{"id":708417,"date":"2024-09-26T10:39:00","date_gmt":"2024-09-26T09:39:00","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=708417"},"modified":"2024-09-26T10:39:00","modified_gmt":"2024-09-26T09:39:00","slug":"nhung-dieu-co-ban-ve-su-chuyen-pha-trong-truyen-nhiet","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/nhung-dieu-co-ban-ve-su-chuyen-pha-trong-truyen-nhiet\/","title":{"rendered":"Nh\u1eefng \u0110i\u1ec1u C\u01a1 B\u1ea3n V\u1ec1 S\u1ef1 Chuy\u1ec3n Pha Trong Truy\u1ec1n Nhi\u1ec7t"},"content":{"rendered":"<p class=\"sidekick\">Nh\u1eefng \u0110i\u1ec1u C\u01a1 B\u1ea3n V\u1ec1 S\u1ef1 Chuy\u1ec3n Pha Trong Truy\u1ec1n Nhi\u1ec7t: t\u00ecm hi\u1ec3u c\u01a1 ch\u1ebf s\u1ef1 chuy\u1ec3n pha, \u1ee9ng d\u1ee5ng trong c\u00f4ng ngh\u1ec7 v\u00e0 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t truy\u1ec1n nhi\u1ec7t.<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/nhung_dieu_co_ban_ve_su_chuyen_pha_trong_truyen_nhiet.png\" alt=\"Nh\u1eefng \u0110i\u1ec1u C\u01a1 B\u1ea3n V\u1ec1 S\u1ef1 Chuy\u1ec3n Pha Trong Truy\u1ec1n Nhi\u1ec7t\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>Nh\u1eefng \u0110i\u1ec1u C\u01a1 B\u1ea3n V\u1ec1 S\u1ef1 Chuy\u1ec3n Pha Trong Truy\u1ec1n Nhi\u1ec7t<\/h2>\n<p>Trong l\u0129nh v\u1ef1c k\u1ef9 thu\u1eadt nhi\u1ec7t, s\u1ef1 chuy\u1ec3n pha l\u00e0 qu\u00e1 tr\u00ecnh m\u1ed9t ch\u1ea5t thay \u0111\u1ed5i tr\u1ea1ng th\u00e1i t\u1eeb r\u1eafn sang l\u1ecfng, l\u1ecfng sang kh\u00ed, ho\u1eb7c ng\u01b0\u1ee3c l\u1ea1i. S\u1ef1 chuy\u1ec3n pha \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong nhi\u1ec1u \u1ee9ng d\u1ee5ng k\u1ef9 thu\u1eadt v\u00e0 c\u00f4ng nghi\u1ec7p, t\u1eeb t\u1ee7 l\u1ea1nh cho \u0111\u1ebfn c\u00e1c h\u1ec7 th\u1ed1ng n\u0103ng l\u01b0\u1ee3ng. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd gi\u1edbi thi\u1ec7u nh\u1eefng kh\u00e1i ni\u1ec7m c\u01a1 b\u1ea3n v\u1ec1 s\u1ef1 chuy\u1ec3n pha trong truy\u1ec1n nhi\u1ec7t.<\/p>\n<h2>S\u1ef1 N\u00f3ng Ch\u1ea3y V\u00e0 \u0110\u00f4ng \u0110\u1eb7c<\/h2>\n<p><u>S\u1ef1 n\u00f3ng ch\u1ea3y<\/u> l\u00e0 qu\u00e1 tr\u00ecnh m\u1ed9t ch\u1ea5t chuy\u1ec3n t\u1eeb tr\u1ea1ng th\u00e1i r\u1eafn sang l\u1ecfng khi nhi\u1ec7t \u0111\u1ed9 t\u0103ng l\u00ean. V\u00ed d\u1ee5, n\u01b0\u1edbc \u0111\u00e1 s\u1ebd tan ch\u1ea3y th\u00e0nh n\u01b0\u1edbc khi nhi\u1ec7t \u0111\u1ed9 \u0111\u1ea1t 0\u00b0C.