{"id":679511,"date":"2024-11-03T14:49:38","date_gmt":"2024-11-03T13:49:38","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=679511"},"modified":"2024-11-03T14:49:38","modified_gmt":"2024-11-03T13:49:38","slug":"cach-vach-ngan-khoi-nhiet-dieu-hoa-nhiet-do-ben-trong","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/cach-vach-ngan-khoi-nhiet-dieu-hoa-nhiet-do-ben-trong\/","title":{"rendered":"C\u00e1ch v\u00e1ch ng\u0103n kh\u1ed1i nhi\u1ec7t \u0111i\u1ec1u h\u00f2a nhi\u1ec7t \u0111\u1ed9 b\u00ean trong"},"content":{"rendered":"<p class=\"sidekick\">C\u00e1ch v\u00e1ch ng\u0103n kh\u1ed1i nhi\u1ec7t \u0111i\u1ec1u h\u00f2a nhi\u1ec7t \u0111\u1ed9 b\u00ean trong: T\u00ecm hi\u1ec3u c\u00e1ch c\u00e1c v\u00e1ch ng\u0103n \u0111i\u1ec1u ch\u1ec9nh nhi\u1ec7t \u0111\u1ed9, duy tr\u00ec s\u1ef1 tho\u1ea3i m\u00e1i v\u00e0 ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng nh\u00e0 b\u1ea1n.<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/cach_vach_ngan_khoi_nhiet_dieu_hoa_nhiet_do_ben_trong.png\" alt=\"C\u00e1ch v\u00e1ch ng\u0103n kh\u1ed1i nhi\u1ec7t \u0111i\u1ec1u h\u00f2a nhi\u1ec7t \u0111\u1ed9 b\u00ean trong\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>C\u00e1ch v\u00e1ch ng\u0103n kh\u1ed1i nhi\u1ec7t \u0111i\u1ec1u h\u00f2a nhi\u1ec7t \u0111\u1ed9 b\u00ean trong<\/h2>\n<p>V\u00e1ch ng\u0103n kh\u1ed1i nhi\u1ec7t l\u00e0 m\u1ed9t trong nh\u1eefng c\u00f4ng ngh\u1ec7 quan tr\u1ecdng trong ng\u00e0nh nhi\u1ec7t k\u1ef9 thu\u1eadt, gi\u00fap \u0111i\u1ec1u h\u00f2a nhi\u1ec7t \u0111\u1ed9 b\u00ean trong c\u00e1c kh\u00f4ng gian kh\u00e1c nhau. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd gi\u1edbi thi\u1ec7u v\u1ec1 v\u00e1ch ng\u0103n kh\u1ed1i nhi\u1ec7t, c\u00e1ch ch\u00fang ho\u1ea1t \u0111\u1ed9ng, c\u0169ng nh\u01b0 \u1ee9ng d\u1ee5ng c\u1ee7a ch\u00fang trong \u0111\u1eddi s\u1ed1ng th\u1ef1c t\u1ebf.<\/p>\n<h2>V\u00e1ch ng\u0103n kh\u1ed1i nhi\u1ec7t l\u00e0 g\u00ec?<\/h2>\n<p>V\u00e1ch ng\u0103n kh\u1ed1i nhi\u1ec7t (Thermal Mass Partition) l\u00e0 c\u00e1c b\u1ee9c t\u01b0\u1eddng ho\u1eb7c v\u1eadt li\u1ec7u c\u00f3 kh\u1ea3 n\u0103ng gi\u1eef v\u00e0 truy\u1ec1n nhi\u1ec7t t\u1ed1t. Ch\u00fang \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 duy tr\u00ec nhi\u1ec7t \u0111\u1ed9 b\u00ean trong c\u00e1c kh\u00f4ng gian nh\u01b0 nh\u00e0 c\u1eeda, v\u0103n ph\u00f2ng, nh\u00e0 x\u01b0\u1edfng, v.v., th\u00f4ng qua vi\u1ec7c h\u1ea5p th\u1ee5, l\u01b0u tr\u1eef v\u00e0 gi\u1ea3i ph\u00f3ng nhi\u1ec7t l\u01b0\u1ee3ng theo th\u1eddi gian.