{"id":689958,"date":"2024-10-18T09:06:50","date_gmt":"2024-10-18T08:06:50","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=689958"},"modified":"2024-10-18T09:06:50","modified_gmt":"2024-10-18T08:06:50","slug":"chat-long-no-ra-bao-ve-va-dap-giai-tri","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/chat-long-no-ra-bao-ve-va-dap-giai-tri\/","title":{"rendered":"Ch\u1ea5t l\u1ecfng n\u1edf ra | B\u1ea3o v\u1ec7 va \u0111\u1eadp &#038; Gi\u1ea3i tr\u00ed"},"content":{"rendered":"<p class=\"sidekick\">Ch\u1ea5t l\u1ecfng n\u1edf ra gi\u00fap b\u1ea3o v\u1ec7 va \u0111\u1eadp v\u00e0 mang l\u1ea1i gi\u1ea3i tr\u00ed th\u00fa v\u1ecb v\u1edbi \u1ee9ng d\u1ee5ng c\u00f4ng ngh\u1ec7 ti\u00ean ti\u1ebfn trong \u00e1o gi\u00e1p b\u1ea3o h\u1ed9 v\u00e0 \u0111\u1ed3 ch\u01a1i.<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/chat_long_no_ra_bao_ve_va_dap_giai_tri.png\" alt=\"Ch\u1ea5t l\u1ecfng n\u1edf ra | B\u1ea3o v\u1ec7 va \u0111\u1eadp &#038; Gi\u1ea3i tr\u00ed\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>Ch\u1ea5t l\u1ecfng n\u1edf ra<\/h2>\n<p>Ch\u1ea5t l\u1ecfng l\u00e0 m\u1ed9t trong ba tr\u1ea1ng th\u00e1i ch\u00ednh c\u1ee7a v\u1eadt ch\u1ea5t m\u00e0 ch\u00fang ta th\u01b0\u1eddng g\u1eb7p trong cu\u1ed9c s\u1ed1ng h\u00e0ng ng\u00e0y, c\u00f9ng v\u1edbi r\u1eafn v\u00e0 kh\u00ed. M\u1ed9t trong nh\u1eefng t\u00ednh ch\u1ea5t \u0111\u1eb7c bi\u1ec7t c\u1ee7a ch\u1ea5t l\u1ecfng l\u00e0 ch\u00fang c\u00f3 th\u1ec3 n\u1edf ra khi b\u1ecb n\u00f3ng l\u00ean. Qu\u00e1 tr\u00ecnh n\u00e0y g\u1ecdi l\u00e0 s\u1ef1 n\u1edf nhi\u1ec7t c\u1ee7a ch\u1ea5t l\u1ecfng.<\/p>\n<ul>\n<li><strong>\u0110\u1ecbnh ngh\u0129a:<\/strong> S\u1ef1 n\u1edf nhi\u1ec7t l\u00e0 hi\u1ec7n t\u01b0\u1ee3ng t\u0103ng th\u1ec3 t\u00edch c\u1ee7a ch\u1ea5t l\u1ecfng khi nhi\u1ec7t \u0111\u1ed9 c\u1ee7a n\u00f3 t\u0103ng.<\/li>\n<li><strong>C\u00f4ng th\u1ee9c:<\/strong> Th\u1ec3 t\u00edch c\u1ee7a ch\u1ea5t l\u1ecfng n\u1edf theo c\u00f4ng th\u1ee9c:\n<ul>\n<li>\\[ V = V_0 (1 + \\beta \\Delta T) \\]<\/li>\n<\/ul>\n<p>    Trong \u0111\u00f3:<\/p>\n<ul>\n<li> \\( V \\) l\u00e0 th\u1ec3 t\u00edch sau khi n\u00f3ng l\u00ean<\/li>\n<li> \\( V_0 \\) l\u00e0 th\u1ec3 t\u00edch ban \u0111\u1ea7u<\/li>\n<li> \\(\\beta\\) l\u00e0 h\u1ec7 s\u1ed1 n\u1edf nhi\u1ec7t<\/li>\n<li> \\(\\Delta T\\) l\u00e0 s\u1ef1 thay \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9<\/li>\n<\/ul>\n<\/li>\n<li><strong>T\u00e1c \u0111\u1ed9ng:<\/strong> Khi th\u1ec3 t\u00edch c\u1ee7a ch\u1ea5t l\u1ecfng t\u0103ng, n\u00f3 c\u00f3 th\u1ec3 g\u00e2y ra \u00e1p l\u1ef1c \u0111\u00e1ng k\u1ec3 l\u00ean c\u00e1c v\u1eadt ch\u1ee9a, do \u0111\u00f3, c\u00e1c b\u00ecnh ch\u1ee9a th\u01b0\u1eddng \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 ch\u1ecbu \u0111\u1ef1ng s\u1ef1 thay \u0111\u1ed5i th\u1ec3 t\u00edch n\u00e0y.<\/li>\n<\/ul>\n<h2>B\u1ea3o v\u1ec7 va \u0111\u1eadp<\/h2>\n<p>Trong l\u0129nh v\u1ef1c k\u1ef9 thu\u1eadt, b\u1ea3o v\u1ec7 va \u0111\u1eadp l\u00e0 m\u1ed9t y\u1ebfu t\u1ed1 quan tr\u1ecdng khi thi\u1ebft k\u1ebf s\u1ea3n ph\u1ea9m nh\u1eb1m gi\u1ea3m thi\u1ec3u thi\u1ec7t h\u1ea1i do va ch\u1ea1m. Ch\u1ea5t l\u1ecfng n\u1edf ra c\u00f3 th\u1ec3 \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c n\u00e0y.