{"id":685355,"date":"2024-09-05T11:21:18","date_gmt":"2024-09-05T10:21:18","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=685355"},"modified":"2024-09-05T11:21:18","modified_gmt":"2024-09-05T10:21:18","slug":"7-loai-he-thong-luu-tru-nhiet-vat-lieu-thay-doi-pha-pcm","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/7-loai-he-thong-luu-tru-nhiet-vat-lieu-thay-doi-pha-pcm\/","title":{"rendered":"7 Lo\u1ea1i H\u1ec7 Th\u1ed1ng L\u01b0u Tr\u1eef Nhi\u1ec7t V\u1eadt Li\u1ec7u Thay \u0110\u1ed5i Pha (PCM)"},"content":{"rendered":"<p class=\"sidekick\">T\u00ecm hi\u1ec3u 7 lo\u1ea1i h\u1ec7 th\u1ed1ng l\u01b0u tr\u1eef nhi\u1ec7t v\u1eadt li\u1ec7u thay \u0111\u1ed5i pha (PCM) hi\u1ec7u qu\u1ea3, ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng trong c\u00e1c \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p v\u00e0 d\u00e2n d\u1ee5ng.<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/7_loai_he_thong_luu_tru_nhiet_vat_lieu_thay_doi_pha_pcm.png\" alt=\"7 Lo\u1ea1i H\u1ec7 Th\u1ed1ng L\u01b0u Tr\u1eef Nhi\u1ec7t V\u1eadt Li\u1ec7u Thay \u0110\u1ed5i Pha (PCM)\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>7 Lo\u1ea1i H\u1ec7 Th\u1ed1ng L\u01b0u Tr\u1eef Nhi\u1ec7t V\u1eadt Li\u1ec7u Thay \u0110\u1ed5i Pha (PCM)<\/h2>\n<p>V\u1eadt li\u1ec7u thay \u0111\u1ed5i pha (PCM) l\u00e0 c\u00e1c ch\u1ea5t c\u00f3 kh\u1ea3 n\u0103ng h\u1ea5p th\u1ee5 v\u00e0 gi\u1ea3i ph\u00f3ng nhi\u1ec7t khi ch\u00fang thay \u0111\u1ed5i tr\u1ea1ng th\u00e1i t\u1eeb r\u1eafn sang l\u1ecfng ho\u1eb7c ng\u01b0\u1ee3c l\u1ea1i. C\u00e1c h\u1ec7 th\u1ed1ng l\u01b0u tr\u1eef nhi\u1ec7t s\u1eed d\u1ee5ng PCM ng\u00e0y c\u00e0ng ph\u1ed5 bi\u1ebfn trong c\u00e1c \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p v\u00e0 d\u00e2n d\u1ee5ng v\u00ec kh\u1ea3 n\u0103ng ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng v\u00e0 \u0111i\u1ec1u ho\u00e0 nhi\u1ec7t \u0111\u1ed9. Sau \u0111\u00e2y l\u00e0 7 lo\u1ea1i h\u1ec7 th\u1ed1ng l\u01b0u tr\u1eef nhi\u1ec7t PCM ph\u1ed5 bi\u1ebfn.<\/p>\n<ul>\n<li><b>H\u1ec7 th\u1ed1ng l\u01b0u tr\u1eef nhi\u1ec7t b\u1eb1ng n\u01b0\u1edbc \u0111\u00e1:<\/b> H\u1ec7 th\u1ed1ng n\u00e0y s\u1eed d\u1ee5ng n\u01b0\u1edbc \u0111\u00e1 nh\u01b0 m\u1ed9t PCM \u0111\u1ec3 l\u01b0u tr\u1eef nhi\u1ec7t. N\u01b0\u1edbc \u0111\u00e1 h\u1ea5p th\u1ee5 m\u1ed9t l\u01b0\u1ee3ng l\u1edbn nhi\u1ec7t khi n\u00f3 chuy\u1ec3n t\u1eeb tr\u1ea1ng th\u00e1i r\u1eafn sang l\u1ecfng, gi\u00fap \u0111i\u1ec1u ch\u1ec9nh nhi\u1ec7t \u0111\u1ed9 trong c\u00e1c t\u00f2a nh\u00e0 ho\u1eb7c c\u00e1c h\u1ec7 th\u1ed1ng l\u00e0m m\u00e1t c\u00f4ng nghi\u1ec7p.