{"id":702730,"date":"2024-11-05T12:45:09","date_gmt":"2024-11-05T11:45:09","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=702730"},"modified":"2024-11-05T12:45:09","modified_gmt":"2024-11-05T11:45:09","slug":"vat-lieu-thay-doi-pha-luu-tru-cac-loai-dieu-chinh-nhiet-do","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/vat-lieu-thay-doi-pha-luu-tru-cac-loai-dieu-chinh-nhiet-do\/","title":{"rendered":"V\u1eadt Li\u1ec7u Thay \u0110\u1ed5i Pha | L\u01b0u Tr\u1eef, C\u00e1c Lo\u1ea1i, \u0110i\u1ec1u Ch\u1ec9nh Nhi\u1ec7t \u0110\u1ed9"},"content":{"rendered":"<p class=\"sidekick\">V\u1eadt Li\u1ec7u Thay \u0110\u1ed5i Pha: Gi\u1ea3i ph\u00e1p l\u01b0u tr\u1eef n\u0103ng l\u01b0\u1ee3ng hi\u1ec7u qu\u1ea3, c\u00e1c lo\u1ea1i v\u00e0 \u1ee9ng d\u1ee5ng, gi\u00fap \u0111i\u1ec1u ch\u1ec9nh nhi\u1ec7t \u0111\u1ed9 trong nhi\u1ec1u l\u0129nh v\u1ef1c k\u1ef9 thu\u1eadt nhi\u1ec7t.<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/vat_lieu_thay_doi_pha_luu_tru_cac_loai_dieu_chinh_nhiet_do.png\" alt=\"V\u1eadt Li\u1ec7u Thay \u0110\u1ed5i Pha | L\u01b0u Tr\u1eef, C\u00e1c Lo\u1ea1i, \u0110i\u1ec1u Ch\u1ec9nh Nhi\u1ec7t \u0110\u1ed9\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>V\u1eadt Li\u1ec7u Thay \u0110\u1ed5i Pha (PCM) | L\u01b0u Tr\u1eef, C\u00e1c Lo\u1ea1i, \u0110i\u1ec1u Ch\u1ec9nh Nhi\u1ec7t \u0110\u1ed9<\/h2>\n<p>V\u1eadt li\u1ec7u thay \u0111\u1ed5i pha, hay PCM (Phase Change Material), l\u00e0 m\u1ed9t lo\u1ea1i v\u1eadt li\u1ec7u c\u00f3 kh\u1ea3 n\u0103ng l\u01b0u tr\u1eef v\u00e0 gi\u1ea3i ph\u00f3ng n\u0103ng l\u01b0\u1ee3ng th\u00f4ng qua qu\u00e1 tr\u00ecnh thay \u0111\u1ed5i pha. Qu\u00e1 tr\u00ecnh n\u00e0y th\u01b0\u1eddng li\u00ean quan \u0111\u1ebfn vi\u1ec7c chuy\u1ec3n \u0111\u1ed5i gi\u1eefa tr\u1ea1ng th\u00e1i r\u1eafn v\u00e0 l\u1ecfng, c\u00f3 th\u1ec3 gi\u00fap \u0111i\u1ec1u ch\u1ec9nh v\u00e0 ki\u1ec3m so\u00e1t nhi\u1ec7t \u0111\u1ed9 trong nhi\u1ec1u \u1ee9ng d\u1ee5ng kh\u00e1c nhau.