{"id":683937,"date":"2024-10-12T10:24:43","date_gmt":"2024-10-12T09:24:43","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=683937"},"modified":"2024-10-12T10:24:43","modified_gmt":"2024-10-12T09:24:43","slug":"9-co-che-truyen-nhiet-khi-soi","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/9-co-che-truyen-nhiet-khi-soi\/","title":{"rendered":"9 C\u01a1 Ch\u1ebf Truy\u1ec1n Nhi\u1ec7t Khi S\u00f4i"},"content":{"rendered":"

9 C\u01a1 Ch\u1ebf Truy\u1ec1n Nhi\u1ec7t Khi S\u00f4i: T\u00ecm hi\u1ec3u c\u00e1c qu\u00e1 tr\u00ecnh v\u00e0 ph\u01b0\u01a1ng ph\u00e1p truy\u1ec1n nhi\u1ec7t khi ch\u1ea5t l\u1ecfng s\u00f4i, t\u1eeb \u0111\u1ed1i l\u01b0u t\u1ef1 nhi\u00ean \u0111\u1ebfn s\u00f4i h\u1ed7n h\u1ee3p v\u00e0 s\u00f4i m\u00e0ng.<\/p>\n

\"9<\/p>\n

9 C\u01a1 Ch\u1ebf Truy\u1ec1n Nhi\u1ec7t Khi S\u00f4i<\/h2>\n

Truy\u1ec1n nhi\u1ec7t khi s\u00f4i l\u00e0 m\u1ed9t qu\u00e1 tr\u00ecnh quan tr\u1ecdng trong nhi\u1ec1u \u1ee9ng d\u1ee5ng k\u1ef9 thu\u1eadt v\u00e0 c\u00f4ng nghi\u1ec7p, bao g\u1ed3m l\u00e0m l\u1ea1nh, \u0111un s\u00f4i n\u01b0\u1edbc, v\u00e0 s\u1ea3n xu\u1ea5t \u0111i\u1ec7n n\u0103ng. Qu\u00e1 tr\u00ecnh n\u00e0y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ph\u00e2n lo\u1ea1i th\u00e0nh nhi\u1ec1u c\u01a1 ch\u1ebf kh\u00e1c nhau t\u00f9y thu\u1ed9c v\u00e0o \u0111i\u1ec1u ki\u1ec7n v\u00e0 ki\u1ec3u b\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 9 c\u01a1 ch\u1ebf truy\u1ec1n nhi\u1ec7t khi s\u00f4i:<\/p>\n

<\/p>\n

  • S\u00f4i t\u1ef1 nhi\u00ean (Natural Boiling)<\/b>: X\u1ea3y ra khi ch\u1ea5t l\u1ecfng \u0111\u1ea1t \u0111\u1ebfn nhi\u1ec7t \u0111\u1ed9 s\u00f4i d\u01b0\u1edbi \u0111i\u1ec1u ki\u1ec7n \u00e1p su\u1ea5t nh\u1ea5t \u0111\u1ecbnh m\u00e0 kh\u00f4ng c\u1ea7n cung c\u1ea5p th\u00eam nhi\u1ec7t t\u1eeb b\u00ean ngo\u00e0i.<\/li>\n
  • S\u00f4i c\u01b0\u1ee1ng b\u1ee9c (Forced Boiling)<\/b>: S\u00f4i x\u1ea3y ra khi c\u00f3 m\u1ed9t ngu\u1ed3n nhi\u1ec7t b\u00ean ngo\u00e0i cung c\u1ea5p nhi\u1ec7t l\u01b0\u1ee3ng li\u00ean t\u1ee5c v\u00e0o ch\u1ea5t l\u1ecfng, khi\u1ebfn cho qu\u00e1 tr\u00ecnh s\u00f4i di\u1ec5n ra.<\/li>\n
  • S\u00f4i l\u1edbp phim (Film Boiling)<\/b>: L\u00e0 hi\u1ec7n t\u01b0\u1ee3ng khi c\u00f3 m\u1ed9t l\u1edbp m\u00e0ng h\u01a1i gi\u1eefa b\u1ec1 m\u1eb7t n\u00f3ng v\u00e0 ch\u1ea5t l\u1ecfng, l\u00e0m gi\u1ea3m hi\u1ec7u su\u1ea5t truy\u1ec1n nhi\u1ec7t do l\u1edbp h\u01a1i n\u00e0y c\u00f3 kh\u1ea3 n\u0103ng d\u1eabn nhi\u1ec7t k\u00e9m.<\/li>\n
  • S\u00f4i l\u1edbp bong b\u00f3ng (Nucleate Boiling)<\/b>: X\u1ea3y ra khi c\u00e1c bong b\u00f3ng h\u01a1i \u0111\u01b0\u1ee3c h\u00ecnh th\u00e0nh v\u00e0 t\u00e1ch ra kh\u1ecfi b\u1ec1 m\u1eb7t n\u00f3ng, d\u1eabn nhi\u1ec7t hi\u1ec7u qu\u1ea3 h\u01a1n so v\u1edbi s\u00f4i l\u1edbp phim.<\/li>\n
  • S\u00f4i chuy\u1ec3n pha (Transition Boiling)<\/b>: X\u1ea3y ra khi nhi\u1ec7t \u0111\u1ed9 b\u1ec1 m\u1eb7t n\u1eb1m gi\u1eefa hai tr\u1ea1ng th\u00e1i s\u00f4i l\u1edbp bong b\u00f3ng v\u00e0 s\u00f4i l\u1edbp phim, t\u1ea1o ra m\u1ed9t qu\u00e1 tr\u00ecnh truy\u1ec1n nhi\u1ec7t ph\u1ee9c t\u1ea1p v\u00e0 kh\u00f4ng \u1ed5n \u0111\u1ecbnh.<\/li>\n
  • S\u00f4i h\u1ed7n h\u1ee3p (Mixed Boiling)<\/b>: Khi c\u1ea3 s\u00f4i c\u01b0\u1ee1ng b\u1ee9c v\u00e0 t\u1ef1 nhi\u00ean c\u00f9ng x\u1ea3y ra, t\u1ea1o n\u00ean s\u1ef1 k\u1ebft h\u1ee3p c\u1ee7a hai c\u01a1 ch\u1ebf truy\u1ec1n nhi\u1ec7t.<\/li>\n
  • S\u00f4i kh\u00f4ng \u1ed5n \u0111\u1ecbnh (Unstable Boiling)<\/b>: Qu\u00e1 tr\u00ecnh s\u00f4i di\u1ec5n ra kh\u00f4ng \u0111\u1ec1u \u0111\u1eb7n, kh\u00f4ng c\u00f3 s\u1ef1 ki\u1ec3m so\u00e1t t\u1ed1t do c\u00e1c y\u1ebfu t\u1ed1 nh\u01b0 nhi\u1ec7t \u0111\u1ed9, \u00e1p su\u1ea5t thay \u0111\u1ed5i li\u00ean t\u1ee5c.<\/li>\n
  • S\u00f4i si\u00eau nhi\u1ec7t (Superheating Boiling)<\/b>: X\u1ea3y ra khi ch\u1ea5t l\u1ecfng \u0111\u01b0\u1ee3c \u0111un n\u00f3ng tr\u00ean nhi\u1ec7t \u0111\u1ed9 s\u00f4i nh\u01b0ng kh\u00f4ng xu\u1ea5t hi\u1ec7n s\u1ef1 h\u00ecnh th\u00e0nh c\u1ee7a bong b\u00f3ng h\u01a1i do s\u1ef1 t\u0103ng cao c\u1ee7a \u00e1p su\u1ea5t.<\/li>\n
  • S\u00f4i t\u1ea1i \u0111i\u1ec3m c\u1ef1c \u0111\u1ea1i (Critical Heat Flux)<\/b>: \u0110i\u1ec3m m\u00e0 t\u1ea1i \u0111\u00f3 l\u01b0\u1ee3ng nhi\u1ec7t \u0111\u01b0\u1ee3c truy\u1ec1n t\u1eeb b\u1ec1 m\u1eb7t n\u00f3ng \u0111\u1ebfn ch\u1ea5t l\u1ecfng \u0111\u1ea1t t\u1ed1i \u0111a, sau \u0111\u00f3 t\u1ed1c \u0111\u1ed9 truy\u1ec1n nhi\u1ec7t gi\u1ea3m xu\u1ed1ng n\u1ebfu nhi\u1ec7t \u0111\u1ed9 ti\u1ebfp t\u1ee5c t\u0103ng.<\/li>\n

