{"id":677846,"date":"2024-10-28T03:41:25","date_gmt":"2024-10-28T02:41:25","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=677846"},"modified":"2024-10-28T03:41:25","modified_gmt":"2024-10-28T02:41:25","slug":"ung-dung-hinh-anh-nhiet-trong-cai-tien-nang-luong","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/ung-dung-hinh-anh-nhiet-trong-cai-tien-nang-luong\/","title":{"rendered":"\u1ee8ng d\u1ee5ng h\u00ecnh \u1ea3nh nhi\u1ec7t trong c\u1ea3i ti\u1ebfn n\u0103ng l\u01b0\u1ee3ng"},"content":{"rendered":"<p class=\"sidekick\">\u1ee8ng d\u1ee5ng h\u00ecnh \u1ea3nh nhi\u1ec7t gi\u00fap c\u1ea3i ti\u1ebfn hi\u1ec7u su\u1ea5t n\u0103ng l\u01b0\u1ee3ng b\u1eb1ng c\u00e1ch ph\u00e1t hi\u1ec7n s\u1ef1 c\u1ed1 nhi\u1ec7t, t\u1ed1i \u01b0u h\u00f3a h\u1ec7 th\u1ed1ng v\u00e0 gi\u1ea3m ti\u00eau th\u1ee5 \u0111i\u1ec7n n\u0103ng.<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/ung_dung_hinh_anh_nhiet_trong_cai_tien_nang_luong.png\" alt=\"\u1ee8ng d\u1ee5ng h\u00ecnh \u1ea3nh nhi\u1ec7t trong c\u1ea3i ti\u1ebfn n\u0103ng l\u01b0\u1ee3ng\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>\u1ee8ng d\u1ee5ng h\u00ecnh \u1ea3nh nhi\u1ec7t trong c\u1ea3i ti\u1ebfn n\u0103ng l\u01b0\u1ee3ng<\/h2>\n<p>H\u00ecnh \u1ea3nh nhi\u1ec7t l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 m\u1ea1nh m\u1ebd trong l\u0129nh v\u1ef1c k\u1ef9 thu\u1eadt nhi\u1ec7t \u0111\u1ec3 theo d\u00f5i v\u00e0 c\u1ea3i ti\u1ebfn hi\u1ec7u qu\u1ea3 n\u0103ng l\u01b0\u1ee3ng. K\u1ef9 thu\u1eadt n\u00e0y s\u1eed d\u1ee5ng m\u00e1y \u1ea3nh nhi\u1ec7t \u0111\u1ec3 ph\u00e1t hi\u1ec7n b\u1ee9c x\u1ea1 h\u1ed3ng ngo\u1ea1i v\u00e0 t\u1ea1o ra h\u00ecnh \u1ea3nh th\u1ec3 hi\u1ec7n nhi\u1ec7t \u0111\u1ed9 c\u1ee7a c\u00e1c b\u1ec1 m\u1eb7t kh\u00e1c nhau. \u1ee8ng d\u1ee5ng c\u1ee7a h\u00ecnh \u1ea3nh nhi\u1ec7t \u0111\u00e3 tr\u1edf n\u00ean ph\u1ed5 bi\u1ebfn trong nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p, t\u1eeb x\u00e2y d\u1ef1ng \u0111\u1ebfn s\u1ea3n xu\u1ea5t, nh\u1edd kh\u1ea3 n\u0103ng ph\u00e1t hi\u1ec7n c\u00e1c v\u1ea5n \u0111\u1ec1 li\u00ean quan \u0111\u1ebfn n\u0103ng l\u01b0\u1ee3ng m\u1ed9t c\u00e1ch nhanh ch\u00f3ng v\u00e0 hi\u1ec7u qu\u1ea3.