{"id":683494,"date":"2024-09-07T19:42:16","date_gmt":"2024-09-07T18:42:16","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=683494"},"modified":"2024-09-07T19:42:16","modified_gmt":"2024-09-07T18:42:16","slug":"4-loai-buc-xa-nhiet-trong-cuoc-song-hang-ngay","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/4-loai-buc-xa-nhiet-trong-cuoc-song-hang-ngay\/","title":{"rendered":"4 Lo\u1ea1i B\u1ee9c X\u1ea1 Nhi\u1ec7t Trong Cu\u1ed9c S\u1ed1ng H\u00e0ng Ng\u00e0y"},"content":{"rendered":"<p class=\"sidekick\">B\u00e0i vi\u1ebft &#8220;4 Lo\u1ea1i B\u1ee9c X\u1ea1 Nhi\u1ec7t Trong Cu\u1ed9c S\u1ed1ng H\u00e0ng Ng\u00e0y&#8221; gi\u1ea3i th\u00edch r\u00f5 r\u00e0ng v\u00e0 d\u1ec5 hi\u1ec3u c\u00e1ch c\u00e1c lo\u1ea1i b\u1ee9c x\u1ea1 nhi\u1ec7t \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn cu\u1ed9c s\u1ed1ng th\u01b0\u1eddng nh\u1eadt c\u1ee7a b\u1ea1n.<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/4_loai_buc_xa_nhiet_trong_cuoc_song_hang_ngay.png\" alt=\"4 Lo\u1ea1i B\u1ee9c X\u1ea1 Nhi\u1ec7t Trong Cu\u1ed9c S\u1ed1ng H\u00e0ng Ng\u00e0y\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>4 Lo\u1ea1i B\u1ee9c X\u1ea1 Nhi\u1ec7t Trong Cu\u1ed9c S\u1ed1ng H\u00e0ng Ng\u00e0y<\/h2>\n<p>B\u1ee9c x\u1ea1 nhi\u1ec7t l\u00e0 qu\u00e1 tr\u00ecnh truy\u1ec1n nhi\u1ec7t d\u01b0\u1edbi d\u1ea1ng s\u00f3ng \u0111i\u1ec7n t\u1eeb. \u0110\u00e2y l\u00e0 m\u1ed9t hi\u1ec7n t\u01b0\u1ee3ng ph\u1ed5 bi\u1ebfn trong cu\u1ed9c s\u1ed1ng h\u00e0ng ng\u00e0y v\u00e0 c\u00f3 nhi\u1ec1u \u1ee9ng d\u1ee5ng th\u1ef1c t\u1ebf. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 b\u1ed1n lo\u1ea1i b\u1ee9c x\u1ea1 nhi\u1ec7t ph\u1ed5 bi\u1ebfn m\u00e0 ch\u00fang ta g\u1eb7p h\u1eb1ng ng\u00e0y:<\/p>\n<ul>\n<li><strong>\u00c1nh s\u00e1ng m\u1eb7t tr\u1eddi:<\/strong> M\u1eb7t tr\u1eddi l\u00e0 ngu\u1ed3n cung c\u1ea5p n\u0103ng l\u01b0\u1ee3ng ch\u00ednh cho Tr\u00e1i \u0110\u1ea5t. \u00c1nh s\u00e1ng m\u1eb7t tr\u1eddi ch\u1ee9a c\u00e1c b\u1ee9c x\u1ea1 nhi\u1ec7t d\u01b0\u1edbi d\u1ea1ng tia t\u1eed ngo\u1ea1i (UV), \u00e1nh s\u00e1ng nh\u00ecn th\u1ea5y v\u00e0 tia h\u1ed3ng ngo\u1ea1i (IR). Khi \u00e1nh s\u00e1ng m\u1eb7t tr\u1eddi chi\u1ebfu xu\u1ed1ng b\u1ec1 m\u1eb7t Tr\u00e1i \u0110\u1ea5t, n\u00f3 l\u00e0m \u1ea5m kh\u00f4ng kh\u00ed v\u00e0 b\u1ec1 m\u1eb7t \u0111\u1ea5t. \u0110\u00e2y l\u00e0 m\u1ed9t qu\u00e1 tr\u00ecnh quan tr\u1ecdng trong c\u00e2n b\u1eb1ng nhi\u1ec7t l\u01b0\u1ee3ng c\u1ee7a h\u00e0nh tinh.<\/li>\n<li><strong>B\u1ebfp n\u1ea5u \u0103n:<\/strong> Khi ch\u00fang ta n\u1ea5u \u0103n tr\u00ean b\u1ebfp, \u0111\u1eb7c bi\u1ec7t l\u00e0 b\u1ebfp gas ho\u1eb7c b\u1ebfp t\u1eeb, nhi\u1ec7t \u0111\u01b0\u1ee3c truy\u1ec1n t\u1eeb b\u1ebfp \u0111\u1ebfn n\u1ed3i n\u1ea5u th\u00f4ng qua b\u1ee9c x\u1ea1 nhi\u1ec7t. \u0110i\u1ec1u n\u00e0y gi\u00fap l\u00e0m n\u00f3ng th\u1ee9c \u0103n m\u1ed9t c\u00e1ch nhanh ch\u00f3ng v\u00e0 hi\u1ec7u qu\u1ea3.