{"id":710256,"date":"2024-10-13T07:13:30","date_gmt":"2024-10-13T06:13:30","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=710256"},"modified":"2024-10-13T07:13:30","modified_gmt":"2024-10-13T06:13:30","slug":"cach-thap-giai-nhiet-giam-nhiet-do-nuoc","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/cach-thap-giai-nhiet-giam-nhiet-do-nuoc\/","title":{"rendered":"C\u00e1ch th\u00e1p gi\u1ea3i nhi\u1ec7t gi\u1ea3m nhi\u1ec7t \u0111\u1ed9 n\u01b0\u1edbc"},"content":{"rendered":"<p class=\"sidekick\">C\u00e1ch th\u00e1p gi\u1ea3i nhi\u1ec7t gi\u1ea3m nhi\u1ec7t \u0111\u1ed9 n\u01b0\u1edbc: T\u00ecm hi\u1ec3u c\u00e1ch v\u1eadn h\u00e0nh c\u1ee7a th\u00e1p gi\u1ea3i nhi\u1ec7t, qu\u00e1 tr\u00ecnh trao \u0111\u1ed5i nhi\u1ec7t v\u00e0 \u1ee9ng d\u1ee5ng th\u1ef1c t\u1ebf c\u1ee7a n\u00f3 trong ng\u00e0nh nhi\u1ec7t \u0111i\u1ec7n.<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/cach_thap_giai_nhiet_giam_nhiet_do_nuoc.png\" alt=\"C\u00e1ch th\u00e1p gi\u1ea3i nhi\u1ec7t gi\u1ea3m nhi\u1ec7t \u0111\u1ed9 n\u01b0\u1edbc\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>C\u00e1ch th\u00e1p gi\u1ea3i nhi\u1ec7t gi\u1ea3m nhi\u1ec7t \u0111\u1ed9 n\u01b0\u1edbc<\/h2>\n<p>Th\u00e1p gi\u1ea3i nhi\u1ec7t l\u00e0 thi\u1ebft b\u1ecb ph\u1ed5 bi\u1ebfn trong ng\u00e0nh <strong>nhi\u1ec7t k\u1ef9 thu\u1eadt<\/strong> \u0111\u1ec3 l\u00e0m gi\u1ea3m nhi\u1ec7t \u0111\u1ed9 c\u1ee7a n\u01b0\u1edbc, gi\u00fap duy tr\u00ec hi\u1ec7u su\u1ea5t l\u00e0m m\u00e1t cho c\u00e1c h\u1ec7 th\u1ed1ng c\u00f4ng nghi\u1ec7p. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1ch th\u00e1p gi\u1ea3i nhi\u1ec7t ho\u1ea1t \u0111\u1ed9ng \u0111\u1ec3 l\u00e0m gi\u1ea3m nhi\u1ec7t \u0111\u1ed9 n\u01b0\u1edbc.<\/p>\n<h2>C\u1ea5u t\u1ea1o c\u1ee7a th\u00e1p gi\u1ea3i nhi\u1ec7t<\/h2>\n<p><u1><\/p>\n<li><strong>Th\u00e1p d\u1ea1ng khung:<\/strong> \u0110\u00e2y l\u00e0 lo\u1ea1i th\u00e1p c\u00f3 khung c\u1ee9ng, b\u1ec1n v\u1eefng, th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho c\u00e1c \u1ee9ng d\u1ee5ng l\u1edbn.<\/li>\n<li><strong>Th\u00e1p d\u1ea1ng m\u00e1y:<\/strong> Lo\u1ea1i th\u00e1p n\u00e0y c\u00f3 qu\u1ea1t c\u01a1 h\u1ecdc \u0111\u1ec3 t\u0103ng c\u01b0\u1eddng l\u01b0u l\u01b0\u1ee3ng kh\u00f4ng kh\u00ed, gi\u00fap qu\u00e1 tr\u00ecnh l\u00e0m m\u00e1t hi\u1ec7u qu\u1ea3 h\u01a1n.