{"id":699847,"date":"2024-11-21T09:26:03","date_gmt":"2024-11-21T08:26:03","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=699847"},"modified":"2024-11-21T09:26:03","modified_gmt":"2024-11-21T08:26:03","slug":"chuyen-doi-nhiet-trong-he-thong-dia-nhiet","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/chuyen-doi-nhiet-trong-he-thong-dia-nhiet\/","title":{"rendered":"Chuy\u1ec3n \u0111\u1ed5i nhi\u1ec7t trong h\u1ec7 th\u1ed1ng \u0111\u1ecba nhi\u1ec7t"},"content":{"rendered":"<p class=\"sidekick\">Chuy\u1ec3n \u0111\u1ed5i nhi\u1ec7t trong h\u1ec7 th\u1ed1ng \u0111\u1ecba nhi\u1ec7t: h\u01b0\u1edbng d\u1eabn c\u00e1ch th\u1ee9c h\u1ec7 th\u1ed1ng \u0111\u1ecba nhi\u1ec7t bi\u1ebfn n\u0103ng l\u01b0\u1ee3ng nhi\u1ec7t t\u1eeb l\u00f2ng \u0111\u1ea5t th\u00e0nh \u0111i\u1ec7n n\u0103ng v\u00e0 s\u01b0\u1edfi \u1ea5m hi\u1ec7u qu\u1ea3.<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/chuyen_doi_nhiet_trong_he_thong_dia_nhiet.png\" alt=\"Chuy\u1ec3n \u0111\u1ed5i nhi\u1ec7t trong h\u1ec7 th\u1ed1ng \u0111\u1ecba nhi\u1ec7t\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>Chuy\u1ec3n \u0111\u1ed5i nhi\u1ec7t trong h\u1ec7 th\u1ed1ng \u0111\u1ecba nhi\u1ec7t<\/h2>\n<p>Nhi\u1ec7t \u0111\u1ecba nhi\u1ec7t l\u00e0 m\u1ed9t ngu\u1ed3n n\u0103ng l\u01b0\u1ee3ng b\u1ec1n v\u1eefng v\u00e0 s\u1ea1ch, \u0111\u01b0\u1ee3c l\u1ea5y t\u1eeb nhi\u1ec7t trong l\u00f2ng \u0111\u1ea5t. C\u00f4ng ngh\u1ec7 nhi\u1ec7t \u0111\u1ecba nhi\u1ec7t c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 s\u1ea3n xu\u1ea5t \u0111i\u1ec7n, cung c\u1ea5p nhi\u1ec7t cho c\u00e1c c\u00f4ng tr\u00ecnh x\u00e2y d\u1ef1ng, v\u00e0 nhi\u1ec1u \u1ee9ng d\u1ee5ng kh\u00e1c. H\u1ec7 th\u1ed1ng chuy\u1ec3n \u0111\u1ed5i nhi\u1ec7t \u0111\u1ecba nhi\u1ec7t l\u00e0 m\u1ed9t ph\u1ea7n quan tr\u1ecdng trong vi\u1ec7c khai th\u00e1c ngu\u1ed3n n\u0103ng l\u01b0\u1ee3ng n\u00e0y.<\/p>\n<h2>Nguy\u00ean l\u00fd c\u01a1 b\u1ea3n c\u1ee7a chuy\u1ec3n \u0111\u1ed5i nhi\u1ec7t \u0111\u1ecba nhi\u1ec7t<\/h2>\n<p>H\u1ec7 th\u1ed1ng \u0111\u1ecba nhi\u1ec7t ho\u1ea1t \u0111\u1ed9ng d\u1ef1a tr\u00ean nguy\u00ean l\u00fd c\u1ee7a s\u1ef1 d\u1eabn nhi\u1ec7t v\u00e0 \u0111\u1ed1i l\u01b0u. Nhi\u1ec7t t\u1eeb l\u00f2ng \u0111\u1ea5t \u0111\u01b0\u1ee3c truy\u1ec1n l\u00ean b\u1ec1 m\u1eb7t th\u00f4ng qua c\u00e1c gi\u1ebfng khoan, r\u1ed3i sau \u0111\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 t\u1ea1o ra n\u0103ng l\u01b0\u1ee3ng.