{"id":681610,"date":"2024-08-17T22:05:04","date_gmt":"2024-08-17T21:05:04","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=681610"},"modified":"2024-08-17T22:05:04","modified_gmt":"2024-08-17T21:05:04","slug":"7-loai-luc-can-trong-dong-luc-hoc-chat-long-va-khi-dong-hoc","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/7-loai-luc-can-trong-dong-luc-hoc-chat-long-va-khi-dong-hoc\/","title":{"rendered":"7 Lo\u1ea1i L\u1ef1c C\u1ea3n Trong \u0110\u1ed9ng L\u1ef1c H\u1ecdc Ch\u1ea5t L\u1ecfng V\u00e0 Kh\u00ed \u0110\u1ed9ng H\u1ecdc"},"content":{"rendered":"<p class=\"sidekick\">Lo\u1ea1i L\u1ef1c C\u1ea3n Trong \u0110\u1ed9ng L\u1ef1c H\u1ecdc Ch\u1ea5t L\u1ecfng V\u00e0 Kh\u00ed \u0110\u1ed9ng H\u1ecdc: t\u00ecm hi\u1ec3u 7 lo\u1ea1i l\u1ef1c c\u1ea3n ph\u1ed5 bi\u1ebfn trong \u0111\u1ed9ng l\u1ef1c h\u1ecdc ch\u1ea5t l\u1ecfng v\u00e0 kh\u00ed \u0111\u1ed9ng h\u1ecdc.<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/7_loai_luc_can_trong_dong_luc_hoc_chat_long_va_khi_dong_hoc.png\" alt=\"7 Lo\u1ea1i L\u1ef1c C\u1ea3n Trong \u0110\u1ed9ng L\u1ef1c H\u1ecdc Ch\u1ea5t L\u1ecfng V\u00e0 Kh\u00ed \u0110\u1ed9ng H\u1ecdc\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>7 Lo\u1ea1i L\u1ef1c C\u1ea3n Trong \u0110\u1ed9ng L\u1ef1c H\u1ecdc Ch\u1ea5t L\u1ecfng V\u00e0 Kh\u00ed \u0110\u1ed9ng H\u1ecdc<\/h2>\n<p>Trong l\u0129nh v\u1ef1c \u0111\u1ed9ng l\u1ef1c h\u1ecdc ch\u1ea5t l\u1ecfng v\u00e0 kh\u00ed \u0111\u1ed9ng h\u1ecdc, l\u1ef1c c\u1ea3n \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c x\u00e1c \u0111\u1ecbnh chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a ch\u1ea5t l\u1ecfng v\u00e0 kh\u00ed qua c\u00e1c m\u00f4i tr\u01b0\u1eddng kh\u00e1c nhau. Hi\u1ec3u r\u00f5 v\u1ec1 c\u00e1c lo\u1ea1i l\u1ef1c c\u1ea3n n\u00e0y gi\u00fap k\u1ef9 s\u01b0 thi\u1ebft k\u1ebf v\u00e0 t\u1ed1i \u01b0u h\u00f3a c\u00e1c h\u1ec7 th\u1ed1ng nh\u01b0 m\u00e1y bay, t\u00e0u th\u1ee7y, v\u00e0 c\u00e1c \u1ed1ng d\u1eabn ch\u1ea5t l\u1ecfng. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 7 lo\u1ea1i l\u1ef1c c\u1ea3n ph\u1ed5 bi\u1ebfn nh\u1ea5t:<\/p>\n<ul>\n<li><strong>L\u1ef1c c\u1ea3n nh\u1edbt (Viscous Drag)<\/strong><\/li>\n<p>L\u1ef1c c\u1ea3n nh\u1edbt x\u1ea3y ra do s\u1ef1 ma s\u00e1t n\u1ed9i t\u1ea1i gi\u1eefa c\u00e1c l\u1edbp ch\u1ea5t l\u1ecfng khi ch\u00fang chuy\u1ec3n \u0111\u1ed9ng t\u01b0\u01a1ng \u0111\u1ed1i v\u1edbi nhau. \u0110\u1eb7c \u0111i\u1ec3m c\u1ee7a lo\u1ea1i l\u1ef1c c\u1ea3n n\u00e0y l\u00e0 ph\u1ee5 thu\u1ed9c v\u00e0o \u0111\u1ed9 nh\u1edbt c\u1ee7a ch\u1ea5t l\u1ecfng.<\/p>\n<li><strong>L\u1ef1c c\u1ea3n h\u01b0\u1edbng (Form Drag)<\/strong><\/li>\n<p>Lo\u1ea1i l\u1ef1c c\u1ea3n n\u00e0y x\u1ea3y ra do s\u1ef1 kh\u00e1c bi\u1ec7t \u00e1p su\u1ea5t \u1edf ph\u00eda tr\u01b0\u1edbc v\u00e0 sau v\u1eadt th\u1ec3 khi ch\u1ea5t l\u1ecfng ho\u1eb7c kh\u00ed chuy\u1ec3n \u0111\u1ed9ng qua n\u00f3. Thi\u1ebft k\u1ebf kh\u00ed \u0111\u1ed9ng h\u1ecdc c\u00f3 th\u1ec3 gi\u1ea3m thi\u1ec3u l\u1ef1c c\u1ea3n h\u01b0\u1edbng n\u00e0y.<\/p>\n<li><strong>L\u1ef1c c\u1ea3n b\u1ec1 m\u1eb7t (Surface Drag)<\/strong><\/li>\n<p>L\u1ef1c c\u1ea3n b\u1ec1 m\u1eb7t li\u00ean quan \u0111\u1ebfn b\u1ec1 m\u1eb7t c\u1ee7a v\u1eadt th\u1ec3 ti\u1ebfp x\u00fac v\u1edbi d\u00f2ng ch\u1ea5t l\u1ecfng. B\u1ec1 m\u1eb7t ph\u1eb3ng, m\u1ecbn s\u1ebd t\u1ea1o \u00edt l\u1ef1c c\u1ea3n h\u01a1n so v\u1edbi b\u1ec1 m\u1eb7t th\u00f4 r\u00e1p ho\u1eb7c kh\u00f4ng \u0111\u1ec1u.<\/p>\n<li><strong>L\u1ef1c c\u1ea3n s\u00f3ng (Wave Drag)<\/strong><\/li>\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c v\u1eadt th\u1ec3 di chuy\u1ec3n trong m\u00f4i tr\u01b0\u1eddng ch\u1ea5t l\u1ecfng, l\u1ef1c c\u1ea3n s\u00f3ng xu\u1ea5t hi\u1ec7n do s\u1ef1 h\u00ecnh th\u00e0nh c\u00e1c s\u00f3ng tr\u00ean b\u1ec1 m\u1eb7t ch\u1ea5t l\u1ecfng. \u0110i\u1ec1u n\u00e0y th\u01b0\u1eddng th\u1ea5y \u1edf t\u00e0u th\u1ee7y v\u00e0 c\u00e1c ph\u01b0\u01a1ng ti\u1ec7n di chuy\u1ec3n tr\u00ean m\u1eb7t n\u01b0\u1edbc. L\u1ef1c c\u1ea3n n\u00e0y t\u0103ng l\u00ean nhanh ch\u00f3ng khi t\u1ed1c \u0111\u1ed9 \u0111\u1ea1t \u0111\u1ebfn v\u00e0 v\u01b0\u1ee3t qua v\u1eadn t\u1ed1c s\u00f3ng.<\/p>\n<li><strong>L\u1ef1c c\u1ea3n c\u1eadn \u00e2m (Transonic Drag)<\/strong><\/li>\n<p>Lo\u1ea1i l\u1ef1c c\u1ea3n n\u00e0y xu\u1ea5t hi\u1ec7n khi t\u1ed1c \u0111\u1ed9 c\u1ee7a v\u1eadt th\u1ec3 ti\u1ec7m c\u1eadn v\u1eadn t\u1ed1c \u00e2m thanh, th\u01b0\u1eddng l\u00e0 trong kho\u1ea3ng t\u1eeb Mach 0.8 \u0111\u1ebfn Mach 1.0. \u0110\u1eb7c \u0111i\u1ec3m c\u1ee7a l\u1ef1c c\u1ea3n n\u00e0y l\u00e0 s\u1ef1 gia t\u0103ng \u0111\u1ed9t ng\u1ed9t do s\u1ef1 thay \u0111\u1ed5i trong d\u00f2ng ch\u1ea3y kh\u00ed.