<\/li>\n<p><\/u1><\/p>\n<h2>C\u01a1 ch\u1ebf ho\u1ea1t \u0111\u1ed9ng c\u1ee7a th\u00e1p gi\u1ea3i nhi\u1ec7t<\/h2>\n<p>\u0110\u1ec3 hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 c\u00e1ch th\u00e1p gi\u1ea3i nhi\u1ec7t gi\u1ea3m nhi\u1ec7t \u0111\u1ed9 n\u01b0\u1edbc, h\u00e3y xem qua c\u01a1 ch\u1ebf ho\u1ea1t \u0111\u1ed9ng d\u01b0\u1edbi \u0111\u00e2y:<\/p>\n<p><o1><\/p>\n<li>N\u01b0\u1edbc n\u00f3ng t\u1eeb h\u1ec7 th\u1ed1ng c\u00f4ng nghi\u1ec7p \u0111\u01b0\u1ee3c b\u01a1m l\u00ean th\u00e1p gi\u1ea3i nhi\u1ec7t v\u00e0 phun v\u00e0o kh\u00f4ng gian b\u00ean trong th\u00e1p.<\/li>\n<li>Qu\u1ea1t (th\u01b0\u1eddng n\u1eb1m \u1edf ph\u00eda tr\u00ean th\u00e1p) th\u1ed5i kh\u00f4ng kh\u00ed m\u00e1t qua c\u00e1c t\u1ea5m phun n\u01b0\u1edbc. Qu\u00e1 tr\u00ecnh n\u00e0y t\u1ea1o ra s\u1ef1 trao \u0111\u1ed5i nhi\u1ec7t gi\u1eefa n\u01b0\u1edbc v\u00e0 kh\u00f4ng kh\u00ed.<\/li>\n<li>Trong qu\u00e1 tr\u00ecnh trao \u0111\u1ed5i nhi\u1ec7t, m\u1ed9t ph\u1ea7n nh\u1ecf n\u01b0\u1edbc b\u1ecb bay h\u01a1i, l\u1ea5y \u0111i nhi\u1ec7t l\u01b0\u1ee3ng t\u1eeb ph\u1ea7n n\u01b0\u1edbc c\u00f2n l\u1ea1i. Ph\u1ea7n n\u01b0\u1edbc m\u00e1t h\u01a1n n\u00e0y sau \u0111\u00f3 s\u1ebd \u0111\u01b0\u1ee3c thu gom v\u00e0 ch\u1ea3y xu\u1ed1ng b\u1ec3 ch\u1ee9a \u1edf \u0111\u00e1y th\u00e1p.<\/li>\n<p><\/o1><\/p>\n<p>Ph\u01b0\u01a1ng tr\u00ecnh c\u01a1 b\u1ea3n m\u00f4 t\u1ea3 qu\u00e1 tr\u00ecnh trao \u0111\u1ed5i nhi\u1ec7t trong th\u00e1p gi\u1ea3i nhi\u1ec7t c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c bi\u1ec3u di\u1ec5n nh\u01b0 sau:<\/p>\n<p><strong>C\u00f4ng th\u1ee9c t\u1ed5ng qu\u00e1t:<\/strong><\/p>\n<p>Q = m * C<sub>p<\/sub> * \u0394T<\/p>\n<p>Trong \u0111\u00f3:<\/p>\n<p><u1><\/p>\n<li>Q: L\u01b0\u1ee3ng nhi\u1ec7t \u0111\u01b0\u1ee3c trao \u0111\u1ed5i (Joules)<\/li>\n<li>m: Kh\u1ed1i l\u01b0\u1ee3ng n\u01b0\u1edbc (kg)<\/li>\n<li>C<sub>p<\/sub>: Nhi\u1ec7t dung ri\u00eang c\u1ee7a n\u01b0\u1edbc (J\/kg.