<\/li>\n<li><b>H\u1ec7 th\u1ed1ng l\u01b0u tr\u1eef nhi\u1ec7t paraffin:<\/b> Paraffin l\u00e0 m\u1ed9t ch\u1ea5t h\u1eefu c\u01a1 c\u00f3 kh\u1ea3 n\u0103ng thay \u0111\u1ed5i pha \u1edf c\u00e1c nhi\u1ec7t \u0111\u1ed9 c\u1ee5 th\u1ec3. H\u1ec7 th\u1ed1ng n\u00e0y ph\u1ed5 bi\u1ebfn trong c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed v\u00e0 h\u1ec7 th\u1ed1ng s\u01b0\u1edfi \u1ea5m do t\u00ednh \u1ed5n \u0111\u1ecbnh v\u00e0 \u0111\u1ed9 an to\u00e0n cao c\u1ee7a paraffin.<\/li>\n<li><b>H\u1ec7 th\u1ed1ng l\u01b0u tr\u1eef nhi\u1ec7t mu\u1ed1i hydrat:<\/b> C\u00e1c mu\u1ed1i hydrat nh\u01b0 CaCl<sub>2<\/sub>*6H<sub>2<\/sub>O \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c h\u1ec7 th\u1ed1ng n\u00e0y v\u00ec ch\u00fang c\u00f3 kh\u1ea3 n\u0103ng h\u1ea5p th\u1ee5 v\u00e0 gi\u1ea3i ph\u00f3ng nhi\u1ec7t l\u1edbn khi chuy\u1ec3n t\u1eeb tr\u1ea1ng th\u00e1i k\u1ebft tinh sang l\u1ecfng.<\/li>\n<li><b>H\u1ec7 th\u1ed1ng l\u01b0u tr\u1eef nhi\u1ec7t kim lo\u1ea1i eutectic:<\/b> C\u00e1c h\u1ee3p kim kim lo\u1ea1i c\u00f3 \u0111i\u1ec3m n\u00f3ng ch\u1ea3y th\u1ea5p c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng nh\u01b0 l\u00e0 c\u00e1c PCM \u0111\u1ec3 l\u01b0u tr\u1eef nhi\u1ec7t. Ch\u00fang c\u00f3 kh\u1ea3 n\u0103ng d\u1eabn nhi\u1ec7t t\u1ed1t v\u00e0 th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng trong c\u00e1c h\u1ec7 th\u1ed1ng l\u01b0u tr\u1eef nhi\u1ec7t c\u00f4ng nghi\u1ec7p v\u00e0 n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi.<\/li>\n<li><b>H\u1ec7 th\u1ed1ng l\u01b0u tr\u1eef nhi\u1ec7t b\u1eb1ng s\u00e1p:<\/b> C\u00e1c lo\u1ea1i s\u00e1p t\u1ef1 nhi\u00ean ho\u1eb7c t\u1ed5ng h\u1ee3p kh\u00e1c nhau c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nh\u01b0 PCM do kh\u1ea3 n\u0103ng h\u1ea5p th\u1ee5 nhi\u1ec7t khi tan ch\u1ea3y. Ch\u00fang th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c h\u1ec7 th\u1ed1ng nhi\u1ec7t trung t\u00e2m v\u00e0 c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec1u h\u00f2a nhi\u1ec7t \u0111\u1ed9.<\/li>\n<li><b>H\u1ec7 th\u1ed1ng l\u01b0u tr\u1eef nhi\u1ec7t mu\u1ed1i kali nitrat:<\/b> KNO<sub>3<\/sub> (kali nitrat) l\u00e0 m\u1ed9t mu\u1ed1i c\u00f3 kh\u1ea3 n\u0103ng l\u01b0u tr\u1eef nhi\u1ec7t hi\u1ec7u qu\u1ea3 th\u00f4ng qua ph\u1ea3n \u1ee9ng thay \u0111\u1ed5i pha. N\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn trong c\u00e1c h\u1ec7 th\u1ed1ng n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi t\u1eadp trung.