{"id":696137,"date":"2024-08-28T19:49:39","date_gmt":"2024-08-28T18:49:39","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=696137"},"modified":"2024-08-28T19:49:39","modified_gmt":"2024-08-28T18:49:39","slug":"dong-hoc-bot-khi-trong-chat-long","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/dong-hoc-bot-khi-trong-chat-long\/","title":{"rendered":"\u0110\u1ed9ng h\u1ecdc b\u1ecdt kh\u00ed trong ch\u1ea5t l\u1ecfng"},"content":{"rendered":"<p class=\"sidekick\">\u0110\u1ed9ng h\u1ecdc b\u1ecdt kh\u00ed trong ch\u1ea5t l\u1ecfng: T\u00ecm hi\u1ec3u v\u1ec1 qu\u00e1 tr\u00ecnh h\u00ecnh th\u00e0nh, di chuy\u1ec3n v\u00e0 \u1ea3nh h\u01b0\u1edfng nhi\u1ec7t \u0111\u1ed9, \u00e1p su\u1ea5t l\u00ean b\u1ecdt kh\u00ed trong c\u00e1c h\u1ec7 ch\u1ea5t l\u1ecfng.<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/dong_hoc_bot_khi_trong_chat_long.png\" alt=\"\u0110\u1ed9ng h\u1ecdc b\u1ecdt kh\u00ed trong ch\u1ea5t l\u1ecfng\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>\u0110\u1ed9ng h\u1ecdc B\u1ecdt Kh\u00ed trong Ch\u1ea5t L\u1ecfng<\/h2>\n<p>\u0110\u1ed9ng h\u1ecdc b\u1ecdt kh\u00ed trong ch\u1ea5t l\u1ecfng l\u00e0 m\u1ed9t ch\u1ee7 \u0111\u1ec1 quan tr\u1ecdng trong l\u0129nh v\u1ef1c nhi\u1ec7t k\u1ef9 thu\u1eadt v\u00e0 th\u1ee7y l\u1ef1c h\u1ecdc. Hi\u1ec3u bi\u1ebft v\u1ec1 c\u00e1ch c\u00e1c b\u1ecdt kh\u00ed di chuy\u1ec3n v\u00e0 t\u01b0\u01a1ng t\u00e1c trong ch\u1ea5t l\u1ecfng c\u00f3 \u1ee9ng d\u1ee5ng r\u1ed9ng r\u00e3i t\u1eeb c\u00f4ng ngh\u1ec7 x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i \u0111\u1ebfn qu\u00e1 tr\u00ecnh n\u1ea5u ch\u1ea3y kim lo\u1ea1i v\u00e0 k\u1ef9 thu\u1eadt nhi\u1ec7t.<\/p>\n<h2>C\u00e1c Y\u1ebfu T\u1ed1 \u1ea2nh H\u01b0\u1edfng \u0110\u1ebfn \u0110\u1ed9ng H\u1ecdc B\u1ecdt Kh\u00ed<\/h2>\n<ul>\n<li><strong>K\u00edch th\u01b0\u1edbc b\u1ecdt kh\u00ed:<\/strong> K\u00edch th\u01b0\u1edbc c\u1ee7a b\u1ecdt kh\u00ed \u1ea3nh h\u01b0\u1edfng l\u1edbn \u0111\u1ebfn v\u1eadn t\u1ed1c di chuy\u1ec3n. B\u1ecdt kh\u00ed l\u1edbn th\u01b0\u1eddng di chuy\u1ec3n nhanh h\u01a1n do l\u1ef1c \u0111\u1ea9y n\u1ed5i l\u1edbn h\u01a1n.<\/li>\n<li><strong>M\u1eadt \u0111\u1ed9 v\u00e0 \u0111\u1ed9 nh\u1edbt c\u1ee7a ch\u1ea5t l\u1ecfng:<\/strong> M\u1eadt \u0111\u1ed9 v\u00e0 \u0111\u1ed9 nh\u1edbt c\u1ee7a ch\u1ea5t l\u1ecfng quy\u1ebft \u0111\u1ecbnh l\u1ef1c c\u1ea3n t\u00e1c \u0111\u1ed9ng l\u00ean b\u1ecdt kh\u00ed. Ch\u1ea5t l\u1ecfng c\u00f3 \u0111\u1ed9 nh\u1edbt cao s\u1ebd l\u00e0m ch\u1eadm qu\u00e1 tr\u00ecnh di chuy\u1ec3n c\u1ee7a b\u1ecdt kh\u00ed.<\/li>\n<li><strong>T\u01b0\u01a1ng t\u00e1c gi\u1eefa c\u00e1c b\u1ecdt kh\u00ed:<\/strong> C\u00e1c b\u1ecdt kh\u00ed c\u00f3 th\u1ec3 h\u1ee3p nh\u1ea5t ho\u1eb7c t\u00e1ch ra, g\u00e2y ra bi\u1ebfn \u0111\u1ed5i trong tr\u1ea1ng th\u00e1i \u0111\u1ed9ng h\u1ecdc.