{"id":678245,"date":"2024-09-12T09:32:11","date_gmt":"2024-09-12T08:32:11","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=678245"},"modified":"2024-09-12T09:32:11","modified_gmt":"2024-09-12T08:32:11","slug":"he-thong-cach-nhiet-chu-dong","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/he-thong-cach-nhiet-chu-dong\/","title":{"rendered":"H\u1ec7 th\u1ed1ng c\u00e1ch nhi\u1ec7t ch\u1ee7 \u0111\u1ed9ng"},"content":{"rendered":"<p class=\"sidekick\">H\u1ec7 th\u1ed1ng c\u00e1ch nhi\u1ec7t ch\u1ee7 \u0111\u1ed9ng: Gi\u1ea3i ph\u00e1p t\u1ed1i \u01b0u gi\u1ea3m nhi\u1ec7t, ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng trong c\u00e1c c\u00f4ng tr\u00ecnh x\u00e2y d\u1ef1ng v\u00e0 c\u00f4ng nghi\u1ec7p, \u0111\u1ea3m b\u1ea3o hi\u1ec7u qu\u1ea3 v\u00e0 b\u1ec1n v\u1eefng.<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/he_thong_cach_nhiet_chu_dong.png\" alt=\"H\u1ec7 th\u1ed1ng c\u00e1ch nhi\u1ec7t ch\u1ee7 \u0111\u1ed9ng\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>H\u1ec7 th\u1ed1ng c\u00e1ch nhi\u1ec7t ch\u1ee7 \u0111\u1ed9ng<\/h2>\n<p>Trong ng\u00e0nh k\u1ef9 thu\u1eadt nhi\u1ec7t, h\u1ec7 th\u1ed1ng c\u00e1ch nhi\u1ec7t ch\u1ee7 \u0111\u1ed9ng \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c duy tr\u00ec v\u00e0 \u0111i\u1ec1u ch\u1ec9nh nhi\u1ec7t \u0111\u1ed9 trong c\u00e1c m\u00f4i tr\u01b0\u1eddng kh\u00e1c nhau. C\u00e1c h\u1ec7 th\u1ed1ng n\u00e0y kh\u00f4ng ch\u1ec9 g\u00f3p ph\u1ea7n ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng m\u00e0 c\u00f2n c\u1ea3i thi\u1ec7n s\u1ef1 tho\u1ea3i m\u00e1i v\u00e0 hi\u1ec7u qu\u1ea3 ho\u1ea1t \u0111\u1ed9ng c\u1ee7a c\u00e1c thi\u1ebft b\u1ecb v\u00e0 c\u00f4ng tr\u00ecnh.<\/p>\n<h2>Kh\u00e1i ni\u1ec7m c\u01a1 b\u1ea3n v\u1ec1 h\u1ec7 th\u1ed1ng c\u00e1ch nhi\u1ec7t ch\u1ee7 \u0111\u1ed9ng<\/h2>\n<p>H\u1ec7 th\u1ed1ng c\u00e1ch nhi\u1ec7t ch\u1ee7 \u0111\u1ed9ng l\u00e0 c\u00e1c c\u01a1 ch\u1ebf ho\u1eb7c c\u00f4ng ngh\u1ec7 \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 gi\u1ea3m thi\u1ec3u s\u1ef1 m\u1ea5t m\u00e1t nhi\u1ec7t ho\u1eb7c h\u1ea5p thu nhi\u1ec7t t\u1eeb m\u00f4i tr\u01b0\u1eddng xung quanh. C\u00e1c h\u1ec7 th\u1ed1ng n\u00e0y th\u01b0\u1eddng bao g\u1ed3m c\u00e1c thi\u1ebft b\u1ecb nh\u01b0 m\u00e1y \u0111i\u1ec1u h\u00f2a kh\u00f4ng kh\u00ed, m\u00e1y s\u01b0\u1edfi, v\u00e0 b\u01a1m nhi\u1ec7t.