{"id":700969,"date":"2024-11-10T00:40:44","date_gmt":"2024-11-09T23:40:44","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=700969"},"modified":"2024-11-10T00:40:44","modified_gmt":"2024-11-09T23:40:44","slug":"chuyen-nhiet-trong-ky-thuat-an-toan-chay-no","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/chuyen-nhiet-trong-ky-thuat-an-toan-chay-no\/","title":{"rendered":"Chuy\u1ec3n nhi\u1ec7t trong k\u1ef9 thu\u1eadt an to\u00e0n ch\u00e1y n\u1ed5"},"content":{"rendered":"<p class=\"sidekick\">Chuy\u1ec3n nhi\u1ec7t trong k\u1ef9 thu\u1eadt an to\u00e0n ch\u00e1y n\u1ed5: Gi\u1edbi thi\u1ec7u nguy\u00ean l\u00fd c\u01a1 b\u1ea3n v\u00e0 \u1ee9ng d\u1ee5ng th\u1ef1c t\u1ebf, \u0111\u1ea3m b\u1ea3o hi\u1ec7u qu\u1ea3 an to\u00e0n v\u00e0 ph\u00f2ng ch\u1ed1ng ch\u00e1y n\u1ed5.<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/chuyen_nhiet_trong_ky_thuat_an_toan_chay_no.png\" alt=\"Chuy\u1ec3n nhi\u1ec7t trong k\u1ef9 thu\u1eadt an to\u00e0n ch\u00e1y n\u1ed5\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>Chuy\u1ec3n nhi\u1ec7t trong k\u1ef9 thu\u1eadt an to\u00e0n ch\u00e1y n\u1ed5<\/h2>\n<p>Chuy\u1ec3n nhi\u1ec7t l\u00e0 m\u1ed9t l\u0129nh v\u1ef1c quan tr\u1ecdng trong k\u1ef9 thu\u1eadt an to\u00e0n ch\u00e1y n\u1ed5, b\u1edfi v\u00ec qu\u00e1 tr\u00ecnh n\u00e0y \u1ea3nh h\u01b0\u1edfng l\u1edbn \u0111\u1ebfn s\u1ef1 ph\u00e1t t\u1ecfa nhi\u1ec7t v\u00e0 ti\u1ebfn tr\u00ecnh lan truy\u1ec1n l\u1eeda. Hi\u1ec3u r\u00f5 v\u1ec1 chuy\u1ec3n nhi\u1ec7t gi\u00fap k\u1ef9 s\u01b0 thi\u1ebft k\u1ebf c\u00e1c h\u1ec7 th\u1ed1ng an to\u00e0n hi\u1ec7u qu\u1ea3 \u0111\u1ec3 ng\u0103n ch\u1eb7n ch\u00e1y v\u00e0 n\u1ed5.<\/p>\n<h2>C\u00e1c ph\u01b0\u01a1ng th\u1ee9c chuy\u1ec3n nhi\u1ec7t<\/h2>\n<ul>\n<li>D\u1eabn nhi\u1ec7t: L\u1edbp ti\u1ebfp x\u00fac gi\u1eefa c\u00e1c v\u1eadt ch\u1ea5t s\u1ebd truy\u1ec1n nhi\u1ec7t t\u1eeb n\u01a1i c\u00f3 nhi\u1ec7t \u0111\u1ed9 cao sang n\u01a1i c\u00f3 nhi\u1ec7t \u0111\u1ed9 th\u1ea5p. C\u00f4ng th\u1ee9c t\u00ednh d\u1eabn nhi\u1ec7t:\n<p>Q = k * A * (T<sub>2<\/sub> &#8211; T<sub>1<\/sub>) \/ d<\/p>\n<p>Trong \u0111\u00f3:<\/p>\n<ul>\n<li>Q: L\u01b0\u1ee3ng nhi\u1ec7t truy\u1ec1n<\/li>\n<li>k: H\u1ec7 s\u1ed1 d\u1eabn nhi\u1ec7t