{"id":704385,"date":"2024-09-24T06:07:41","date_gmt":"2024-09-24T05:07:41","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=704385"},"modified":"2024-09-24T06:07:41","modified_gmt":"2024-09-24T05:07:41","slug":"bo-trao-doi-nhiet-dang-tam-hieu-suat-ung-dung","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/bo-trao-doi-nhiet-dang-tam-hieu-suat-ung-dung\/","title":{"rendered":"B\u1ed9 Trao \u0110\u1ed5i Nhi\u1ec7t D\u1ea1ng T\u1ea5m | Hi\u1ec7u Su\u1ea5t &#038; \u1ee8ng D\u1ee5ng"},"content":{"rendered":"<p class=\"sidekick\">B\u1ed9 trao \u0111\u1ed5i nhi\u1ec7t d\u1ea1ng t\u1ea5m: Hi\u1ec7u su\u1ea5t v\u00e0 \u1ee9ng d\u1ee5ng trong ng\u00e0nh c\u00f4ng nghi\u1ec7p. T\u00ecm hi\u1ec3u c\u00e1ch ho\u1ea1t \u0111\u1ed9ng v\u00e0 l\u1ee3i \u00edch c\u1ee7a b\u1ed9 trao \u0111\u1ed5i nhi\u1ec7t n\u00e0y trong vi\u1ec7c ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng.<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/bo_trao_doi_nhiet_dang_tam_hieu_suat_ung_dung.png\" alt=\"B\u1ed9 Trao \u0110\u1ed5i Nhi\u1ec7t D\u1ea1ng T\u1ea5m | Hi\u1ec7u Su\u1ea5t &#038; \u1ee8ng D\u1ee5ng\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>B\u1ed9 Trao \u0110\u1ed5i Nhi\u1ec7t D\u1ea1ng T\u1ea5m | Hi\u1ec7u Su\u1ea5t &#038; \u1ee8ng D\u1ee5ng<\/h2>\n<p>B\u1ed9 trao \u0111\u1ed5i nhi\u1ec7t d\u1ea1ng t\u1ea5m l\u00e0 thi\u1ebft b\u1ecb quan tr\u1ecdng trong h\u1ec7 th\u1ed1ng nhi\u1ec7t, th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 trao \u0111\u1ed5i nhi\u1ec7t gi\u1eefa hai ch\u1ea5t l\u1ecfng. V\u1edbi thi\u1ebft k\u1ebf \u0111\u01a1n gi\u1ea3n v\u00e0 hi\u1ec7u qu\u1ea3, b\u1ed9 trao \u0111\u1ed5i nhi\u1ec7t d\u1ea1ng t\u1ea5m \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong ng\u00e0nh nhi\u1ec7t h\u1ecdc v\u00e0 nhi\u1ec1u \u1ee9ng d\u1ee5ng th\u1ef1c t\u1ebf kh\u00e1c.<\/p>\n<h2>Hi\u1ec7u Su\u1ea5t C\u1ee7a B\u1ed9 Trao \u0110\u1ed5i Nhi\u1ec7t D\u1ea1ng T\u1ea5m<\/h2>\n<p>Hi\u1ec7u su\u1ea5t c\u1ee7a b\u1ed9 trao \u0111\u1ed5i nhi\u1ec7t d\u1ea1ng t\u1ea5m ph\u1ee5 thu\u1ed9c v\u00e0o m\u1ed9t s\u1ed1 y\u1ebfu t\u1ed1 ch\u00ednh bao g\u1ed3m:<\/p>\n<ul>\n<li><strong>Di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t trao \u0111\u1ed5i nhi\u1ec7t:<\/strong> Di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t c\u00e0ng l\u1edbn, hi\u1ec7u qu\u1ea3 trao \u0111\u1ed5i nhi\u1ec7t c\u00e0ng cao.