{"id":696960,"date":"2024-10-11T16:05:50","date_gmt":"2024-10-11T15:05:50","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=696960"},"modified":"2024-10-11T16:05:50","modified_gmt":"2024-10-11T15:05:50","slug":"hieu-suat-nhiet-cua-vat-lieu-chuyen-pha-trong-cac-cong-trinh-xay-dung","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/hieu-suat-nhiet-cua-vat-lieu-chuyen-pha-trong-cac-cong-trinh-xay-dung\/","title":{"rendered":"Hi\u1ec7u su\u1ea5t nhi\u1ec7t c\u1ee7a v\u1eadt li\u1ec7u chuy\u1ec3n pha trong c\u00e1c c\u00f4ng tr\u00ecnh x\u00e2y d\u1ef1ng"},"content":{"rendered":"<p class=\"sidekick\">Hi\u1ec7u su\u1ea5t nhi\u1ec7t c\u1ee7a v\u1eadt li\u1ec7u chuy\u1ec3n pha trong c\u00e1c c\u00f4ng tr\u00ecnh x\u00e2y d\u1ef1ng: T\u00ecm hi\u1ec3u c\u00e1ch v\u1eadt li\u1ec7u n\u00e0y gi\u00fap ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng v\u00e0 c\u1ea3i thi\u1ec7n nhi\u1ec7t \u0111\u1ed9 kh\u00f4ng gian s\u1ed1ng.<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/hieu_suat_nhiet_cua_vat_lieu_chuyen_pha_trong_cac_cong_trinh_xay_dung.png\" alt=\"Hi\u1ec7u su\u1ea5t nhi\u1ec7t c\u1ee7a v\u1eadt li\u1ec7u chuy\u1ec3n pha trong c\u00e1c c\u00f4ng tr\u00ecnh x\u00e2y d\u1ef1ng\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>Hi\u1ec7u su\u1ea5t nhi\u1ec7t c\u1ee7a v\u1eadt li\u1ec7u chuy\u1ec3n pha trong c\u00e1c c\u00f4ng tr\u00ecnh x\u00e2y d\u1ef1ng<\/h2>\n<p>Trong l\u0129nh v\u1ef1c k\u1ef9 thu\u1eadt nhi\u1ec7t, v\u1eadt li\u1ec7u chuy\u1ec3n pha (Phase Change Materials &#8211; PCMs) \u0111\u00e3 v\u00e0 \u0111ang \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00e1c c\u00f4ng tr\u00ecnh x\u00e2y d\u1ef1ng \u0111\u1ec3 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t nhi\u1ec7t. Hi\u1ec3u m\u1ed9t c\u00e1ch \u0111\u01a1n gi\u1ea3n, v\u1eadt li\u1ec7u chuy\u1ec3n pha l\u00e0 nh\u1eefng ch\u1ea5t c\u00f3 kh\u1ea3 n\u0103ng h\u1ea5p th\u1ee5 v\u00e0 gi\u1ea3i ph\u00f3ng n\u0103ng l\u01b0\u1ee3ng nhi\u1ec7t khi ch\u00fang chuy\u1ec3n t\u1eeb pha r\u1eafn sang pha l\u1ecfng ho\u1eb7c ng\u01b0\u1ee3c l\u1ea1i.<\/p>\n<h2>C\u01a1 ch\u1ebf ho\u1ea1t \u0111\u1ed9ng c\u1ee7a v\u1eadt li\u1ec7u chuy\u1ec3n pha<\/h2>\n<p>V\u1eadt li\u1ec7u chuy\u1ec3n pha ho\u1ea1t \u0111\u1ed9ng d\u1ef1a tr\u00ean nguy\u00ean t\u1eafc h\u1ea5p th\u1ee5 ho\u1eb7c gi\u1ea3i ph\u00f3ng nhi\u1ec7t t\u1ea1i nhi\u1ec7t \u0111\u1ed9 chuy\u1ec3n pha c\u1ee7a ch\u00fang. Khi nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng t\u0103ng