<\/p>\n<h2>C\u00e1ch v\u00e1ch ng\u0103n kh\u1ed1i nhi\u1ec7t ho\u1ea1t \u0111\u1ed9ng<\/h2>\n<ul>\n<li>Ch\u1ea5t li\u1ec7u: V\u00e1ch ng\u0103n kh\u1ed1i nhi\u1ec7t th\u01b0\u1eddng \u0111\u01b0\u1ee3c l\u00e0m t\u1eeb c\u00e1c v\u1eadt li\u1ec7u c\u00f3 kh\u1ed1i l\u01b0\u1ee3ng ri\u00eang cao nh\u01b0 b\u00ea t\u00f4ng, g\u1ea1ch, \u0111\u00e1 t\u1ef1 nhi\u00ean ho\u1eb7c c\u00e1c v\u1eadt li\u1ec7u t\u1ed5ng h\u1ee3p \u0111\u1eb7c bi\u1ec7t.<\/li>\n<li>Kh\u1ea3 n\u0103ng h\u1ea5p th\u1ee5 nhi\u1ec7t: C\u00e1c v\u1eadt li\u1ec7u n\u00e0y h\u1ea5p th\u1ee5 nhi\u1ec7t v\u00e0o ban ng\u00e0y khi nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng b\u00ean ngo\u00e0i cao.<\/li>\n<li>L\u01b0u tr\u1eef nhi\u1ec7t: Nhi\u1ec7t l\u01b0\u1ee3ng \u0111\u01b0\u1ee3c h\u1ea5p th\u1ee5 s\u1ebd \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef trong v\u1eadt li\u1ec7u su\u1ed1t ng\u00e0y.<\/li>\n<li>Gi\u1ea3i ph\u00f3ng nhi\u1ec7t: Khi nhi\u1ec7t \u0111\u1ed9 b\u00ean ngo\u00e0i gi\u1ea3m v\u00e0o ban \u0111\u00eam, nhi\u1ec7t l\u01b0\u1ee3ng \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef s\u1ebd \u0111\u01b0\u1ee3c gi\u1ea3i ph\u00f3ng t\u1eeb t\u1eeb v\u00e0o kh\u00f4ng gian b\u00ean trong, gi\u1eef nhi\u1ec7t \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh.<\/li>\n<\/ul>\n<h2>\u1ee8ng d\u1ee5ng c\u1ee7a v\u00e1ch ng\u0103n kh\u1ed1i nhi\u1ec7t<\/h2>\n<ol>\n<li>\n        <b>Nh\u00e0 \u1edf v\u00e0 c\u0103n h\u1ed9:<\/b> S\u1eed d\u1ee5ng v\u00e1ch ng\u0103n kh\u1ed1i nhi\u1ec7t trong x\u00e2y d\u1ef1ng nh\u00e0 c\u1eeda gi\u00fap gi\u1ea3m thi\u1ec3u s\u1ef1 dao \u0111\u1ed9ng v\u1ec1 nhi\u1ec7t \u0111\u1ed9 trong nh\u00e0, t\u1ea1o m\u00f4i tr\u01b0\u1eddng s\u1ed1ng d\u1ec5 ch\u1ecbu v\u00e0 ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng.\n    <\/li>\n<li>\n        <b>T\u00f2a nh\u00e0 v\u0103n ph\u00f2ng:<\/b> Gi\u00fap \u1ed5n \u0111\u1ecbnh nhi\u1ec7t \u0111\u1ed9 trong v\u0103n ph\u00f2ng, gi\u1ea3m chi ph\u00ed \u0111i\u1ec1u h\u00f2a nhi\u1ec7t \u0111\u1ed9 v\u00e0 t\u0103ng hi\u1ec7u qu\u1ea3 l\u00e0m vi\u1ec7c.