<\/li>\n<li><strong>T\u1ed1c \u0111\u1ed9 d\u00f2ng ch\u1ea3y c\u1ee7a ch\u1ea5t l\u1ecfng:<\/strong> T\u0103ng t\u1ed1c \u0111\u1ed9 d\u00f2ng ch\u1ea3y c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t trao \u0111\u1ed5i nhi\u1ec7t nh\u01b0ng c\u0169ng \u0111\u1ed3ng ngh\u0129a v\u1edbi vi\u1ec7c t\u0103ng \u00e1p su\u1ea5t h\u1ec7 th\u1ed1ng.<\/li>\n<li><strong>S\u1ef1 ch\u00eanh l\u1ec7ch nhi\u1ec7t \u0111\u1ed9:<\/strong> Ch\u00eanh l\u1ec7ch nhi\u1ec7t \u0111\u1ed9 gi\u1eefa hai ch\u1ea5t l\u1ecfng c\u00e0ng l\u1edbn, hi\u1ec7u qu\u1ea3 trao \u0111\u1ed5i nhi\u1ec7t c\u00e0ng cao.<\/li>\n<li><strong>V\u1eadt li\u1ec7u l\u00e0m t\u1ea5m:<\/strong> C\u00e1c v\u1eadt li\u1ec7u c\u00f3 h\u1ec7 s\u1ed1 d\u1eabn nhi\u1ec7t cao nh\u01b0 \u0111\u1ed3ng, nh\u00f4m th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 t\u0103ng c\u01b0\u1eddng kh\u1ea3 n\u0103ng trao \u0111\u1ed5i nhi\u1ec7t.<\/li>\n<\/ul>\n<p>C\u00f4ng th\u1ee9c c\u01a1 b\u1ea3n \u0111\u1ec3 t\u00ednh to\u00e1n c\u00f4ng su\u1ea5t trao \u0111\u1ed5i nhi\u1ec7t (\\(Q\\)) c\u1ee7a b\u1ed9 trao \u0111\u1ed5i nhi\u1ec7t d\u1ea1ng t\u1ea5m l\u00e0:<\/p>\n<p>\\[<br \/>\nQ = U \\times A \\times \\Delta T<br \/>\n\\]\n<p>Trong \u0111\u00f3:<\/p>\n<ul>\n<li>\\(Q\\) l\u00e0 c\u00f4ng su\u1ea5t trao \u0111\u1ed5i nhi\u1ec7t (W)<\/li>\n<li>\\(U\\) l\u00e0 h\u1ec7 s\u1ed1 truy\u1ec1n nhi\u1ec7t t\u1ed5ng (W\/m<su>2<\/su>*\u00b0C)<\/li>\n<li>\\(A\\) l\u00e0 di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t trao \u0111\u1ed5i nhi\u1ec7t (m<su>2<\/su>)<\/li>\n<li>\\(\u0394T\\) l\u00e0 s\u1ef1 ch\u00eanh l\u1ec7ch nhi\u1ec7t \u0111\u1ed9 trung b\u00ecnh gi\u1eefa hai ch\u1ea5t l\u1ecfng (\u00b0C)<\/li>\n<\/ul>\n<h2>\u1ee8ng D\u1ee5ng C\u1ee7a B\u1ed9 Trao \u0110\u1ed5i Nhi\u1ec7t D\u1ea1ng T\u1ea5m<\/h2>\n<p>B\u1ed9 trao \u0111\u1ed5i nhi\u1ec7t d\u1ea1ng t\u1ea5m \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong nhi\u1ec1u l\u0129nh v\u1ef1c v\u00e0 \u1ee9ng d\u1ee5ng kh\u00e1c nhau, bao g\u1ed3m:<\/p>\n<ul>\n<li><strong>C\u00f4ng nghi\u1ec7p th\u1ef1c ph\u1ea9m:<\/strong> D\u00f9ng \u0111\u1ec3 l\u00e0m l\u1ea1nh ho\u1eb7c l\u00e0m n\u00f3ng c\u00e1c s\u1ea3n ph\u1ea9m nh\u01b0 s\u1eefa, bia, r\u01b0\u1ee3u v\u00e0 n\u01b0\u1edbc gi\u1ea3i kh\u00e1t.<\/li>\n<li><strong>C\u00f4ng nghi\u1ec7p h\u00f3a ch\u1ea5t:<\/strong> S\u1eed d\u1ee5ng \u0111\u1ec3 l\u00e0m m\u00e1t c\u00e1c quy tr\u00ecnh h\u00f3a h\u1ecdc, chuy\u1ec3n nhi\u1ec7t trong c\u00e1c h\u1ec7 th\u1ed1ng ph\u1ea3n \u1ee9ng.