{"id":706768,"date":"2024-11-24T15:47:53","date_gmt":"2024-11-24T14:47:53","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=706768"},"modified":"2024-11-24T15:47:53","modified_gmt":"2024-11-24T14:47:53","slug":"he-thong-dam-dien-lanh-thiet-ke-tiet-kiem-nang-luong-dieu-hoa-nhiet","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/he-thong-dam-dien-lanh-thiet-ke-tiet-kiem-nang-luong-dieu-hoa-nhiet\/","title":{"rendered":"H\u1ec7 Th\u1ed1ng D\u1ea7m \u0110i\u1ec7n L\u1ea1nh | Thi\u1ebft K\u1ebf, Ti\u1ebft Ki\u1ec7m N\u0103ng L\u01b0\u1ee3ng \u0110i\u1ec1u H\u00f2a\/Nhi\u1ec7t"},"content":{"rendered":"<p class=\"sidekick\">H\u1ec7 th\u1ed1ng d\u1ea7m \u0111i\u1ec7n l\u1ea1nh: Thi\u1ebft k\u1ebf ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng, n\u00e2ng cao hi\u1ec7u qu\u1ea3 \u0111i\u1ec1u h\u00f2a nhi\u1ec7t \u0111\u1ed9 v\u00e0 gi\u1ea3m chi ph\u00ed v\u1eadn h\u00e0nh trong c\u00e1c c\u00f4ng tr\u00ecnh x\u00e2y d\u1ef1ng hi\u1ec7n \u0111\u1ea1i.<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/he_thong_dam_dien_lanh_thiet_ke_tiet_kiem_nang_luong_dieu_hoa-nhiet.png\" alt=\"H\u1ec7 Th\u1ed1ng D\u1ea7m \u0110i\u1ec7n L\u1ea1nh | Thi\u1ebft K\u1ebf, Ti\u1ebft Ki\u1ec7m N\u0103ng L\u01b0\u1ee3ng \u0110i\u1ec1u H\u00f2a\/Nhi\u1ec7t\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>H\u1ec7 Th\u1ed1ng D\u1ea7m \u0110i\u1ec7n L\u1ea1nh | Thi\u1ebft K\u1ebf, Ti\u1ebft Ki\u1ec7m N\u0103ng L\u01b0\u1ee3ng \u0110i\u1ec1u H\u00f2a\/Nhi\u1ec7t<\/h2>\n<p>Trong ng\u00e0nh k\u1ef9 thu\u1eadt nhi\u1ec7t, h\u1ec7 th\u1ed1ng d\u1ea7m \u0111i\u1ec7n l\u1ea1nh l\u00e0 m\u1ed9t gi\u1ea3i ph\u00e1p hi\u1ec7u qu\u1ea3 cho vi\u1ec7c \u0111i\u1ec1u h\u00f2a kh\u00f4ng kh\u00ed v\u00e0 ki\u1ec3m so\u00e1t nhi\u1ec7t \u0111\u1ed9 trong c\u00e1c t\u00f2a nh\u00e0. \u0110\u00e2y l\u00e0 m\u1ed9t h\u1ec7 th\u1ed1ng ph\u1ee9c t\u1ea1p \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf v\u1edbi m\u1ee5c ti\u00eau ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng v\u00e0 t\u0103ng c\u01b0\u1eddng hi\u1ec7u su\u1ea5t nhi\u1ec7t.<\/p>\n<h2>Thi\u1ebft K\u1ebf H\u1ec7 Th\u1ed1ng D\u1ea7m \u0110i\u1ec7n L\u1ea1nh<\/h2>\n<p>H\u1ec7 th\u1ed1ng d\u1ea7m \u0111i\u1ec7n l\u1ea1nh (Chilled Beam System) bao g\u1ed3m c\u00e1c d\u1ea7m \u0111\u01b0\u1ee3c g\u1eafn tr\u1ef1c ti\u1ebfp l\u00ean tr\u1ea7n c\u1ee7a t\u00f2a nh\u00e0. Trong c\u00e1c d\u1ea7m n\u00e0y c\u00f3 ch\u1ee9a \u1ed1ng d\u1eabn n\u01b0\u1edbc l\u1ea1nh