{"id":689385,"date":"2024-10-16T01:08:20","date_gmt":"2024-10-16T00:08:20","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=689385"},"modified":"2024-10-16T01:08:20","modified_gmt":"2024-10-16T00:08:20","slug":"vat-lieu-thay-doi-pha-quan-ly-nhiet-ung-dung","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/vat-lieu-thay-doi-pha-quan-ly-nhiet-ung-dung\/","title":{"rendered":"V\u1eadt Li\u1ec7u Thay \u0110\u1ed5i Pha | Qu\u1ea3n L\u00fd Nhi\u1ec7t &#038; \u1ee8ng D\u1ee5ng"},"content":{"rendered":"<p class=\"sidekick\">V\u1eadt Li\u1ec7u Thay \u0110\u1ed5i Pha | Qu\u1ea3n L\u00fd Nhi\u1ec7t &#038; \u1ee8ng D\u1ee5ng: ph\u00e2n t\u00edch c\u00e1ch s\u1eed d\u1ee5ng v\u1eadt li\u1ec7u thay \u0111\u1ed5i pha \u0111\u1ec3 qu\u1ea3n l\u00fd nhi\u1ec7t hi\u1ec7u qu\u1ea3 trong c\u00e1c h\u1ec7 th\u1ed1ng k\u1ef9 thu\u1eadt.<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/vat_lieu_thay_doi_pha_quan_ly_nhiet_ung_dung.png\" alt=\"V\u1eadt Li\u1ec7u Thay \u0110\u1ed5i Pha | Qu\u1ea3n L\u00fd Nhi\u1ec7t &#038; \u1ee8ng D\u1ee5ng\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>V\u1eadt Li\u1ec7u Thay \u0110\u1ed5i Pha | Qu\u1ea3n L\u00fd Nhi\u1ec7t &#038; \u1ee8ng D\u1ee5ng<\/h2>\n<p>V\u1eadt li\u1ec7u thay \u0111\u1ed5i pha (Phase Change Materials &#8211; PCM) l\u00e0 c\u00e1c ch\u1ea5t c\u00f3 kh\u1ea3 n\u0103ng l\u01b0u tr\u1eef v\u00e0 gi\u1ea3i ph\u00f3ng n\u0103ng l\u01b0\u1ee3ng nhi\u1ec7t l\u1edbn khi ch\u00fang thay \u0111\u1ed5i pha t\u1eeb r\u1eafn sang l\u1ecfng (ho\u1eb7c ng\u01b0\u1ee3c l\u1ea1i). Ch\u00fang \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong qu\u1ea3n l\u00fd nhi\u1ec7t \u0111\u1ed9 v\u00e0 c\u00f3 \u1ee9ng d\u1ee5ng trong nhi\u1ec1u l\u0129nh v\u1ef1c kh\u00e1c nhau.<\/p>\n<h2>Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng<\/h2>\n<p>PCM ho\u1ea1t \u0111\u1ed9ng d\u1ef1a tr\u00ean nguy\u00ean l\u00fd thay \u0111\u1ed5i pha: khi m\u1ed9t ch\u1ea5t thay \u0111\u1ed5i pha t\u1eeb r\u1eafn sang l\u1ecfng (n\u00f3ng ch\u1ea3y) ho\u1eb7c t\u1eeb l\u1ecfng sang r\u1eafn (\u0111\u00f4ng \u0111\u1eb7c), n\u00f3 ho\u1eb7c h\u1ea5p th\u1ee5 ho\u1eb7c gi\u1ea3i ph\u00f3ng m\u1ed9t l\u01b0\u1ee3ng nhi\u1ec7t l\u1edbn m\u00e0 kh\u00f4ng thay \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9. Nhi\u1ec7t n\u0103ng n\u00e0y \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 &#8220;nhi\u1ec7t \u1ea9n&#8221;.