{"id":675049,"date":"2024-11-04T07:14:51","date_gmt":"2024-11-04T06:14:51","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=675049"},"modified":"2024-11-04T07:14:51","modified_gmt":"2024-11-04T06:14:51","slug":"phan-tich-hieu-suat-cua-bo-trao-doi-nhiet","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/phan-tich-hieu-suat-cua-bo-trao-doi-nhiet\/","title":{"rendered":"Ph\u00e2n t\u00edch hi\u1ec7u su\u1ea5t c\u1ee7a b\u1ed9 trao \u0111\u1ed5i nhi\u1ec7t"},"content":{"rendered":"<p class=\"sidekick\">Ph\u00e2n t\u00edch hi\u1ec7u su\u1ea5t c\u1ee7a b\u1ed9 trao \u0111\u1ed5i nhi\u1ec7t trong h\u1ec7 th\u1ed1ng nhi\u1ec7t, t\u00ecm hi\u1ec3u c\u00e1c y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng v\u00e0 c\u00e1ch t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t \u0111\u1ec3 ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng.<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/phan_tich_hieu_suat_cua_bo_trao_doi_nhiet.png\" alt=\"Ph\u00e2n t\u00edch hi\u1ec7u su\u1ea5t c\u1ee7a b\u1ed9 trao \u0111\u1ed5i nhi\u1ec7t\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>Ph\u00e2n T\u00edch Hi\u1ec7u Su\u1ea5t c\u1ee7a B\u1ed9 Trao \u0110\u1ed5i Nhi\u1ec7t<\/h2>\n<p>B\u1ed9 trao \u0111\u1ed5i nhi\u1ec7t l\u00e0 m\u1ed9t thi\u1ebft b\u1ecb quan tr\u1ecdng trong nhi\u1ec1u h\u1ec7 th\u1ed1ng nhi\u1ec7t k\u1ef9 thu\u1eadt, t\u1eeb c\u00e1c nh\u00e0 m\u00e1y \u0111i\u1ec7n \u0111\u1ebfn c\u00e1c h\u1ec7 th\u1ed1ng \u0111i\u1ec1u h\u00f2a kh\u00f4ng kh\u00ed. Hi\u1ec7u su\u1ea5t c\u1ee7a b\u1ed9 trao \u0111\u1ed5i nhi\u1ec7t \u1ea3nh h\u01b0\u1edfng l\u1edbn \u0111\u1ebfn hi\u1ec7u qu\u1ea3 n\u0103ng l\u01b0\u1ee3ng v\u00e0 chi ph\u00ed v\u1eadn h\u00e0nh c\u1ee7a h\u1ec7 th\u1ed1ng. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd ph\u00e2n t\u00edch c\u00e1c y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u su\u1ea5t c\u1ee7a b\u1ed9 trao \u0111\u1ed5i nhi\u1ec7t.<\/p>\n<h2>B\u1ed9 Trao \u0110\u1ed5i Nhi\u1ec7t L\u00e0 G\u00ec?<\/h2>\n<p>B\u1ed9 trao \u0111\u1ed5i nhi\u1ec7t l\u00e0 thi\u1ebft b\u1ecb d\u00f9ng \u0111\u1ec3 truy\u1ec1n nhi\u1ec7t t\u1eeb m\u1ed9t m\u00f4i ch\u1ea5t n\u00e0y sang m\u1ed9t m\u00f4i ch\u1ea5t kh\u00e1c m\u00e0 kh\u00f4ng cho ph\u00e9p ch\u00fang ti\u1ebfp x\u00fac tr\u1ef1c ti\u1ebfp. Ch\u00fang th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 l\u00e0m n\u00f3ng ho\u1eb7c l\u00e0m l\u1ea1nh m\u1ed9t m\u00f4i ch\u1ea5t c\u1ee5 th\u1ec3, khai th\u00e1c nhi\u1ec7t t\u1eeb m\u1ed9t quy tr\u00ecnh ho\u1eb7c thi\u1ebft b\u1ecb v\u00e0 s\u1eed d\u1ee5ng n\u00f3 trong m\u1ed9t quy tr\u00ecnh kh\u00e1c.