ho\u1eb7c kh\u00ed l\u1ea1nh, \u0111\u01b0\u1ee3c l\u00e0m m\u00e1t b\u1edfi h\u1ec7 th\u1ed1ng chiller \u1edf trung t\u00e2m. C\u00f3 hai lo\u1ea1i h\u1ec7 th\u1ed1ng d\u1ea7m \u0111i\u1ec7n l\u1ea1nh ch\u00ednh:<\/p>\n<ul>\n<li><b>D\u1ea7m \u0111i\u1ec7n l\u1ea1nh th\u1ee5 \u0111\u1ed9ng<\/b>: D\u1ea7m \u0111i\u1ec7n l\u1ea1nh th\u1ee5 \u0111\u1ed9ng s\u1eed d\u1ee5ng s\u1ef1 \u0111\u1ed1i l\u01b0u t\u1ef1 nhi\u00ean \u0111\u1ec3 l\u00e0m m\u00e1t kh\u00f4ng kh\u00ed. N\u01b0\u1edbc l\u1ea1nh ch\u1ea3y trong c\u00e1c \u1ed1ng d\u1eabn s\u1ebd h\u1ea5p th\u1ee5 nhi\u1ec7t t\u1eeb kh\u00f4ng kh\u00ed xung quanh, l\u00e0m cho kh\u00f4ng kh\u00ed l\u1ea1nh \u0111i xu\u1ed1ng v\u00e0 lu\u00e2n chuy\u1ec3n trong ph\u00f2ng.<\/li>\n<li><b>D\u1ea7m \u0111i\u1ec7n l\u1ea1nh ch\u1ee7 \u0111\u1ed9ng<\/b>: D\u1ea7m \u0111i\u1ec7n l\u1ea1nh ch\u1ee7 \u0111\u1ed9ng k\u1ebft h\u1ee3p vi\u1ec7c s\u1eed d\u1ee5ng qu\u1ea1t \u0111\u1ec3 t\u0103ng c\u01b0\u1eddng lu\u1ed3ng kh\u00ed, gi\u00fap qu\u00e1 tr\u00ecnh l\u00e0m m\u00e1t di\u1ec5n ra nhanh ch\u00f3ng v\u00e0 hi\u1ec7u qu\u1ea3 h\u01a1n. Kh\u00f4ng kh\u00ed \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o d\u1ea7m qua c\u00e1c khe h\u1eb9p, khi ch\u1ea1m v\u00e0o \u1ed1ng d\u1eabn n\u01b0\u1edbc l\u1ea1nh, nhi\u1ec7t \u0111\u1ed9 gi\u1ea3m v\u00e0 kh\u00f4ng kh\u00ed l\u1ea1nh \u0111\u01b0\u1ee3c phun ra ph\u00f2ng.<\/li>\n<\/ul>\n<h2>Ti\u1ebft Ki\u1ec7m N\u0103ng L\u01b0\u1ee3ng \u0110i\u1ec1u H\u00f2a\/Nhi\u1ec7t<\/h2>\n<p>H\u1ec7 th\u1ed1ng d\u1ea7m \u0111i\u1ec7n l\u1ea1nh c\u00f3 nhi\u1ec1u \u01b0u \u0111i\u1ec3m trong vi\u1ec7c ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng:<\/p>\n<ol>\n<li><b>Hi\u1ec7u su\u1ea5t cao<\/b>: B\u1eb1ng vi\u1ec7c s\u1eed d\u1ee5ng n\u01b0\u1edbc l\u00e0m ch\u1ea5t l\u00e0m m\u00e1t thay v\u00ec kh\u00f4ng kh\u00ed, h\u1ec7 th\u1ed1ng d\u1ea7m \u0111i\u1ec7n l\u1ea1nh c\u00f3 th\u1ec3 chuy\u1ec3n nhi\u1ec7t hi\u1ec7u qu\u1ea3 h\u01a1n do n\u01b0\u1edbc c\u00f3 t\u1ef7 tr\u1ecdng nhi\u1ec7t cao h\u01a1n kh\u00f4ng kh\u00ed.<\/li>\n<li><b>Ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng cho qu\u1ea1t<\/b>: H\u1ec7 th\u1ed1ng d\u1ea7m \u0111i\u1ec7n l\u1ea1nh th\u1ee5 \u0111\u1ed9ng kh\u00f4ng c\u1ea7n d\u00f9ng nhi\u1ec1u qu\u1ea1t, gi\u00fap gi\u1ea3m chi ph\u00ed \u0111i\u1ec7n cho vi\u1ec7c v\u1eadn h\u00e0nh qu\u1ea1t.