{"id":689404,"date":"2024-08-14T20:57:23","date_gmt":"2024-08-14T19:57:23","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=689404"},"modified":"2024-08-14T20:57:23","modified_gmt":"2024-08-14T19:57:23","slug":"lop-phu-ky-nuoc-kha-nang-chong-nuoc-bao-ve-be-mat","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/lop-phu-ky-nuoc-kha-nang-chong-nuoc-bao-ve-be-mat\/","title":{"rendered":"L\u1edbp Ph\u1ee7 K\u1ef5 N\u01b0\u1edbc | Kh\u1ea3 N\u0103ng Ch\u1ed1ng N\u01b0\u1edbc &#038; B\u1ea3o V\u1ec7 B\u1ec1 M\u1eb7t"},"content":{"rendered":"<p class=\"sidekick\">L\u1edbp ph\u1ee7 k\u1ef5 n\u01b0\u1edbc gi\u00fap b\u1ec1 m\u1eb7t ch\u1ed1ng th\u1ea5m n\u01b0\u1edbc hi\u1ec7u qu\u1ea3, b\u1ea3o v\u1ec7 kh\u1ecfi t\u00e1c \u0111\u1ed9ng m\u00f4i tr\u01b0\u1eddng. T\u00ecm hi\u1ec3u c\u00e1ch ho\u1ea1t \u0111\u1ed9ng v\u00e0 \u1ee9ng d\u1ee5ng c\u1ee7a c\u00f4ng ngh\u1ec7 n\u00e0y.<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/lop_phu_ky_nuoc_kha_nang_chong_nuoc_bao_ve_be_mat.png\" alt=\"L\u1edbp Ph\u1ee7 K\u1ef5 N\u01b0\u1edbc | Kh\u1ea3 N\u0103ng Ch\u1ed1ng N\u01b0\u1edbc &#038; B\u1ea3o V\u1ec7 B\u1ec1 M\u1eb7t\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>L\u1edbp Ph\u1ee7 K\u1ef5 N\u01b0\u1edbc | Kh\u1ea3 N\u0103ng Ch\u1ed1ng N\u01b0\u1edbc &#038; B\u1ea3o V\u1ec7 B\u1ec1 M\u1eb7t<\/h2>\n<p>Trong ng\u00e0nh k\u1ef9 thu\u1eadt nhi\u1ec7t, l\u1edbp ph\u1ee7 k\u1ef5 n\u01b0\u1edbc \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c ch\u1ed1ng n\u01b0\u1edbc v\u00e0 b\u1ea3o v\u1ec7 b\u1ec1 m\u1eb7t c\u1ee7a c\u00e1c v\u1eadt li\u1ec7u. M\u1ee5c ti\u00eau ch\u00ednh c\u1ee7a l\u1edbp ph\u1ee7 n\u00e0y l\u00e0 \u0111\u1ec3 gi\u1ea3m kh\u1ea3 n\u0103ng b\u1ec1 m\u1eb7t b\u1ecb \u01b0\u1edbt b\u1edfi n\u01b0\u1edbc, nh\u1edd \u0111\u00f3 ng\u0103n ng\u1eeba h\u01b0 h\u1ea1i do t\u00e1c \u0111\u1ed9ng c\u1ee7a ch\u1ea5t l\u1ecfng.<\/p>\n<h2>Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a l\u1edbp ph\u1ee7 k\u1ef5 n\u01b0\u1edbc<\/h2>\n<p>M\u1ed9t l\u1edbp ph\u1ee7 k\u1ef5 n\u01b0\u1edbc, c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 l\u1edbp ph\u1ee7 hydrophobic, ho\u1ea1t \u0111\u1ed9ng b\u1eb1ng c\u00e1ch t\u1ea1o ra m\u1ed9t b\u1ec1 m\u1eb7t c\u00f3 kh\u1ea3 n\u0103ng \u0111\u1ea9y n\u01b0\u1edbc. Nguy\u00ean l\u00fd c\u01a1 b\u1ea3n c\u1ee7a hi\u1ec7n t\u01b0\u1ee3ng n\u00e0y li\u00ean quan \u0111\u1ebfn <em>g\u00f3c ti\u1ebfp x\u00fac<\/em> gi\u1eefa gi\u1ecdt n\u01b0\u1edbc v\u00e0 b\u1ec1 m\u1eb7t. G\u00f3c ti\u1ebfp x\u00fac c\u00e0ng l\u1edbn, kh\u1ea3 n\u0103ng k\u1ef5 n\u01b0\u1edbc c\u1ee7a b\u1ec1 m\u1eb7t c\u00e0ng cao.