<\/p>\n<ul>\n<li><strong>D\u1eabn nhi\u1ec7t:<\/strong> Nhi\u1ec7t \u0111\u01b0\u1ee3c d\u1eabn t\u1eeb c\u00e1c l\u1edbp s\u00e2u c\u1ee7a tr\u00e1i \u0111\u1ea5t l\u00ean \u0111\u1ebfn b\u1ec1 m\u1eb7t.<\/li>\n<li><strong>\u0110\u1ed1i l\u01b0u:<\/strong> Ch\u1ea5t l\u1ecfng tu\u1ea7n ho\u00e0n (th\u01b0\u1eddng l\u00e0 n\u01b0\u1edbc ho\u1eb7c h\u01a1i n\u01b0\u1edbc) mang nhi\u1ec7t t\u1eeb l\u00f2ng \u0111\u1ea5t l\u00ean b\u1ec1 m\u1eb7t.<\/li>\n<\/ul>\n<p>Quy tr\u00ecnh chuy\u1ec3n \u0111\u1ed5i nhi\u1ec7t \u0111\u1ecba nhi\u1ec7t th\u01b0\u1eddng g\u1ed3m ba b\u01b0\u1edbc ch\u00ednh:<\/p>\n<ol>\n<li>Khoan gi\u1ebfng \u0111\u1ec3 ti\u1ebfp c\u1eadn ngu\u1ed3n nhi\u1ec7t \u0111\u1ecba nhi\u1ec7t.<\/li>\n<li>Tu\u1ea7n ho\u00e0n ch\u1ea5t l\u1ecfng \u0111\u1ec3 h\u1ea5p th\u1ee5 v\u00e0 chuy\u1ec3n \u0111\u1ed5i nhi\u1ec7t.<\/li>\n<li>S\u1eed d\u1ee5ng nhi\u1ec7t n\u00e0y \u0111\u1ec3 s\u1ea3n xu\u1ea5t \u0111i\u1ec7n ho\u1eb7c cung c\u1ea5p nhi\u1ec7t cho c\u00e1c h\u1ec7 th\u1ed1ng s\u01b0\u1edfi.<\/li>\n<\/ol>\n<h2>C\u01a1 s\u1edf v\u1eadt l\u00fd c\u1ee7a chuy\u1ec3n \u0111\u1ed5i nhi\u1ec7t \u0111\u1ecba nhi\u1ec7t<\/h2>\n<p>Trong qu\u00e1 tr\u00ecnh chuy\u1ec3n \u0111\u1ed5i nhi\u1ec7t, n\u0103ng l\u01b0\u1ee3ng \u0111\u01b0\u1ee3c truy\u1ec1n t\u1eeb v\u00f9ng nhi\u1ec7t \u0111\u1ed9 cao h\u01a1n \u0111\u1ebfn v\u00f9ng nhi\u1ec7t \u0111\u1ed9 th\u1ea5p h\u01a1n. Ph\u01b0\u01a1ng tr\u00ecnh c\u01a1 b\u1ea3n m\u00f4 t\u1ea3 qu\u00e1 tr\u00ecnh truy\u1ec1n nhi\u1ec7t l\u00e0:<\/p>\n<p>Q = m \\cdot c \\cdot \\Delta T<\/p>\n<p>Trong \u0111\u00f3:<\/p>\n<ul>\n<li>Q: Nhi\u1ec7t l\u01b0\u1ee3ng truy\u1ec1n t\u1ea3i (Joule)<\/li>\n<li>m: Kh\u1ed1i l\u01b0\u1ee3ng c\u1ee7a ch\u1ea5t l\u1ecfng (kg)<\/li>\n<li>c: Nhi\u1ec7t dung ri\u00eang c\u1ee7a ch\u1ea5t l\u1ecfng (J\/kg\u00b7\u00b0C)<\/li>\n<li>\u0394T: S\u1ef1 thay \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9 (\u00b0C)<\/li>\n<\/ul>\n<p>Hi\u1ec7u su\u1ea5t c\u1ee7a h\u1ec7 th\u1ed1ng \u0111\u1ecba nhi\u1ec7t c\u0169ng \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n d\u1ef1a tr\u00ean nguy\u00ean t\u1eafc c\u1ee7a hi\u1ec7u su\u1ea5t nhi\u1ec7t \u0111\u1ed9ng h\u1ecdc:<\/p>\n<p>Efficiency = \\frac{W_{out}}{Q_{in}} \\cdot 100%<\/p>\n<p>Trong \u0111\u00f3 W<sub>out<\/sub> l\u00e0 c\u00f4ng su\u1ea5t th\u1ef1c t\u1ebf ch\u00fang ta thu \u0111\u01b0\u1ee3c v\u00e0 Q<sub>in<\/sub> l\u00e0 nhi\u1ec7t l\u01b0\u1ee3ng \u0111\u1ea7u v\u00e0o.