<\/li>\n<li><strong>H\u1ec7 th\u1ed1ng HVAC:<\/strong> \u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c h\u1ec7 th\u1ed1ng s\u01b0\u1edfi, th\u00f4ng gi\u00f3 v\u00e0 \u0111i\u1ec1u h\u00f2a kh\u00f4ng kh\u00ed \u0111\u1ec3 trao \u0111\u1ed5i nhi\u1ec7t gi\u1eefa kh\u00f4ng kh\u00ed v\u00e0 n\u01b0\u1edbc ho\u1eb7c c\u00e1c ch\u1ea5t l\u00e0m l\u1ea1nh.<\/li>\n<li><strong>C\u00f4ng nghi\u1ec7p n\u0103ng l\u01b0\u1ee3ng:<\/strong> \u1ee8ng d\u1ee5ng trong c\u00e1c nh\u00e0 m\u00e1y \u0111i\u1ec7n \u0111\u1ec3 trao \u0111\u1ed5i nhi\u1ec7t gi\u1eefa n\u01b0\u1edbc v\u00e0 h\u01a1i n\u01b0\u1edbc, gi\u00fap ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng v\u00e0 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t ho\u1ea1t \u0111\u1ed9ng.<\/li>\n<\/ul>\n<p>V\u1edbi nh\u1eefng l\u1ee3i \u00edch v\u01b0\u1ee3t tr\u1ed9i v\u1ec1 hi\u1ec7u su\u1ea5t, \u0111\u1ed9 tin c\u1eady v\u00e0 kh\u1ea3 n\u0103ng ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng, b\u1ed9 trao \u0111\u1ed5i nhi\u1ec7t d\u1ea1ng t\u1ea5m \u0111ang tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn \u01b0u ti\u00ean trong nhi\u1ec1u \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p v\u00e0 d\u00e2n d\u1ee5ng. Hi\u1ec3u r\u00f5 v\u1ec1 nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng v\u00e0 c\u00e1c y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u su\u1ea5t c\u1ee7a thi\u1ebft b\u1ecb n\u00e0y s\u1ebd gi\u00fap ch\u00fang ta \u1ee9ng d\u1ee5ng ch\u00fang m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3 h\u01a1n trong \u0111\u1eddi s\u1ed1ng v\u00e0 s\u1ea3n xu\u1ea5t.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>B\u1ed9 trao \u0111\u1ed5i nhi\u1ec7t d\u1ea1ng t\u1ea5m: Hi\u1ec7u su\u1ea5t v\u00e0 \u1ee9ng d\u1ee5ng trong ng\u00e0nh c\u00f4ng nghi\u1ec7p. T\u00ecm hi\u1ec3u c\u00e1ch ho\u1ea1t \u0111\u1ed9ng v\u00e0 l\u1ee3i \u00edch c\u1ee7a b\u1ed9 trao \u0111\u1ed5i nhi\u1ec7t n\u00e0y trong vi\u1ec7c ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng.<\/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>B\u1ed9 Trao \u0110\u1ed5i Nhi\u1ec7t D\u1ea1ng T\u1ea5m | Hi\u1ec7u Su\u1ea5t &amp; \u1ee8ng D\u1ee5ng<\/title>\n<meta name=\"description\" content=\"B\u1ed9 trao \u0111\u1ed5i nhi\u1ec7t d\u1ea1ng t\u1ea5m: Hi\u1ec7u su\u1ea5t v\u00e0 \u1ee9ng d\u1ee5ng trong ng\u00e0nh c\u00f4ng nghi\u1ec7p. 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