    <\/u1><\/p>\n

    Vi\u1ec7c hi\u1ec3u r\u00f5 c\u00e1c c\u01a1 ch\u1ebf truy\u1ec1n nhi\u1ec7t khi s\u00f4i l\u00e0 r\u1ea5t quan tr\u1ecdng trong thi\u1ebft k\u1ebf v\u00e0 v\u1eadn h\u00e0nh c\u00e1c h\u1ec7 th\u1ed1ng nhi\u1ec7t trong k\u1ef9 thu\u1eadt. M\u1ed7i lo\u1ea1i c\u00f3 nh\u1eefng \u0111\u1eb7c \u0111i\u1ec3m ri\u00eang bi\u1ec7t v\u00e0 y\u00eau c\u1ea7u c\u00e1c ph\u01b0\u01a1ng ph\u00e1p x\u1eed l\u00fd kh\u00e1c nhau \u0111\u1ec3 \u0111\u1ea1t hi\u1ec7u su\u1ea5t cao nh\u1ea5t.<\/p>\n","protected":false},"excerpt":{"rendered":"

    9 C\u01a1 Ch\u1ebf Truy\u1ec1n Nhi\u1ec7t Khi S\u00f4i: T\u00ecm hi\u1ec3u c\u00e1c qu\u00e1 tr\u00ecnh v\u00e0 ph\u01b0\u01a1ng ph\u00e1p truy\u1ec1n nhi\u1ec7t khi ch\u1ea5t l\u1ecfng s\u00f4i, t\u1eeb \u0111\u1ed1i l\u01b0u t\u1ef1 nhi\u00ean \u0111\u1ebfn s\u00f4i h\u1ed7n h\u1ee3p v\u00e0 s\u00f4i m\u00e0ng.<\/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":"\n9 C\u01a1 Ch\u1ebf Truy\u1ec1n Nhi\u1ec7t Khi S\u00f4i<\/title>\n<meta name=\"description\" content=\"9 C\u01a1 Ch\u1ebf Truy\u1ec1n Nhi\u1ec7t Khi S\u00f4i: T\u00ecm hi\u1ec3u c\u00e1c qu\u00e1 tr\u00ecnh v\u00e0 ph\u01b0\u01a1ng ph\u00e1p truy\u1ec1n nhi\u1ec7t khi ch\u1ea5t l\u1ecfng s\u00f4i, t\u1eeb \u0111\u1ed1i l\u01b0u t\u1ef1 nhi\u00ean \u0111\u1ebfn s\u00f4i h\u1ed7n h\u1ee3p v\u00e0 s\u00f4i m\u00e0ng.\" \/>\n<meta name=\"robots\" content=\"index, follow, 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