\n    <\/li>\n<li>\n        <b>Nh\u00e0 m\u00e1y v\u00e0 kho:<\/b> C\u00e1c v\u00e1ch ng\u0103n kh\u1ed1i nhi\u1ec7t gi\u00fap duy tr\u00ec nhi\u1ec7t \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh, b\u1ea3o v\u1ec7 h\u00e0ng h\u00f3a v\u00e0 thi\u1ebft b\u1ecb kh\u1ecfi s\u1ef1 bi\u1ebfn \u0111\u1ed9ng nhi\u1ec7t \u0111\u1ed9 qu\u00e1 l\u1edbn.\n    <\/li>\n<\/ol>\n<h2>V\u00ed d\u1ee5 v\u1ec1 t\u00ednh to\u00e1n nhi\u1ec7t l\u01b0\u1ee3ng c\u1ee7a v\u00e1ch ng\u0103n kh\u1ed1i nhi\u1ec7t<\/h2>\n<p>\u0110\u1ec3 t\u00ednh to\u00e1n nhi\u1ec7t l\u01b0\u1ee3ng h\u1ea5p th\u1ee5 ho\u1eb7c gi\u1ea3i ph\u00f3ng, ta s\u1eed d\u1ee5ng c\u00f4ng th\u1ee9c:<\/p>\n<p><i>Q = m * c * \u0394T<\/i><\/p>\n<p>Trong \u0111\u00f3:<\/p>\n<ul>\n<li><b>Q:<\/b> Nhi\u1ec7t l\u01b0\u1ee3ng (Joule)<\/li>\n<li><b>m:<\/b> Kh\u1ed1i l\u01b0\u1ee3ng c\u1ee7a v\u1eadt li\u1ec7u (kg)<\/li>\n<li><b>c:<\/b> Nhi\u1ec7t dung ri\u00eang c\u1ee7a v\u1eadt li\u1ec7u (J\/kg.K)<\/li>\n<li><b>\u0394T:<\/b> S\u1ef1 thay \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9 (K)<\/li>\n<\/ul>\n<p>V\u00ed d\u1ee5, v\u1edbi v\u00e1ch ng\u0103n b\u00ea t\u00f4ng c\u00f3 kh\u1ed1i l\u01b0\u1ee3ng 1000 kg, nhi\u1ec7t dung ri\u00eang l\u00e0 880 J\/kg.K v\u00e0 nhi\u1ec7t \u0111\u1ed9 thay \u0111\u1ed5i t\u1eeb 20\u00b0C l\u00ean 30\u00b0C, ta c\u00f3:<\/p>\n<p><i>Q = 1000 * 880 * (30-20) = 8,800,000 Joules<\/i><\/p>\n<h2>K\u1ebft lu\u1eadn<\/h2>\n<p>V\u00e1ch ng\u0103n kh\u1ed1i nhi\u1ec7t l\u00e0 m\u1ed9t gi\u1ea3i ph\u00e1p hi\u1ec7u qu\u1ea3 v\u00e0 b\u1ec1n v\u1eefng trong vi\u1ec7c \u0111i\u1ec1u h\u00f2a nhi\u1ec7t \u0111\u1ed9 b\u00ean trong c\u00e1c kh\u00f4ng gian s\u1ed1ng v\u00e0 l\u00e0m vi\u1ec7c. Ch\u00fang kh\u00f4ng ch\u1ec9 gi\u00fap duy tr\u00ec nhi\u1ec7t \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh m\u00e0 c\u00f2n gi\u1ea3m thi\u1ec3u ti\u00eau th\u1ee5 n\u0103ng l\u01b0\u1ee3ng, g\u00f3p ph\u1ea7n b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>C\u00e1ch v\u00e1ch ng\u0103n kh\u1ed1i nhi\u1ec7t \u0111i\u1ec1u h\u00f2a nhi\u1ec7t \u0111\u1ed9 b\u00ean trong: T\u00ecm hi\u1ec3u c\u00e1ch c\u00e1c v\u00e1ch ng\u0103n \u0111i\u1ec1u ch\u1ec9nh nhi\u1ec7t \u0111\u1ed9, duy tr\u00ec s\u1ef1 tho\u1ea3i m\u00e1i v\u00e0 ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng nh\u00e0 b\u1ea1n.<\/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>C\u00e1ch v\u00e1ch ng\u0103n 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