<\/p>\n<h2>L\u01b0u Tr\u1eef N\u0103ng L\u01b0\u1ee3ng<\/h2>\n<p>PCM \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c l\u01b0u tr\u1eef n\u0103ng l\u01b0\u1ee3ng nhi\u1ec7t. Khi m\u1ed9t v\u1eadt li\u1ec7u thay \u0111\u1ed5i pha t\u1eeb r\u1eafn sang l\u1ecfng (n\u00f3ng l\u00ean) ho\u1eb7c t\u1eeb l\u1ecfng sang r\u1eafn (l\u1ea1nh \u0111i), n\u00f3 h\u1ea5p th\u1ee5 ho\u1eb7c gi\u1ea3i ph\u00f3ng m\u1ed9t l\u01b0\u1ee3ng l\u1edbn n\u0103ng l\u01b0\u1ee3ng nhi\u1ec7t. \u0110i\u1ec1u n\u00e0y cho ph\u00e9p n\u00f3 c\u00f3 th\u1ec3 l\u01b0u tr\u1eef n\u0103ng l\u01b0\u1ee3ng nhi\u1ec7t v\u00e0o ban ng\u00e0y (khi n\u00f3ng) v\u00e0 gi\u1ea3i ph\u00f3ng v\u00e0o ban \u0111\u00eam (khi l\u1ea1nh), gi\u00fap \u0111i\u1ec1u h\u00f2a nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng xung quanh. \u0110\u00e2y l\u00e0 nguy\u00ean l\u00fd c\u01a1 b\u1ea3n c\u1ee7a l\u01b0u tr\u1eef nhi\u1ec7t b\u1eb1ng PCM.<\/p>\n<h2>C\u00e1c Lo\u1ea1i V\u1eadt Li\u1ec7u Thay \u0110\u1ed5i Pha<\/h2>\n<ul>\n<li><b>Paraffin:<\/b> Lo\u1ea1i v\u1eadt li\u1ec7u n\u00e0y r\u1ea5t ph\u1ed5 bi\u1ebfn v\u00ec c\u00f3 n\u0103ng su\u1ea5t nhi\u1ec7t cao v\u00e0 gi\u00e1 r\u1ebb. Tuy nhi\u00ean, nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a paraffin l\u00e0 kh\u1ea3 n\u0103ng d\u1eabn nhi\u1ec7t k\u00e9m.<\/li>\n<li><b>Mu\u1ed1i hydrate:<\/b> Mu\u1ed1i hydrate c\u00f3 n\u0103ng su\u1ea5t nhi\u1ec7t cao h\u01a1n so v\u1edbi paraffin nh\u01b0ng c\u00f3 th\u1ec3 g\u1eb7p v\u1ea5n \u0111\u1ec1 v\u1edbi s\u1ef1 ph\u00e2n t\u1ea7ng n\u1ebfu kh\u00f4ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u00fang c\u00e1ch.<\/li>\n<li><b>V\u1eadt li\u1ec7u sinh h\u1ecdc:<\/b> Nh\u1eefng v\u1eadt li\u1ec7u n\u00e0y th\u00e2n thi\u1ec7n v\u1edbi m\u00f4i tr\u01b0\u1eddng v\u00e0 c\u00f3 ti\u1ec1m n\u0103ng l\u1edbn trong c\u00e1c \u1ee9ng d\u1ee5ng nhi\u1ec7t \u0111\u1ed9 th\u1ea5p.<\/li>\n<li><b>H\u1ee3p kim kim lo\u1ea1i:<\/b> C\u00e1c h\u1ee3p kim n\u00e0y c\u00f3 th\u1ec3 thay \u0111\u1ed5i pha \u1edf nhi\u1ec7t \u0111\u1ed9 r\u1ea5t cao v\u00e0 c\u00f3 kh\u1ea3 n\u0103ng d\u1eabn nhi\u1ec7t t\u1ed1t h\u01a1n c\u00e1c lo\u1ea1i PCM kh\u00e1c.<\/li>\n<\/ul>\n<h2>\u0110i\u1ec1u Ch\u1ec9nh Nhi\u1ec7t \u0110\u1ed9<\/h2>\n<p>PCM \u0111\u1eb7c bi\u1ec7t h\u1eefu \u00edch trong vi\u1ec7c \u0111i\u1ec1u ch\u1ec9nh nhi\u1ec7t \u0111\u1ed9, \u1ee9ng d\u1ee5ng r\u1ed9ng r\u00e3i t\u1eeb x\u00e2y d\u1ef1ng nh\u00e0 \u1edf \u0111\u1ebfn h\u1ec7 th\u1ed1ng \u0111i\u1ec7n l\u1ea1nh v\u00e0 c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed. V\u00ed