<\/p>\n<p>Qu\u00e1 tr\u00ecnh chuy\u1ec3n t\u1eeb r\u1eafn sang l\u1ecfng (hay ng\u01b0\u1ee3c l\u1ea1i) c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c bi\u1ec3u di\u1ec5n b\u1eb1ng ph\u01b0\u01a1ng tr\u00ecnh:<\/p>\n<p style=\"text-align: center;\">Q = m * \\(\\Delta\\)H<\/p>\n<p>Trong \u0111\u00f3:<\/p>\n<ul>\n<li><sub>Q<\/sub>: nhi\u1ec7t l\u01b0\u1ee3ng (J, joules)<\/li>\n<li><sub>m<\/sub>: kh\u1ed1i l\u01b0\u1ee3ng c\u1ee7a ch\u1ea5t thay \u0111\u1ed5i pha (kg)<\/li>\n<li><sub>\\(\\Delta\\)H<\/sub>: nhi\u1ec7t \u1ea9n c\u1ee7a s\u1ef1 thay \u0111\u1ed5i pha (J\/kg)<\/li>\n<\/ul>\n<h2>\u1ee8ng d\u1ee5ng c\u1ee7a v\u1eadt li\u1ec7u thay \u0111\u1ed5i pha<\/h2>\n<ul>\n<li>\u0110i\u1ec1u h\u00f2a kh\u00f4ng kh\u00ed v\u00e0 h\u1ec7 th\u1ed1ng s\u01b0\u1edfi<\/li>\n<li>L\u01b0u tr\u1eef n\u0103ng l\u01b0\u1ee3ng t\u00e1i t\u1ea1o<\/li>\n<li>\u1ee8ng d\u1ee5ng trong c\u00f4ng nghi\u1ec7p x\u00e2y d\u1ef1ng<\/li>\n<li>B\u1ea3o qu\u1ea3n th\u1ef1c ph\u1ea9m v\u00e0 d\u01b0\u1ee3c ph\u1ea9m<\/li>\n<li>C\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed v\u00e0 b\u00e1o ch\u00e1y<\/li>\n<\/ul>\n<h3>\u0110i\u1ec1u h\u00f2a kh\u00f4ng kh\u00ed v\u00e0 h\u1ec7 th\u1ed1ng s\u01b0\u1edfi<\/h3>\n<p>PCM c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u1ea5u tr\u00fac t\u01b0\u1eddng v\u00e0 tr\u1ea7n nh\u00e0 \u0111\u1ec3 duy tr\u00ec nhi\u1ec7t \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh trong ph\u00f2ng. Trong ng\u00e0y, khi nhi\u1ec7t \u0111\u1ed9 t\u0103ng, PCM h\u1ea5p th\u1ee5 nhi\u1ec7t v\u00e0 tan ch\u1ea3y; v\u00e0o ban \u0111\u00eam, khi nhi\u1ec7t \u0111\u1ed9 gi\u1ea3m, PCM \u0111\u00f4ng \u0111\u1eb7c v\u00e0 gi\u1ea3i ph\u00f3ng nhi\u1ec7t.<\/p>\n<h3>L\u01b0u tr\u1eef n\u0103ng l\u01b0\u1ee3ng t\u00e1i t\u1ea1o<\/h3>\n<p>PCM \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c h\u1ec7 th\u1ed1ng l\u01b0u tr\u1eef n\u0103ng l\u01b0\u1ee3ng nhi\u1ec7t, gi\u00fap l\u01b0u tr\u1eef n\u0103ng l\u01b0\u1ee3ng t\u1eeb c\u00e1c ngu\u1ed3n t\u00e1i t\u1ea1o nh\u01b0 n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi ho\u1eb7c gi\u00f3 v\u00e0o ban ng\u00e0y v\u00e0 gi\u1ea3i ph\u00f3ng n\u0103ng l\u01b0\u1ee3ng n\u00e0y v\u00e0o ban \u0111\u00eam ho\u1eb7c khi c\u1ea7n thi\u1ebft.<\/p>\n<h3>\u1ee8ng d\u1ee5ng trong c\u00f4ng nghi\u1ec7p x\u00e2y d\u1ef1ng<\/h3>\n<p>PCM c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p v\u00e0o c\u00e1c v\u1eadt li\u1ec7u x\u00e2y d\u1ef1ng nh\u01b0 b\u00ea t\u00f4ng, g\u1ea1ch, v\u1eefa nh\u1eb1m c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng c\u00e1ch nhi\u1ec7t c\u1ee7a ch\u00fang, gi\u00fap duy tr\u00ec nhi\u1ec7t \u0111\u1ed9 trong t\u00f2a nh\u00e0 \u1ed5n \u0111\u1ecbnh h\u01a1n v\u00e0 gi\u1ea3m ti\u00eau th\u1ee5 n\u0103ng l\u01b0\u1ee3ng cho vi\u1ec7c l\u00e0m m\u00e1t ho\u1eb7c s\u01b0\u1edfi \u1ea5m.