{"id":708031,"date":"2024-07-22T15:38:57","date_gmt":"2024-07-22T14:38:57","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=708031"},"modified":"2024-07-22T15:38:57","modified_gmt":"2024-07-22T14:38:57","slug":"tim-hieu-ve-bo-trao-doi-nhiet-huong-dan-co-ban","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/tim-hieu-ve-bo-trao-doi-nhiet-huong-dan-co-ban\/","title":{"rendered":"T\u00ecm Hi\u1ec3u V\u1ec1 B\u1ed9 Trao \u0110\u1ed5i Nhi\u1ec7t: H\u01b0\u1edbng D\u1eabn C\u01a1 B\u1ea3n"},"content":{"rendered":"

B\u1ed9 trao \u0111\u1ed5i nhi\u1ec7t l\u00e0 g\u00ec v\u00e0 ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o? H\u01b0\u1edbng d\u1eabn c\u01a1 b\u1ea3n v\u1ec1 nguy\u00ean l\u00fd v\u00e0 \u1ee9ng d\u1ee5ng c\u1ee7a b\u1ed9 trao \u0111\u1ed5i nhi\u1ec7t trong ng\u00e0nh nhi\u1ec7t k\u1ef9 thu\u1eadt.<\/p>\n

\"T\u00ecm<\/p>\n

T\u00ecm Hi\u1ec3u V\u1ec1 B\u1ed9 Trao \u0110\u1ed5i Nhi\u1ec7t: H\u01b0\u1edbng D\u1eabn C\u01a1 B\u1ea3n<\/h2>\n

B\u1ed9 trao \u0111\u1ed5i nhi\u1ec7t l\u00e0 m\u1ed9t thi\u1ebft b\u1ecb quan tr\u1ecdng trong l\u0129nh v\u1ef1c k\u1ef9 thu\u1eadt nhi\u1ec7t, gi\u00fap chuy\u1ec3n nhi\u1ec7t t\u1eeb m\u00f4i tr\u01b0\u1eddng n\u00e0y sang m\u00f4i tr\u01b0\u1eddng kh\u00e1c m\u00e0 kh\u00f4ng khi\u1ebfn ch\u00fang ti\u1ebfp x\u00fac tr\u1ef1c ti\u1ebfp v\u1edbi nhau. Ch\u00fang \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong nhi\u1ec1u \u1ee9ng d\u1ee5ng kh\u00e1c nhau nh\u01b0 h\u1ec7 th\u1ed1ng \u0111i\u1ec1u h\u00f2a kh\u00f4ng kh\u00ed, \u00f4 t\u00f4, nh\u00e0 m\u00e1y \u0111i\u1ec7n v\u00e0 nhi\u1ec1u l\u0129nh v\u1ef1c c\u00f4ng nghi\u1ec7p kh\u00e1c.<\/p>\n

C\u1ea5u T\u1ea1o C\u01a1 B\u1ea3n c\u1ee7a B\u1ed9 Trao \u0110\u1ed5i Nhi\u1ec7t<\/h2>\n

M\u1ed9t b\u1ed9 trao \u0111\u1ed5i nhi\u1ec7t th\u00f4ng th\u01b0\u1eddng bao g\u1ed3m hai m\u00f4i ch\u1ea5t l\u01b0u th\u00f4ng qua c\u00e1c \u1ed1ng ho\u1eb7c c\u00e1c t\u1ea5m. Ch\u00ednh s\u1ef1 chuy\u1ec3n \u0111\u1ed5i nhi\u1ec7t qua b\u1ec1 m\u1eb7t c\u00e1c \u1ed1ng ho\u1eb7c t\u1ea5m n\u00e0y gi\u00fap th\u1ef1c hi\u1ec7n vi\u1ec7c trao \u0111\u1ed5i nhi\u1ec7t gi\u1eefa hai m\u00f4i ch\u1ea5t.<\/p>\n

