{"id":696539,"date":"2024-09-03T22:46:49","date_gmt":"2024-09-03T21:46:49","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=696539"},"modified":"2024-09-03T22:46:49","modified_gmt":"2024-09-03T21:46:49","slug":"dong-luc-hoc-dong-khi-bui","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/dong-luc-hoc-dong-khi-bui\/","title":{"rendered":"\u0110\u1ed9ng l\u1ef1c h\u1ecdc d\u00f2ng kh\u00ed b\u1ee5i"},"content":{"rendered":"<p class=\"sidekick\">\u0110\u1ed9ng l\u1ef1c h\u1ecdc d\u00f2ng kh\u00ed b\u1ee5i: t\u00ecm hi\u1ec3u c\u01a1 ch\u1ebf v\u1eadn \u0111\u1ed9ng c\u1ee7a h\u1ea1t b\u1ee5i trong kh\u00f4ng kh\u00ed v\u00e0 \u1ee9ng d\u1ee5ng trong c\u00e1c h\u1ec7 th\u1ed1ng x\u1eed l\u00fd m\u00f4i tr\u01b0\u1eddng.<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/dong_luc_hoc_dong_khi_bui.png\" alt=\"\u0110\u1ed9ng l\u1ef1c h\u1ecdc d\u00f2ng kh\u00ed b\u1ee5i\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>\u0110\u1ed9ng L\u1ef1c H\u1ecdc D\u00f2ng Kh\u00ed B\u1ee5i<\/h2>\n<p>\u0110\u1ed9ng l\u1ef1c h\u1ecdc d\u00f2ng kh\u00ed b\u1ee5i l\u00e0 m\u1ed9t ng\u00e0nh c\u1ee7a nhi\u1ec7t \u0111\u1ed9ng h\u1ecdc nghi\u00ean c\u1ee9u v\u1ec1 ch\u1ea5t kh\u00ed c\u00f3 ch\u1ee9a c\u00e1c h\u1ea1t b\u1ee5i. \u0110i\u1ec1u n\u00e0y kh\u00f4ng ch\u1ec9 bao g\u1ed3m vi\u1ec7c m\u00f4 t\u1ea3 chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a c\u00e1c h\u1ea1t b\u1ee5i trong d\u00f2ng kh\u00ed m\u00e0 c\u00f2n xem x\u00e9t c\u00e1c t\u01b0\u01a1ng t\u00e1c gi\u1eefa c\u00e1c h\u1ea1t b\u1ee5i v\u00e0 m\u00f4i tr\u01b0\u1eddng xung quanh ch\u00fang.<\/p>\n<h2>C\u00e1c Y\u1ebfu T\u1ed1 \u1ea2nh H\u01b0\u1edfng<\/h2>\n<p><u1><\/p>\n<li><b>K\u00edch th\u01b0\u1edbc v\u00e0 m\u1eadt \u0111\u1ed9 h\u1ea1t b\u1ee5i:<\/b> C\u00e1c h\u1ea1t b\u1ee5i c\u00f3 k\u00edch th\u01b0\u1edbc v\u00e0 m\u1eadt \u0111\u1ed9 kh\u00e1c nhau s\u1ebd c\u00f3 c\u00e1ch t\u01b0\u01a1ng t\u00e1c v\u1edbi d\u00f2ng kh\u00ed kh\u00e1c nhau.<\/li>\n<li><b>T\u1ed1c \u0111\u1ed9 d\u00f2ng kh\u00ed:<\/b> T\u1ed1c \u0111\u1ed9 c\u1ee7a d\u00f2ng kh\u00ed \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn l\u1ef1c k\u00e9o t\u00e1c d\u1ee5ng l\u00ean h\u1ea1t b\u1ee5i, quy\u1ebft \u0111\u1ecbnh c\u00e1ch ch\u00fang di chuy\u1ec3n.