<\/p>\n<li><strong>L\u1ef1c c\u1ea3n si\u00eau \u00e2m (Supersonic Drag)<\/strong><\/li>\n<p>Khi v\u1eadt th\u1ec3 di chuy\u1ec3n v\u1edbi t\u1ed1c \u0111\u1ed9 v\u01b0\u1ee3t qua v\u1eadn t\u1ed1c \u00e2m thanh (tr\u00ean Mach 1), l\u1ef1c c\u1ea3n si\u00eau \u00e2m tr\u1edf th\u00e0nh y\u1ebfu t\u1ed1 ch\u00ednh. Lo\u1ea1i l\u1ef1c c\u1ea3n n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c nghi\u00ean c\u1ee9u trong thi\u1ebft k\u1ebf m\u00e1y bay v\u00e0 t\u00ean l\u1eeda si\u00eau thanh.<\/p>\n<li><strong>L\u1ef1c c\u1ea3n nhi\u1ec7t (Thermal Drag)<\/strong><\/li>\n<p>L\u1ef1c c\u1ea3n nhi\u1ec7t li\u00ean quan \u0111\u1ebfn s\u1ef1 trao \u0111\u1ed5i nhi\u1ec7t gi\u1eefa v\u1eadt th\u1ec3 v\u00e0 m\u00f4i tr\u01b0\u1eddng xung quanh khi v\u1eadt th\u1ec3 di chuy\u1ec3n. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u su\u1ea5t c\u1ee7a c\u00e1c h\u1ec7 th\u1ed1ng nh\u01b0 \u0111\u1ed9ng c\u01a1 nhi\u1ec7t v\u00e0 thi\u1ebft b\u1ecb l\u00e0m m\u00e1t.<\/p>\n<\/ul>\n<p>Vi\u1ec7c hi\u1ec3u v\u00e0 qu\u1ea3n l\u00fd c\u00e1c lo\u1ea1i l\u1ef1c c\u1ea3n n\u00e0y l\u00e0 c\u1ed1t l\u00f5i trong vi\u1ec7c t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t v\u00e0 thi\u1ebft k\u1ebf c\u1ee7a c\u00e1c h\u1ec7 th\u1ed1ng v\u1eadn h\u00e0nh trong c\u1ea3 m\u00f4i tr\u01b0\u1eddng ch\u1ea5t l\u1ecfng v\u00e0 kh\u00ed. Nh\u1edd v\u00e0o nghi\u00ean c\u1ee9u v\u00e0 ph\u00e1t tri\u1ec3n, c\u00e1c k\u1ef9 s\u01b0 c\u00f3 th\u1ec3 \u0111\u01b0a ra nh\u1eefng c\u1ea3i ti\u1ebfn \u0111\u00e1ng k\u1ec3 trong vi\u1ec7c gi\u1ea3m thi\u1ec3u l\u1ef1c c\u1ea3n v\u00e0 n\u0103ng l\u01b0\u1ee3ng ti\u00eau hao.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Lo\u1ea1i L\u1ef1c C\u1ea3n Trong \u0110\u1ed9ng L\u1ef1c H\u1ecdc Ch\u1ea5t L\u1ecfng V\u00e0 Kh\u00ed \u0110\u1ed9ng H\u1ecdc: t\u00ecm hi\u1ec3u 7 lo\u1ea1i l\u1ef1c c\u1ea3n ph\u1ed5 bi\u1ebfn trong \u0111\u1ed9ng l\u1ef1c h\u1ecdc ch\u1ea5t l\u1ecfng v\u00e0 kh\u00ed \u0111\u1ed9ng h\u1ecdc.<\/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>7 Lo\u1ea1i L\u1ef1c C\u1ea3n Trong 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