{"id":710525,"date":"2024-09-24T23:32:17","date_gmt":"2024-09-24T22:32:17","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=710525"},"modified":"2024-09-24T23:32:17","modified_gmt":"2024-09-24T22:32:17","slug":"cach-lam-mat-bang-thay-doi-pha-kiem-soat-nhiet-do-nhu-the-nao","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/cach-lam-mat-bang-thay-doi-pha-kiem-soat-nhiet-do-nhu-the-nao\/","title":{"rendered":"C\u00e1ch l\u00e0m m\u00e1t b\u1eb1ng thay \u0111\u1ed5i pha ki\u1ec3m so\u00e1t nhi\u1ec7t \u0111\u1ed9 nh\u01b0 th\u1ebf n\u00e0o"},"content":{"rendered":"<p class=\"sidekick\">C\u00e1ch l\u00e0m m\u00e1t b\u1eb1ng thay \u0111\u1ed5i pha ki\u1ec3m so\u00e1t nhi\u1ec7t \u0111\u1ed9 hi\u1ec7u qu\u1ea3, gi\u1ea3m nhi\u1ec7t \u0111\u1ed9 m\u00e1y m\u00f3c v\u00e0 thi\u1ebft b\u1ecb b\u1eb1ng qu\u00e1 tr\u00ecnh h\u00f3a h\u01a1i v\u00e0 ng\u01b0ng t\u1ee5.<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/cach_lam_mat_bang_thay_doi_pha_kiem_soat_nhiet_do_nhu_the_nao.png\" alt=\"C\u00e1ch l\u00e0m m\u00e1t b\u1eb1ng thay \u0111\u1ed5i pha ki\u1ec3m so\u00e1t nhi\u1ec7t \u0111\u1ed9 nh\u01b0 th\u1ebf n\u00e0o\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>C\u00e1ch l\u00e0m m\u00e1t b\u1eb1ng thay \u0111\u1ed5i pha ki\u1ec3m so\u00e1t nhi\u1ec7t \u0111\u1ed9 nh\u01b0 th\u1ebf n\u00e0o<\/h2>\n<p>Trong k\u1ef9 thu\u1eadt nhi\u1ec7t, l\u00e0m m\u00e1t b\u1eb1ng thay \u0111\u1ed5i pha l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p quan tr\u1ecdng \u0111\u1ec3 ki\u1ec3m so\u00e1t nhi\u1ec7t \u0111\u1ed9. Ph\u1ea1m tr\u00f9 n\u00e0y t\u1eadp trung v\u00e0o vi\u1ec7c s\u1eed d\u1ee5ng s\u1ef1 chuy\u1ec3n \u0111\u1ed5i gi\u1eefa c\u00e1c tr\u1ea1ng th\u00e1i v\u1eadt l\u00fd kh\u00e1c nhau c\u1ee7a m\u1ed9t ch\u1ea5t \u0111\u1ec3 h\u1ea5p th\u1ee5 ho\u1eb7c gi\u1ea3i ph\u00f3ng nhi\u1ec7t. C\u00e1c tr\u1ea1ng th\u00e1i ph\u1ed5 bi\u1ebfn bao g\u1ed3m r\u1eafn, l\u1ecfng v\u00e0 kh\u00ed.<\/p>\n<h2>Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng<\/h2>\n<p>Khi m\u1ed9t ch\u1ea5t chuy\u1ec3n t\u1eeb tr\u1ea1ng th\u00e1i n\u00e0y sang tr\u1ea1ng th\u00e1i kh\u00e1c, n\u00f3 c\u00f3 th\u1ec3 h\u1ea5p th\u1ee5 ho\u1eb7c gi\u1ea3i ph\u00f3ng m\u1ed9t l\u01b0\u1ee3ng nhi\u1ec7t \u0111\u00e1ng k\u1ec3 m\u00e0 kh\u00f4ng thay \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9 c\u1ee7a ch\u00ednh n\u00f3. \u0110\u00e2y l\u00e0 l\u00fd do t\u1ea1i sao qu\u00e1 tr\u00ecnh n\u00e0y r\u1ea5t hi\u1ec7u qu\u1ea3 trong vi\u1ec7c ki\u1ec3m so\u00e1t nhi\u1ec7t \u0111\u1ed9.