cao v\u00e0 v\u01b0\u1ee3t qu\u00e1 nhi\u1ec7t \u0111\u1ed9 chuy\u1ec3n pha, v\u1eadt li\u1ec7u s\u1ebd h\u1ea5p th\u1ee5 nhi\u1ec7t v\u00e0 chuy\u1ec3n t\u1eeb pha r\u1eafn sang pha l\u1ecfng. \u0110i\u1ec1u n\u00e0y gi\u00fap gi\u1eef cho kh\u00f4ng gian b\u00ean trong c\u00f4ng tr\u00ecnh m\u00e1t m\u1ebb h\u01a1n v\u00e0o nh\u1eefng ng\u00e0y n\u1eafng n\u00f3ng. Ng\u01b0\u1ee3c l\u1ea1i, khi nhi\u1ec7t \u0111\u1ed9 gi\u1ea3m xu\u1ed1ng d\u01b0\u1edbi nhi\u1ec7t \u0111\u1ed9 chuy\u1ec3n pha, v\u1eadt li\u1ec7u s\u1ebd gi\u1ea3i ph\u00f3ng nhi\u1ec7t v\u00e0 \u0111\u00f4ng \u0111\u1eb7c tr\u1edf l\u1ea1i, gi\u00fap duy tr\u00ec nhi\u1ec7t \u0111\u1ed9 \u1ea5m \u00e1p trong kh\u00f4ng gian.<\/p>\n<h2>\u1ee8ng d\u1ee5ng c\u1ee7a v\u1eadt li\u1ec7u chuy\u1ec3n pha trong x\u00e2y d\u1ef1ng<\/h2>\n<ul>\n<li><b>T\u01b0\u1eddng v\u00e0 m\u00e1i nh\u00e0:<\/b> PCMs \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p v\u00e0o t\u01b0\u1eddng v\u00e0 m\u00e1i nh\u00e0 \u0111\u1ec3 t\u0103ng kh\u1ea3 n\u0103ng c\u00e1ch nhi\u1ec7t, gi\u1ea3m nhu c\u1ea7u s\u1eed d\u1ee5ng \u0111i\u1ec1u h\u00f2a kh\u00f4ng kh\u00ed v\u00e0 h\u1ec7 th\u1ed1ng s\u01b0\u1edfi.<\/li>\n<li><b>S\u00e0n nh\u00e0:<\/b> V\u1eadt li\u1ec7u chuy\u1ec3n pha c\u0169ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong s\u00e0n nh\u00e0 \u0111\u1ec3 duy tr\u00ec nhi\u1ec7t \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh, nh\u1ea5t l\u00e0 trong c\u00e1c khu v\u1ef1c nhi\u1ec7t \u0111\u1edbi ho\u1eb7c \u00f4n \u0111\u1edbi.<\/li>\n<li><b>C\u1eeda s\u1ed5:<\/b> C\u00f3 th\u1ec3 \u00e1p d\u1ee5ng PCMs v\u00e0o khung c\u1eeda s\u1ed5 \u0111\u1ec3 c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng c\u00e1ch nhi\u1ec7t v\u00e0 gi\u1ea3m l\u01b0\u1ee3ng nhi\u1ec7t truy\u1ec1n qua k\u00ednh.<\/li>\n<\/ul>\n<h2>\u01afu \u0111i\u1ec3m c\u1ee7a v\u1eadt li\u1ec7u chuy\u1ec3n pha<\/h2>\n<ol>\n<li><b>Ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng:<\/b> S\u1eed d\u1ee5ng PCMs gi\u00fap gi\u1ea3m m\u1ee9c ti\u00eau th\u1ee5 n\u0103ng l\u01b0\u1ee3ng cho h\u1ec7 th\u1ed1ng \u0111i\u1ec1u h\u00f2a kh\u00f4ng kh\u00ed v\u00e0 s\u01b0\u1edfi \u1ea5m, qua \u0111\u00f3 gi\u00fap ti\u1ebft ki\u1ec7m chi ph\u00ed \u0111i\u1ec7n n\u0103ng.<\/li>\n<li><b>\u0110\u1ed9 b\u1ec1n v\u00e0 tu\u1ed5i th\u1ecd cao:<\/b> V\u1eadt li\u1ec7u chuy\u1ec3n pha th\u01b0\u1eddng c\u00f3 \u0111\u1ed9 b\u1ec1n cao v\u00e0 kh\u1ea3 n\u0103ng ch\u1ecbu \u0111\u1ef1ng nhi\u1ec1u chu k\u1ef3 chuy\u1ec3n pha m\u00e0 kh\u00f4ng gi\u1ea3m hi\u1ec7u su\u1ea5t.