<\/p>\n<ul>\n<li>Ph\u01b0\u01a1ng tr\u00ecnh c\u00e2n b\u1eb1ng n\u0103ng l\u01b0\u1ee3ng: \\( Q = m \\cdot L_f \\) <\/li>\n<li>Trong \u0111\u00f3:\n<ul>\n<li>\\( Q \\) l\u00e0 nhi\u1ec7t l\u01b0\u1ee3ng<\/li>\n<li>\\( m \\) l\u00e0 kh\u1ed1i l\u01b0\u1ee3ng c\u1ee7a ch\u1ea5t<\/li>\n<li>\\( L_f \\) l\u00e0 nhi\u1ec7t n\u00f3ng ch\u1ea3y<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><u>S\u1ef1 \u0111\u00f4ng \u0111\u1eb7c<\/u> l\u00e0 qu\u00e1 tr\u00ecnh ng\u01b0\u1ee3c l\u1ea1i, n\u01a1i m\u1ed9t ch\u1ea5t chuy\u1ec3n t\u1eeb l\u1ecfng v\u1ec1 r\u1eafn khi nhi\u1ec7t \u0111\u1ed9 gi\u1ea3m xu\u1ed1ng d\u01b0\u1edbi \u0111i\u1ec3m \u0111\u00f4ng \u0111\u1eb7c. N\u01b0\u1edbc s\u1ebd \u0111\u00f3ng b\u0103ng th\u00e0nh \u0111\u00e1 \u1edf 0\u00b0C.<\/p>\n<ul>\n<li>Ph\u01b0\u01a1ng tr\u00ecnh c\u00e2n b\u1eb1ng n\u0103ng l\u01b0\u1ee3ng t\u01b0\u01a1ng t\u1ef1: \\( Q = m \\cdot L_f \\)<\/li>\n<\/ul>\n<h2>Bay H\u01a1i V\u00e0 Ng\u01b0ng T\u1ee5<\/h2>\n<p><u>Bay h\u01a1i<\/u> l\u00e0 qu\u00e1 tr\u00ecnh m\u1ed9t ch\u1ea5t chuy\u1ec3n t\u1eeb l\u1ecfng sang kh\u00ed. V\u00ed d\u1ee5, n\u01b0\u1edbc bay h\u01a1i th\u00e0nh h\u01a1i n\u01b0\u1edbc khi \u0111un s\u00f4i \u0111\u1ea1t 100\u00b0C.<\/p>\n<ul>\n<li>Ph\u01b0\u01a1ng tr\u00ecnh c\u00e2n b\u1eb1ng n\u0103ng l\u01b0\u1ee3ng: \\( Q = m \\cdot L_v \\) <\/li>\n<li>Trong \u0111\u00f3:\n<ul>\n<li>\\( Q \\) l\u00e0 nhi\u1ec7t l\u01b0\u1ee3ng<\/li>\n<li>\\( m \\) l\u00e0 kh\u1ed1i l\u01b0\u1ee3ng c\u1ee7a ch\u1ea5t<\/li>\n<li>\\( L_v \\) l\u00e0 nhi\u1ec7t bay h\u01a1i<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><u>Ng\u01b0ng t\u1ee5<\/u> l\u00e0 qu\u00e1 tr\u00ecnh ng\u01b0\u1ee3c l\u1ea1i, khi h\u01a1i n\u01b0\u1edbc chuy\u1ec3n h\u00f3a l\u1ea1i th\u00e0nh l\u1ecfng. \u0110i\u1ec1u n\u00e0y x\u1ea3y ra khi nhi\u1ec7t \u0111\u1ed9 gi\u1ea3m v\u00e0 h\u01a1i n\u01b0\u1edbc ti\u1ebfp x\u00fac v\u1edbi b\u1ec1 m\u1eb7t l\u1ea1nh.<\/p>\n<ul>\n<li>Ph\u01b0\u01a1ng tr\u00ecnh t\u01b0\u01a1ng t\u1ef1: \\( Q = m \\cdot L_v \\)<\/li>\n<\/ul>\n<h2>Th\u0103ng Hoa V\u00e0 L\u1eafng K\u1ebft<\/h2>\n<p><u>Th\u0103ng hoa<\/u> l\u00e0 qu\u00e1 tr\u00ecnh chuy\u1ec3n tr\u1ef1c ti\u1ebfp t\u1eeb r\u1eafn sang kh\u00ed m\u00e0 kh\u00f4ng qua tr\u1ea1ng th\u00e1i l\u1ecfng. V\u00ed d\u1ee5, n\u01b0\u1edbc \u0111\u00e1 kh\u00f4 (CO<sub>2<\/sub> r\u1eafn) th\u0103ng hoa tr\u1ef1c ti\u1ebfp th\u00e0nh kh\u00ed CO<sub>2<\/sub>.