefa d\u00e2y cung c\u1ee7a c\u00e1nh v\u00e0 h\u01b0\u1edbng gi\u00f3. Khi t\u0103ng g\u00f3c t\u1ea5n c\u00f4ng, l\u01b0u l\u01b0\u1ee3ng kh\u00f4ng kh\u00ed ph\u00eda tr\u00ean c\u00e1nh t\u0103ng, l\u00e0m t\u0103ng th\u00eam l\u1ef1c n\u00e2ng cho \u0111\u1ebfn m\u1ed9t \u0111i\u1ec3m m\u00e0 c\u00f3 th\u1ec3 g\u00e2y ra hi\u1ec7n t\u01b0\u1ee3ng b\u1ecb ch\u00f2ng ch\u00e0nh (stall).<\/p>\n<ol>\n<li>G\u00f3c t\u1ea5n c\u00f4ng nh\u1ecf: l\u1ef1c n\u00e2ng nh\u1ecf<\/li>\n<li>G\u00f3c t\u1ea5n c\u00f4ng l\u1edbn v\u1eeba \u0111\u1ee7: l\u1ef1c n\u00e2ng t\u1ed1i \u01b0u<\/li>\n<li>G\u00f3c t\u1ea5n c\u00f4ng qu\u00e1 l\u1edbn: b\u1ecb ch\u00f2ng ch\u00e0nh, l\u1ef1c n\u00e2ng gi\u1ea3m<\/li>\n<\/ol>\n<h2>C\u00f4ng Th\u1ee9c T\u00ednh L\u1ef1c N\u00e2ng<\/h2>\n<p>L\u1ef1c n\u00e2ng (L) c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u00ednh b\u1eb1ng c\u00f4ng th\u1ee9c:<\/p>\n<p>L = \\(\\frac{1}{2}\\) * \u03c1 * v<sup>2<\/sup> * S * C<sub>L<\/sub><\/p>\n<p>Trong \u0111\u00f3:<\/p>\n<ul>\n<li>\u03c1: m\u1eadt \u0111\u1ed9 kh\u00f4ng kh\u00ed<\/li>\n<li>v: v\u1eadn t\u1ed1c d\u00f2ng kh\u00f4ng kh\u00ed<\/li>\n<li>S: di\u1ec7n t\u00edch c\u00e1nh<\/li>\n<li>C<sub>L<\/sub>: h\u1ec7 s\u1ed1 l\u1ef1c n\u00e2ng, ph\u1ee5 thu\u1ed9c v\u00e0o g\u00f3c t\u1ea5n c\u00f4ng v\u00e0 h\u00ecnh d\u1ea1ng c\u00e1nh<\/li>\n<\/ul>\n<h2>K\u1ebft Lu\u1eadn<\/h2>\n<p>Qua b\u00e0i vi\u1ebft n\u00e0y, ch\u00fang ta \u0111\u00e3 t\u00ecm hi\u1ec3u v\u1ec1 c\u00e1ch c\u00e1nh m\u00e1y bay t\u1ea1o ra l\u1ef1c n\u00e2ng qua Nguy\u00ean L\u00fd Bernoulli v\u00e0 g\u00f3c t\u1ea5n c\u00f4ng. Hi\u1ec3u r\u00f5 c\u00e1c y\u1ebfu t\u1ed1 n\u00e0y s\u1ebd gi\u00fap ch\u00fang ta hi\u1ec3u th\u00eam v\u1ec1 c\u01a1 ch\u1ebf ho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u00e1y bay v\u00e0 \u1ee9ng d\u1ee5ng c\u1ee7a n\u00f3 trong th\u1ef1c t\u1ebf.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>C\u00e1nh M\u00e1y Bay T\u1ea1o Ra L\u1ef1c N\u00e2ng Nh\u01b0 Th\u1ebf N\u00e0o: C\u00e1ch lu\u1ed3ng kh\u00ed di chuy\u1ec3n quanh c\u00e1nh m\u00e1y bay t\u1ea1o ra l\u1ef1c n\u00e2ng, gi\u00fap m\u00e1y bay bay l\u00ean v\u00e0 duy tr\u00ec \u0111\u1ed9 cao.<\/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":"<!-- This site is optimized with the Yoast SEO plugin v15.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>C\u00e1nh M\u00e1y Bay T\u1ea1o Ra L\u1ef1c N\u00e2ng Nh\u01b0 Th\u1ebf N\u00e0o?<\/title>\n<meta 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