{"id":689996,"date":"2024-11-29T05:14:59","date_gmt":"2024-11-29T04:14:59","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=689996"},"modified":"2024-11-29T05:14:59","modified_gmt":"2024-11-29T04:14:59","slug":"luc-cang-be-mat-chat-long-hien-tuong-mao-dan-ung-dung","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/luc-cang-be-mat-chat-long-hien-tuong-mao-dan-ung-dung\/","title":{"rendered":"L\u1ef1c C\u0103ng B\u1ec1 M\u1eb7t Ch\u1ea5t L\u1ecfng | Hi\u1ec7n T\u01b0\u1ee3ng Mao D\u1eabn &#038; \u1ee8ng D\u1ee5ng"},"content":{"rendered":"<p class=\"sidekick\">L\u1ef1c c\u0103ng b\u1ec1 m\u1eb7t ch\u1ea5t l\u1ecfng: Hi\u1ec7n t\u01b0\u1ee3ng mao d\u1eabn v\u00e0 \u1ee9ng d\u1ee5ng trong \u0111\u1eddi s\u1ed1ng th\u1ef1c ti\u1ec5n. T\u00ecm hi\u1ec3u nguy\u00ean l\u00fd v\u00e0 c\u00e1ch \u00e1p d\u1ee5ng trong k\u1ef9 thu\u1eadt nhi\u1ec7t.<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/luc_cang_be_mat_chat_long_hien_tuong_mao_dan_ung_dung.png\" alt=\"L\u1ef1c C\u0103ng B\u1ec1 M\u1eb7t Ch\u1ea5t L\u1ecfng | Hi\u1ec7n T\u01b0\u1ee3ng Mao D\u1eabn &#038; \u1ee8ng D\u1ee5ng\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>L\u1ef1c C\u0103ng B\u1ec1 M\u1eb7t Ch\u1ea5t L\u1ecfng | Hi\u1ec7n T\u01b0\u1ee3ng Mao D\u1eabn &#038; \u1ee8ng D\u1ee5ng<\/h2>\n<p>Trong l\u0129nh v\u1ef1c nhi\u1ec7t \u0111\u1ed9ng h\u1ecdc v\u00e0 k\u1ef9 thu\u1eadt nhi\u1ec7t, l\u1ef1c c\u0103ng b\u1ec1 m\u1eb7t v\u00e0 hi\u1ec7n t\u01b0\u1ee3ng mao d\u1eabn l\u00e0 hai kh\u00e1i ni\u1ec7m c\u01a1 b\u1ea3n v\u00e0 quan tr\u1ecdng, c\u00f3 nhi\u1ec1u \u1ee9ng d\u1ee5ng th\u1ef1c ti\u1ec5n. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd kh\u00e1m ph\u00e1 l\u1ef1c c\u0103ng b\u1ec1 m\u1eb7t ch\u1ea5t l\u1ecfng, hi\u1ec7n t\u01b0\u1ee3ng mao d\u1eabn v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng c\u1ee7a ch\u00fang.<\/p>\n<h2>L\u1ef1c C\u0103ng B\u1ec1 M\u1eb7t Ch\u1ea5t L\u1ecfng<\/h2>\n<p><b>L\u1ef1c c\u0103ng b\u1ec1 m\u1eb7t<\/b> l\u00e0 l\u1ef1c xu\u1ea5t hi\u1ec7n tr\u00ean b\u1ec1 m\u1eb7t c\u1ee7a c\u00e1c ch\u1ea5t l\u1ecfng, t\u1ea1o ra m\u1ed9t m\u00e0ng m\u1ecfng khi\u1ebfn b\u1ec1 m\u1eb7t c\u1ee7a ch\u1ea5t l\u1ecfng c\u00f3 xu h\u01b0\u1edbng nh\u1ecf nh\u1ea5t c\u00f3 th\u1ec3. Nguy\u00ean nh\u00e2n g\u00e2y ra l\u1ef1c n\u00e0y l\u00e0 do s\u1ef1 h\u00fat gi\u1eefa c\u00e1c ph\u00e2n t\u1eed ch\u1ea5t l\u1ecfng v\u1edbi nhau.