{"id":674162,"date":"2024-07-27T20:52:00","date_gmt":"2024-07-27T19:52:00","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=674162"},"modified":"2024-07-27T20:52:00","modified_gmt":"2024-07-27T19:52:00","slug":"cach-thuc-hoat-dong-cua-luu-tru-nhiet-do-phan-tang","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/cach-thuc-hoat-dong-cua-luu-tru-nhiet-do-phan-tang\/","title":{"rendered":"C\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng c\u1ee7a l\u01b0u tr\u1eef nhi\u1ec7t \u0111\u1ed9 ph\u00e2n t\u1ea7ng"},"content":{"rendered":"<p class=\"sidekick\">C\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng c\u1ee7a l\u01b0u tr\u1eef nhi\u1ec7t \u0111\u1ed9 ph\u00e2n t\u1ea7ng: Gi\u1ea3i th\u00edch nguy\u00ean l\u00fd v\u00e0 \u1ee9ng d\u1ee5ng c\u1ee7a l\u01b0u tr\u1eef nhi\u1ec7t n\u0103ng theo ph\u00e2n t\u1ea7ng trong h\u1ec7 th\u1ed1ng nhi\u1ec7t.<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/cach_thuc_hoat_dong_cua_luu_tru_nhiet_do_phan_tang.png\" alt=\"C\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng c\u1ee7a l\u01b0u tr\u1eef nhi\u1ec7t \u0111\u1ed9 ph\u00e2n t\u1ea7ng\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>C\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng c\u1ee7a l\u01b0u tr\u1eef nhi\u1ec7t \u0111\u1ed9 ph\u00e2n t\u1ea7ng<\/h2>\n<p>L\u01b0u tr\u1eef nhi\u1ec7t \u0111\u1ed9 ph\u00e2n t\u1ea7ng l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p quan tr\u1ecdng trong l\u0129nh v\u1ef1c k\u1ef9 thu\u1eadt nhi\u1ec7t, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong c\u00e1c h\u1ec7 th\u1ed1ng l\u01b0u tr\u1eef n\u0103ng l\u01b0\u1ee3ng nhi\u1ec7t. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y t\u1eadn d\u1ee5ng nguy\u00ean l\u00fd v\u1eadt l\u00fd c\u01a1 b\u1ea3n c\u1ee7a s\u1ef1 ph\u00e2n t\u1ea7ng nhi\u1ec7t \u0111\u1ed9 \u0111\u1ec3 t\u0103ng c\u01b0\u1eddng hi\u1ec7u su\u1ea5t c\u1ee7a h\u1ec7 th\u1ed1ng.<\/p>\n<h2>Kh\u00e1i ni\u1ec7m v\u1ec1 s\u1ef1 ph\u00e2n t\u1ea7ng nhi\u1ec7t \u0111\u1ed9<\/h2>\n<p>S\u1ef1 ph\u00e2n t\u1ea7ng nhi\u1ec7t \u0111\u1ed9 l\u00e0 qu\u00e1 tr\u00ecnh trong \u0111\u00f3 c\u00e1c l\u1edbp ch\u1ea5t l\u1ecfng c\u00f3 nhi\u1ec7t \u0111\u1ed9 kh\u00e1c nhau t\u1ef1 \u0111\u1ed9ng x\u1ebfp ch\u1ed3ng l\u00ean nhau d\u1ef1a tr\u00ean m\u1eadt \u0111\u1ed9 c\u1ee7a ch\u00fang. N\u00f3i m\u1ed9t c\u00e1ch \u0111\u01a1n gi\u1ea3n, ch\u1ea5t l\u1ecfng n\u00f3ng h\u01a1n, nh\u1eb9 h\u01a1n s\u1ebd n\u1ed5i l\u00ean tr\u00ean, trong khi ch\u1ea5t l\u1ecfng l\u1ea1nh h\u01a1n, n\u1eb7ng h\u01a1n s\u1ebd ch\u00ecm xu\u1ed1ng d\u01b0\u1edbi. Nguy\u00ean l\u00fd n\u00e0y \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng trong c\u00e1c h\u1ec7 th\u1ed1ng l\u01b0u tr\u1eef nhi\u1ec7t \u0111\u1ed9 \u0111\u1ec3 t\u1ea1o ra c\u00e1c l\u1edbp nhi\u1ec7t \u0111\u1ed9 kh\u00e1c nhau trong m\u1ed9t b\u1ec3 ch\u1ee9a.<\/p>\n<h2>\u1ee8ng d\u1ee5ng c\u1ee7a l\u01b0u tr\u1eef nhi\u1ec7t \u0111\u1ed9 ph\u00e2n t\u1ea7ng<\/h2>\n<p>L\u01b0u tr\u1eef nhi\u1ec7t \u0111\u1ed9 ph\u00e2n t\u1ea7ng th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c h\u1ec7 th\u1ed1ng nh\u01b0:<\/p>\n<ul>\n<li>H\u1ec7 th\u1ed1ng n\u01b0\u1edbc n\u00f3ng n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi<\/li>\n<li>H\u1ec7 th\u1ed1ng \u0111i\u1ec1u h\u00f2a kh\u00f4ng kh\u00ed<\/li>\n<li>H\u1ec7 th\u1ed1ng s\u01b0\u1edfi \u1ea5m t\u00f2a nh\u00e0<\/li>\n<li>C\u00e1c nh\u00e0 m\u00e1y \u0111i\u1ec7n s\u1eed d\u1ee5ng n\u0103ng l\u01b0\u1ee3ng t\u00e1i t\u1ea1o<\/li>\n<\/ul>\n<p>Trong c\u00e1c h\u1ec7 th\u1ed1ng n\u00e0y, vi\u1ec7c gi\u1eef c\u00e1c l\u1edbp nhi\u1ec7t \u0111\u1ed9 kh\u00e1c nhau trong m\u1ed9t b\u1ec3 ch\u1ee9a gi\u00fap t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t trao \u0111\u1ed5i nhi\u1ec7t.<\/p>\n<h2>Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng<\/h2>\n<ol>\n<li>Khi ch\u1ea5t l\u1ecfng n\u00f3ng \u0111\u01b0\u1ee3c b\u01a1m v\u00e0o b\u1ec3 ch\u1ee9a, n\u00f3 s\u1ebd n\u1ed5i l\u00ean tr\u00ean v\u00ec n\u00f3 nh\u1eb9 h\u01a1n.<\/li>\n<li>Ch\u1ea5t l\u1ecfng l\u1ea1nh h\u01a1n s\u1ebd ch\u00ecm xu\u1ed1ng d\u01b0\u1edbi do m\u1eadt \u0111\u1ed9 cao h\u01a1n.<\/li>\n<li>C\u00e1c v\u00e1ch ng\u0103n ho\u1eb7c t\u1ea5m ph\u00e2n t\u1ea7ng th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 gi\u00fap ph\u00e2n chia c\u00e1c l\u1edbp nhi\u1ec7t \u0111\u1ed9 v\u00e0 ng\u0103n ch\u1eb7n s\u1ef1 pha tr\u1ed9n qu\u00e1 m\u1ee9c.<\/li>\n<li>Khi c\u1ea7n thi\u1ebft s\u1eed d\u1ee5ng n\u0103ng l\u01b0\u1ee3ng, h\u1ec7 th\u1ed1ng s\u1ebd l\u1ea5y ch\u1ea5t l\u1ecfng \u1edf t\u1ea7ng c\u00f3 nhi\u1ec7t \u0111\u1ed9 ph\u00f9 h\u1ee3p nh\u1ea5t, gi\u00fap t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t trao \u0111\u1ed5i nhi\u1ec7t.