{"id":679454,"date":"2024-08-18T04:39:55","date_gmt":"2024-08-18T03:39:55","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=679454"},"modified":"2024-08-18T04:39:55","modified_gmt":"2024-08-18T03:39:55","slug":"lieu-soc-nhiet-co-the-kiem-tra-do-ben-cua-gom-khong","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/lieu-soc-nhiet-co-the-kiem-tra-do-ben-cua-gom-khong\/","title":{"rendered":"Li\u1ec7u s\u1ed1c nhi\u1ec7t c\u00f3 th\u1ec3 ki\u1ec3m tra \u0111\u1ed9 b\u1ec1n c\u1ee7a g\u1ed1m kh\u00f4ng?"},"content":{"rendered":"<p class=\"sidekick\">Kh\u00e1m ph\u00e1 li\u1ec7u s\u1ed1c nhi\u1ec7t c\u00f3 th\u1ec3 ki\u1ec3m tra \u0111\u1ed9 b\u1ec1n c\u1ee7a g\u1ed1m kh\u00f4ng, t\u00ecm hi\u1ec3u t\u00e1c \u0111\u1ed9ng c\u1ee7a bi\u1ebfn \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9 \u0111\u1ed9t ng\u1ed9t t\u1edbi v\u1eadt li\u1ec7u g\u1ed1m v\u00e0 k\u1ebft qu\u1ea3 ki\u1ec3m tra \u0111\u1ed9 b\u1ec1n.<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/lieu_soc_nhiet_co_the_kiem_tra_do_ben_cua_gom_khong.png\" alt=\"Li\u1ec7u s\u1ed1c nhi\u1ec7t c\u00f3 th\u1ec3 ki\u1ec3m tra \u0111\u1ed9 b\u1ec1n c\u1ee7a g\u1ed1m kh\u00f4ng?\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>Li\u1ec7u S\u1ed1c Nhi\u1ec7t C\u00f3 Th\u1ec3 Ki\u1ec3m Tra \u0110\u1ed9 B\u1ec1n C\u1ee7a G\u1ed1m Kh\u00f4ng?<\/h2>\n<p>G\u1ed1m l\u00e0 m\u1ed9t lo\u1ea1i v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong nhi\u1ec1u l\u0129nh v\u1ef1c nh\u1edd v\u00e0o \u0111\u1ed9 b\u1ec1n, t\u00ednh \u1ed5n \u0111\u1ecbnh h\u00f3a h\u1ecdc v\u00e0 kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t cao. M\u1ed9t ph\u01b0\u01a1ng ph\u00e1p hi\u1ec3u qu\u1ea3 \u0111\u1ec3 ki\u1ec3m tra \u0111\u1ed9 b\u1ec1n c\u1ee7a g\u1ed1m l\u00e0 th\u00f4ng qua s\u1ed1c nhi\u1ec7t. V\u1eady, s\u1ed1c nhi\u1ec7t l\u00e0 g\u00ec v\u00e0 n\u00f3 c\u00f3 th\u1ec3 ki\u1ec3m tra \u0111\u1ed9 b\u1ec1n c\u1ee7a g\u1ed1m nh\u01b0 th\u1ebf n\u00e0o?<\/p>\n<h2>S\u1ed1c Nhi\u1ec7t L\u00e0 G\u00ec?<\/h2>\n<p>S\u1ed1c nhi\u1ec7t l\u00e0 hi\u1ec7n t\u01b0\u1ee3ng x\u1ea3y ra khi v\u1eadt li\u1ec7u ch\u1ecbu s\u1ef1 thay \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9 \u0111\u1ed9t ng\u1ed9t. \u0110i\u1ec1u n\u00e0y g\u00e2y ra s\u1ef1 gi\u00e3n n\u1edf ho\u1eb7c co l\u1ea1i kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u trong v\u1eadt li\u1ec7u, d\u1eabn \u0111\u1ebfn \u1ee9ng su\u1ea5t nhi\u1ec7t.<\/p>\n<ul>\n<li>M\u1ed9t v\u00ed d\u1ee5 \u0111\u01a1n gi\u1ea3n l\u00e0 khi m\u1ed9t t\u1ea5m k\u00ednh n\u00f3ng \u0111\u01b0\u1ee3c nh\u00fang v\u00e0o n\u01b0\u1edbc l\u1ea1nh, s\u1ef1 thay \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9 \u0111\u1ed9t ng\u1ed9t c\u00f3 th\u1ec3 l\u00e0m k\u00ednh b\u1ecb n\u1ee9t.