{"id":678264,"date":"2024-07-19T19:00:55","date_gmt":"2024-07-19T18:00:55","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=678264"},"modified":"2024-07-19T19:00:55","modified_gmt":"2024-07-19T18:00:55","slug":"cach-hoat-dong-cua-khe-co-gian-nhiet-tren-cau","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/cach-hoat-dong-cua-khe-co-gian-nhiet-tren-cau\/","title":{"rendered":"C\u00e1ch ho\u1ea1t \u0111\u1ed9ng c\u1ee7a khe co gi\u00e3n nhi\u1ec7t tr\u00ean c\u1ea7u"},"content":{"rendered":"<p class=\"sidekick\">Khe co gi\u00e3n nhi\u1ec7t tr\u00ean c\u1ea7u gi\u00fap h\u1ea5p th\u1ee5 s\u1ef1 gi\u00e3n n\u1edf v\u00e0 co r\u00fat c\u1ee7a v\u1eadt li\u1ec7u do nhi\u1ec7t \u0111\u1ed9 thay \u0111\u1ed5i, b\u1ea3o \u0111\u1ea3m an to\u00e0n v\u00e0 \u1ed5n \u0111\u1ecbnh c\u1ee7a c\u1ea5u tr\u00fac c\u1ea7u.<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/cach_hoat_dong_cua_khe_co_gian_nhiet_tren_cau.png\" alt=\"C\u00e1ch ho\u1ea1t \u0111\u1ed9ng c\u1ee7a khe co gi\u00e3n nhi\u1ec7t tr\u00ean c\u1ea7u\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>C\u00e1ch ho\u1ea1t \u0111\u1ed9ng c\u1ee7a khe co gi\u00e3n nhi\u1ec7t tr\u00ean c\u1ea7u<\/h2>\n<p>Trong ng\u00e0nh k\u1ef9 thu\u1eadt nhi\u1ec7t, khe co gi\u00e3n nhi\u1ec7t l\u00e0 m\u1ed9t th\u00e0nh ph\u1ea7n quan tr\u1ecdng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c c\u1ea5u tr\u00fac l\u1edbn nh\u01b0 c\u1ea7u \u0111\u1ec3 ch\u1ed1ng l\u1ea1i s\u1ef1 gi\u00e3n n\u1edf v\u00e0 co ng\u00f3t do thay \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9. Hi\u1ec3u r\u00f5 c\u00e1ch ho\u1ea1t \u0111\u1ed9ng c\u1ee7a khe co gi\u00e3n nhi\u1ec7t gi\u00fap ch\u00fang ta \u0111\u1ea3m b\u1ea3o an to\u00e0n v\u00e0 \u0111\u1ed9 b\u1ec1n c\u1ee7a c\u00e1c c\u00f4ng tr\u00ecnh x\u00e2y d\u1ef1ng.<\/p>\n<h2>Khe co gi\u00e3n nhi\u1ec7t l\u00e0 g\u00ec?<\/h2>\n<p>Khe co gi\u00e3n nhi\u1ec7t l\u00e0 nh\u1eefng kho\u1ea3ng tr\u1ed1ng ho\u1eb7c khe h\u1edf \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf s\u1eb5n tr\u00ean c\u00e1c c\u1ea5u tr\u00fac x\u00e2y d\u1ef1ng, cho ph\u00e9p c\u00e1c ph\u1ea7n c\u1ee7a c\u1ea5u tr\u00fac \u0111\u01b0\u1ee3c t\u1ef1 do m\u1edf r\u1ed9ng ho\u1eb7c co l\u1ea1i m\u00e0 kh\u00f4ng g\u00e2y ra h\u01b0 h\u1ecfng. Tr\u00ean c\u1ea7u, c\u00e1c khe n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c b\u1ed1 tr\u00ed t\u1ea1i nh\u1eefng \u0111i\u1ec3m c\u1ed1 \u0111\u1ecbnh \u0111\u1ec3 qu\u1ea3n l\u00fd s\u1ef1 gi\u00e3n n\u1edf v\u00e0 co ng\u00f3t c\u1ee7a v\u1eadt li\u1ec7u d\u01b0\u1edbi \u1ea3nh h\u01b0\u1edfng c\u1ee7a nhi\u1ec7t \u0111\u1ed9.