{"id":696213,"date":"2024-11-20T12:59:47","date_gmt":"2024-11-20T11:59:47","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=696213"},"modified":"2024-11-20T12:59:47","modified_gmt":"2024-11-20T11:59:47","slug":"dong-chay-chat-long-trong-khung-xop-cho-ky-thuat-mo","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/dong-chay-chat-long-trong-khung-xop-cho-ky-thuat-mo\/","title":{"rendered":"D\u00f2ng ch\u1ea3y ch\u1ea5t l\u1ecfng trong khung x\u1ed1p cho k\u1ef9 thu\u1eadt m\u00f4"},"content":{"rendered":"<p class=\"sidekick\">D\u00f2ng ch\u1ea3y ch\u1ea5t l\u1ecfng trong khung x\u1ed1p cho k\u1ef9 thu\u1eadt m\u00f4: C\u00e1ch ch\u1ea5t l\u1ecfng di chuy\u1ec3n qua khung x\u1ed1p gi\u00fap c\u1ea3i thi\u1ec7n k\u1ef9 thu\u1eadt m\u00f4 v\u00e0 \u1ee9ng d\u1ee5ng trong y h\u1ecdc t\u00e1i t\u1ea1o.<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/dong_chay_chat_long_trong_khung_xop_cho_ky_thuat_mo.png\" alt=\"D\u00f2ng ch\u1ea3y ch\u1ea5t l\u1ecfng trong khung x\u1ed1p cho k\u1ef9 thu\u1eadt m\u00f4\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>D\u00f2ng ch\u1ea3y ch\u1ea5t l\u1ecfng trong khung x\u1ed1p cho k\u1ef9 thu\u1eadt m\u00f4<\/h2>\n<p>K\u1ef9 thu\u1eadt m\u00f4 l\u00e0 m\u1ed9t l\u0129nh v\u1ef1c nghi\u00ean c\u1ee9u li\u00ean ng\u00e0nh k\u1ebft h\u1ee3p gi\u1eefa sinh h\u1ecdc, h\u00f3a h\u1ecdc, v\u1eadt l\u00fd v\u00e0 k\u1ef9 thu\u1eadt \u0111\u1ec3 t\u00e1i t\u1ea1o ho\u1eb7c c\u1ea3i thi\u1ec7n ch\u1ee9c n\u0103ng c\u1ee7a c\u00e1c m\u00f4 v\u00e0 c\u01a1 quan trong c\u01a1 th\u1ec3. M\u1ed9t trong nh\u1eefng y\u1ebfu t\u1ed1 then ch\u1ed1t trong k\u1ef9 thu\u1eadt m\u00f4 l\u00e0 vi\u1ec7c cung c\u1ea5p d\u01b0\u1ee1ng ch\u1ea5t v\u00e0 oxy cho c\u00e1c t\u1ebf b\u00e0o trong m\u00f4i tr\u01b0\u1eddng m\u00f4 nh\u00e2n t\u1ea1o. Khung x\u1ed1p (scaffold) \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00e1c \u1ee9ng d\u1ee5ng n\u00e0y do kh\u1ea3 n\u0103ng cung c\u1ea5p m\u1ed9t b\u1ec1 m\u1eb7t l\u1edbn cho t\u1ebf b\u00e0o b\u00e1m v\u00e0o v\u00e0 ph\u00e1t tri\u1ec3n.<\/p>\n<h2>Khung x\u1ed1p v\u00e0 vai tr\u00f2 c\u1ee7a ch\u00fang<\/h2>\n<p>Khung x\u1ed1p trong k\u1ef9 thu\u1eadt m\u00f4 th\u01b0\u1eddng \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf v\u1edbi c\u1ea5u tr\u00fac r\u1ed7ng v\u00e0 c\u00f3 \u0111\u1ed9 x\u1ed1p cao \u0111\u1ec3 t\u1ed1i \u01b0u h\u00f3a vi\u1ec7c v\u1eadn chuy\u1ec3n d\u01b0\u1ee1ng ch\u1ea5t. Ch\u00fang gi\u00fap \u0111\u1ea3m b\u1ea3o r\u1eb1ng c\u00e1c t\u1ebf b\u00e0o b\u00ean trong khung x\u1ed1p nh\u1eadn \u0111\u01b0\u1ee3c \u0111\u1ee7 d\u01b0\u1ee1ng ch\u1ea5t v\u00e0 oxy c\u1ea7n thi\u1ebft cho s\u1ef1 ph\u00e1t tri\u1ec3n. \u0110\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c m\u1ee5c ti\u00eau n\u00e0y, vi\u1ec7c hi\u1ec3u r\u00f5 d\u00f2ng ch\u1ea3y ch\u1ea5t l\u1ecfng trong khung x\u1ed1p l\u00e0 c\u1ef1c k\u1ef3 quan tr\u1ecdng.<\/p>\n<h2>D\u00f2ng ch\u1ea3y trong khung x\u1ed1p<\/h2>\n<p>D\u00f2ng ch\u1ea3y ch\u1ea5t l\u1ecfng trong khung x\u1ed1p tu\u00e2n theo c\u00e1c nguy\u00ean l\u00fd c\u01a1 b\u1ea3n c\u1ee7a c\u01a1 h\u1ecdc ch\u1ea5t l\u1ecfng, nh\u01b0ng c\u00f3 nh\u1eefng y\u1ebfu t\u1ed1 \u0111\u1eb7c bi\u1ec7t li\u00ean quan \u0111\u1ebfn c\u1ea5u tr\u00fac x\u1ed1p. M\u1ed9t s\u1ed1 y\u1ebfu t\u1ed1 quan tr\u1ecdng bao g\u1ed3m:<\/p>\n<ul>\n<li>\u0110\u1ed9 x\u1ed1p (porosity): T\u1ef7 l\u1ec7 gi\u1eefa th\u1ec3 t\u00edch l\u1ed7 r\u1ed7ng v\u1edbi t\u1ed5ng th\u1ec3 t\u00edch c\u1ee7a khung x\u1ed1p, \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn kh\u1ea3 n\u0103ng v\u1eadn chuy\u1ec3n ch\u1ea5t l\u1ecfng.<\/li>\n<li>K\u00edch th\u01b0\u1edbc l\u1ed7 r\u1ed7ng (pore size): K\u00edch th\u01b0\u1edbc v\u00e0 h\u00ecnh d\u1ea1ng c\u1ee7a l\u1ed7 r\u1ed7ng quy\u1ebft \u0111\u1ecbnh c\u00e1ch ch\u1ea5t l\u1ecfng di chuy\u1ec3n qua khung x\u1ed1p.<\/li>\n<li>\u00c1p su\u1ea5t d\u00f2ng ch\u1ea3y: S\u1ef1 kh\u00e1c bi\u1ec7t \u00e1p su\u1ea5t gi\u1eefa c\u00e1c \u0111i\u1ec3m kh\u00e1c nhau trong khung x\u1ed1p l\u00e0m cho ch\u1ea5t l\u1ecfng di chuy\u1ec3n.<\/li>\n<\/ul>\n<h2>C\u00e1c ph\u01b0\u01a1ng tr\u00ecnh c\u01a1 b\u1ea3n<\/h2>\n<p>Qu\u00e1 tr\u00ecnh v\u1eadn chuy\u1ec3n ch\u1ea5t l\u1ecfng trong khung x\u1ed1p th\u01b0\u1eddng \u0111\u01b0\u1ee3c m\u00f4 t\u1ea3 b\u1eb1ng ph\u01b0\u01a1ng tr\u00ecnh Darcy. Ph\u01b0\u01a1ng tr\u00ecnh n\u00e0y cho ph\u00e9p t\u00ednh to\u00e1n t\u1ed1c \u0111\u1ed9 d\u00f2ng ch\u1ea3y (Q) qua m\u1ed9t khung x\u1ed1p d\u1ef1a tr\u00ean s\u1ef1 ch\u00eanh l\u1ec7ch \u00e1p su\u1ea5t (\u0394P), \u0111\u1ed9 th\u1ea5m (k), di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t (A), v\u00e0 \u0111\u1ed9 nh\u1edbt c\u1ee7a ch\u1ea5t l\u1ecfng (\u03bc):<\/p>\n<pre>\n    Q = \\frac {k * A * \u0394P} {\u03bc * L}\n<\/pre>\n<p>Trong \u0111\u00f3, L l\u00e0 chi\u1ec1u d\u00e0i \u0111o\u1ea1n khung x\u1ed1p. Ph\u01b0\u01a1ng tr\u00ecnh n\u00e0y \u0111\u01a1n gi\u1ea3n h\u00f3a nhi\u1ec1u y\u1ebfu t\u1ed1 ph\u1ee9c t\u1ea1p trong th\u1ef1c t\u1ebf nh\u01b0ng v\u1eabn cung c\u1ea5p n\u1ec1n t\u1ea3ng quan tr\u1ecdng cho c\u00e1c nghi\u00ean c\u1ee9u s\u00e2u h\u01a1n.