<\/p>\n<p>\u0110i\u1ec1u n\u00e0y th\u1ec3 hi\u1ec7n qua c\u00f4ng th\u1ee9c:<\/p>\n<ul>\n<li>G\u00f3c ti\u1ebfp x\u00fac (\\(\\theta\\)): \\(\\cos(\\theta) = ( \\gamma_{SG} &#8211; \\gamma_{SL} ) \/ \\gamma_{LG}\\)<\/li>\n<\/ul>\n<p>Trong \u0111\u00f3:<\/p>\n<ol>\n<li>\\(\\gamma_{SG}\\): N\u0103ng l\u01b0\u1ee3ng m\u1eb7t ngo\u00e0i gi\u1eefa r\u1eafn v\u00e0 kh\u00ed<\/li>\n<li>\\(\\gamma_{SL}\\): N\u0103ng l\u01b0\u1ee3ng m\u1eb7t ngo\u00e0i gi\u1eefa r\u1eafn v\u00e0 l\u1ecfng<\/li>\n<li>\\(\\gamma_{LG}\\): N\u0103ng l\u01b0\u1ee3ng m\u1eb7t ngo\u00e0i gi\u1eefa l\u1ecfng v\u00e0 kh\u00ed<\/li>\n<\/ol>\n<h2>Kh\u1ea3 n\u0103ng ch\u1ed1ng n\u01b0\u1edbc<\/h2>\n<p>L\u1edbp ph\u1ee7 k\u1ef5 n\u01b0\u1edbc kh\u00f4ng ch\u1ec9 gi\u00fap ch\u1ed1ng l\u1ea1i n\u01b0\u1edbc m\u00e0 c\u00f2n gi\u00fap ng\u0103n c\u1ea3n s\u1ef1 th\u1ea5m n\u01b0\u1edbc v\u00e0o v\u1eadt li\u1ec7u, gi\u00fap b\u1ea3o v\u1ec7 b\u1ec1 m\u1eb7t kh\u1ecfi c\u00e1c t\u00e1c \u0111\u1ed9ng ti\u00eau c\u1ef1c c\u1ee7a n\u01b0\u1edbc nh\u01b0 s\u1ef1 \u0111\u1ecdng n\u01b0\u1edbc, s\u1ef1 \u0103n m\u00f2n v\u00e0 s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a vi khu\u1ea9n v\u00e0 n\u1ea5m m\u1ed1c.<\/p>\n<p>C\u00e1c thu\u1ed9c t\u00ednh quan tr\u1ecdng c\u1ee7a l\u1edbp ph\u1ee7 k\u1ef5 n\u01b0\u1edbc bao g\u1ed3m:<\/p>\n<ul>\n<li><strong>G\u00f3c ti\u1ebfp x\u00fac cao<\/strong>: M\u1ed9t l\u1edbp ph\u1ee7 v\u1edbi g\u00f3c ti\u1ebfp x\u00fac l\u1edbn h\u01a1n 150\u00b0 \u0111\u01b0\u1ee3c coi l\u00e0 k\u1ef5 n\u01b0\u1edbc tuy\u1ec7t \u0111\u1ed1i.<\/li>\n<li><strong>Kh\u1ea3 n\u0103ng t\u1ef1 l\u00e0m s\u1ea1ch<\/strong>: N\u01b0\u1edbc kh\u00f4ng th\u1ec3 th\u1ea5m v\u00e0o m\u00e0ng ph\u1ee7, gi\u00fap b\u1ec1 m\u1eb7t t\u1ef1 l\u00e0m s\u1ea1ch th\u00f4ng qua hi\u1ec7n t\u01b0\u1ee3ng n\u01b0\u1edbc cu\u1ed1n tr\u00f4i b\u1ee5i b\u1ea9n.<\/li>\n<li><strong>\u0110\u1ed9 b\u1ec1n cao<\/strong>: L\u1edbp ph\u1ee7 c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c th\u1eddi ti\u1ebft kh\u1eafc nghi\u1ec7t v\u00e0 tu\u1ed5i th\u1ecd l\u00e2u d\u00e0i.<\/li>\n<\/ul>\n<h2>\u1ee8ng d\u1ee5ng c\u1ee7a l\u1edbp ph\u1ee7 k\u1ef5 n\u01b0\u1edbc<\/h2>\n<p>\u1ee8ng d\u1ee5ng c\u1ee7a l\u1edbp ph\u1ee7 k\u1ef5 n\u01b0\u1edbc trong \u0111\u1eddi s\u1ed1ng r\u1ea5t r\u1ed9ng r\u00e3i, t\u1eeb b\u1ea3o v\u1ec7 \u0111i\u1ec7n t\u1eed, m\u00e1i nh\u00e0, c\u1eeda s\u1ed5, \u0111\u1ebfn b\u1ec1 m\u1eb7t \u00f4 t\u00f4 v\u00e0 qu\u1ea7n \u00e1o ch\u1ed1ng n\u01b0\u1edbc. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 v\u00ed d\u1ee5 c\u1ee5 th\u1ec3:<\/p>\n<ul>\n<li><strong>\u0110i\u1ec7n t\u1eed<\/strong>: B\u1ea3o v\u1ec7 c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed kh\u00f4ng b\u1ecb h\u01b0 h\u1ecfng do n\u01b0\u1edbc.<\/li>\n<li><strong>X\u00e2y d\u1ef1ng v\u00e0 ki\u1ebfn tr\u00fac<\/strong>: L\u1edbp ph\u1ee7 gi\u00fap b\u1ea3o v\u1ec7 b\u1ec1 m\u1eb7t t\u01b0\u1eddng, m\u00e1i nh\u00e0 kh\u1ecfi \u1ea9m m\u1ed1c v\u00e0 h\u01b0 h\u1ea1i do n\u01b0\u1edbc.<\/li>\n<li><strong>Ng\u00e0nh \u00f4 t\u00f4<\/strong>: T\u1ea1o ra c\u00e1c b\u1ec1 m\u1eb7t k\u00ednh v\u00e0 th\u00e2n xe c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng n\u01b0\u1edbc.<\/li>\n<li><strong>Qu\u1ea7n \u00e1o v\u00e0 d\u1ec7t may<\/strong>: T\u1ea1o ra c\u00e1c s\u1ea3n ph\u1ea9m ch\u1ed1ng n\u01b0\u1edbc nh\u01b0ng v\u1eabn \u0111\u1ea3m b\u1ea3o th\u00f4ng tho\u00e1ng.<\/li>\n<\/ul>\n<h2>K\u1ebft lu\u1eadn<\/h2>\n<p>L\u1edbp ph\u1ee7 k\u1ef5 n\u01b0\u1edbc l\u00e0 m\u1ed9t trong nh\u1eefng gi\u1ea3i ph\u00e1p ti\u00ean ti\u1ebfn v\u00e0 hi\u1ec7u qu\u1ea3 nh\u1ea5t trong k\u1ef9 thu\u1eadt nhi\u1ec7t v\u00e0 b\u1ea3o v\u1ec7 b\u1ec1 m\u1eb7t v\u1eadt li\u1ec7u. V\u1edbi kh\u1ea3 n\u0103ng ch\u1ed1ng n\u01b0\u1edbc, b\u1ea3o v\u1ec7 b\u1ec1 m\u1eb7t v\u00e0 \u0111\u1ed9 b\u1ec1n cao, l\u1edbp ph\u1ee7 k\u1ef5 n\u01b0\u1edbc \u0111ang ng\u00e0y c\u00e0ng \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng r\u1ed9ng r\u00e3i trong nhi\u1ec1u l\u0129nh v\u1ef1c c\u1ee7a \u0111\u1eddi s\u1ed1ng con ng\u01b0\u1eddi.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>L\u1edbp ph\u1ee7 k\u1ef5 n\u01b0\u1edbc gi\u00fap b\u1ec1 m\u1eb7t ch\u1ed1ng th\u1ea5m n\u01b0\u1edbc hi\u1ec7u qu\u1ea3, b\u1ea3o v\u1ec7 kh\u1ecfi t\u00e1c \u0111\u1ed9ng m\u00f4i tr\u01b0\u1eddng. T\u00ecm hi\u1ec3u c\u00e1ch ho\u1ea1t \u0111\u1ed9ng v\u00e0 \u1ee9ng d\u1ee5ng c\u1ee7a c\u00f4ng ngh\u1ec7 n\u00e0y.<\/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\u1edbp Ph\u1ee7 K\u1ef5 N\u01b0\u1edbc | Kh\u1ea3 N\u0103ng Ch\u1ed1ng N\u01b0\u1edbc &amp; B\u1ea3o V\u1ec7 B\u1ec1 M\u1eb7t<\/title>\n<meta name=\"description\" content=\"L\u1edbp ph\u1ee7 k\u1ef5 n\u01b0\u1edbc gi\u00fap b\u1ec1 m\u1eb7t ch\u1ed1ng th\u1ea5m n\u01b0\u1edbc hi\u1ec7u qu\u1ea3, b\u1ea3o v\u1ec7 kh\u1ecfi t\u00e1c \u0111\u1ed9ng m\u00f4i tr\u01b0\u1eddng. 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