<\/p>\n<p>\u0110\u1ec3 m\u00f4 t\u1ea3 l\u1ef1c c\u0103ng b\u1ec1 m\u1eb7t, ch\u00fang ta th\u01b0\u1eddng s\u1eed d\u1ee5ng \u0111\u1ea1i l\u01b0\u1ee3ng c\u00f3 k\u00ed hi\u1ec7u l\u00e0 \\( \\gamma \\) (gamma), \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a l\u00e0 s\u1ee9c c\u0103ng tr\u00ean m\u1ed9t \u0111\u01a1n v\u1ecb chi\u1ec1u d\u00e0i:<\/p>\n<p>\\[<br \/>\n\\gamma = \\frac{F}{L}<br \/>\n\\]\n<p>Trong \u0111\u00f3:<\/p>\n<p><u1><\/p>\n<li>\\( F \\): L\u1ef1c c\u0103ng b\u1ec1 m\u1eb7t (N)<\/li>\n<li>\\( L \\): \u0110\u1ed9 d\u00e0i b\u1ec1 m\u1eb7t (m)<\/li>\n<p><\/u1><\/p>\n<p>V\u00ed d\u1ee5, n\u01b0\u1edbc c\u00f3 l\u1ef1c c\u0103ng b\u1ec1 m\u1eb7t l\u1edbn h\u01a1n so v\u1edbi r\u01b0\u1ee3u ethanol, do \u0111\u00f3 m\u1ed9t gi\u1ecdt n\u01b0\u1edbc s\u1ebd gi\u1eef h\u00ecnh d\u1ea1ng t\u1ed1t h\u01a1n m\u1ed9t gi\u1ecdt r\u01b0\u1ee3u ethanol.<\/p>\n<h2>Hi\u1ec7n T\u01b0\u1ee3ng Mao D\u1eabn<\/h2>\n<p>Hi\u1ec7n t\u01b0\u1ee3ng mao d\u1eabn x\u1ea3y ra khi ch\u1ea5t l\u1ecfng l\u1ecdt v\u00e0o ho\u1eb7c \u0111i l\u00ean trong c\u00e1c \u1ed1ng nh\u1ecf ho\u1eb7c l\u1ed7 nh\u1ecf, v\u01b0\u1ee3t qua \u0111\u01b0\u1ee3c l\u1ef1c h\u00fat c\u1ee7a tr\u1ecdng l\u1ef1c. Hi\u1ec7n t\u01b0\u1ee3ng n\u00e0y ch\u1ee7 y\u1ebfu l\u00e0 do l\u1ef1c t\u01b0\u01a1ng t\u00e1c gi\u1eefa ph\u00e2n t\u1eed ch\u1ea5t l\u1ecfng v\u00e0 ph\u00e2n t\u1eed c\u1ee7a v\u1eadt li\u1ec7u m\u00e0 \u1ed1ng \u0111\u01b0\u1ee3c l\u00e0m t\u1eeb (th\u01b0\u1eddng g\u1ecdi l\u00e0 l\u1ef1c d\u00ednh k\u1ebft v\u00e0 l\u1ef1c k\u1ebft d\u00ednh).<\/p>\n<p>Hi\u1ec7n t\u01b0\u1ee3ng mao d\u1eabn c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c quan s\u00e1t trong c\u00e1c \u1ed1ng mao qu\u1ea3n. Khi m\u1ed9t \u1ed1ng mao qu\u1ea3n \u0111\u01b0\u1ee3c nh\u00fang v\u00e0o ch\u1ea5t l\u1ecfng, m\u1ee9c ch\u1ea5t l\u1ecfng c\u00f3 th\u1ec3 t\u0103ng l\u00ean ho\u1eb7c h\u1ea1 xu\u1ed1ng b\u00ean trong \u1ed1ng. Chi\u1ec1u cao c\u1ee7a ch\u1ea5t l\u1ecfng \\( h \\) trong \u1ed1ng mao qu\u1ea3n c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh b\u1edfi c\u00f4ng th\u1ee9c:<\/p>\n<p>\\[<br \/>\nh = \\frac{2\\gamma \\cos \\theta}{\\rho g r}<br \/>\n\\]\n<p>Trong \u0111\u00f3:<\/p>\n<p><u1><\/p>\n<li>\\( h \\): Chi\u1ec1u cao ch\u1ea5t l\u1ecfng trong \u1ed1ng (m)<\/li>\n<li>\\( \\gamma \\): L\u1ef1c c\u0103ng b\u1ec1 m\u1eb7t ch\u1ea5t l\u1ecfng (N\/m)<\/li>\n<li>\\( \\theta \\): G\u00f3c ti\u1ebfp x\u00fac gi\u1eefa ch\u1ea5t l\u1ecfng v\u00e0 b\u1ec1 m\u1eb7t \u1ed1ng<\/li>\n<li>\\( \\rho \\): Kh\u1ed1i l\u01b0\u1ee3ng ri\u00eang c\u1ee7a ch\u1ea5t l\u1ecfng (kg\/m<sup>3<\/sup>)<\/li>\n<li>\\( g \\): Gia t\u1ed1c tr\u1ecdng tr\u01b0\u1eddng (\\approx 9.81 m\/s<sup>2<\/sup>)<\/li>\n<li>\\( r \\): B\u00e1n k\u00ednh \u1ed1ng mao qu\u1ea3n (m)<\/li>\n<p><\/u1><\/p>\n<h2>\u1ee8ng D\u1ee5ng c\u1ee7a L\u1ef1c C\u0103ng B\u1ec1 M\u1eb7t v\u00e0 Hi\u1ec7n T\u01b0\u1ee3ng Mao D\u1eabn<\/h2>\n<p>C\u1ea3 l\u1ef1c c\u0103ng b\u1ec1 m\u1eb7t v\u00e0 hi\u1ec7n t\u01b0\u1ee3ng mao d\u1eabn \u0111\u1ec1u c\u00f3 nhi\u1ec1u \u1ee9ng d\u1ee5ng th\u1ef1c ti\u1ec5n trong cu\u1ed9c s\u1ed1ng v\u00e0 k\u1ef9 thu\u1eadt:<\/p>\n<p><u1><\/p>\n<li><b>H\u1ed3 Quang:<\/b> Trong c\u00f4ng ngh\u1ec7 h\u00e0n, hi\u1ec7n t\u01b0\u1ee3ng mao d\u1eabn gi\u00fap gi\u1eef kim lo\u1ea1i n\u00f3ng ch\u1ea3y t\u1ea1i ph\u00f4i h\u00e0n.