<\/p>\n<p><u1><\/p>\n<li><strong>N\u00f3ng ch\u1ea3y:<\/strong> Khi m\u1ed9t ch\u1ea5t chuy\u1ec3n t\u1eeb tr\u1ea1ng th\u00e1i r\u1eafn sang tr\u1ea1ng th\u00e1i l\u1ecfng, n\u00f3 h\u1ea5p th\u1ee5 m\u1ed9t l\u01b0\u1ee3ng nhi\u1ec7t \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 nhi\u1ec7t n\u00f3ng ch\u1ea3y. V\u00ed d\u1ee5, \u0111\u1ec3 \u0111\u00e1 chuy\u1ec3n th\u00e0nh n\u01b0\u1edbc, ta c\u1ea7n cung c\u1ea5p nhi\u1ec7t \u0111\u1ec3 ph\u00e1 v\u1ee1 li\u00ean k\u1ebft gi\u1eefa c\u00e1c ph\u00e2n t\u1eed trong c\u1ea5u tr\u00fac r\u1eafn.<\/li>\n<li><strong>Bay h\u01a1i:<\/strong> Khi ch\u1ea5t l\u1ecfng chuy\u1ec3n sang tr\u1ea1ng th\u00e1i kh\u00ed, qu\u00e1 tr\u00ecnh n\u00e0y g\u1ecdi l\u00e0 bay h\u01a1i, v\u00e0 nhi\u1ec7t \u0111\u01b0\u1ee3c h\u1ea5p th\u1ee5 b\u1edfi ch\u1ea5t l\u1ecfng \u0111\u00f3 l\u00e0 nhi\u1ec7t bay h\u01a1i. V\u00ed d\u1ee5, qu\u00e1 tr\u00ecnh n\u01b0\u1edbc b\u1ed1c h\u01a1i \u0111\u1ec3 tr\u1edf th\u00e0nh h\u01a1i n\u01b0\u1edbc trong qu\u00e1 tr\u00ecnh \u0111un s\u00f4i.<\/li>\n<li><strong>Ng\u01b0ng t\u1ee5:<\/strong> Khi h\u01a1i n\u01b0\u1edbc chuy\u1ec3n ng\u01b0\u1ee3c l\u1ea1i th\u00e0nh ch\u1ea5t l\u1ecfng, n\u00f3 gi\u1ea3i ph\u00f3ng nhi\u1ec7t. \u0110\u00e2y l\u00e0 qu\u00e1 tr\u00ecnh ng\u01b0ng t\u1ee5, th\u01b0\u1eddng th\u1ea5y khi h\u01a1i n\u01b0\u1edbc g\u1eb7p b\u1ec1 m\u1eb7t l\u1ea1nh v\u00e0 chuy\u1ec3n th\u00e0nh gi\u1ecdt n\u01b0\u1edbc.<\/li>\n<li><strong>\u0110\u00f4ng \u0111\u1eb7c:<\/strong> Khi ch\u1ea5t l\u1ecfng chuy\u1ec3n th\u00e0nh th\u1ec3 r\u1eafn, n\u00f3 c\u0169ng gi\u1ea3i ph\u00f3ng nhi\u1ec7t, \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 nhi\u1ec7t \u0111\u00f4ng \u0111\u1eb7c.<\/li>\n<p><\/u1><\/p>\n<h2>\u1ee8ng d\u1ee5ng trong th\u1ef1c t\u1ebf<\/h2>\n<p>L\u00e0m m\u00e1t b\u1eb1ng thay \u0111\u1ed5i pha \u0111\u00e3 \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng r\u1ed9ng r\u00e3i trong nhi\u1ec1u l\u0129nh v\u1ef1c kh\u00e1c nhau \u0111\u1ec3 ki\u1ec3m so\u00e1t nhi\u1ec7t \u0111\u1ed9 m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3 v\u00e0 ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng.<\/p>\n<p><o1><\/p>\n<li><strong>\u0110i\u1ec1u h\u00f2a kh\u00f4ng kh\u00ed:<\/strong> M\u00e1y \u0111i\u1ec1u h\u00f2a th\u01b0\u1eddng s\u1eed d\u1ee5ng m\u00f4i ch\u1ea5t l\u00e0m l\u1ea1nh nh\u01b0 Freon, R-134a, ho\u1eb7c c\u00e1c lo\u1ea1i h\u00f3a ch\u1ea5t kh\u00e1c \u0111\u1ec3 l\u00e0m m\u00e1t kh\u00f4ng kh\u00ed xung quanh. Ch\u00fang tr\u1ea3i qua qu\u00e1 tr\u00ecnh bay h\u01a1i v\u00e0 ng\u01b0ng t\u1ee5 \u0111\u1ec3 h\u1ea5p th\u1ee5 v\u00e0 gi\u1ea3i ph\u00f3ng nhi\u1ec7t, t\u1eeb \u0111\u00f3 l\u00e0m gi\u1ea3m nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng.<\/li>\n<li><strong>L\u00e0m m\u00e1t m\u00e1y t\u00ednh:<\/strong> M\u1ed9t s\u1ed1 h\u1ec7 th\u1ed1ng m\u00e1y t\u00ednh ti\u00ean ti\u1ebfn s\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p l\u00e0m m\u00e1t b\u1eb1ng chuy\u1ec3n pha \u0111\u1ec3 lo\u1ea1i b\u1ecf nhi\u1ec7t t\u1eeb vi x\u1eed l\u00fd. Dung d\u1ecbch l\u00e0m m\u00e1t s\u1ebd bay h\u01a1i khi h\u1ea5p th\u1ee5 nhi\u1ec7t t\u1eeb chip v\u00e0 sau \u0111\u00f3 ng\u01b0ng t\u1ee5 \u1edf m\u1ed9t n\u01a1i kh\u00e1c \u0111\u1ec3 th\u1ea3i nhi\u1ec7t ra ngo\u00e0i.<\/li>\n<li><strong>Chai nhi\u1ec7t:<\/strong> Chai n\u01b0\u1edbc gi\u1eef nhi\u1ec7t ho\u1eb7c c\u00e1c thi\u1ebft b\u1ecb gi\u1eef nhi\u1ec7t c\u0169ng s\u1eed d\u1ee5ng nguy\u00ean l\u00fd n\u00e0y \u0111\u1ec3 duy tr\u00ec nhi\u1ec7t \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh. Ch\u1ea5t b\u00ean trong thay \u0111\u1ed5i pha \u0111\u1ec3 h\u1ea5p th\u1ee5 ho\u1eb7c gi\u1ea3i ph\u00f3ng nhi\u1ec7t l\u00e0m m\u00e1t ho\u1eb7c gi\u1eef \u1ea5m l\u1edbp ngo\u00e0i c\u1ee7a chai.<\/li>\n<p><\/o1><\/p>\n<h2>K\u1ebft lu\u1eadn<\/h2>\n<p>Hi\u1ec3u r\u00f5 v\u1ec1 c\u00e1ch th\u1ee9c l\u00e0m m\u00e1t b\u1eb1ng thay \u0111\u1ed5i pha gi\u00fap ch\u00fang ta \u00e1p d\u1ee5ng c\u00f4ng ngh\u1ec7 n\u00e0y v\u00e0o nhi\u1ec1u l\u0129nh v\u1ef1c kh\u00e1c nhau, t\u1eeb \u0111i\u1ec7n t\u1eed \u0111\u1ebfn c\u00f4ng ngh\u1ec7 x\u00e2y d\u1ef1ng. S\u1ef1 hi\u1ec7u qu\u1ea3 c\u1ee7a ph\u01b0\u01a1ng ph\u00e1p n\u00e0y n\u1eb1m \u1edf kh\u1ea3 n\u0103ng h\u1ea5p th\u1ee5 ho\u1eb7c gi\u1ea3i ph\u00f3ng m\u1ed9t l\u01b0\u1ee3ng nhi\u1ec7t l\u1edbn m\u00e0 kh\u00f4ng c\u1ea7n thay \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9, l\u00e0m cho n\u00f3 tr\u1edf n\u00ean l\u00fd t\u01b0\u1edfng trong vi\u1ec7c ki\u1ec3m so\u00e1t nhi\u1ec7t \u0111\u1ed9 m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>C\u00e1ch l\u00e0m m\u00e1t b\u1eb1ng thay \u0111\u1ed5i pha ki\u1ec3m so\u00e1t nhi\u1ec7t \u0111\u1ed9 hi\u1ec7u qu\u1ea3, gi\u1ea3m nhi\u1ec7t \u0111\u1ed9 m\u00e1y m\u00f3c v\u00e0 thi\u1ebft b\u1ecb b\u1eb1ng qu\u00e1 tr\u00ecnh h\u00f3a h\u01a1i v\u00e0 ng\u01b0ng t\u1ee5.<\/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 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