<\/p>\n<h2>Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng<\/h2>\n<p>M\u1ed7i v\u1eadt th\u1ec3 c\u00f3 nhi\u1ec7t \u0111\u1ed9 tr\u00ean 0 K (\u0111\u1ed9 Kelvin) \u0111\u1ec1u ph\u00e1t ra b\u1ee9c x\u1ea1 h\u1ed3ng ngo\u1ea1i. M\u00e1y \u1ea3nh nhi\u1ec7t thu nh\u1eadn b\u1ee9c x\u1ea1 n\u00e0y v\u00e0 chuy\u1ec3n \u0111\u1ed5i n\u00f3 th\u00e0nh h\u00ecnh \u1ea3nh nhi\u1ec7t, trong \u0111\u00f3 c\u00e1c m\u00e0u s\u1eafc kh\u00e1c nhau bi\u1ec3u th\u1ecb c\u00e1c m\u1ee9c nhi\u1ec7t \u0111\u1ed9 kh\u00e1c nhau. C\u00f4ng th\u1ee9c \u0111\u01a1n gi\u1ea3n \u0111\u1ec3 hi\u1ec3u m\u1ed1i quan h\u1ec7 gi\u1eefa nhi\u1ec7t \u0111\u1ed9 v\u00e0 b\u1ee9c x\u1ea1 l\u00e0 Lu\u1eadt Stefan-Boltzmann:<\/p>\n<p>\n    <i>P = \\sigma T^4 <\/i>\n<\/p>\n<p>Trong \u0111\u00f3:<\/p>\n<ul>\n<li><i>P<\/i> l\u00e0 n\u0103ng l\u01b0\u1ee3ng b\u1ee9c x\u1ea1<\/li>\n<li><i>\\sigma<\/i> l\u00e0 h\u1eb1ng s\u1ed1 Stefan-Boltzmann<\/li>\n<li><i>T<\/i> l\u00e0 nhi\u1ec7t \u0111\u1ed9 tuy\u1ec7t \u0111\u1ed1i (\u0111o b\u1eb1ng Kelvin)<\/li>\n<\/ul>\n<h2>\u1ee8ng d\u1ee5ng trong ki\u1ec3m tra t\u00f2a nh\u00e0<\/h2>\n<p>Trong ng\u00e0nh x\u00e2y d\u1ef1ng, h\u00ecnh \u1ea3nh nhi\u1ec7t \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ki\u1ec3m tra c\u00e1c t\u00f2a nh\u00e0 nh\u1eb1m ph\u00e1t hi\u1ec7n c\u00e1c khu v\u1ef1c m\u1ea5t nhi\u1ec7t kh\u00f4ng mong mu\u1ed1n, t\u1eeb \u0111\u00f3 gi\u00fap c\u1ea3i thi\u1ec7n c\u00e1ch nhi\u1ec7t v\u00e0 ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng. C\u00e1c k\u1ef9 s\u01b0 nhi\u1ec7t c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng x\u00e1c \u0111\u1ecbnh c\u00e1c v\u1ea5n \u0111\u1ec1 nh\u01b0:<\/p>\n<ul>\n<li>Khe h\u1edf kh\u00f4ng kh\u00ed t\u1ea1i c\u1eeda s\u1ed5 v\u00e0 c\u1eeda ra v\u00e0o<\/li>\n<li>Khu v\u1ef1c t\u01b0\u1eddng c\u00f3 c\u00e1ch nhi\u1ec7t k\u00e9m<\/li>\n<li>H\u1ec7 th\u1ed1ng HVAC ho\u1ea1t \u0111\u1ed9ng kh\u00f4ng hi\u1ec7u qu\u1ea3<\/li>\n<\/ul>\n<h2>\u1ee8ng d\u1ee5ng trong c\u00f4ng nghi\u1ec7p<\/h2>\n<p>Trong l\u0129nh v\u1ef1c s\u1ea3n xu\u1ea5t c\u00f4ng nghi\u1ec7p, h\u00ecnh \u1ea3nh nhi\u1ec7t gi\u00fap ph\u00e1t hi\u1ec7n s\u1edbm c\u00e1c h\u01b0 h\u1ecfng ho\u1eb7c v\u1ea5n \u0111\u1ec1 v\u1ec1 nhi\u1ec7t \u0111\u1ed9 trong m\u00e1y m\u00f3c v\u00e0 thi\u1ebft b\u1ecb, gi\u00fap gi\u1ea3m thi\u1ec3u th\u1eddi gian ng\u1eebng ho\u1ea1t \u0111\u1ed9ng v\u00e0 chi ph\u00ed s\u1eeda ch\u1eefa. C\u00e1c \u1ee9ng d\u1ee5ng ph\u1ed5 bi\u1ebfn