<\/li>\n<\/ul>\n<h2>Ph\u01b0\u01a1ng Tr\u00ecnh v\u00e0 M\u00f4 H\u00ecnh<\/h2>\n<p>C\u00e1c nh\u00e0 khoa h\u1ecdc v\u00e0 k\u1ef9 s\u01b0 th\u01b0\u1eddng s\u1eed d\u1ee5ng nhi\u1ec1u ph\u01b0\u01a1ng tr\u00ecnh v\u00e0 m\u00f4 h\u00ecnh to\u00e1n h\u1ecdc \u0111\u1ec3 m\u00f4 t\u1ea3 \u0111\u1ed9ng h\u1ecdc b\u1ecdt kh\u00ed. M\u1ed9t trong nh\u1eefng ph\u01b0\u01a1ng tr\u00ecnh ti\u00eau bi\u1ec3u l\u00e0 ph\u01b0\u01a1ng tr\u00ecnh Stokes, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 t\u00ednh to\u00e1n l\u1ef1c c\u1ea3n l\u00ean b\u1ecdt kh\u00ed trong ch\u1ea5t l\u1ecfng:<\/p>\n<p><em>F = 6 \\pi \\eta r v<\/em><\/p>\n<p>Trong \u0111\u00f3:<\/p>\n<ul>\n<li><em>F<\/em>: L\u1ef1c c\u1ea3n<\/li>\n<li><em>\\eta<\/em>: \u0110\u1ed9 nh\u1edbt c\u1ee7a ch\u1ea5t l\u1ecfng<\/li>\n<li><em>r<\/em>: B\u00e1n k\u00ednh c\u1ee7a b\u1ecdt kh\u00ed<\/li>\n<li><em>v<\/em>: V\u1eadn t\u1ed1c c\u1ee7a b\u1ecdt kh\u00ed<\/li>\n<\/ul>\n<p>\u0110\u1ec3 m\u00f4 ph\u1ecfng \u0111\u1ed9ng h\u1ecdc b\u1ecdt kh\u00ed, ng\u01b0\u1eddi ta c\u00f2n s\u1eed d\u1ee5ng m\u00f4 h\u00ecnh CFD (Computational Fluid Dynamics) \u0111\u1ec3 ph\u00e2n t\u00edch d\u00f2ng ch\u1ea3y v\u00e0 t\u01b0\u01a1ng t\u00e1c gi\u1eefa b\u1ecdt kh\u00ed v\u00e0 ch\u1ea5t l\u1ecfng.<\/p>\n<h2>\u1ee8ng D\u1ee5ng Th\u1ef1c Ti\u1ec5n<\/h2>\n<ol>\n<li><strong>C\u00f4ng ngh\u1ec7 x\u1eed l\u00fd n\u01b0\u1edbc:<\/strong> B\u1ecdt kh\u00ed \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 lo\u1ea1i b\u1ecf t\u1ea1p ch\u1ea5t v\u00e0 kh\u00ed \u00f4 nhi\u1ec5m kh\u1ecfi n\u01b0\u1edbc.<\/li>\n<li><strong>Qu\u00e1 tr\u00ecnh c\u00f4ng nghi\u1ec7p:<\/strong> Trong c\u00e1c qu\u00e1 tr\u00ecnh nh\u01b0 n\u1ea5u ch\u1ea3y kim lo\u1ea1i ho\u1eb7c ch\u1ebf bi\u1ebfn th\u1ef1c ph\u1ea9m, s\u1ef1 ki\u1ec3m so\u00e1t b\u1ecdt kh\u00ed gi\u00fap t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng s\u1ea3n ph\u1ea9m.<\/li>\n<li><strong>Ch\u0103m s\u00f3c s\u1ee9c kh\u1ecfe:<\/strong> K\u1ef9 thu\u1eadt si\u00eau \u00e2m s\u1eed d\u1ee5ng b\u1ecdt kh\u00ed \u0111\u1ec3 \u0111i\u1ec1u tr\u1ecb c\u00e1c b\u1ec7nh l\u00fd, nh\u01b0 s\u1eed d\u1ee5ng b\u1ecdt kh\u00ed trong \u0111i\u1ec1u tr\u1ecb z\u1ec7 n\u01b0\u1edbu.<\/li>\n<\/ol>\n<h2>K\u1ebft Lu\u1eadn<\/h2>\n<p>Hi\u1ec3u bi\u1ebft v\u1ec1 \u0111\u1ed9ng h\u1ecdc b\u1ecdt kh\u00ed trong ch\u1ea5t l\u1ecfng l\u00e0 c\u1ea7n thi\u1ebft \u0111\u1ec3 ph\u00e1t tri\u1ec3n c\u00e1c c\u00f4ng ngh\u1ec7 ti\u00ean ti\u1ebfn v\u00e0 c\u1ea3i thi\u1ec7n c\u00e1c quy tr\u00ecnh c\u00f4ng nghi\u1ec7p. Vi\u1ec7c s\u1eed d\u1ee5ng c\u00e1c ph\u01b0\u01a1ng tr\u00ecnh to\u00e1n h\u1ecdc v\u00e0 m\u00f4 h\u00ecnh m\u00f4 ph\u1ecfng nh\u01b0 CFD gi\u00fap n\u1eafm b\u1eaft v\u00e0 d\u1ef1 \u0111o\u00e1n h\u00e0nh vi c\u1ee7a b\u1ecdt kh\u00ed, t\u1eeb \u0111\u00f3 t\u1ed1i \u01b0u h\u00f3a v\u00e0 n\u00e2ng cao hi\u1ec7u qu\u1ea3 trong c\u00e1c \u1ee9ng d\u1ee5ng th\u1ef1c ti\u1ec5n.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u0110\u1ed9ng h\u1ecdc b\u1ecdt kh\u00ed trong ch\u1ea5t l\u1ecfng: T\u00ecm hi\u1ec3u v\u1ec1 qu\u00e1 tr\u00ecnh h\u00ecnh th\u00e0nh, di chuy\u1ec3n v\u00e0 \u1ea3nh h\u01b0\u1edfng nhi\u1ec7t \u0111\u1ed9, \u00e1p su\u1ea5t l\u00ean b\u1ecdt kh\u00ed trong c\u00e1c h\u1ec7 ch\u1ea5t l\u1ecfng.<\/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 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