<\/p>\n

  • \u1ed0ng nhi\u1ec7t (Tube): Th\u01b0\u1eddng \u0111\u01b0\u1ee3c l\u00e0m t\u1eeb kim lo\u1ea1i v\u00e0 cho ph\u00e9p d\u00f2ng ch\u1ea3y m\u00f4i ch\u1ea5t.<\/li>\n
  • V\u1ecf (Shell): L\u00e0m nhi\u1ec7m v\u1ee5 ch\u1ee9a \u0111\u1ef1ng v\u00e0 b\u1ea3o v\u1ec7 c\u00e1c \u1ed1ng nhi\u1ec7t b\u00ean trong.<\/li>\n
  • M\u00f4i ch\u1ea5t l\u00e0m m\u00e1t v\u00e0 n\u00f3ng: \u0110\u00e2y l\u00e0 hai ch\u1ea5t l\u01b0u th\u00f4ng qua b\u1ed9 trao \u0111\u1ed5i nhi\u1ec7t \u0111\u1ec3 th\u1ef1c hi\u1ec7n qu\u00e1 tr\u00ecnh trao \u0111\u1ed5i nhi\u1ec7t.<\/li>\n

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

    Nguy\u00ean L\u00fd Ho\u1ea1t \u0110\u1ed9ng<\/h2>\n

    Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a b\u1ed9 trao \u0111\u1ed5i nhi\u1ec7t d\u1ef1a tr\u00ean s\u1ef1 ch\u00eanh l\u1ec7ch nhi\u1ec7t \u0111\u1ed9 gi\u1eefa hai m\u00f4i ch\u1ea5t. \u0110\u1ec3 d\u1ec5 hi\u1ec3u, h\u00e3y t\u01b0\u1edfng t\u01b0\u1ee3ng c\u00f3 m\u1ed9t d\u00f2ng n\u01b0\u1edbc n\u00f3ng v\u00e0 m\u1ed9t d\u00f2ng n\u01b0\u1edbc l\u1ea1nh ch\u1ea3y qua c\u00e1c \u1ed1ng trong b\u1ed9 trao \u0111\u1ed5i nhi\u1ec7t:<\/p>\n

    <\/p>\n

  • D\u00f2ng n\u01b0\u1edbc n\u00f3ng s\u1ebd truy\u1ec1n nhi\u1ec7t qua th\u00e0nh \u1ed1ng v\u00e0o d\u00f2ng n\u01b0\u1edbc l\u1ea1nh.<\/li>\n
  • D\u00f2ng n\u01b0\u1edbc l\u1ea1nh h\u1ea5p th\u1ee5 nhi\u1ec7t v\u00e0 nhi\u1ec7t \u0111\u1ed9 c\u1ee7a n\u00f3 t\u0103ng l\u00ean, trong khi nhi\u1ec7t \u0111\u1ed9 c\u1ee7a d\u00f2ng n\u01b0\u1edbc n\u00f3ng gi\u1ea3m \u0111i.<\/li>\n

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

    Qu\u00e1 tr\u00ecnh n\u00e0y di\u1ec5n ra li\u00ean t\u1ee5c, kh\u00e9p k\u00edn v\u00e0 hi\u1ec7u qu\u1ea3 trong vi\u1ec7c chuy\u1ec3n \u0111\u1ed5i nhi\u1ec7t gi\u1eefa hai m\u00f4i ch\u1ea5t.<\/p>\n

    C\u00e1c Lo\u1ea1i B\u1ed9 Trao \u0110\u1ed5i Nhi\u1ec7t<\/h2>\n

    C\u00f3 nhi\u1ec1u lo\u1ea1i b\u1ed9 trao \u0111\u1ed5i nhi\u1ec7t kh\u00e1c nhau, nh\u01b0ng \u0111\u1ec1u ho\u1ea1t \u0111\u1ed9ng d\u1ef1a tr\u00ean nguy\u00ean l\u00fd c\u01a1 b\u1ea3n nh\u01b0 \u0111\u00e3 tr\u00ecnh b\u00e0y. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 lo\u1ea1i ph\u1ed5 bi\u1ebfn:<\/p>\n

    <\/p>\n

  • Lo\u1ea1i d\u1eabn nhi\u1ec7t qua t\u01b0\u1eddng (Conduction)<\/b>: Nhi\u1ec7t \u0111\u01b0\u1ee3c trao \u0111\u1ed5i tr\u1ef1c ti\u1ebfp qua th\u00e0nh \u1ed1ng ho\u1eb7c t\u1ea5m ng\u0103n c\u00e1ch gi\u1eefa hai m\u00f4i ch\u1ea5t.<\/li>\n
  • Lo\u1ea1i \u0111\u1ed1i l\u01b0u (Convection)<\/b>: S\u1eed d\u1ee5ng c\u01a1 ch\u1ebf \u0111\u1ed1i l\u01b0u nhi\u1ec7t, nhi\u1ec7t \u0111\u01b0\u1ee3c truy\u1ec1n t\u1eeb l\u1edbp ch\u1ea5t n\u00e0y sang l\u1edbp ch\u1ea5t kh\u00e1c.<\/li>\n
  • Lo\u1ea1i b\u1ee9c x\u1ea1 (Radiation)<\/b>: Nhi\u1ec7t \u0111\u01b0\u1ee3c chuy\u1ec3n giao th\u00f4ng qua b\u1ee9c x\u1ea1 nhi\u1ec7t t\u1eeb b\u1ec1 m\u1eb7t n\u00e0y sang b\u1ec1 m\u1eb7t kh\u00e1c.<\/li>\n