<\/li>\n<li><b>\u0110\u1ed9 nh\u1edbt c\u1ee7a kh\u00ed:<\/b> \u0110\u1ed9 nh\u1edbt c\u1ee7a kh\u00ed \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn l\u1ef1c c\u1ea3n l\u00ean h\u1ea1t b\u1ee5i, l\u00e0m thay \u0111\u1ed5i \u0111\u1ed9ng h\u1ecdc c\u1ee7a ch\u00fang.<\/li>\n<p><\/u1><\/p>\n<h2>C\u00e1c Ph\u01b0\u01a1ng Tr\u00ecnh C\u01a1 B\u1ea3n<\/h2>\n<p>C\u00f3 m\u1ed9t s\u1ed1 ph\u01b0\u01a1ng tr\u00ecnh quan tr\u1ecdng th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 m\u00f4 t\u1ea3 \u0111\u1ed9ng l\u1ef1c h\u1ecdc c\u1ee7a d\u00f2ng kh\u00ed b\u1ee5i. M\u1ed9t trong nh\u1eefng ph\u01b0\u01a1ng tr\u00ecnh c\u01a1 b\u1ea3n l\u00e0 ph\u01b0\u01a1ng tr\u00ecnh v\u1eadn t\u1ed1c c\u1ee7a h\u1ea1t b\u1ee5i trong d\u00f2ng kh\u00ed:<\/p>\n<p>\\( a = \\frac{F}{m} \\)<\/p>\n<p>Trong \u0111\u00f3:<\/p>\n<p><u1><\/p>\n<li>\\( a \\): gia t\u1ed1c c\u1ee7a h\u1ea1t b\u1ee5i (m\/s<sup>2<\/sup>)<\/li>\n<li>\\( F \\): l\u1ef1c t\u00e1c d\u1ee5ng l\u00ean h\u1ea1t b\u1ee5i (N)<\/li>\n<li>\\( m \\): kh\u1ed1i l\u01b0\u1ee3ng h\u1ea1t b\u1ee5i (kg)<\/li>\n<p><\/u1><\/p>\n<p>M\u1ed9t ph\u01b0\u01a1ng tr\u00ecnh kh\u00e1c l\u00e0 ph\u01b0\u01a1ng tr\u00ecnh Stokes, m\u00f4 t\u1ea3 l\u1ef1c c\u1ea3n do \u0111\u1ed9 nh\u1edbt c\u1ee7a ch\u1ea5t l\u1ecfng l\u00ean h\u1ea1t b\u1ee5i:<\/p>\n<p>\\( F_d = 6 \\pi \\mu r v \\)<\/p>\n<p>Trong \u0111\u00f3:<\/p>\n<p><u1><\/p>\n<li>\\( F_d \\): l\u1ef1c c\u1ea3n (N)<\/li>\n<li>\\( \\mu \\): \u0111\u1ed9 nh\u1edbt \u0111\u1ed9ng l\u1ef1c h\u1ecdc c\u1ee7a kh\u00ed (Pa\u00b7s)<\/li>\n<li>\\( r \\): b\u00e1n k\u00ednh c\u1ee7a h\u1ea1t b\u1ee5i (m)<\/li>\n<li>\\( v \\): v\u1eadn t\u1ed1c c\u1ee7a h\u1ea1t b\u1ee5i \u0111\u1ed1i v\u1edbi d\u00f2ng kh\u00ed (m\/s)<\/li>\n<p><\/u1><\/p>\n<h2>\u1ee8ng D\u1ee5ng Th\u1ef1c Ti\u1ec5n<\/h2>\n<p>Hi\u1ec3u \u0111\u01b0\u1ee3c \u0111\u1ed9ng l\u1ef1c h\u1ecdc d\u00f2ng kh\u00ed b\u1ee5i c\u00f3 nhi\u1ec1u \u1ee9ng d\u1ee5ng trong \u0111\u1eddi s\u1ed1ng v\u00e0 k\u1ef9 thu\u1eadt:<\/p>\n<p><u1><\/p>\n<li><b>Qu\u1ea3n l\u00fd ch\u1ea5t l\u01b0\u1ee3ng kh\u00f4ng kh\u00ed:<\/b> Gi\u00fap ki\u1ec3m so\u00e1t v\u00e0 gi\u1ea3m thi\u1ec3u \u00f4 nhi\u1ec5m kh\u00f4ng kh\u00ed b\u1eb1ng c\u00e1ch d\u1ef1 \u0111o\u00e1n v\u00e0 ki\u1ec3m so\u00e1t s\u1ef1 lan truy\u1ec1n c\u1ee7a c\u00e1c h\u1ea1t b\u1ee5i.