<\/li>\n<li><b>H\u1ec7 th\u1ed1ng l\u01b0u tr\u1eef nhi\u1ec7t h\u1ee3p ch\u1ea5t organotin:<\/b> C\u00e1c h\u1ee3p ch\u1ea5t c\u1ee7a thi\u1ebfc h\u1eefu c\u01a1 c\u00f3 kh\u1ea3 n\u0103ng l\u01b0u tr\u1eef nhi\u1ec7t th\u00f4ng qua qu\u00e1 tr\u00ecnh thay \u0111\u1ed5i pha v\u00e0 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c h\u1ec7 th\u1ed1ng nhi\u1ec7t y\u00eau c\u1ea7u \u0111\u1ed9 ch\u00ednh x\u00e1c cao v\u1ec1 nhi\u1ec7t \u0111\u1ed9.<\/li>\n<\/ul>\n<p>Nh\u1eefng h\u1ec7 th\u1ed1ng l\u01b0u tr\u1eef nhi\u1ec7t PCM n\u00e0y cung c\u1ea5p kh\u1ea3 n\u0103ng \u0111i\u1ec1u h\u00f2a nhi\u1ec7t \u0111\u1ed9 t\u1ef1 nhi\u00ean v\u00e0 ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng, th\u00edch h\u1ee3p cho nhi\u1ec1u \u1ee9ng d\u1ee5ng t\u1eeb t\u00f2a nh\u00e0 \u0111\u1ebfn c\u00f4ng nghi\u1ec7p, v\u00e0 gi\u00fap ch\u00fang ta s\u1eed d\u1ee5ng t\u00e0i nguy\u00ean n\u0103ng l\u01b0\u1ee3ng m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3 h\u01a1n.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>T\u00ecm hi\u1ec3u 7 lo\u1ea1i h\u1ec7 th\u1ed1ng l\u01b0u tr\u1eef nhi\u1ec7t v\u1eadt li\u1ec7u thay \u0111\u1ed5i pha (PCM) hi\u1ec7u qu\u1ea3, ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng trong c\u00e1c \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p v\u00e0 d\u00e2n d\u1ee5ng.<\/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>7 Lo\u1ea1i H\u1ec7 Th\u1ed1ng L\u01b0u Tr\u1eef Nhi\u1ec7t V\u1eadt Li\u1ec7u Thay \u0110\u1ed5i Pha (PCM)<\/title>\n<meta name=\"description\" content=\"T\u00ecm hi\u1ec3u 7 lo\u1ea1i h\u1ec7 th\u1ed1ng l\u01b0u 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hi\\u1ec7u qu\\u1ea3, ti\\u1ebft ki\\u1ec7m n\\u0103ng l\\u01b0\\u1ee3ng trong c\\u00e1c \\u1ee9ng d\\u1ee5ng c\\u00f4ng nghi\\u1ec7p v\\u00e0 d\\u00e2n d\\u1ee5ng.\",\"inLanguage\":\"vi-VN\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.thermal-engineering.org\/vi\/7-loai-he-thong-luu-tru-nhiet-vat-lieu-thay-doi-pha-pcm\/\"]}]},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.thermal-engineering.org\/fr\/#\/schema\/person\/e8c544db9afedaec8574d6464f9398bb\",\"name\":\"Nick Connor\",\"image\":{\"@type\":\"ImageObject\",\"@id\":\"https:\/\/www.thermal-engineering.org\/fr\/#personlogo\",\"inLanguage\":\"vi-VN\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/84c0dec310b44b65da29dc9df6925239?s=96&d=mm&r=g\",\"caption\":\"Nick Connor\"}}]}<\/script>\n<!-- \/ Yoast SEO plugin. 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