    <\/o1><\/p>\n

    \u1ee8ng D\u1ee5ng Th\u1ef1c T\u1ebf<\/h2>\n

    <\/p>\n

  • H\u1ec7 th\u1ed1ng \u0111i\u1ec1u h\u00f2a kh\u00f4ng kh\u00ed<\/b>: B\u1ed9 trao \u0111\u1ed5i nhi\u1ec7t gi\u00fap h\u1ea1 nhi\u1ec7t \u0111\u1ed9 c\u1ee7a kh\u00f4ng kh\u00ed n\u00f3ng v\u00e0 n\u00e2ng nhi\u1ec7t \u0111\u1ed9 c\u1ee7a kh\u00f4ng kh\u00ed l\u1ea1nh.<\/li>\n
  • \u00d4 t\u00f4<\/b>: S\u1eed d\u1ee5ng \u0111\u1ec3 l\u00e0m m\u00e1t \u0111\u1ed9ng c\u01a1, gi\u1ea3m nhi\u1ec7t \u0111\u1ed9 n\u01b0\u1edbc l\u00e0m m\u00e1t.<\/li>\n
  • Nh\u00e0 m\u00e1y \u0111i\u1ec7n<\/b>: Gi\u00fap t\u0103ng hi\u1ec7u su\u1ea5t chuy\u1ec3n \u0111\u1ed5i nhi\u1ec7t t\u1eeb l\u00f2 h\u01a1i v\u00e0o tuabin h\u01a1i.<\/li>\n

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

    \u0110\u1ebfn \u0111\u00e2y, hy v\u1ecdng b\u1ea1n \u0111\u00e3 c\u00f3 m\u1ed9t c\u00e1i nh\u00ecn t\u1ed5ng quan v\u1ec1 b\u1ed9 trao \u0111\u1ed5i nhi\u1ec7t. V\u1edbi c\u00e1c c\u01a1 ch\u1ebf \u0111\u01a1n gi\u1ea3n nh\u01b0ng hi\u1ec7u qu\u1ea3, ch\u00fang \u0111\u00e3 v\u00e0 \u0111ang \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong nhi\u1ec1u l\u0129nh v\u1ef1c kh\u00e1c nhau. N\u1ebfu b\u1ea1n c\u00f3 h\u1ee9ng th\u00fa, vi\u1ec7c ti\u1ebfp t\u1ee5c t\u00ecm hi\u1ec3u s\u00e2u h\u01a1n v\u1ec1 c\u00e1c lo\u1ea1i, nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng, v\u00e0 \u1ee9ng d\u1ee5ng c\u1ee7a ch\u00fang s\u1ebd mang \u0111\u1ebfn nhi\u1ec1u ki\u1ebfn th\u1ee9c h\u1eefu \u00edch.<\/p>\n","protected":false},"excerpt":{"rendered":"