<\/p>\n<h2>\u1ee8ng d\u1ee5ng th\u1ef1c t\u1ebf c\u1ee7a h\u1ec7 th\u1ed1ng \u0111\u1ecba nhi\u1ec7t<\/h2>\n<p>H\u1ec7 th\u1ed1ng \u0111\u1ecba nhi\u1ec7t c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng v\u00e0o nhi\u1ec1u m\u1ee5c \u0111\u00edch kh\u00e1c nhau, bao g\u1ed3m:<\/p>\n<ul>\n<li><strong>S\u1ea3n xu\u1ea5t \u0111i\u1ec7n:<\/strong> C\u00e1c nh\u00e0 m\u00e1y \u0111i\u1ec7n \u0111\u1ecba nhi\u1ec7t s\u1eed d\u1ee5ng nhi\u1ec7t t\u1eeb l\u00f2ng \u0111\u1ea5t \u0111\u1ec3 l\u00e0m quay tuabin v\u00e0 sinh \u0111i\u1ec7n.<\/li>\n<li><strong>H\u1ec7 th\u1ed1ng s\u01b0\u1edfi:<\/strong> \u0110\u1ecba nhi\u1ec7t c\u00f3 th\u1ec3 cung c\u1ea5p nhi\u1ec7t \u1ed5n \u0111\u1ecbnh cho h\u1ec7 th\u1ed1ng s\u01b0\u1edfi c\u1ee7a c\u00e1c t\u00f2a nh\u00e0.<\/li>\n<li><strong>N\u00f4ng nghi\u1ec7p:<\/strong> Cung c\u1ea5p nhi\u1ec7t cho h\u1ec7 th\u1ed1ng nh\u00e0 k\u00ednh, gi\u00fap c\u00e2y tr\u1ed3ng ph\u00e1t tri\u1ec3n nhanh h\u01a1n.<\/li>\n<\/ul>\n<h2>K\u1ebft lu\u1eadn<\/h2>\n<p>Chuy\u1ec3n \u0111\u1ed5i nhi\u1ec7t trong h\u1ec7 th\u1ed1ng \u0111\u1ecba nhi\u1ec7t l\u00e0 m\u1ed9t c\u00f4ng ngh\u1ec7 \u0111\u00e1ng ch\u00fa \u00fd v\u1edbi ti\u1ec1m n\u0103ng l\u1edbn trong vi\u1ec7c cung c\u1ea5p n\u0103ng l\u01b0\u1ee3ng s\u1ea1ch v\u00e0 b\u1ec1n v\u1eefng. Vi\u1ec7c hi\u1ec3u r\u00f5 c\u00e1c nguy\u00ean l\u00fd v\u00e0 \u1ee9ng d\u1ee5ng c\u1ee7a chuy\u1ec3n \u0111\u1ed5i nhi\u1ec7t \u0111\u1ecba nhi\u1ec7t gi\u00fap khai th\u00e1c t\u1ed1i \u01b0u ngu\u1ed3n n\u0103ng l\u01b0\u1ee3ng n\u00e0y, \u0111\u1ed3ng th\u1eddi g\u00f3p ph\u1ea7n gi\u1ea3m thi\u1ec3u t\u00e1c \u0111\u1ed9ng ti\u00eau c\u1ef1c \u0111\u1ebfn m\u00f4i tr\u01b0\u1eddng.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Chuy\u1ec3n \u0111\u1ed5i nhi\u1ec7t trong h\u1ec7 th\u1ed1ng \u0111\u1ecba nhi\u1ec7t: h\u01b0\u1edbng d\u1eabn c\u00e1ch th\u1ee9c h\u1ec7 th\u1ed1ng \u0111\u1ecba nhi\u1ec7t bi\u1ebfn n\u0103ng l\u01b0\u1ee3ng nhi\u1ec7t t\u1eeb l\u00f2ng \u0111\u1ea5t th\u00e0nh \u0111i\u1ec7n n\u0103ng v\u00e0 s\u01b0\u1edfi \u1ea5m hi\u1ec7u qu\u1ea3.<\/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>Chuy\u1ec3n \u0111\u1ed5i nhi\u1ec7t trong h\u1ec7 th\u1ed1ng \u0111\u1ecba nhi\u1ec7t<\/title>\n<meta name=\"description\" content=\"Chuy\u1ec3n \u0111\u1ed5i nhi\u1ec7t trong h\u1ec7 th\u1ed1ng \u0111\u1ecba nhi\u1ec7t: h\u01b0\u1edbng d\u1eabn c\u00e1ch th\u1ee9c h\u1ec7 th\u1ed1ng \u0111\u1ecba nhi\u1ec7t bi\u1ebfn n\u0103ng l\u01b0\u1ee3ng nhi\u1ec7t t\u1eeb l\u00f2ng \u0111\u1ea5t th\u00e0nh \u0111i\u1ec7n n\u0103ng v\u00e0 s\u01b0\u1edfi \u1ea5m hi\u1ec7u qu\u1ea3.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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