<\/li>\n<\/ol>\n<h2>C\u00f4ng th\u1ee9c t\u00ednh to\u00e1n trong l\u01b0u tr\u1eef nhi\u1ec7t \u0111\u1ed9 ph\u00e2n t\u1ea7ng<\/h2>\n<p>C\u00e1c c\u00f4ng th\u1ee9c c\u01a1 b\u1ea3n \u0111\u1ec3 t\u00ednh to\u00e1n n\u0103ng l\u01b0\u1ee3ng l\u01b0u tr\u1eef trong h\u1ec7 th\u1ed1ng l\u01b0u tr\u1eef nhi\u1ec7t \u0111\u1ed9 ph\u00e2n t\u1ea7ng bao g\u1ed3m:<\/p>\n<p>1. Nhi\u1ec7t l\u01b0\u1ee3ng \\( Q \\) l\u01b0u tr\u1eef \u0111\u01b0\u1ee3c t\u00ednh b\u1eb1ng:<\/p>\n<p>\\[<br \/>\nQ = m * c * \\Delta T<br \/>\n\\]\n<p>Trong \u0111\u00f3:<\/p>\n<ul>\n<li> \\( Q \\): Nhi\u1ec7t l\u01b0\u1ee3ng (Joul &#8211; J)<\/li>\n<li> \\( m \\): Kh\u1ed1i l\u01b0\u1ee3ng c\u1ee7a ch\u1ea5t l\u1ecfng (kg)<\/li>\n<li> \\( c \\): Nhi\u1ec7t dung ri\u00eang c\u1ee7a ch\u1ea5t l\u1ecfng (J\/(kg*K))<\/li>\n<li> \\( \\Delta T \\): S\u1ef1 ch\u00eanh l\u1ec7ch nhi\u1ec7t \u0111\u1ed9 (K)<\/li>\n<\/ul>\n<h2>K\u1ebft lu\u1eadn<\/h2>\n<p>L\u01b0u tr\u1eef nhi\u1ec7t \u0111\u1ed9 ph\u00e2n t\u1ea7ng l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p hi\u1ec7u qu\u1ea3 trong vi\u1ec7c qu\u1ea3n l\u00fd v\u00e0 s\u1eed d\u1ee5ng n\u0103ng l\u01b0\u1ee3ng nhi\u1ec7t. B\u1eb1ng c\u00e1ch t\u1eadn d\u1ee5ng s\u1ef1 ph\u00e2n t\u1ea7ng nhi\u1ec7t t\u1ef1 nhi\u00ean v\u00e0 c\u00e1c c\u1ea5u tr\u00fac h\u1ed7 tr\u1ee3, ch\u00fang ta c\u00f3 th\u1ec3 t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t c\u1ee7a c\u00e1c h\u1ec7 th\u1ed1ng s\u01b0\u1edfi \u1ea5m, l\u00e0m l\u1ea1nh v\u00e0 cung c\u1ea5p n\u0103ng l\u01b0\u1ee3ng. Hi\u1ec3u r\u00f5 nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a l\u01b0u tr\u1eef nhi\u1ec7t \u0111\u1ed9 ph\u00e2n t\u1ea7ng s\u1ebd gi\u00fap ch\u00fang ta \u00e1p d\u1ee5ng k\u1ef9 thu\u1eadt n\u00e0y m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3 h\u01a1n trong c\u00e1c \u1ee9ng d\u1ee5ng th\u1ef1c t\u1ebf.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>C\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng c\u1ee7a l\u01b0u tr\u1eef nhi\u1ec7t \u0111\u1ed9 ph\u00e2n t\u1ea7ng: Gi\u1ea3i th\u00edch nguy\u00ean l\u00fd v\u00e0 \u1ee9ng d\u1ee5ng c\u1ee7a l\u01b0u tr\u1eef nhi\u1ec7t n\u0103ng theo ph\u00e2n t\u1ea7ng trong h\u1ec7 th\u1ed1ng 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>C\u00e1ch 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