<\/p>\n<h2>\u1ee8ng d\u1ee5ng trong k\u1ef9 thu\u1eadt m\u00f4<\/h2>\n<p>\u1ee8ng d\u1ee5ng d\u00f2ng ch\u1ea3y trong khung x\u1ed1p trong k\u1ef9 thu\u1eadt m\u00f4 gi\u00fap t\u1ed1i \u01b0u h\u00f3a vi\u1ec7c ph\u00e1t tri\u1ec3n v\u00e0 b\u1ea3o d\u01b0\u1ee1ng c\u00e1c m\u00f4 nh\u00e2n t\u1ea1o. C\u00f3 th\u1ec3 k\u1ec3 \u0111\u1ebfn m\u1ed9t s\u1ed1 \u1ee9ng d\u1ee5ng nh\u01b0:<\/p>\n<ol>\n<li>T\u00e1i t\u1ea1o m\u00f4 x\u01b0\u01a1ng v\u00e0 s\u1ee5n: S\u1eed d\u1ee5ng khung x\u1ed1p c\u00f3 c\u1ea5u tr\u00fac ph\u00f9 h\u1ee3p v\u1edbi k\u00edch th\u01b0\u1edbc t\u1ebf b\u00e0o x\u01b0\u01a1ng v\u00e0 s\u1ee5n \u0111\u1ec3 h\u1ed7 tr\u1ee3 s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a c\u00e1c t\u1ebf b\u00e0o n\u00e0y<\/li>\n<li>In 3D sinh h\u1ecdc: T\u1ea1o ra c\u00e1c c\u1ea5u tr\u00fac ph\u1ee9c t\u1ea1p s\u1eed d\u1ee5ng khung x\u1ed1p \u0111\u1ec3 h\u1ed7 tr\u1ee3 s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a m\u00f4 trong qu\u00e1 tr\u00ecnh in 3D c\u00e1c c\u01a1 quan nh\u00e2n t\u1ea1o.<\/li>\n<\/ol>\n<h2>K\u1ebft lu\u1eadn<\/h2>\n<p>Hi\u1ec3u r\u00f5 d\u00f2ng ch\u1ea3y ch\u1ea5t l\u1ecfng trong khung x\u1ed1p l\u00e0 y\u1ebfu t\u1ed1 then ch\u1ed1t \u0111\u1ec3 ph\u00e1t tri\u1ec3n c\u00e1c \u1ee9ng d\u1ee5ng k\u1ef9 thu\u1eadt m\u00f4 hi\u1ec7u qu\u1ea3. Nh\u1edd v\u00e0o s\u1ef1 ti\u1ebfn b\u1ed9 trong nghi\u00ean c\u1ee9u v\u00e0 c\u00f4ng ngh\u1ec7, c\u00e1c khung x\u1ed1p ng\u00e0y c\u00e0ng \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf tinh vi h\u01a1n, gi\u00fap m\u1edf r\u1ed9ng ph\u1ea1m vi \u1ee9ng d\u1ee5ng c\u1ee7a k\u1ef9 thu\u1eadt m\u00f4 v\u00e0 h\u1ee9a h\u1eb9n mang l\u1ea1i nhi\u1ec1u gi\u1ea3i ph\u00e1p y h\u1ecdc \u0111\u1ed9t ph\u00e1 trong t\u01b0\u01a1ng lai.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>D\u00f2ng ch\u1ea3y ch\u1ea5t l\u1ecfng trong khung x\u1ed1p cho k\u1ef9 thu\u1eadt m\u00f4: C\u00e1ch ch\u1ea5t l\u1ecfng di chuy\u1ec3n qua khung x\u1ed1p gi\u00fap c\u1ea3i thi\u1ec7n k\u1ef9 thu\u1eadt m\u00f4 v\u00e0 \u1ee9ng d\u1ee5ng trong y h\u1ecdc t\u00e1i t\u1ea1o.<\/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 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