<\/p>\n<h2>C\u01a1 ch\u1ebf ho\u1ea1t \u0111\u1ed9ng c\u1ee7a khe co gi\u00e3n nhi\u1ec7t<\/h2>\n<p>Khe co gi\u00e3n nhi\u1ec7t ho\u1ea1t \u0111\u1ed9ng d\u1ef1a tr\u00ean nguy\u00ean l\u00fd gi\u00e3n n\u1edf nhi\u1ec7t. Khi nhi\u1ec7t \u0111\u1ed9 t\u0103ng, c\u00e1c v\u1eadt li\u1ec7u x\u00e2y d\u1ef1ng nh\u01b0 th\u00e9p v\u00e0 b\u00ea t\u00f4ng s\u1ebd m\u1edf r\u1ed9ng. Ng\u01b0\u1ee3c l\u1ea1i, khi nhi\u1ec7t \u0111\u1ed9 gi\u1ea3m, ch\u00fang s\u1ebd co l\u1ea1i. N\u1ebfu kh\u00f4ng c\u00f3 khe co gi\u00e3n, s\u1ef1 gi\u00e3n n\u1edf v\u00e0 co ng\u00f3t n\u00e0y c\u00f3 th\u1ec3 g\u00e2y ra c\u00e1c v\u1ebft n\u1ee9t ho\u1eb7c th\u1eadm ch\u00ed l\u00e0 h\u01b0 h\u1ecfng nghi\u00eam tr\u1ecdng cho k\u1ebft c\u1ea5u.<\/p>\n<ul>\n<li><b>S\u1ef1 gi\u00e3n n\u1edf v\u1eadt li\u1ec7u:<\/b> Khi c\u1ea7u b\u1ecb ph\u01a1i n\u1eafng, nhi\u1ec7t \u0111\u1ed9 c\u00e1c b\u1ed9 ph\u1eadn c\u1ea7u t\u0103ng l\u00ean, d\u1eabn \u0111\u1ebfn vi\u1ec7c c\u00e1c b\u1ed9 ph\u1eadn n\u00e0y m\u1edf r\u1ed9ng.<\/li>\n<li><b>S\u1ef1 co ng\u00f3t v\u1eadt li\u1ec7u:<\/b> V\u00e0o ban \u0111\u00eam ho\u1eb7c khi th\u1eddi ti\u1ebft l\u1ea1nh, c\u00e1c b\u1ed9 ph\u1eadn n\u00e0y s\u1ebd co l\u1ea1i do nhi\u1ec7t \u0111\u1ed9 gi\u1ea3m.<\/li>\n<\/ul>\n<h2>Thi\u1ebft k\u1ebf v\u00e0 l\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u cho khe co gi\u00e3n<\/h2>\n<p>Khe co gi\u00e3n nhi\u1ec7t tr\u00ean c\u1ea7u \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf sao cho c\u00e1c b\u1ed9 ph\u1eadn c\u1ee7a c\u1ea7u c\u00f3 th\u1ec3 di chuy\u1ec3n t\u1ef1 do nh\u01b0ng v\u1eabn \u0111\u1ea3m b\u1ea3o an to\u00e0n. V\u1eadt li\u1ec7u l\u00e0m khe co gi\u00e3n th\u01b0\u1eddng l\u00e0 cao su, th\u00e9p kh\u00f4ng g\u1ec9 ho\u1eb7c c\u00e1c v\u1eadt li\u1ec7u c\u00f3 \u0111\u1ed9 \u0111\u00e0n h\u1ed3i cao, nh\u1eb1m h\u1ea5p th\u1ee5 c\u00e1c bi\u1ebfn d\u1ea1ng m\u00e0 kh\u00f4ng b\u1ecb h\u01b0 h\u1ecfng.