<\/p>\n<h2>Hi\u1ec7u Su\u1ea5t c\u1ee7a B\u1ed9 Trao \u0110\u1ed5i Nhi\u1ec7t<\/h2>\n<p>Hi\u1ec7u su\u1ea5t c\u1ee7a b\u1ed9 trao \u0111\u1ed5i nhi\u1ec7t c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a b\u1eb1ng nhi\u1ec1u c\u00e1ch kh\u00e1c nhau, tuy nhi\u00ean, m\u1ed9t trong nh\u1eefng ph\u01b0\u01a1ng ph\u00e1p ph\u1ed5 bi\u1ebfn l\u00e0 s\u1eed d\u1ee5ng h\u1ec7 s\u1ed1 truy\u1ec1n nhi\u1ec7t t\u1ed5ng qu\u00e1t (U), di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t trao \u0111\u1ed5i nhi\u1ec7t (A), v\u00e0 s\u1ef1 ch\u00eanh l\u1ec7ch nhi\u1ec7t \u0111\u1ed9 trung b\u00ecnh logarit (\u0394T<sub>ml<\/sub>).<\/p>\n<p>Ph\u01b0\u01a1ng tr\u00ecnh c\u01a1 b\u1ea3n \u0111\u1ec3 t\u00ednh to\u00e1n nhi\u1ec7t l\u01b0\u1ee3ng truy\u1ec1n qua b\u1ed9 trao \u0111\u1ed5i nhi\u1ec7t l\u00e0:<\/p>\n<p><b>Q = U * A * \u0394T<sub>ml<\/sub><\/b><\/p>\n<p>Trong \u0111\u00f3:<\/p>\n<p><u1><\/p>\n<li>Q: Nhi\u1ec7t l\u01b0\u1ee3ng truy\u1ec1n qua b\u1ed9 trao \u0111\u1ed5i nhi\u1ec7t<\/li>\n<li>U: H\u1ec7 s\u1ed1 truy\u1ec1n nhi\u1ec7t t\u1ed5ng qu\u00e1t<\/li>\n<li>A: Di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t trao \u0111\u1ed5i nhi\u1ec7t<\/li>\n<li>\u0394T<sub>ml<\/sub>: S\u1ef1 ch\u00eanh l\u1ec7ch nhi\u1ec7t \u0111\u1ed9 trung b\u00ecnh logarit<\/li>\n<p><\/u1><\/p>\n<h2>H\u1ec7 S\u1ed1 Truy\u1ec1n Nhi\u1ec7t T\u1ed5ng Qu\u00e1t (U)<\/h2>\n<p>H\u1ec7 s\u1ed1 truy\u1ec1n nhi\u1ec7t t\u1ed5ng qu\u00e1t, U, l\u00e0 m\u1ed9t ch\u1ec9 s\u1ed1 quan tr\u1ecdng, \u0111\u1ecbnh l\u01b0\u1ee3ng kh\u1ea3 n\u0103ng truy\u1ec1n nhi\u1ec7t c\u1ee7a b\u1ed9 trao \u0111\u1ed5i nhi\u1ec7t. N\u00f3 ph\u1ee5 thu\u1ed9c v\u00e0o nhi\u1ec1u y\u1ebfu t\u1ed1 nh\u01b0 t\u00ednh ch\u1ea5t v\u1eadt li\u1ec7u, \u0111\u1ed9 d\u1eabn nhi\u1ec7t c\u1ee7a c\u00e1c b\u1ec1 m\u1eb7t trao \u0111\u1ed5i nhi\u1ec7t, v\u00e0 c\u00e1c \u0111i\u1ec1u ki\u1ec7n d\u00f2ng ch\u1ea3y c\u1ee7a c\u00e1c m\u00f4i ch\u1ea5t.<\/p>\n<h2>Ch\u00eanh L\u1ec7ch Nhi\u1ec7t \u0110\u1ed9 Trung B\u00ecnh Logarit (\u0394T<sub>ml<\/sub>)<\/h2>\n<p>Ch\u00eanh l\u1ec7ch nhi\u1ec7t \u0111\u1ed9 trung b\u00ecnh logarit \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 t\u00ednh to\u00e1n nhi\u1ec7t l\u01b0\u1ee3ng truy\u1ec1n khi nhi\u1ec7t \u0111\u1ed9 thay \u0111\u1ed5i theo su\u1ed1t chi\u1ec1u d\u00e0i c\u1ee7a b\u1ed9 trao \u0111\u1ed5i nhi\u1ec7t. N\u00f3 \u0111\u01b0\u1ee3c t\u00ednh b\u1eb1ng c\u00f4ng th\u1ee9c:<\/p>\n<p><b>\u0394T<sub>ml<\/sub> = \\frac{(\u0394T<sub>1<\/sub> &#8211; \u0394T<sub>2<\/sub>)}{ln(\\frac{\u0394T<sub>1<\/sub>}{\u0394T<sub>2<\/sub>})}<\/b><\/p>\n<p>Trong \u0111\u00f3:<\/p>\n<p><u1><\/p>\n<li>\u0394T<sub>1<\/sub>: S\u1ef1 ch\u00eanh l\u1ec7ch nhi\u1ec7t \u0111\u1ed9 \u0111\u1ea7u v\u00e0o<\/li>\n<li>\u0394T<sub>2<\/sub>: S\u1ef1 ch\u00eanh l\u1ec7ch nhi\u1ec7t \u0111\u1ed9 \u0111\u1ea7u ra<\/li>\n<p><\/u1><\/p>\n<h2>C\u00e1c Y\u1ebfu T\u1ed1 \u1ea2nh H\u01b0\u1edfng \u0110\u1ebfn Hi\u1ec7u Su\u1ea5t<\/h2>\n<p>Nhi\u1ec1u y\u1ebfu t\u1ed1 c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u