![\"Khai](\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/khai_thac_su_chuyen_pha_nhiet.png\")
<\/p>\nKhai th\u00e1c s\u1ef1 chuy\u1ec3n pha nhi\u1ec7t: Gi\u1ea3i th\u00edch nguy\u00ean l\u00fd v\u00e0 \u1ee9ng d\u1ee5ng trong c\u00e1c h\u1ec7 th\u1ed1ng c\u00f4ng nghi\u1ec7p hi\u1ec7n \u0111\u1ea1i, t\u1eeb m\u00e1y l\u1ea1nh \u0111\u1ebfn \u0111i\u1ec7n tho\u1ea1i di \u0111\u1ed9ng ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng.<\/p>\n
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Trong k\u1ef9 thu\u1eadt nhi\u1ec7t, khai th\u00e1c s\u1ef1 chuy\u1ec3n pha nhi\u1ec7t l\u00e0 m\u1ed9t k\u1ef9 thu\u1eadt quan tr\u1ecdng \u0111\u1ec3 truy\u1ec1n ho\u1eb7c l\u01b0u tr\u1eef n\u0103ng l\u01b0\u1ee3ng nhi\u1ec7t. S\u1ef1 chuy\u1ec3n pha x\u1ea3y ra khi m\u1ed9t ch\u1ea5t chuy\u1ec3n t\u1eeb tr\u1ea1ng th\u00e1i n\u00e0y sang tr\u1ea1ng th\u00e1i kh\u00e1c, ch\u1eb3ng h\u1ea1n nh\u01b0 t\u1eeb l\u1ecfng sang r\u1eafn ho\u1eb7c t\u1eeb l\u1ecfng sang kh\u00ed. Qu\u00e1 tr\u00ecnh n\u00e0y \u0111i k\u00e8m v\u1edbi vi\u1ec7c h\u1ea5p th\u1ee5 ho\u1eb7c gi\u1ea3i ph\u00f3ng m\u1ed9t l\u01b0\u1ee3ng n\u0103ng l\u01b0\u1ee3ng \u0111\u00e1ng k\u1ec3, \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 nhi\u1ec7t h\u00f3a h\u1ecdc (latent heat).<\/p>\n
M\u1ed9t s\u1ed1 qu\u00e1 tr\u00ecnh chuy\u1ec3n pha kh\u00e1c bao g\u1ed3m s\u1ef1 th\u0103ng hoa (chuy\u1ec3n t\u1eeb r\u1eafn tr\u1ef1c ti\u1ebfp sang kh\u00ed) v\u00e0 qu\u00e1 tr\u00ecnh l\u1eafng \u0111\u1ecdng (chuy\u1ec3n t\u1eeb kh\u00ed tr\u1ef1c ti\u1ebfp sang r\u1eafn).<\/p>\n
M\u00e1y l\u1ea1nh v\u00e0 h\u1ec7 th\u1ed1ng \u0111i\u1ec1u h\u00f2a kh\u00f4ng kh\u00ed l\u00e0m vi\u1ec7c d\u1ef1a tr\u00ean nguy\u00ean l\u00fd chuy\u1ec3n pha l\u1ecfng-kh\u00ed v\u00e0 kh\u00ed-l\u1ecfng c\u1ee7a ch\u1ea5t l\u00e0m l\u1ea1nh. Ch\u1ea5t l\u00e0m l\u1ea1nh h\u1ea5p th\u1ee5 nhi\u1ec7t t\u1eeb kh\u00f4ng gian c\u1ea7n l\u00e0m m\u00e1t khi n\u00f3 bay h\u01a1i, sau \u0111\u00f3 t\u1ecfa nhi\u1ec7t ra m\u00f4i tr\u01b0\u1eddng b\u00ean ngo\u00e0i khi n\u00f3 ng\u01b0ng t\u1ee5 l\u1ea1i.<\/p>\n
V\u1eadt li\u1ec7u t\u00edch tr\u1eef nhi\u1ec7t h\u00f3a h\u1ecdc (PCM) \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 l\u01b0u tr\u1eef n\u0103ng l\u01b0\u1ee3ng nhi\u1ec7t. Khi nhi\u1ec7t \u0111\u1ed9 t\u0103ng l\u00ean, PCM n\u00f3ng ch\u1ea3y v\u00e0 h\u1ea5p th\u1ee5 nhi\u1ec7t. Khi nhi\u1ec7t \u0111\u1ed9 gi\u1ea3m, n\u00f3 \u0111\u00f4ng \u0111\u1eb7c v\u00e0 gi\u1ea3i ph\u00f3ng nhi\u1ec7t. \u0110i\u1ec1u n\u00e0y gi\u00fap duy tr\u00ec nhi\u1ec7t \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh trong c\u00e1c \u1ee9ng d\u1ee5ng nh\u01b0 x\u00e2y d\u1ef1ng, v\u1eadn chuy\u1ec3n l\u1ea1nh v\u00e0 c\u00e1c h\u1ec7 th\u1ed1ng n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi.<\/p>\n
Khai th\u00e1c s\u1ef1 chuy\u1ec3n pha nhi\u1ec7t l\u00e0 m\u1ed9t k\u1ef9 thu\u1eadt quan tr\u1ecdng v\u00e0 ph\u1ed5 bi\u1ebfn trong ng\u00e0nh k\u1ef9 thu\u1eadt nhi\u1ec7t. T\u1eeb l\u00e0m l\u1ea1nh, l\u01b0u tr\u1eef nhi\u1ec7t n\u0103ng \u0111\u1ebfn s\u1ea3n xu\u1ea5t \u0111i\u1ec7n, nguy\u00ean l\u00fd \u0111\u01a1n gi\u1ea3n c\u1ee7a s\u1ef1 chuy\u1ec3n pha gi\u00fap ch\u00fang ta t\u1ed1i \u01b0u h\u00f3a vi\u1ec7c s\u1eed d\u1ee5ng v\u00e0 truy\u1ec1n t\u1ea3i n\u0103ng l\u01b0\u1ee3ng. C\u00e1c nghi\u00ean c\u1ee9u v\u00e0 ph\u00e1t tri\u1ec3n m\u1edbi \u0111ang ti\u1ebfp t\u1ee5c m\u1edf ra c\u00e1c \u1ee9ng d\u1ee5ng m\u1edbi v\u00e0 hi\u1ec7u qu\u1ea3 h\u01a1n trong t\u01b0\u01a1ng lai.<\/p>\n","protected":false},"excerpt":{"rendered":"
Khai th\u00e1c s\u1ef1 chuy\u1ec3n pha nhi\u1ec7t: Gi\u1ea3i th\u00edch nguy\u00ean l\u00fd v\u00e0 \u1ee9ng d\u1ee5ng trong c\u00e1c h\u1ec7 th\u1ed1ng c\u00f4ng nghi\u1ec7p hi\u1ec7n \u0111\u1ea1i, t\u1eeb m\u00e1y l\u1ea1nh \u0111\u1ebfn \u0111i\u1ec7n tho\u1ea1i di \u0111\u1ed9ng ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng.<\/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":"\n