<\/p>\n<ol>\n<li><b>Cao su:<\/b> \u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng nh\u1edd v\u00e0o t\u00ednh \u0111\u00e0n h\u1ed3i cao, cho ph\u00e9p c\u01b0\u1eddng \u0111\u1ed9 gi\u00e3n n\u1edf v\u00e0 co ng\u00f3t l\u1edbn m\u00e0 kh\u00f4ng g\u00e2y ra n\u1ee9t n\u1ebb.<\/li>\n<li><b>Th\u00e9p kh\u00f4ng g\u1ec9:<\/b> V\u1eadt li\u1ec7u n\u00e0y b\u1ec1n b\u1ec9 v\u00e0 c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n cao, th\u00edch h\u1ee3p cho c\u00e1c k\u1ebft c\u1ea5u l\u1edbn v\u00e0 n\u1eb7ng.<\/li>\n<\/ol>\n<h2>T\u1ea7m quan tr\u1ecdng c\u1ee7a khe co gi\u00e3n nhi\u1ec7t<\/h2>\n<p>Khe co gi\u00e3n nhi\u1ec7t gi\u00fap c\u1ea7u c\u00f3 th\u1ec3 &#8220;h\u00edt th\u1edf&#8221; v\u00e0 \u0111i\u1ec1u ch\u1ec9nh theo nh\u1eefng thay \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9 m\u00e0 kh\u00f4ng b\u1ecb h\u01b0 h\u1ecfng. \u0110i\u1ec1u n\u00e0y kh\u00f4ng ch\u1ec9 gi\u00fap k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd c\u1ee7a c\u1ea7u m\u00e0 c\u00f2n \u0111\u1ea3m b\u1ea3o an to\u00e0n cho ng\u01b0\u1eddi s\u1eed d\u1ee5ng.<\/p>\n<p><b>K\u1ebft lu\u1eadn:<\/b> Nh\u1edd c\u00f3 khe co gi\u00e3n nhi\u1ec7t, c\u00e1c k\u1ef9 s\u01b0 c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng nh\u1eefng c\u00f4ng tr\u00ecnh x\u00e2y d\u1ef1ng l\u1edbn nh\u01b0 c\u1ea7u s\u1ebd b\u1ec1n b\u1ec9 v\u00e0 an to\u00e0n h\u01a1n tr\u01b0\u1edbc s\u1ef1 bi\u1ebfn \u0111\u1ed5i c\u1ee7a th\u1eddi ti\u1ebft v\u00e0 nhi\u1ec7t \u0111\u1ed9.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Khe co gi\u00e3n nhi\u1ec7t tr\u00ean c\u1ea7u gi\u00fap h\u1ea5p th\u1ee5 s\u1ef1 gi\u00e3n n\u1edf v\u00e0 co r\u00fat c\u1ee7a v\u1eadt li\u1ec7u do nhi\u1ec7t \u0111\u1ed9 thay \u0111\u1ed5i, b\u1ea3o \u0111\u1ea3m an to\u00e0n v\u00e0 \u1ed5n \u0111\u1ecbnh c\u1ee7a c\u1ea5u tr\u00fac c\u1ea7u.<\/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 ho\u1ea1t \u0111\u1ed9ng c\u1ee7a khe co gi\u00e3n nhi\u1ec7t tr\u00ean c\u1ea7u<\/title>\n<meta name=\"description\" content=\"Khe co gi\u00e3n nhi\u1ec7t tr\u00ean c\u1ea7u gi\u00fap h\u1ea5p th\u1ee5 s\u1ef1 gi\u00e3n n\u1edf v\u00e0 co r\u00fat c\u1ee7a v\u1eadt li\u1ec7u do nhi\u1ec7t \u0111\u1ed9 thay \u0111\u1ed5i, b\u1ea3o \u0111\u1ea3m an to\u00e0n v\u00e0 \u1ed5n \u0111\u1ecbnh c\u1ee7a c\u1ea5u tr\u00fac c\u1ea7u.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link 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