d\u1ee5, trong x\u00e2y d\u1ef1ng, PCM c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p v\u00e0o t\u01b0\u1eddng ho\u1eb7c tr\u1ea7n nh\u00e0 \u0111\u1ec3 duy tr\u00ec nhi\u1ec7t \u0111\u1ed9 tho\u1ea3i m\u00e1i cho ng\u00f4i nh\u00e0 m\u00e0 kh\u00f4ng c\u1ea7n s\u1eed d\u1ee5ng qu\u00e1 nhi\u1ec1u n\u0103ng l\u01b0\u1ee3ng cho vi\u1ec7c l\u00e0m m\u00e1t hay s\u01b0\u1edfi \u1ea5m.<\/p>\n<p>Trong c\u00e1c h\u1ec7 th\u1ed1ng \u0111i\u1ec7n l\u1ea1nh, PCM gi\u00fap \u1ed5n \u0111\u1ecbnh nhi\u1ec7t \u0111\u1ed9 v\u00e0 ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng b\u1eb1ng c\u00e1ch h\u1ea5p th\u1ee5 nhi\u1ec7t t\u1eeb m\u00f4i tr\u01b0\u1eddng trong khi chuy\u1ec3n t\u1eeb r\u1eafn sang l\u1ecfng, r\u1ed3i sau \u0111\u00f3 gi\u1ea3i ph\u00f3ng nhi\u1ec7t khi chuy\u1ec3n t\u1eeb l\u1ecfng sang r\u1eafn.<\/p>\n<h2>K\u1ebft Lu\u1eadn<\/h2>\n<p>V\u1eadt li\u1ec7u thay \u0111\u1ed5i pha (PCM) mang l\u1ea1i nhi\u1ec1u l\u1ee3i \u00edch trong vi\u1ec7c l\u01b0u tr\u1eef v\u00e0 \u0111i\u1ec1u ch\u1ec9nh nhi\u1ec7t \u0111\u1ed9 trong nhi\u1ec1u l\u0129nh v\u1ef1c kh\u00e1c nhau. T\u1eeb x\u00e2y d\u1ef1ng, \u0111i\u1ec7n l\u1ea1nh cho \u0111\u1ebfn c\u00e1c \u1ee9ng d\u1ee5ng y t\u1ebf v\u00e0 c\u00f4ng nghi\u1ec7p, kh\u1ea3 n\u0103ng \u0111i\u1ec1u ch\u1ec9nh nhi\u1ec7t \u0111\u1ed9 c\u1ee7a PCM gi\u00fap gi\u1ea3m ti\u00eau th\u1ee5 n\u0103ng l\u01b0\u1ee3ng v\u00e0 b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng. V\u1edbi s\u1ef1 ph\u00e1t tri\u1ec3n kh\u00f4ng ng\u1eebng c\u1ee7a c\u00f4ng ngh\u1ec7, kh\u00f4ng th\u1ec3 ph\u1ee7 nh\u1eadn r\u1eb1ng PCM s\u1ebd ti\u1ebfp t\u1ee5c \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong t\u01b0\u01a1ng lai.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>V\u1eadt Li\u1ec7u Thay \u0110\u1ed5i Pha: Gi\u1ea3i ph\u00e1p l\u01b0u tr\u1eef n\u0103ng l\u01b0\u1ee3ng hi\u1ec7u qu\u1ea3, c\u00e1c lo\u1ea1i v\u00e0 \u1ee9ng d\u1ee5ng, gi\u00fap \u0111i\u1ec1u ch\u1ec9nh nhi\u1ec7t \u0111\u1ed9 trong nhi\u1ec1u l\u0129nh v\u1ef1c k\u1ef9 thu\u1eadt nhi\u1ec7t.<\/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>V\u1eadt Li\u1ec7u Thay \u0110\u1ed5i Pha | L\u01b0u Tr\u1eef, C\u00e1c 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