<\/li>\n<li><b>Thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng l\u1ecdc kh\u00ed:<\/b> H\u1ed7 tr\u1ee3 trong vi\u1ec7c ph\u00e1t tri\u1ec3n c\u00e1c h\u1ec7 th\u1ed1ng l\u1ecdc kh\u00ed hi\u1ec7u qu\u1ea3 \u0111\u1ec3 lo\u1ea1i b\u1ecf c\u00e1c h\u1ea1t b\u1ee5i \u0111\u1ed9c h\u1ea1i.<\/li>\n<li><b>K\u1ef9 thu\u1eadt m\u00f4i tr\u01b0\u1eddng:<\/b> \u00c1p d\u1ee5ng trong c\u00e1c c\u00f4ng tr\u00ecnh x\u1eed l\u00fd ch\u1ea5t th\u1ea3i v\u00e0 ki\u1ec3m so\u00e1t s\u1ef1 ph\u00e1t t\u00e1n c\u1ee7a h\u1ea1t b\u1ee5i trong m\u00f4i tr\u01b0\u1eddng.<\/li>\n<p><\/u1><\/p>\n<h2>K\u1ebft Lu\u1eadn<\/h2>\n<p>\u0110\u1ed9ng l\u1ef1c h\u1ecdc d\u00f2ng kh\u00ed b\u1ee5i l\u00e0 m\u1ed9t l\u0129nh v\u1ef1c quan tr\u1ecdng trong nhi\u1ec7t \u0111\u1ed9ng h\u1ecdc v\u00e0 k\u1ef9 thu\u1eadt, cung c\u1ea5p nh\u1eefng c\u01a1 s\u1edf khoa h\u1ecdc \u0111\u1ec3 gi\u1ea3i quy\u1ebft c\u00e1c v\u1ea5n \u0111\u1ec1 li\u00ean quan \u0111\u1ebfn \u00f4 nhi\u1ec5m kh\u00f4ng kh\u00ed v\u00e0 b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng. Vi\u1ec7c n\u1eafm v\u1eefng c\u00e1c nguy\u00ean l\u00fd c\u01a1 b\u1ea3n c\u1ee7a l\u0129nh v\u1ef1c n\u00e0y s\u1ebd gi\u00fap ch\u00fang ta c\u1ea3i thi\u1ec7n ch\u1ea5t l\u01b0\u1ee3ng kh\u00f4ng kh\u00ed v\u00e0 m\u00f4i tr\u01b0\u1eddng s\u1ed1ng c\u1ee7a con ng\u01b0\u1eddi.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u0110\u1ed9ng l\u1ef1c h\u1ecdc d\u00f2ng kh\u00ed b\u1ee5i: t\u00ecm hi\u1ec3u c\u01a1 ch\u1ebf v\u1eadn \u0111\u1ed9ng c\u1ee7a h\u1ea1t b\u1ee5i trong kh\u00f4ng kh\u00ed v\u00e0 \u1ee9ng d\u1ee5ng trong c\u00e1c h\u1ec7 th\u1ed1ng x\u1eed l\u00fd m\u00f4i tr\u01b0\u1eddng.<\/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>\u0110\u1ed9ng l\u1ef1c h\u1ecdc d\u00f2ng kh\u00ed 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