c\u1ee7a v\u1eadt li\u1ec7u<\/li>\n<li>A: Di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac<\/li>\n<li>T<sub>1<\/sub>, T<sub>2<\/sub>: Nhi\u1ec7t \u0111\u1ed9 t\u1ea1i hai b\u1ec1 m\u1eb7t<\/li>\n<li>d: \u0110\u1ed9 d\u00e0y c\u1ee7a v\u1eadt li\u1ec7u<\/li>\n<\/ul>\n<\/li>\n<li>\u0110\u1ed1i l\u01b0u: L\u00e0 qu\u00e1 tr\u00ecnh chuy\u1ec3n nhi\u1ec7t qua d\u00f2ng ch\u1ea3y ch\u1ea5t l\u1ecfng ho\u1eb7c kh\u00ed. Trong k\u1ef9 thu\u1eadt an to\u00e0n ch\u00e1y n\u1ed5, \u0111\u1ed1i l\u01b0u th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 l\u00e0m m\u00e1t c\u00e1c thi\u1ebft b\u1ecb v\u00e0 ng\u0103n ng\u1eeba nhi\u1ec7t \u0111\u1ed9 t\u0103ng cao g\u00e2y ch\u00e1y n\u1ed5.<\/li>\n<li>B\u1ee9c x\u1ea1 nhi\u1ec7t: L\u00e0 qu\u00e1 tr\u00ecnh truy\u1ec1n nhi\u1ec7t b\u1eb1ng s\u00f3ng \u0111i\u1ec7n t\u1eeb. C\u00e1c h\u1ec7 th\u1ed1ng an to\u00e0n s\u1eed d\u1ee5ng v\u1eadt li\u1ec7u ch\u1ed1ng ch\u1ecbu b\u1ee9c x\u1ea1 nhi\u1ec7t \u0111\u1ec3 b\u1ea3o v\u1ec7 khu v\u1ef1c d\u1ec5 ch\u00e1y.<\/li>\n<\/ul>\n<h2>\u1ee8ng d\u1ee5ng chuy\u1ec3n nhi\u1ec7t trong k\u1ef9 thu\u1eadt an to\u00e0n ch\u00e1y n\u1ed5<\/h2>\n<ol>\n<li>T\u01b0\u1eddng ch\u1ed1ng ch\u00e1y v\u00e0 v\u1eadt li\u1ec7u c\u00e1ch nhi\u1ec7t: S\u1eed d\u1ee5ng v\u1eadt li\u1ec7u d\u1eabn nhi\u1ec7t th\u1ea5p nh\u01b0 g\u1ea1ch ch\u1ecbu l\u1eeda v\u00e0 b\u00f4ng th\u1ee7y tinh \u0111\u1ec3 x\u00e2y d\u1ef1ng c\u00e1c t\u01b0\u1eddng ng\u0103n ch\u00e1y, ng\u0103n ch\u1eb7n s\u1ef1 lan truy\u1ec1n nhi\u1ec7t v\u00e0 l\u1eeda.<\/li>\n<li>H\u1ec7 th\u1ed1ng l\u00e0m m\u00e1t v\u00e0 th\u00f4ng gi\u00f3: Thi\u1ebft k\u1ebf c\u00e1c h\u1ec7 th\u1ed1ng n\u00e0y \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o nhi\u1ec7t \u0111\u1ed9 kh\u00f4ng v\u01b0\u1ee3t qu\u00e1 m\u1ee9c an to\u00e0n, gi\u1ea3m nguy c\u01a1 x\u1ea3y ra ch\u00e1y n\u1ed5.<\/li>\n<li>C\u00e1c thi\u1ebft b\u1ecb ch\u1ed1ng ch\u00e1y: S\u1eed d\u1ee5ng b\u1ec1 m\u1eb7t c\u00e1ch nhi\u1ec7t v\u00e0 l\u1edbp ph\u1ee7 ch\u1ed1ng ch\u00e1y \u0111\u1ec3 b\u1ea3o v\u1ec7 c\u00e1c thi\u1ebft b\u1ecb v\u00e0 c\u00f4ng tr\u00ecnh quan tr\u1ecdng.