\u00b0C)<\/li>\n<li>\u0394T: S\u1ef1 thay \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9 (\u00b0C)<\/li>\n<p><\/u1><\/p>\n<h2>L\u1ee3i \u00edch c\u1ee7a th\u00e1p gi\u1ea3i nhi\u1ec7t<\/h2>\n<p>Th\u00e1p gi\u1ea3i nhi\u1ec7t mang l\u1ea1i nhi\u1ec1u l\u1ee3i \u00edch quan tr\u1ecdng \u0111\u1ed1i v\u1edbi c\u00e1c h\u1ec7 th\u1ed1ng c\u00f4ng nghi\u1ec7p:<\/p>\n<p><u1><\/p>\n<li><strong>Ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng:<\/strong> Gi\u1ea3m thi\u1ec3u s\u1ef1 m\u1ea5t m\u00e1t nhi\u1ec7t n\u0103ng, gi\u00fap ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng trong qu\u00e1 tr\u00ecnh l\u00e0m m\u00e1t.<\/li>\n<li><strong>T\u0103ng hi\u1ec7u su\u1ea5t ho\u1ea1t \u0111\u1ed9ng:<\/strong> Gi\u1eef cho c\u00e1c m\u00e1y m\u00f3c v\u00e0 thi\u1ebft b\u1ecb ho\u1ea1t \u0111\u1ed9ng \u1edf nhi\u1ec7t \u0111\u1ed9 t\u1ed1i \u01b0u, n\u00e2ng cao hi\u1ec7u su\u1ea5t v\u00e0 tu\u1ed5i th\u1ecd c\u1ee7a ch\u00fang.<\/li>\n<li><strong>B\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng:<\/strong> Gi\u1ea3m thi\u1ec3u l\u01b0\u1ee3ng nhi\u1ec7t th\u1ea3i ra m\u00f4i tr\u01b0\u1eddng, gi\u1ea3m thi\u1ec3u t\u00e1c \u0111\u1ed9ng ti\u00eau c\u1ef1c.<\/li>\n<p><\/u1><\/p>\n<h2>K\u1ebft lu\u1eadn<\/h2>\n<p>Th\u00e1p gi\u1ea3i nhi\u1ec7t l\u00e0 thi\u1ebft b\u1ecb quan tr\u1ecdng trong ng\u00e0nh nhi\u1ec7t k\u1ef9 thu\u1eadt, gi\u00fap gi\u1ea3m nhi\u1ec7t \u0111\u1ed9 n\u01b0\u1edbc hi\u1ec7u qu\u1ea3 th\u00f4ng qua c\u01a1 ch\u1ebf trao \u0111\u1ed5i nhi\u1ec7t v\u00e0 bay h\u01a1i n\u01b0\u1edbc. Vi\u1ec7c hi\u1ec3u r\u00f5 c\u00e1ch th\u00e1p gi\u1ea3i nhi\u1ec7t ho\u1ea1t \u0111\u1ed9ng kh\u00f4ng ch\u1ec9 gi\u00fap t\u1ed1i \u01b0u h\u00f3a h\u1ec7 th\u1ed1ng l\u00e0m m\u00e1t m\u00e0 c\u00f2n \u0111\u1ea3m b\u1ea3o hi\u1ec7u su\u1ea5t v\u00e0 tu\u1ed5i th\u1ecd c\u1ee7a c\u00e1c thi\u1ebft b\u1ecb c\u00f4ng nghi\u1ec7p.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>C\u00e1ch th\u00e1p gi\u1ea3i nhi\u1ec7t gi\u1ea3m nhi\u1ec7t \u0111\u1ed9 n\u01b0\u1edbc: T\u00ecm hi\u1ec3u c\u00e1ch v\u1eadn h\u00e0nh c\u1ee7a th\u00e1p gi\u1ea3i nhi\u1ec7t, qu\u00e1 tr\u00ecnh trao \u0111\u1ed5i nhi\u1ec7t v\u00e0 \u1ee9ng d\u1ee5ng th\u1ef1c t\u1ebf c\u1ee7a n\u00f3 trong ng\u00e0nh nhi\u1ec7t \u0111i\u1ec7n.<\/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 - 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