    B\u1ed9 trao \u0111\u1ed5i nhi\u1ec7t l\u00e0 g\u00ec v\u00e0 ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o? H\u01b0\u1edbng d\u1eabn c\u01a1 b\u1ea3n v\u1ec1 nguy\u00ean l\u00fd v\u00e0 \u1ee9ng d\u1ee5ng c\u1ee7a b\u1ed9 trao \u0111\u1ed5i nhi\u1ec7t trong ng\u00e0nh nhi\u1ec7t k\u1ef9 thu\u1eadt.<\/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":"\nT\u00ecm Hi\u1ec3u V\u1ec1 B\u1ed9 Trao \u0110\u1ed5i Nhi\u1ec7t: H\u01b0\u1edbng D\u1eabn C\u01a1 B\u1ea3n<\/title>\n<meta name=\"description\" content=\"B\u1ed9 trao \u0111\u1ed5i nhi\u1ec7t l\u00e0 g\u00ec v\u00e0 ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o? H\u01b0\u1edbng d\u1eabn c\u01a1 b\u1ea3n v\u1ec1 nguy\u00ean l\u00fd v\u00e0 \u1ee9ng d\u1ee5ng c\u1ee7a b\u1ed9 trao \u0111\u1ed5i nhi\u1ec7t trong ng\u00e0nh nhi\u1ec7t k\u1ef9 thu\u1eadt.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.thermal-engineering.org\/vi\/tim-hieu-ve-bo-trao-doi-nhiet-huong-dan-co-ban\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"T\u00ecm Hi\u1ec3u V\u1ec1 B\u1ed9 Trao \u0110\u1ed5i Nhi\u1ec7t: H\u01b0\u1edbng D\u1eabn C\u01a1 B\u1ea3n\" \/>\n<meta property=\"og:description\" content=\"B\u1ed9 trao \u0111\u1ed5i nhi\u1ec7t l\u00e0 g\u00ec v\u00e0 ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o? H\u01b0\u1edbng d\u1eabn c\u01a1 b\u1ea3n v\u1ec1 nguy\u00ean l\u00fd v\u00e0 \u1ee9ng d\u1ee5ng c\u1ee7a b\u1ed9 trao \u0111\u1ed5i nhi\u1ec7t trong ng\u00e0nh nhi\u1ec7t k\u1ef9 thu\u1eadt.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.thermal-engineering.org\/vi\/tim-hieu-ve-bo-trao-doi-nhiet-huong-dan-co-ban\/\" \/>\n<meta property=\"og:site_name\" content=\"Thermal Engineering\" \/>\n<meta property=\"article:published_time\" content=\"2024-07-22T14:38:57+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/tim_hieu_ve_bo_trao_doi_nhiet_huong_dan_co_ban.png\" \/>\n<meta name=\"twitter:card\" content=\"summary\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\">\n\t<meta name=\"twitter:data1\" content=\"Nick Connor\">\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\">\n\t<meta name=\"twitter:data2\" content=\"4 minutes\">\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.thermal-engineering.org\/fr\/#website\",\"url\":\"https:\/\/www.thermal-engineering.org\/fr\/\",\"name\":\"Thermal Engineering\",\"description\":\"\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":\"https:\/\/www.thermal-engineering.org\/fr\/?s={search_term_string}\",\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"vi-VN\"},{\"@type\":\"ImageObject\",\"@id\":\"https:\/\/www.thermal-engineering.org\/vi\/tim-hieu-ve-bo-trao-doi-nhiet-huong-dan-co-ban\/#primaryimage\",\"inLanguage\":\"vi-VN\",\"url\":\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/tim_hieu_ve_bo_trao_doi_nhiet_huong_dan_co_ban.png\",\"width\":1000,\"height\":1000,\"caption\":\"T\\u00ecm Hi\\u1ec3u V\\u1ec1 B\\u1ed9 Trao \\u0110\\u1ed5i Nhi\\u1ec7t: H\\u01b0\\u1edbng D\\u1eabn C\\u01a1 B\\u1ea3n\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.thermal-engineering.org\/vi\/tim-hieu-ve-bo-trao-doi-nhiet-huong-dan-co-ban\/#webpage\",\"url\":\"https:\/\/www.thermal-engineering.org\/vi\/tim-hieu-ve-bo-trao-doi-nhiet-huong-dan-co-ban\/\",\"name\":\"T\\u00ecm Hi\\u1ec3u V\\u1ec1 B\\u1ed9 Trao \\u0110\\u1ed5i Nhi\\u1ec7t: H\\u01b0\\u1edbng D\\u1eabn C\\u01a1 B\\u1ea3n\",\"isPartOf\":{\"@id\":\"https:\/\/www.thermal-engineering.org\/fr\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.thermal-engineering.org\/vi\/tim-hieu-ve-bo-trao-doi-nhiet-huong-dan-co-ban\/#primaryimage\"},\"datePublished\":\"2024-07-22T14:38:57+00:00\",\"dateModified\":\"2024-07-22T14:38:57+00:00\",\"author\":{\"@id\":\"https:\/\/www.thermal-engineering.org\/fr\/#\/schema\/person\/e8c544db9afedaec8574d6464f9398bb\"},\"description\":\"B\\u1ed9 trao \\u0111\\u1ed5i nhi\\u1ec7t l\\u00e0 g\\u00ec v\\u00e0 ho\\u1ea1t \\u0111\\u1ed9ng nh\\u01b0 th\\u1ebf n\\u00e0o? 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