<\/li>\n<li>Thi\u1ebft k\u1ebf tho\u00e1t hi\u1ec3m: Xem x\u00e9t vi\u1ec7c t\u1ed1i \u01b0u h\u00f3a lu\u1ed3ng kh\u00ed v\u00e0 nhi\u1ec7t trong c\u00e1c l\u1ed1i tho\u00e1t hi\u1ec3m \u0111\u1ec3 gi\u1ea3m thi\u1ec3u nguy c\u01a1 n\u00f3ng l\u00ean v\u00e0 gi\u1ea3i tho\u00e1t ng\u01b0\u1eddi kh\u1ecfi khu v\u1ef1c nguy hi\u1ec3m nhanh ch\u00f3ng.<\/li>\n<\/ol>\n<h2>L\u1ee3i \u00edch c\u1ee7a vi\u1ec7c n\u1eafm v\u1eefng chuy\u1ec3n nhi\u1ec7t<\/h2>\n<p>Hi\u1ec3u r\u00f5 v\u1ec1 c\u00e1c ph\u01b0\u01a1ng th\u1ee9c chuy\u1ec3n nhi\u1ec7t v\u00e0 c\u00e1ch \u00e1p d\u1ee5ng ch\u00fang v\u00e0o k\u1ef9 thu\u1eadt an to\u00e0n ch\u00e1y n\u1ed5 gi\u00fap:<\/p>\n<ul>\n<li>B\u1ea3o v\u1ec7 t\u00ednh m\u1ea1ng con ng\u01b0\u1eddi v\u00e0 t\u00e0i s\u1ea3n.<\/li>\n<li>N\u00e2ng cao hi\u1ec7u qu\u1ea3 c\u1ee7a h\u1ec7 th\u1ed1ng ph\u00f2ng ch\u00e1y ch\u1eefa ch\u00e1y.<\/li>\n<li>Gi\u1ea3m thi\u1ec3u r\u1ee7i ro v\u00e0 t\u1ed5n th\u1ea5t do ch\u00e1y n\u1ed5 g\u00e2y ra.<\/li>\n<\/ul>\n<p>Qua \u0111\u00f3, vi\u1ec7c nghi\u00ean c\u1ee9u v\u00e0 \u1ee9ng d\u1ee5ng k\u1ef9 thu\u1eadt chuy\u1ec3n nhi\u1ec7t trong an to\u00e0n ch\u00e1y n\u1ed5 l\u00e0 h\u1ebft s\u1ee9c quan tr\u1ecdng, nh\u1eb1m \u0111\u1ea3m b\u1ea3o m\u1ed9t m\u00f4i tr\u01b0\u1eddng s\u1ed1ng v\u00e0 l\u00e0m vi\u1ec7c an to\u00e0n cho m\u1ecdi ng\u01b0\u1eddi.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Chuy\u1ec3n nhi\u1ec7t trong k\u1ef9 thu\u1eadt an to\u00e0n ch\u00e1y n\u1ed5: Gi\u1edbi thi\u1ec7u nguy\u00ean l\u00fd c\u01a1 b\u1ea3n v\u00e0 \u1ee9ng d\u1ee5ng th\u1ef1c t\u1ebf, \u0111\u1ea3m b\u1ea3o hi\u1ec7u qu\u1ea3 an to\u00e0n v\u00e0 ph\u00f2ng ch\u1ed1ng ch\u00e1y n\u1ed5.<\/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>Chuy\u1ec3n nhi\u1ec7t trong k\u1ef9 thu\u1eadt an to\u00e0n ch\u00e1y n\u1ed5<\/title>\n<meta name=\"description\" content=\"Chuy\u1ec3n nhi\u1ec7t trong k\u1ef9 thu\u1eadt an to\u00e0n ch\u00e1y n\u1ed5: Gi\u1edbi thi\u1ec7u nguy\u00ean l\u00fd c\u01a1 b\u1ea3n v\u00e0 \u1ee9ng d\u1ee5ng th\u1ef1c t\u1ebf, \u0111\u1ea3m b\u1ea3o hi\u1ec7u qu\u1ea3 an to\u00e0n v\u00e0 ph\u00f2ng ch\u1ed1ng ch\u00e1y n\u1ed5.\" \/>\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\/chuyen-nhiet-trong-ky-thuat-an-toan-chay-no\/\" 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