bao g\u1ed3m:<\/p>\n<ul>\n<li>Ki\u1ec3m tra h\u1ec7 th\u1ed1ng \u0111i\u1ec7n<\/li>\n<li>Gi\u00e1m s\u00e1t nhi\u1ec7t \u0111\u1ed9 m\u00e1y m\u00f3c<\/li>\n<li>Ph\u00e2n t\u00edch hi\u1ec7u qu\u1ea3 nhi\u1ec7t \u0111\u1ed9 c\u1ee7a qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t<\/li>\n<\/ul>\n<h2>L\u1ee3i \u00edch c\u1ee7a h\u00ecnh \u1ea3nh nhi\u1ec7t<\/h2>\n<p>Vi\u1ec7c s\u1eed d\u1ee5ng h\u00ecnh \u1ea3nh nhi\u1ec7t trong c\u1ea3i ti\u1ebfn n\u0103ng l\u01b0\u1ee3ng mang l\u1ea1i nhi\u1ec1u l\u1ee3i \u00edch r\u00f5 r\u1ec7t:<\/p>\n<ol>\n<li>Ph\u00e1t hi\u1ec7n s\u1edbm c\u00e1c v\u1ea5n \u0111\u1ec1 ti\u1ec1m \u1ea9n, gi\u00fap ng\u0103n ch\u1eb7n s\u1ef1 c\u1ed1 nghi\u00eam tr\u1ecdng.<\/li>\n<li>Gi\u1ea3m chi ph\u00ed n\u0103ng l\u01b0\u1ee3ng b\u1eb1ng c\u00e1ch t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u qu\u1ea3 nhi\u1ec7t.<\/li>\n<li>T\u0103ng c\u01b0\u1eddng an to\u00e0n b\u1eb1ng c\u00e1ch x\u00e1c \u0111\u1ecbnh v\u00e0 kh\u1eafc ph\u1ee5c c\u00e1c \u0111i\u1ec3m n\u00f3ng nguy hi\u1ec3m.<\/li>\n<li>Ti\u1ebft ki\u1ec7m chi ph\u00ed b\u1ea3o tr\u00ec v\u00e0 s\u1eeda ch\u1eefa.<\/li>\n<\/ol>\n<p>H\u00ecnh \u1ea3nh nhi\u1ec7t l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 thi\u1ebft y\u1ebfu trong l\u0129nh v\u1ef1c k\u1ef9 thu\u1eadt nhi\u1ec7t, cung c\u1ea5p nh\u1eefng th\u00f4ng tin quan tr\u1ecdng \u0111\u1ec3 c\u1ea3i thi\u1ec7n hi\u1ec7u qu\u1ea3 n\u0103ng l\u01b0\u1ee3ng v\u00e0 gi\u1ea3m chi ph\u00ed trong nhi\u1ec1u lo\u1ea1i h\u00ecnh c\u00f4ng nghi\u1ec7p. V\u1edbi s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a c\u00f4ng ngh\u1ec7, \u1ee9ng d\u1ee5ng h\u00ecnh \u1ea3nh nhi\u1ec7t h\u1ee9a h\u1eb9n s\u1ebd c\u00f2n m\u1edf r\u1ed9ng v\u00e0 mang l\u1ea1i nhi\u1ec1u l\u1ee3i \u00edch h\u01a1n n\u1eefa trong t\u01b0\u01a1ng lai.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u1ee8ng d\u1ee5ng h\u00ecnh \u1ea3nh nhi\u1ec7t gi\u00fap c\u1ea3i ti\u1ebfn hi\u1ec7u su\u1ea5t n\u0103ng l\u01b0\u1ee3ng b\u1eb1ng c\u00e1ch ph\u00e1t hi\u1ec7n s\u1ef1 c\u1ed1 nhi\u1ec7t, t\u1ed1i \u01b0u h\u00f3a h\u1ec7 th\u1ed1ng v\u00e0 gi\u1ea3m ti\u00eau th\u1ee5 \u0111i\u1ec7n n\u0103ng.<\/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>\u1ee8ng d\u1ee5ng h\u00ecnh \u1ea3nh nhi\u1ec7t 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