<\/p>\n<ul>\n<li>Ph\u01b0\u01a1ng tr\u00ecnh c\u00e2n b\u1eb1ng n\u0103ng l\u01b0\u1ee3ng: \\( Q = m \\cdot L_s \\) <\/li>\n<li>Trong \u0111\u00f3:\n<ul>\n<li>\\( Q \\) l\u00e0 nhi\u1ec7t l\u01b0\u1ee3ng<\/li>\n<li>\\( m \\) l\u00e0 kh\u1ed1i l\u01b0\u1ee3ng c\u1ee7a ch\u1ea5t<\/li>\n<li>\\( L_s \\) l\u00e0 nhi\u1ec7t th\u0103ng hoa<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><u>L\u1eafng k\u1ebft<\/u> l\u00e0 qu\u00e1 tr\u00ecnh ng\u01b0\u1ee3c l\u1ea1i, n\u01a1i kh\u00ed chuy\u1ec3n tr\u1ef1c ti\u1ebfp v\u1ec1 tr\u1ea1ng th\u00e1i r\u1eafn m\u00e0 kh\u00f4ng qua tr\u1ea1ng th\u00e1i l\u1ecfng.<\/p>\n<ul>\n<li>Ph\u01b0\u01a1ng tr\u00ecnh t\u01b0\u01a1ng t\u1ef1: \\( Q = m \\cdot L_s \\)<\/li>\n<\/ul>\n<h2>T\u1ea7m Quan Tr\u1ecdng C\u1ee7a S\u1ef1 Chuy\u1ec3n Pha<\/h2>\n<p>S\u1ef1 chuy\u1ec3n pha trong truy\u1ec1n nhi\u1ec7t l\u00e0 n\u1ec1n t\u1ea3ng cho nhi\u1ec1u \u1ee9ng d\u1ee5ng k\u1ef9 thu\u1eadt, t\u1eeb h\u1ec7 th\u1ed1ng l\u00e0m l\u1ea1nh, \u0111i\u1ec1u h\u00f2a kh\u00f4ng kh\u00ed, \u0111\u1ebfn c\u00e1c quy tr\u00ecnh c\u00f4ng nghi\u1ec7p nh\u01b0 tinh ch\u1ebf d\u1ea7u m\u1ecf ho\u1eb7c s\u1ea3n xu\u1ea5t h\u00f3a ch\u1ea5t.<\/p>\n<p>Hi\u1ec3u r\u00f5 v\u1ec1 c\u00e1c qu\u00e1 tr\u00ecnh v\u00e0 ph\u01b0\u01a1ng tr\u00ecnh li\u00ean quan \u0111\u1ebfn s\u1ef1 chuy\u1ec3n pha gi\u00fap k\u1ef9 s\u01b0 v\u00e0 nh\u00e0 nghi\u00ean c\u1ee9u thi\u1ebft k\u1ebf v\u00e0 t\u1ed1i \u01b0u h\u00f3a c\u00e1c h\u1ec7 th\u1ed1ng truy\u1ec1n nhi\u1ec7t hi\u1ec7u qu\u1ea3 h\u01a1n.<\/p>\n<p>Qua b\u00e0i vi\u1ebft n\u00e0y, hy v\u1ecdng b\u1ea1n \u0111\u00e3 c\u00f3 c\u00e1i nh\u00ecn t\u1ed5ng quan v\u1ec1 nh\u1eefng \u0111i\u1ec1u c\u01a1 b\u1ea3n c\u1ee7a s\u1ef1 chuy\u1ec3n pha trong truy\u1ec1n nhi\u1ec7t. S\u1ef1 chuy\u1ec3n pha kh\u00f4ng ch\u1ec9 l\u00e0 hi\u1ec7n t\u01b0\u1ee3ng ph\u1ed5 bi\u1ebfn trong t\u1ef1 nhi\u00ean m\u00e0 c\u00f2n l\u00e0 y\u1ebfu t\u1ed1 thi\u1ebft y\u1ebfu trong nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p v\u00e0 k\u1ef9 thu\u1eadt.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Nh\u1eefng \u0110i\u1ec1u C\u01a1 B\u1ea3n V\u1ec1 S\u1ef1 Chuy\u1ec3n Pha Trong Truy\u1ec1n Nhi\u1ec7t: t\u00ecm hi\u1ec3u c\u01a1 ch\u1ebf s\u1ef1 chuy\u1ec3n pha, \u1ee9ng d\u1ee5ng trong c\u00f4ng ngh\u1ec7 v\u00e0 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t truy\u1ec1n nhi\u1ec7t.<\/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>Nh\u1eefng \u0110i\u1ec1u C\u01a1 B\u1ea3n V\u1ec1 S\u1ef1 Chuy\u1ec3n 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