<\/li>\n<li><strong>L\u00f2 s\u01b0\u1edfi:<\/strong> L\u00f2 s\u01b0\u1edfi ho\u1eb7c l\u00f2 n\u01b0\u1edbng s\u1eed d\u1ee5ng nguy\u00ean l\u00fd b\u1ee9c x\u1ea1 nhi\u1ec7t \u0111\u1ec3 l\u00e0m n\u00f3ng kh\u00f4ng gian xung quanh. Khi l\u00f2 s\u01b0\u1edfi ho\u1ea1t \u0111\u1ed9ng, c\u00e1c t\u1ea5m ch\u1eafn n\u1ed9i b\u1ed9 ho\u1eb7c c\u00e1c ph\u1ea7n t\u1eed l\u00e0m n\u00f3ng chuy\u1ec3n \u0111\u1ed5i \u0111i\u1ec7n n\u0103ng th\u00e0nh nhi\u1ec7t n\u0103ng v\u00e0 truy\u1ec1n nhi\u1ec7t d\u01b0\u1edbi d\u1ea1ng b\u1ee9c x\u1ea1 t\u1edbi c\u00e1c v\u1eadt th\u1ec3 xung quanh.<\/li>\n<li><strong>Thi\u1ebft b\u1ecb \u0111i\u1ec7n gia d\u1ee5ng:<\/strong> Nhi\u1ec1u thi\u1ebft b\u1ecb \u0111i\u1ec7n gia d\u1ee5ng ho\u1ea1t \u0111\u1ed9ng d\u1ef1a tr\u00ean nguy\u00ean l\u00fd b\u1ee9c x\u1ea1 nhi\u1ec7t. V\u00ed d\u1ee5, \u0111\u00e8n s\u01b0\u1edfi, m\u00e1y s\u1ea5y t\u00f3c v\u00e0 \u0111\u00e8n s\u01b0\u1edfi ph\u00f2ng t\u1eafm \u0111\u1ec1u s\u1eed d\u1ee5ng b\u1ee9c x\u1ea1 nhi\u1ec7t \u0111\u1ec3 cung c\u1ea5p nhi\u1ec7t l\u01b0\u1ee3ng c\u1ea7n thi\u1ebft cho m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng kh\u00e1c nhau.<\/li>\n<\/ul>\n<h2>C\u00e1ch T\u00ednh N\u0103ng L\u01b0\u1ee3ng B\u1ee9c X\u1ea1<\/h2>\n<p>N\u0103ng l\u01b0\u1ee3ng b\u1ee9c x\u1ea1 nhi\u1ec7t ph\u00e1t ra t\u1eeb m\u1ed9t v\u1eadt c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u00ednh b\u1eb1ng c\u00f4ng th\u1ee9c c\u1ee7a \u0110\u1ecbnh lu\u1eadt Stefan-Boltzmann:<\/p>\n<p><strong>E = \\sigma * A * T^4<\/strong><\/p>\n<p>Trong \u0111\u00f3:<\/p>\n<ul>\n<li><strong>E<\/strong> l\u00e0 n\u0103ng l\u01b0\u1ee3ng b\u1ee9c x\u1ea1 (W)<\/li>\n<li><strong>\\sigma<\/strong> l\u00e0 h\u1eb1ng s\u1ed1 Stefan-Boltzmann (5.67 * 10^-8 W\/m^2K^4)<\/li>\n<li><strong>A<\/strong> l\u00e0 di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t v\u1eadt ph\u00e1t ra b\u1ee9c x\u1ea1 (m^2)<\/li>\n<li><strong>T<\/strong> l\u00e0 nhi\u1ec7t \u0111\u1ed9 tuy\u1ec7t \u0111\u1ed1i c\u1ee7a v\u1eadt ph\u00e1t ra b\u1ee9c x\u1ea1 (K)<\/li>\n<\/ul>\n<p>B\u1ee9c x\u1ea1 nhi\u1ec7t \u0111\u00f3ng m\u1ed9t vai tr\u00f2 quan tr\u1ecdng trong cu\u1ed9c s\u1ed1ng h\u00e0ng ng\u00e0y v\u00e0 trong c\u00e1c \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p. Hi\u1ec3u r\u00f5 v\u1ec1 c\u00e1c lo\u1ea1i b\u1ee9c x\u1ea1 nhi\u1ec7t v\u00e0 c\u00e1ch ch\u00fang ho\u1ea1t \u0111\u1ed9ng gi\u00fap ch\u00fang ta c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng n\u0103ng l\u01b0\u1ee3ng m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3 v\u00e0 ti\u1ebft ki\u1ec7m. <\/p>\n","protected":false},"excerpt":{"rendered":"<p>B\u00e0i vi\u1ebft &#8220;4 Lo\u1ea1i B\u1ee9c X\u1ea1 Nhi\u1ec7t Trong Cu\u1ed9c S\u1ed1ng H\u00e0ng Ng\u00e0y&#8221; gi\u1ea3i th\u00edch r\u00f5 r\u00e0ng v\u00e0 d\u1ec5 hi\u1ec3u c\u00e1ch c\u00e1c lo\u1ea1i b\u1ee9c x\u1ea1 nhi\u1ec7t \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn cu\u1ed9c s\u1ed1ng th\u01b0\u1eddng nh\u1eadt c\u1ee7a 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\/ 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