<\/li>\n<\/ul>\n<h2>C\u01a1 Ch\u1ebf C\u1ee7a S\u1ed1c Nhi\u1ec7t<\/h2>\n<p>Khi v\u1eadt li\u1ec7u g\u1ed1m ch\u1ecbu s\u1ed1c nhi\u1ec7t, c\u00e1c l\u1edbp b\u00ean ngo\u00e0i c\u00f3 th\u1ec3 gi\u00e3n n\u1edf ho\u1eb7c co l\u1ea1i nhanh h\u01a1n so v\u1edbi c\u00e1c l\u1edbp b\u00ean trong. S\u1ef1 ch\u00eanh l\u1ec7ch n\u00e0y g\u00e2y ra \u1ee9ng su\u1ea5t nhi\u1ec7t, v\u00e0 n\u1ebfu \u1ee9ng su\u1ea5t n\u00e0y v\u01b0\u1ee3t qu\u00e1 gi\u1edbi h\u1ea1n ch\u1ecbu \u0111\u1ef1ng c\u1ee7a v\u1eadt li\u1ec7u, n\u00f3 s\u1ebd d\u1eabn \u0111\u1ebfn s\u1ef1 h\u00ecnh th\u00e0nh v\u1ebft n\u1ee9t.<\/p>\n<ol>\n<li>\u1ee8ng su\u1ea5t nhi\u1ec7t (\\( \\sigma \\)) c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n b\u1eb1ng c\u00f4ng th\u1ee9c: \\( \\sigma = E * \\alpha * \\Delta T \\)<\/li>\n<li>\u1ede \u0111\u00e2y:\n<ul>\n<li>\\(E\\) l\u00e0 m\u00f4-\u0111un \u0111\u00e0n h\u1ed3i c\u1ee7a v\u1eadt li\u1ec7u<\/li>\n<li>\\( \\alpha \\) l\u00e0 h\u1ec7 s\u1ed1 gi\u00e3n n\u1edf nhi\u1ec7t<\/li>\n<li>\\( \\Delta T \\) l\u00e0 s\u1ef1 ch\u00eanh l\u1ec7ch nhi\u1ec7t \u0111\u1ed9<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<h2>S\u1ed1c Nhi\u1ec7t C\u00f3 Ki\u1ec3m Tra \u0110\u1ed9 B\u1ec1n C\u1ee7a G\u1ed1m Kh\u00f4ng?<\/h2>\n<p>Nh\u1edd v\u00e0o kh\u1ea3 n\u0103ng t\u1ea1o ra \u1ee9ng su\u1ea5t nhi\u1ec7t nhanh ch\u00f3ng, s\u1ed1c nhi\u1ec7t l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p h\u1eefu hi\u1ec7u \u0111\u1ec3 ki\u1ec3m tra \u0111\u1ed9 b\u1ec1n c\u1ee7a g\u1ed1m. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 l\u00fd do:<\/p>\n<ul>\n<li><b>Ph\u00e1t hi\u1ec7n khuy\u1ebft t\u1eadt:<\/b> S\u1ef1 \u1ee9ng su\u1ea5t nhi\u1ec7t c\u00f3 th\u1ec3 l\u00e0m l\u1ed9 ra nh\u1eefng v\u1ebft n\u1ee9t ho\u1eb7c khuy\u1ebft t\u1eadt \u1ea9n trong g\u1ed1m.<\/li>\n<li><b>\u0110\u00e1nh gi\u00e1 ch\u1ecbu nhi\u1ec7t:<\/b> Gi\u00fap x\u00e1c \u0111\u1ecbnh m\u1ee9c \u0111\u1ed9 m\u00e0 g\u1ed1m c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u1ef1ng s\u1ef1 thay \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9 m\u00e0 kh\u00f4ng b\u1ecb h\u01b0 h\u1ea1i.<\/li>\n<li><b>Ki\u1ec3m nghi\u1ec7m th\u1ef1c t\u1ebf:<\/b> M\u00f4 ph\u1ecfng c\u00e1c \u0111i\u1ec1u ki\u1ec7n l\u00e0m vi\u1ec7c th\u1ef1c t\u1ebf m\u00e0 g\u1ed1m c\u00f3 th\u1ec3 g\u1eb7p ph\u1ea3i.