<\/li>\n<li><b>Th\u00e2n thi\u1ec7n v\u1edbi m\u00f4i tr\u01b0\u1eddng:<\/b> Gi\u1ea3m vi\u1ec7c s\u1eed d\u1ee5ng n\u0103ng l\u01b0\u1ee3ng c\u0169ng \u0111\u1ed3ng ngh\u0129a v\u1edbi gi\u1ea3m ph\u00e1t th\u1ea3i kh\u00ed nh\u00e0 k\u00ednh, g\u00f3p ph\u1ea7n b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng.<\/li>\n<\/ol>\n<h2>K\u1ebft lu\u1eadn<\/h2>\n<p>V\u1eadt li\u1ec7u chuy\u1ec3n pha \u0111\u00e3 ch\u1ee9ng minh \u0111\u01b0\u1ee3c hi\u1ec7u qu\u1ea3 trong vi\u1ec7c n\u00e2ng cao hi\u1ec7u su\u1ea5t nhi\u1ec7t c\u1ee7a c\u00e1c c\u00f4ng tr\u00ecnh x\u00e2y d\u1ef1ng. S\u1ef1 ph\u00e1t tri\u1ec3n v\u00e0 \u1ee9ng d\u1ee5ng c\u1ee7a c\u00e1c v\u1eadt li\u1ec7u n\u00e0y kh\u00f4ng ch\u1ec9 gi\u00fap ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng m\u00e0 c\u00f2n b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng, \u0111\u00f3ng g\u00f3p v\u00e0o s\u1ef1 ph\u00e1t tri\u1ec3n b\u1ec1n v\u1eefng. \u0110\u1ed1i v\u1edbi nh\u1eefng ai quan t\u00e2m \u0111\u1ebfn l\u0129nh v\u1ef1c k\u1ef9 thu\u1eadt nhi\u1ec7t, vi\u1ec7c nghi\u00ean c\u1ee9u v\u00e0 \u1ee9ng d\u1ee5ng v\u1eadt li\u1ec7u chuy\u1ec3n pha s\u1ebd m\u1edf ra nhi\u1ec1u c\u01a1 h\u1ed9i m\u1edbi trong vi\u1ec7c thi\u1ebft k\u1ebf v\u00e0 x\u00e2y d\u1ef1ng nh\u1eefng c\u00f4ng tr\u00ecnh hi\u1ec7n \u0111\u1ea1i, ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng v\u00e0 th\u00e2n thi\u1ec7n v\u1edbi m\u00f4i tr\u01b0\u1eddng.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Hi\u1ec7u su\u1ea5t nhi\u1ec7t c\u1ee7a v\u1eadt li\u1ec7u chuy\u1ec3n pha trong c\u00e1c c\u00f4ng tr\u00ecnh x\u00e2y d\u1ef1ng: T\u00ecm hi\u1ec3u c\u00e1ch v\u1eadt li\u1ec7u n\u00e0y gi\u00fap ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng v\u00e0 c\u1ea3i thi\u1ec7n nhi\u1ec7t \u0111\u1ed9 kh\u00f4ng gian s\u1ed1ng.<\/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>Hi\u1ec7u su\u1ea5t nhi\u1ec7t c\u1ee7a v\u1eadt li\u1ec7u chuy\u1ec3n pha trong c\u00e1c c\u00f4ng tr\u00ecnh x\u00e2y d\u1ef1ng<\/title>\n<meta name=\"description\" content=\"Hi\u1ec7u su\u1ea5t nhi\u1ec7t c\u1ee7a v\u1eadt li\u1ec7u chuy\u1ec3n pha trong c\u00e1c c\u00f4ng tr\u00ecnh x\u00e2y d\u1ef1ng: T\u00ecm hi\u1ec3u c\u00e1ch v\u1eadt li\u1ec7u n\u00e0y gi\u00fap ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng v\u00e0 c\u1ea3i thi\u1ec7n nhi\u1ec7t \u0111\u1ed9 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