<\/p>\n<ul>\n<li><strong>M\u00e1y \u0111i\u1ec1u h\u00f2a kh\u00f4ng kh\u00ed:<\/strong> S\u1eed d\u1ee5ng \u0111\u1ec3 l\u00e0m m\u00e1t ho\u1eb7c s\u01b0\u1edfi \u1ea5m kh\u00f4ng gian n\u1ed9i th\u1ea5t.<\/li>\n<li><strong>M\u00e1y s\u01b0\u1edfi:<\/strong> T\u1ea1o nhi\u1ec7t \u0111\u1ec3 duy tr\u00ec nhi\u1ec7t \u0111\u1ed9 \u1ea5m \u00e1p trong m\u00f9a l\u1ea1nh.<\/li>\n<li><strong>B\u01a1m nhi\u1ec7t:<\/strong> Di chuy\u1ec3n nhi\u1ec7t t\u1eeb n\u01a1i n\u00e0y sang n\u01a1i kh\u00e1c, c\u00f3 th\u1ec3 l\u00e0 \u0111\u1ec3 l\u00e0m m\u00e1t ho\u1eb7c s\u01b0\u1edfi \u1ea5m.<\/li>\n<\/ul>\n<h2>C\u01a1 ch\u1ebf ho\u1ea1t \u0111\u1ed9ng<\/h2>\n<p>V\u00ed d\u1ee5, m\u1ed9t m\u00e1y \u0111i\u1ec1u h\u00f2a kh\u00f4ng kh\u00ed ho\u1ea1t \u0111\u1ed9ng theo nguy\u00ean l\u00fd l\u00e0m m\u00e1t b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng kh\u00ed n\u00e9n \u0111\u1ec3 thay \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9 kh\u00f4ng kh\u00ed trong ph\u00f2ng. Qu\u00e1 tr\u00ecnh n\u00e0y bao g\u1ed3m b\u1ed1n b\u01b0\u1edbc ch\u00ednh:<\/p>\n<ol>\n<li><strong>N\u00e9n kh\u00ed:<\/strong> M\u00e1y n\u00e9n t\u1ea1o \u00e1p su\u1ea5t cao cho ch\u1ea5t l\u00e0m l\u1ea1nh (th\u01b0\u1eddng l\u00e0 Freon) \u0111\u1ec3 kh\u00ed n\u00e0y tr\u1edf n\u00ean n\u00f3ng h\u01a1n.<\/li>\n<li><strong>Ng\u01b0ng t\u1ee5:<\/strong> Ch\u1ea5t l\u00e0m l\u1ea1nh n\u00f3ng \u0111i qua b\u1ed9 ph\u1eadn ng\u01b0ng t\u1ee5 v\u00e0 m\u1ea5t nhi\u1ec7t v\u00e0o kh\u00f4ng kh\u00ed xung quanh, chuy\u1ec3n \u0111\u1ed5i t\u1eeb kh\u00ed sang l\u1ecfng.<\/li>\n<li><strong>Gi\u00e3n n\u1edf:<\/strong> Ch\u1ea5t l\u00e0m l\u1ea1nh sau \u0111\u00f3 \u0111i qua m\u1ed9t van gi\u1ea3m \u00e1p, l\u00e0m gi\u1ea3m nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u00e1p su\u1ea5t c\u1ee7a n\u00f3.<\/li>\n<li><strong>Bay h\u01a1i:<\/strong> Ch\u1ea5t l\u00e0m l\u1ea1nh l\u1ea1nh \u0111i qua b\u1ed9 ph\u1eadn bay h\u01a1i v\u00e0 h\u1ea5p thu nhi\u1ec7t t\u1eeb kh\u00f4ng kh\u00ed trong ph\u00f2ng, l\u00e0m m\u00e1t kh\u00f4ng kh\u00ed.<\/li>\n<\/ol>\n<p>C\u00f4ng th\u1ee9c cho hi\u1ec7u qu\u1ea3 c\u1ee7a m\u00e1y \u0111i\u1ec1u h\u00f2a kh\u00f4ng kh\u00ed, c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 h\u1ec7 s\u1ed1 hi\u1ec7u su\u1ea5t (COP), \u0111\u01b0\u1ee3c t\u00ednh b\u1eb1ng:<\/p>\n<p>$$COP = \\frac{Q_{cool}}{W}$$<\/p>\n<p>Trong \u0111\u00f3, \\(Q_{cool}\\) l\u00e0 nhi\u1ec7t l\u01b0\u1ee3ng \u0111\u01b0\u1ee3c lo\u1ea1i b\u1ecf v\u00e0 \\(W\\) l\u00e0 c\u00f4ng su\u1ea5t \u0111\u1ea7u v\u00e0o.