{"id":696308,"date":"2024-08-01T06:08:53","date_gmt":"2024-08-01T05:08:53","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=696308"},"modified":"2024-08-01T06:08:53","modified_gmt":"2024-08-01T05:08:53","slug":"vat-lieu-lam-mat-bang-buc-xa","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/vat-lieu-lam-mat-bang-buc-xa\/","title":{"rendered":"V\u1eadt li\u1ec7u l\u00e0m m\u00e1t b\u1eb1ng b\u1ee9c x\u1ea1"},"content":{"rendered":"<p class=\"sidekick\">V\u1eadt li\u1ec7u l\u00e0m m\u00e1t b\u1eb1ng b\u1ee9c x\u1ea1 l\u00e0 g\u00ec, ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o v\u00e0 t\u1ea7m quan tr\u1ecdng trong gi\u1ea3m nhi\u1ec7t \u0111\u1ed9 m\u00e0 kh\u00f4ng c\u1ea7n \u0111i\u1ec7n n\u0103ng, c\u1ea3i thi\u1ec7n hi\u1ec7u qu\u1ea3 n\u0103ng l\u01b0\u1ee3ng.<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/vat_lieu_lam_mat_bang_buc_xa.png\" alt=\"V\u1eadt li\u1ec7u l\u00e0m m\u00e1t b\u1eb1ng b\u1ee9c x\u1ea1\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>V\u1eadt li\u1ec7u l\u00e0m m\u00e1t b\u1eb1ng b\u1ee9c x\u1ea1<\/h2>\n<p>V\u1eadt li\u1ec7u l\u00e0m m\u00e1t b\u1eb1ng b\u1ee9c x\u1ea1 c\u00f3 kh\u1ea3 n\u0103ng l\u00e0m gi\u1ea3m nhi\u1ec7t \u0111\u1ed9 c\u1ee7a m\u1ed9t h\u1ec7 th\u1ed1ng ho\u1eb7c b\u1ec1 m\u1eb7t nh\u1edd qu\u00e1 tr\u00ecnh b\u1ee9c x\u1ea1 nhi\u1ec7t v\u00e0o kh\u00f4ng gian. \u0110\u00e2y l\u00e0 m\u1ed9t l\u0129nh v\u1ef1c nghi\u00ean c\u1ee9u quan tr\u1ecdng trong ng\u00e0nh nhi\u1ec7t k\u1ef9 thu\u1eadt (thermal engineering), \u0111\u1eb7c bi\u1ec7t trong b\u1ed1i c\u1ea3nh bi\u1ebfn \u0111\u1ed5i kh\u00ed h\u1eadu v\u00e0 nhu c\u1ea7u ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng ng\u00e0y c\u00e0ng cao.<\/p>\n<h2>C\u01a1 ch\u1ebf l\u00e0m m\u00e1t b\u1eb1ng b\u1ee9c x\u1ea1<\/h2>\n<p>L\u00e0m m\u00e1t b\u1eb1ng b\u1ee9c x\u1ea1 ho\u1ea1t \u0111\u1ed9ng d\u1ef1a tr\u00ean nguy\u00ean t\u1eafc \u0111\u1ed1i l\u01b0u v\u00e0 b\u1ee9c x\u1ea1 nhi\u1ec7t. Khi m\u1ed9t v\u1eadt li\u1ec7u h\u1ea5p th\u1ee5 n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi, n\u00f3 s\u1ebd n\u00f3ng l\u00ean v\u00e0 t\u1ecfa nhi\u1ec7t ra xung quanh. B\u1eb1ng c\u00e1ch ch\u1ecdn c\u00e1c v\u1eadt li\u1ec7u c\u00f3 kh\u1ea3 n\u0103ng t\u1ecfa nhi\u1ec7t cao v\u00e0 ph\u1ea3n x\u1ea1 \u00e1nh s\u00e1ng m\u1eb7t tr\u1eddi, ta c\u00f3 th\u1ec3 gi\u1ea3m nhi\u1ec7t \u0111\u1ed9 c\u1ee7a b\u1ec1 m\u1eb7t v\u1eadt li\u1ec7u.<\/p>\n<p>B\u1ee9c x\u1ea1 nhi\u1ec7t ph\u00e1t ra d\u01b0\u1edbi d\u1ea1ng s\u00f3ng \u0111i\u1ec7n t\u1eeb, ch\u1ee7 y\u1ebfu trong d\u1ea3i ph\u1ed5 h\u1ed3ng ngo\u1ea1i. Khi v\u1eadt li\u1ec7u t\u1ecfa nhi\u1ec7t v\u00e0o kh\u00f4ng gian, n\u0103ng l\u01b0\u1ee3ng n\u00e0y kh\u00f4ng b\u1ecb h\u1ea5p th\u1ee5 b\u1edfi kh\u00f4ng kh\u00ed m\u00e0 tho\u00e1t ra tr\u1ef1c ti\u1ebfp v\u00e0o v\u0169 tr\u1ee5 l\u1ea1nh, l\u00e0m gi\u1ea3m nhi\u1ec7t \u0111\u1ed9 c\u1ee7a v\u1eadt li\u1ec7u.<\/p>\n<h2>V\u1eadt li\u1ec7u ph\u1ed5 bi\u1ebfn<\/h2>\n<p>M\u1ed9t s\u1ed1 v\u1eadt li\u1ec7u ph\u1ed5 bi\u1ebfn cho \u1ee9ng d\u1ee5ng l\u00e0m m\u00e1t b\u1eb1ng b\u1ee9c x\u1ea1 bao g\u1ed3m:<\/p>\n<ul>\n<li><strong>G\u01b0\u01a1ng \u0111a l\u1edbp:<\/strong> \u0110\u00e2y l\u00e0 m\u1ed9t lo\u1ea1i v\u1eadt li\u1ec7u c\u00f3 kh\u1ea3 n\u0103ng ph\u1ea3n x\u1ea1 \u00e1nh s\u00e1ng m\u1eb7t tr\u1eddi v\u00e0 t\u1ecfa nhi\u1ec7t cao.