<\/li>\n<li><b>Ki\u1ec3m so\u00e1t nhi\u1ec7t \u0111\u1ed9 ch\u00ednh x\u00e1c<\/b>: H\u1ec7 th\u1ed1ng n\u00e0y cung c\u1ea5p kh\u1ea3 n\u0103ng ki\u1ec3m so\u00e1t nhi\u1ec7t \u0111\u1ed9 ch\u00ednh x\u00e1c h\u01a1n, gi\u00fap duy tr\u00ec m\u00f4i tr\u01b0\u1eddng tho\u1ea3i m\u00e1i v\u00e0 \u1ed5n \u0111\u1ecbnh h\u01a1n.<\/li>\n<li><b>Gi\u1ea3m t\u1ea3i h\u1ec7 th\u1ed1ng HVAC<\/b>: Khi s\u1eed d\u1ee5ng d\u1ea7m \u0111i\u1ec7n l\u1ea1nh, c\u00e1c h\u1ec7 th\u1ed1ng HVAC trung t\u00e2m s\u1ebd ho\u1ea1t \u0111\u1ed9ng \u00edt h\u01a1n, gi\u00fap gi\u1ea3m ti\u00eau th\u1ee5 n\u0103ng l\u01b0\u1ee3ng v\u00e0 chi ph\u00ed b\u1ea3o tr\u00ec.<\/li>\n<\/ol>\n<p>M\u1ed9t s\u1ed1 c\u00f4ng th\u1ee9c li\u00ean quan \u0111\u1ebfn t\u00ednh to\u00e1n n\u0103ng l\u01b0\u1ee3ng trong h\u1ec7 th\u1ed1ng d\u1ea7m \u0111i\u1ec7n l\u1ea1nh bao g\u1ed3m:<\/p>\n<p><sup>QN =<br \/>\n\\frac{A * \\Delta T * U}{\\Delta x}<\/sup><\/p>\n<ul>\n<li><b>QN<\/b>: N\u0103ng l\u01b0\u1ee3ng trao \u0111\u1ed5i nhi\u1ec7t (W)<\/li>\n<li><b>A<\/b>: Di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t trao \u0111\u1ed5i nhi\u1ec7t (m<sup>2<\/sup>)<\/li>\n<li><b>\\Delta T<\/b>: Ch\u00eanh l\u1ec7ch nhi\u1ec7t \u0111\u1ed9 gi\u1eefa m\u00f4i tr\u01b0\u1eddng v\u00e0 ch\u1ea5t l\u00e0m m\u00e1t (\u00b0C)<\/li>\n<li><b>U<\/b>: H\u1ec7 s\u1ed1 trao \u0111\u1ed5i nhi\u1ec7t (W\/m<sup>2<\/sup>.\u00b0C)<\/li>\n<li><b>\\Delta x<\/b>: \u0110\u1ed9 d\u00e0y c\u1ee7a v\u1eadt li\u1ec7u trao \u0111\u1ed5i nhi\u1ec7t (m)<\/li>\n<\/ul>\n<p>Qua b\u00e0i vi\u1ebft n\u00e0y, ch\u00fang ta \u0111\u00e3 c\u00f3 c\u00e1i nh\u00ecn t\u1ed5ng quan v\u1ec1 h\u1ec7 th\u1ed1ng d\u1ea7m \u0111i\u1ec7n l\u1ea1nh, t\u1eeb thi\u1ebft k\u1ebf \u0111\u1ebfn hi\u1ec7u qu\u1ea3 ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng. \u0110\u00e2y l\u00e0 m\u1ed9t gi\u1ea3i ph\u00e1p hi\u1ec7u qu\u1ea3 v\u00e0 b\u1ec1n v\u1eefng cho vi\u1ec7c \u0111i\u1ec1u h\u00f2a kh\u00f4ng kh\u00ed, gi\u00fap gi\u1ea3m thi\u1ec3u chi ph\u00ed ho\u1ea1t \u0111\u1ed9ng v\u00e0 b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>H\u1ec7 th\u1ed1ng d\u1ea7m \u0111i\u1ec7n l\u1ea1nh: Thi\u1ebft k\u1ebf ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng, n\u00e2ng cao hi\u1ec7u qu\u1ea3 \u0111i\u1ec1u h\u00f2a nhi\u1ec7t \u0111\u1ed9 v\u00e0 gi\u1ea3m chi ph\u00ed v\u1eadn h\u00e0nh trong c\u00e1c c\u00f4ng tr\u00ecnh x\u00e2y d\u1ef1ng hi\u1ec7n \u0111\u1ea1i.<\/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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