<\/p>\n<h2>L\u1ee3i \u00edch c\u1ee7a h\u1ec7 th\u1ed1ng c\u00e1ch nhi\u1ec7t ch\u1ee7 \u0111\u1ed9ng<\/h2>\n<ul>\n<li><strong>Ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng:<\/strong> Gi\u1ea3m l\u01b0\u1ee3ng ti\u00eau th\u1ee5 n\u0103ng l\u01b0\u1ee3ng trong vi\u1ec7c duy tr\u00ec nhi\u1ec7t \u0111\u1ed9 th\u00edch h\u1ee3p.<\/li>\n<li><strong>C\u1ea3i thi\u1ec7n s\u1ee9c kh\u1ecfe v\u00e0 s\u1ef1 tho\u1ea3i m\u00e1i:<\/strong> H\u1ec7 th\u1ed1ng n\u00e0y gi\u00fap duy tr\u00ec m\u00f4i tr\u01b0\u1eddng s\u1ed1ng v\u00e0 l\u00e0m vi\u1ec7c tho\u1ea3i m\u00e1i, \u1ea3nh h\u01b0\u1edfng t\u00edch c\u1ef1c \u0111\u1ebfn s\u1ee9c kh\u1ecfe.<\/li>\n<li><strong>B\u1ea3o v\u1ec7 thi\u1ebft b\u1ecb:<\/strong> Gi\u1eef c\u00e1c thi\u1ebft b\u1ecb v\u00e0 m\u00e1y m\u00f3c ho\u1ea1t \u0111\u1ed9ng \u1edf nhi\u1ec7t \u0111\u1ed9 t\u1ed1i \u01b0u, k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd v\u00e0 hi\u1ec7u su\u1ea5t c\u1ee7a ch\u00fang.<\/li>\n<\/ul>\n<h2>K\u1ebft lu\u1eadn<\/h2>\n<p>H\u1ec7 th\u1ed1ng c\u00e1ch nhi\u1ec7t ch\u1ee7 \u0111\u1ed9ng kh\u00f4ng ch\u1ec9 l\u00e0 m\u1ed9t ph\u1ea7n quan tr\u1ecdng trong ng\u00e0nh k\u1ef9 thu\u1eadt nhi\u1ec7t m\u00e0 c\u00f2n \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng cu\u1ed9c s\u1ed1ng v\u00e0 ho\u1ea1t \u0111\u1ed9ng hi\u1ec7u qu\u1ea3 c\u1ee7a c\u00e1c h\u1ec7 th\u1ed1ng k\u1ef9 thu\u1eadt kh\u00e1c nhau. Hi\u1ec3u bi\u1ebft v\u1ec1 c\u00e1ch m\u00e0 c\u00e1c h\u1ec7 th\u1ed1ng n\u00e0y ho\u1ea1t \u0111\u1ed9ng gi\u00fap ch\u00fang ta t\u1eadn d\u1ee5ng t\u1ed1t h\u01a1n c\u00e1c c\u00f4ng ngh\u1ec7 hi\u1ec7n \u0111\u1ea1i \u0111\u1ec3 t\u1ed1i \u01b0u h\u00f3a n\u0103ng l\u01b0\u1ee3ng v\u00e0 duy tr\u00ec m\u00f4i tr\u01b0\u1eddng s\u1ed1ng tho\u1ea3i m\u00e1i.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>H\u1ec7 th\u1ed1ng c\u00e1ch nhi\u1ec7t ch\u1ee7 \u0111\u1ed9ng: Gi\u1ea3i ph\u00e1p t\u1ed1i \u01b0u gi\u1ea3m nhi\u1ec7t, ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng trong c\u00e1c c\u00f4ng tr\u00ecnh x\u00e2y d\u1ef1ng v\u00e0 c\u00f4ng nghi\u1ec7p, \u0111\u1ea3m b\u1ea3o hi\u1ec7u qu\u1ea3 v\u00e0 b\u1ec1n v\u1eefng.<\/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 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