<\/li>\n<\/ul>\n<h2>Ph\u01b0\u01a1ng Ph\u00e1p Th\u1ef1c Hi\u1ec7n<\/h2>\n<p>\u0110\u1ec3 ti\u1ebfn h\u00e0nh ki\u1ec3m tra s\u1ed1c nhi\u1ec7t, g\u1ed1m th\u01b0\u1eddng \u0111\u01b0\u1ee3c nung n\u00f3ng \u0111\u1ebfn m\u1ed9t nhi\u1ec7t \u0111\u1ed9 nh\u1ea5t \u0111\u1ecbnh, sau \u0111\u00f3 l\u00e0m ngu\u1ed9i \u0111\u1ed9t ng\u1ed9t b\u1eb1ng c\u00e1c ph\u01b0\u01a1ng ph\u00e1p nh\u01b0:<\/p>\n<ol>\n<li>Nh\u00fang v\u00e0o n\u01b0\u1edbc l\u1ea1nh<\/li>\n<li>Ti\u1ebfp x\u00fac v\u1edbi kh\u00ed l\u1ea1nh<\/li>\n<li>S\u1eed d\u1ee5ng c\u00e1c b\u1ec1 m\u1eb7t l\u00e0m l\u1ea1nh nhanh<\/li>\n<\/ol>\n<p>Sau c\u00e1c th\u1eed nghi\u1ec7m s\u1ed1c nhi\u1ec7t, g\u1ed1m s\u1ebd \u0111\u01b0\u1ee3c ki\u1ec3m tra xem c\u00f3 xu\u1ea5t hi\u1ec7n v\u1ebft n\u1ee9t, khuy\u1ebft t\u1eadt hay kh\u00f4ng. \u0110i\u1ec1u n\u00e0y gi\u00fap \u0111\u00e1nh gi\u00e1 ch\u00ednh x\u00e1c kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t v\u00e0 \u0111\u1ed9 b\u1ec1n c\u01a1 h\u1ecdc c\u1ee7a v\u1eadt li\u1ec7u g\u1ed1m.<\/p>\n<h2>K\u1ebft Lu\u1eadn<\/h2>\n<p>S\u1ed1c nhi\u1ec7t l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p ki\u1ec3m tra \u0111\u1ed9 b\u1ec1n hi\u1ec7u qu\u1ea3 v\u00e0 c\u1ea7n thi\u1ebft cho v\u1eadt li\u1ec7u g\u1ed1m. B\u1eb1ng c\u00e1ch t\u1ea1o ra \u1ee9ng su\u1ea5t nhi\u1ec7t \u0111\u1ed9t ng\u1ed9t, n\u00f3 gi\u00fap ph\u00e1t hi\u1ec7n c\u00e1c khuy\u1ebft t\u1eadt v\u00e0 \u0111\u00e1nh gi\u00e1 kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t c\u1ee7a v\u1eadt li\u1ec7u. \u0110\u00e2y l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 quan tr\u1ecdng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 \u0111\u1ed9 tin c\u1eady c\u1ee7a c\u00e1c s\u1ea3n ph\u1ea9m g\u1ed1m trong c\u00e1c \u1ee9ng d\u1ee5ng th\u1ef1c t\u1ebf.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Kh\u00e1m ph\u00e1 li\u1ec7u s\u1ed1c nhi\u1ec7t c\u00f3 th\u1ec3 ki\u1ec3m tra \u0111\u1ed9 b\u1ec1n c\u1ee7a g\u1ed1m kh\u00f4ng, t\u00ecm hi\u1ec3u t\u00e1c \u0111\u1ed9ng c\u1ee7a bi\u1ebfn \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9 \u0111\u1ed9t ng\u1ed9t t\u1edbi v\u1eadt li\u1ec7u g\u1ed1m v\u00e0 k\u1ebft qu\u1ea3 ki\u1ec3m tra \u0111\u1ed9 b\u1ec1n.<\/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>Li\u1ec7u s\u1ed1c nhi\u1ec7t c\u00f3 th\u1ec3 ki\u1ec3m tra \u0111\u1ed9 b\u1ec1n c\u1ee7a g\u1ed1m kh\u00f4ng?<\/title>\n<meta name=\"description\" content=\"Kh\u00e1m ph\u00e1 li\u1ec7u s\u1ed1c nhi\u1ec7t c\u00f3 th\u1ec3 ki\u1ec3m tra \u0111\u1ed9 b\u1ec1n c\u1ee7a g\u1ed1m kh\u00f4ng, t\u00ecm hi\u1ec3u t\u00e1c \u0111\u1ed9ng c\u1ee7a bi\u1ebfn \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9 \u0111\u1ed9t ng\u1ed9t t\u1edbi v\u1eadt li\u1ec7u g\u1ed1m v\u00e0 k\u1ebft qu\u1ea3 ki\u1ec3m tra \u0111\u1ed9 b\u1ec1n.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link 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