<\/p>\n<h3>B\u1ea3o qu\u1ea3n th\u1ef1c ph\u1ea9m v\u00e0 d\u01b0\u1ee3c ph\u1ea9m<\/h3>\n<p>Trong l\u0129nh v\u1ef1c b\u1ea3o qu\u1ea3n th\u1ef1c ph\u1ea9m v\u00e0 d\u01b0\u1ee3c ph\u1ea9m, PCM \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c th\u00f9ng v\u00e0 kho l\u1ea1nh \u0111\u1ec3 duy tr\u00ec nhi\u1ec7t \u0111\u1ed9 l\u00fd t\u01b0\u1edfng, gi\u00fap k\u00e9o d\u00e0i th\u1eddi gian b\u1ea3o qu\u1ea3n v\u00e0 v\u1eadn chuy\u1ec3n an to\u00e0n c\u00e1c s\u1ea3n ph\u1ea9m.<\/p>\n<h3>C\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed v\u00e0 b\u00e1o ch\u00e1y<\/h3>\n<p>PCM c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed \u0111\u1ec3 b\u1ea3o v\u1ec7 ch\u00fang kh\u1ecfi qu\u00e1 nhi\u1ec7t ho\u1eb7c trong c\u00e1c h\u1ec7 th\u1ed1ng b\u00e1o ch\u00e1y \u0111\u1ec3 ph\u00e1t hi\u1ec7n v\u00e0 k\u00edch ho\u1ea1t c\u1ea3nh b\u00e1o s\u1edbm khi nhi\u1ec7t \u0111\u1ed9 v\u01b0\u1ee3t qu\u00e1 ng\u01b0\u1ee1ng an to\u00e0n.<\/p>\n<p>T\u00f3m l\u1ea1i, v\u1eadt li\u1ec7u thay \u0111\u1ed5i pha l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 h\u1eefu \u00edch trong qu\u1ea3n l\u00fd nhi\u1ec7t, c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng trong nhi\u1ec1u l\u0129nh v\u1ef1c \u0111\u1ec3 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t v\u00e0 ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>V\u1eadt Li\u1ec7u Thay \u0110\u1ed5i Pha | Qu\u1ea3n L\u00fd Nhi\u1ec7t &#038; \u1ee8ng D\u1ee5ng: ph\u00e2n t\u00edch c\u00e1ch s\u1eed d\u1ee5ng v\u1eadt li\u1ec7u thay \u0111\u1ed5i pha \u0111\u1ec3 qu\u1ea3n l\u00fd nhi\u1ec7t hi\u1ec7u qu\u1ea3 trong c\u00e1c h\u1ec7 th\u1ed1ng k\u1ef9 thu\u1eadt.<\/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 | Qu\u1ea3n L\u00fd Nhi\u1ec7t &amp; \u1ee8ng D\u1ee5ng<\/title>\n<meta name=\"description\" content=\"V\u1eadt Li\u1ec7u Thay \u0110\u1ed5i Pha | Qu\u1ea3n L\u00fd Nhi\u1ec7t &amp; \u1ee8ng D\u1ee5ng: ph\u00e2n t\u00edch c\u00e1ch s\u1eed d\u1ee5ng v\u1eadt li\u1ec7u thay \u0111\u1ed5i pha \u0111\u1ec3 qu\u1ea3n l\u00fd nhi\u1ec7t hi\u1ec7u qu\u1ea3 trong c\u00e1c h\u1ec7 th\u1ed1ng k\u1ef9 thu\u1eadt.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.thermal-engineering.org\/vi\/vat-lieu-thay-doi-pha-quan-ly-nhiet-ung-dung\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"V\u1eadt Li\u1ec7u Thay \u0110\u1ed5i Pha | Qu\u1ea3n L\u00fd Nhi\u1ec7t &amp; 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