<\/li>\n<li><strong>V\u1eadt li\u1ec7u ph\u1ee7 b\u1ea1c:<\/strong> B\u1ea1c c\u00f3 t\u00ednh ch\u1ea5t ph\u1ea3n x\u1ea1 r\u1ea5t t\u1ed1t v\u00e0 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c h\u1ec7 th\u1ed1ng l\u00e0m m\u00e1t b\u1eb1ng b\u1ee9c x\u1ea1.<\/li>\n<li><strong>Polyethylene pha t\u1ea1p:<\/strong> \u0110\u00e2y l\u00e0 m\u1ed9t lo\u1ea1i nh\u1ef1a c\u00f3 kh\u1ea3 n\u0103ng ph\u00e1t x\u1ea1 nhi\u1ec7t cao trong d\u1ea3i s\u00f3ng h\u1ed3ng ngo\u1ea1i.<\/li>\n<\/ul>\n<h2>\u01afu \u0111i\u1ec3m c\u1ee7a l\u00e0m m\u00e1t b\u1eb1ng b\u1ee9c x\u1ea1<\/h2>\n<ol>\n<li><strong>Ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng:<\/strong> H\u1ec7 th\u1ed1ng l\u00e0m m\u00e1t b\u1eb1ng b\u1ee9c x\u1ea1 kh\u00f4ng d\u00f9ng \u0111i\u1ec7n, gi\u00fap ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng.<\/li>\n<li><strong>Kh\u00f4ng g\u00e2y \u00f4 nhi\u1ec5m:<\/strong> Kh\u00f4ng g\u00e2y ra kh\u00ed th\u1ea3i ho\u1eb7c \u00f4 nhi\u1ec5m m\u00f4i tr\u01b0\u1eddng.<\/li>\n<li><strong>V\u1eadn h\u00e0nh \u0111\u01a1n gi\u1ea3n:<\/strong> Kh\u00f4ng c\u00f3 c\u00e1c b\u1ed9 ph\u1eadn c\u01a1 kh\u00ed ph\u1ee9c t\u1ea1p, \u00edt ph\u1ea3i b\u1ea3o tr\u00ec.<\/li>\n<\/ol>\n<h2>\u1ee8ng d\u1ee5ng th\u1ef1c ti\u1ec5n<\/h2>\n<p>L\u00e0m m\u00e1t b\u1eb1ng b\u1ee9c x\u1ea1 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng trong nhi\u1ec1u l\u0129nh v\u1ef1c kh\u00e1c nhau:<\/p>\n<ul>\n<li><strong>T\u00f2a nh\u00e0 v\u00e0 c\u00f4ng tr\u00ecnh x\u00e2y d\u1ef1ng:<\/strong> S\u1eed d\u1ee5ng v\u1eadt li\u1ec7u ph\u1ee7 \u0111\u1ec3 gi\u1ea3m nhi\u1ec7t \u0111\u1ed9 m\u00e1i nh\u00e0 v\u00e0 t\u01b0\u1eddng, c\u1ea3i thi\u1ec7n s\u1ef1 tho\u1ea3i m\u00e1i cho c\u01b0 d\u00e2n v\u00e0 gi\u1ea3m chi ph\u00ed \u0111i\u1ec1u h\u00f2a kh\u00f4ng kh\u00ed.<\/li>\n<li><strong>C\u00f4ng nghi\u1ec7p \u0111i\u1ec7n t\u1eed:<\/strong> L\u00e0m m\u00e1t c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed nh\u1ecf v\u00e0 nh\u1ea1y c\u1ea3m v\u1edbi nhi\u1ec7t \u0111\u1ed9.<\/li>\n<li><strong>\u1ee8ng d\u1ee5ng h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5:<\/strong> L\u00e0m m\u00e1t c\u00e1c b\u1ec1 m\u1eb7t ngo\u00e0i c\u1ee7a t\u00e0u v\u0169 tr\u1ee5 v\u00e0 v\u1ec7 tinh.<\/li>\n<\/ul>\n<h2>K\u1ebft lu\u1eadn<\/h2>\n<p>V\u1eadt li\u1ec7u l\u00e0m m\u00e1t b\u1eb1ng b\u1ee9c x\u1ea1 mang l\u1ea1i nhi\u1ec1u l\u1ee3i \u00edch trong c\u00e1c \u1ee9ng d\u1ee5ng t\u1eeb c\u00f4ng nghi\u1ec7p \u0111\u1ebfn d\u00e2n d\u1ee5ng. Nghi\u00ean c\u1ee9u v\u00e0 ph\u00e1t tri\u1ec3n c\u00e1c lo\u1ea1i 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 g\u00f3p ph\u1ea7n b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>V\u1eadt li\u1ec7u l\u00e0m m\u00e1t b\u1eb1ng b\u1ee9c x\u1ea1 l\u00e0 g\u00ec, ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o v\u00e0 t\u1ea7m quan tr\u1ecdng trong gi\u1ea3m nhi\u1ec7t \u0111\u1ed9 m\u00e0 kh\u00f4ng c\u1ea7n \u0111i\u1ec7n n\u0103ng, c\u1ea3i thi\u1ec7n hi\u1ec7u qu\u1ea3 n\u0103ng l\u01b0\u1ee3ng.<\/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 l\u00e0m m\u00e1t 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