<\/li>\n<li><b>C\u00e1c s\u1ea3n ph\u1ea9m ch\u0103m s\u00f3c s\u1ee9c kh\u1ecfe:<\/b> L\u1ef1c c\u0103ng b\u1ec1 m\u1eb7t \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ec3 s\u1ea3n xu\u1ea5t c\u00e1c lo\u1ea1i kem d\u01b0\u1ee1ng da, thu\u1ed1c m\u1ee1 v\u00e0 m\u1ef9 ph\u1ea9m.<\/li>\n<li><b>C\u00f4ng ngh\u1ec7 m\u1ea1 \u0111i\u1ec7n:<\/b> Hi\u1ec7n t\u01b0\u1ee3ng mao d\u1eabn gi\u00fap \u0111\u1ea3m b\u1ea3o c\u00e1c l\u1edbp ph\u1ee7 kim lo\u1ea1i \u0111\u1ed3ng \u0111\u1ec1u tr\u00ean c\u00e1c b\u1ec1 m\u1eb7t ph\u1ee9c t\u1ea1p.<\/li>\n<li><b>\u0110\u1ed9ng c\u01a1 \u0111\u1ed1t trong:<\/b> L\u1ef1c c\u0103ng b\u1ec1 m\u1eb7t \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn s\u1ef1 h\u00ecnh th\u00e0nh v\u00f2i phun nhi\u00ean li\u1ec7u.<\/li>\n<li><b>V\u1eadt li\u1ec7u sinh h\u1ecdc:<\/b> Trong y h\u1ecdc, mao d\u1eabn ch\u01a1i vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c v\u1eadn chuy\u1ec3n ch\u1ea5t l\u1ecfng trong c\u00e1c thi\u1ebft b\u1ecb vi d\u1eabn.<\/li>\n<li><b>N\u01b0\u1edbc l\u1ecdc:<\/b> Hi\u1ec7n t\u01b0\u1ee3ng mao d\u1eabn \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c m\u00e0ng l\u1ecdc n\u01b0\u1edbc \u0111\u1ec3 l\u1ecdc b\u1ecf t\u1ea1p ch\u1ea5t.<\/li>\n<p><\/u1><\/p>\n<p>Nh\u01b0 v\u1eady, l\u1ef1c c\u0103ng b\u1ec1 m\u1eb7t v\u00e0 hi\u1ec7n t\u01b0\u1ee3ng mao d\u1eabn kh\u00f4ng ch\u1ec9 l\u00e0 nh\u1eefng kh\u00e1i ni\u1ec7m c\u01a1 b\u1ea3n trong v\u1eadt l\u00fd m\u00e0 c\u00f2n c\u00f3 nhi\u1ec1u \u1ee9ng d\u1ee5ng quan tr\u1ecdng trong k\u1ef9 thu\u1eadt v\u00e0 \u0111\u1eddi s\u1ed1ng h\u00e0ng ng\u00e0y.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>L\u1ef1c c\u0103ng b\u1ec1 m\u1eb7t ch\u1ea5t l\u1ecfng: Hi\u1ec7n t\u01b0\u1ee3ng mao d\u1eabn v\u00e0 \u1ee9ng d\u1ee5ng trong \u0111\u1eddi s\u1ed1ng th\u1ef1c ti\u1ec5n. T\u00ecm hi\u1ec3u nguy\u00ean l\u00fd v\u00e0 c\u00e1ch \u00e1p d\u1ee5ng trong k\u1ef9 thu\u1eadt nhi\u1ec7t.<\/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>L\u1ef1c C\u0103ng B\u1ec1 M\u1eb7t Ch\u1ea5t L\u1ecfng | Hi\u1ec7n T\u01b0\u1ee3ng Mao D\u1eabn &amp; \u1ee8ng D\u1ee5ng<\/title>\n<meta name=\"description\" content=\"L\u1ef1c c\u0103ng b\u1ec1 m\u1eb7t ch\u1ea5t l\u1ecfng: Hi\u1ec7n t\u01b0\u1ee3ng mao d\u1eabn v\u00e0 \u1ee9ng d\u1ee5ng trong \u0111\u1eddi s\u1ed1ng th\u1ef1c ti\u1ec5n. 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