<\/p>\n<ul>\n<li><strong>Ch\u1ea5t l\u1ecfng phi Newton:<\/strong> M\u1ed9t s\u1ed1 ch\u1ea5t l\u1ecfng, ch\u1eb3ng h\u1ea1n nh\u01b0 dung d\u1ecbch cornstarch trong n\u01b0\u1edbc, tr\u1edf n\u00ean c\u1ee9ng khi b\u1ecb t\u00e1c \u0111\u1ed9ng m\u1ea1nh v\u00e0 quay l\u1ea1i tr\u1ea1ng th\u00e1i l\u1ecfng khi t\u00e1c \u0111\u1ed9ng gi\u1ea3m. Ch\u00fang \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c thi\u1ebft b\u1ecb b\u1ea3o v\u1ec7 nh\u01b0 \u00e1o gi\u00e1p v\u00e0 m\u0169 b\u1ea3o hi\u1ec3m.<\/li>\n<li><strong>C\u01a1 ch\u1ebf:<\/strong> Khi b\u1ecb va ch\u1ea1m, ch\u1ea5t l\u1ecfng n\u1edf ra h\u1ea5p th\u1ee5 n\u0103ng l\u01b0\u1ee3ng c\u1ee7a c\u00fa va \u0111\u1eadp v\u00e0 gi\u1ea3m thi\u1ec3u l\u1ef1c truy\u1ec1n \u0111\u1ebfn c\u01a1 th\u1ec3 ng\u01b0\u1eddi ho\u1eb7c thi\u1ebft b\u1ecb.<\/li>\n<\/ul>\n<h2>Gi\u1ea3i tr\u00ed<\/h2>\n<p>Kh\u00f4ng ch\u1ec9 trong k\u1ef9 thu\u1eadt b\u1ea3o v\u1ec7, ch\u1ea5t l\u1ecfng n\u1edf ra c\u00f2n c\u00f3 nhi\u1ec1u \u1ee9ng d\u1ee5ng th\u00fa v\u1ecb trong gi\u1ea3i tr\u00ed.<\/p>\n<ol>\n<li><strong>H\u00f3a h\u1ecdc vui:<\/strong> C\u00e1c th\u00ed nghi\u1ec7m nh\u01b0 qu\u1ea3 tr\u1ee9ng trong gi\u1ea5m, l\u00e0m b\u1ecfng ng\u00f4, ho\u1eb7c t\u1ea1o ra ch\u1ea5t l\u1ecfng phi Newton l\u00e0 nh\u1eefng tr\u1ea3i nghi\u1ec7m ph\u1ed5 bi\u1ebfn t\u1ea1i nh\u00e0 ho\u1eb7c trong c\u00e1c l\u1edbp h\u1ecdc.<\/li>\n<li><strong>S\u1ea3n ph\u1ea9m gi\u1ea3i tr\u00ed:<\/strong> M\u1ed9t s\u1ed1 \u0111\u1ed3 ch\u01a1i v\u00e0 s\u1ea3n ph\u1ea9m gi\u1ea3i tr\u00ed nh\u01b0 \u0111\u1ed3 gi\u1ea3i stress ho\u1eb7c slime d\u00e0nh cho tr\u1ebb em c\u0169ng c\u00f3 s\u1ef1 tham gia c\u1ee7a c\u00e1c ch\u1ea5t l\u1ecfng n\u1edf ra v\u00e0 bi\u1ebfn \u0111\u1ed5i \u0111\u1eb7c t\u00ednh d\u01b0\u1edbi \u00e1p l\u1ef1c.<\/li>\n<\/ol>\n<p>Nh\u00ecn chung, s\u1ef1 n\u1edf nhi\u1ec7t c\u1ee7a ch\u1ea5t l\u1ecfng kh\u00f4ng ch\u1ec9 l\u00e0 m\u1ed9t hi\u1ec7n t\u01b0\u1ee3ng khoa h\u1ecdc th\u00fa v\u1ecb m\u00e0 c\u00f2n c\u00f3 r\u1ea5t nhi\u1ec1u \u1ee9ng d\u1ee5ng trong \u0111\u1eddi s\u1ed1ng th\u1ef1c t\u1ebf, t\u1eeb vi\u1ec7c b\u1ea3o v\u1ec7 an to\u00e0n \u0111\u1ebfn c\u00e1c ho\u1ea1t \u0111\u1ed9ng gi\u1ea3i tr\u00ed.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ch\u1ea5t l\u1ecfng n\u1edf ra gi\u00fap b\u1ea3o v\u1ec7 va \u0111\u1eadp v\u00e0 mang l\u1ea1i gi\u1ea3i tr\u00ed th\u00fa v\u1ecb v\u1edbi \u1ee9ng d\u1ee5ng c\u00f4ng ngh\u1ec7 ti\u00ean ti\u1ebfn trong \u00e1o gi\u00e1p b\u1ea3o h\u1ed9 v\u00e0 \u0111\u1ed3 ch\u01a1i.<\/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>Ch\u1ea5t l\u1ecfng n\u1edf ra | B\u1ea3o v\u1ec7 va \u0111\u1eadp &amp; Gi\u1ea3i tr\u00ed<\/title>\n<meta name=\"description\" content=\"Ch\u1ea5t l\u1ecfng n\u1edf ra gi\u00fap b\u1ea3o v\u1ec7 va \u0111\u1eadp v\u00e0 mang l\u1ea1i gi\u1ea3i tr\u00ed th\u00fa v\u1ecb v\u1edbi \u1ee9ng d\u1ee5ng c\u00f4ng ngh\u1ec7 ti\u00ean ti\u1ebfn trong \u00e1o gi\u00e1p b\u1ea3o h\u1ed9 v\u00e0 \u0111\u1ed3 ch\u01a1i.\" \/>\n<meta name=\"robots\" content=\"index, follow, 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