su\u1ea5t c\u1ee7a b\u1ed9 trao \u0111\u1ed5i nhi\u1ec7t:<\/p>\n<p><o1><\/p>\n<li>Ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 t\u1ed1c \u0111\u1ed9 d\u00f2ng ch\u1ea3y c\u1ee7a m\u00f4i ch\u1ea5t<\/li>\n<li>Lo\u1ea1i v\u00e0 c\u1ea5u h\u00ecnh c\u1ee7a b\u1ed9 trao \u0111\u1ed5i nhi\u1ec7t (\u1ed1ng ch\u00f9m, t\u1ea5m, xo\u1eafn \u1ed1c, &#8230;)<\/li>\n<li>\u0110\u1ed9 d\u00e0y v\u00e0 \u0111\u1ed9 s\u1ea1ch c\u1ee7a c\u00e1c b\u1ec1 m\u1eb7t trao \u0111\u1ed5i nhi\u1ec7t<\/li>\n<li>C\u00e1c y\u1ebfu t\u1ed1 ngo\u1ea1i c\u1ea3nh nh\u01b0 nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u00e1p su\u1ea5t m\u00f4i tr\u01b0\u1eddng<\/li>\n<p><\/o1><\/p>\n<h2>K\u1ebft Lu\u1eadn<\/h2>\n<p>Hi\u1ec3u v\u00e0 t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t c\u1ee7a b\u1ed9 trao \u0111\u1ed5i nhi\u1ec7t l\u00e0 m\u1ed9t y\u1ebfu t\u1ed1 quan tr\u1ecdng trong vi\u1ec7c c\u1ea3i thi\u1ec7n hi\u1ec7u qu\u1ea3 n\u0103ng l\u01b0\u1ee3ng c\u1ee7a c\u00e1c h\u1ec7 th\u1ed1ng nhi\u1ec7t k\u1ef9 thu\u1eadt. B\u1eb1ng c\u00e1ch ph\u00e2n t\u00edch chi ti\u1ebft c\u00e1c y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng v\u00e0 s\u1eed d\u1ee5ng c\u00e1c ph\u01b0\u01a1ng ph\u00e1p t\u00ednh to\u00e1n h\u1ee3p l\u00fd, ta c\u00f3 th\u1ec3 n\u00e2ng cao hi\u1ec7u su\u1ea5t c\u1ee7a b\u1ed9 trao \u0111\u1ed5i nhi\u1ec7t, gi\u1ea3m chi ph\u00ed v\u1eadn h\u00e0nh v\u00e0 h\u1ea1n ch\u1ebf ti\u00eau th\u1ee5 n\u0103ng l\u01b0\u1ee3ng.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ph\u00e2n t\u00edch hi\u1ec7u su\u1ea5t c\u1ee7a b\u1ed9 trao \u0111\u1ed5i nhi\u1ec7t trong h\u1ec7 th\u1ed1ng nhi\u1ec7t, t\u00ecm hi\u1ec3u c\u00e1c y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng v\u00e0 c\u00e1ch t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t \u0111\u1ec3 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":"<!-- This site is optimized with the Yoast SEO plugin v15.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Ph\u00e2n t\u00edch hi\u1ec7u su\u1ea5t c\u1ee7a b\u1ed9 trao \u0111\u1ed5i nhi\u1ec7t<\/title>\n<meta name=\"description\" content=\"Ph\u00e2n t\u00edch hi\u1ec7u su\u1ea5t c\u1ee7a b\u1ed9 trao \u0111\u1ed5i nhi\u1ec7t trong h\u1ec7 th\u1ed1ng nhi\u1ec7t, t\u00ecm hi\u1ec3u c\u00e1c y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng v\u00e0 c\u00e1ch t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t \u0111\u1ec3 ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng.\" \/>\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\/phan-tich-hieu-suat-cua-bo-trao-doi-nhiet\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Ph\u00e2n t\u00edch hi\u1ec7u su\u1ea5t c\u1ee7a b\u1ed9 trao \u0111\u1ed5i nhi\u1ec7t\" \/>\n<meta property=\"og:description\" content=\"Ph\u00e2n t\u00edch hi\u1ec7u su\u1ea5t c\u1ee7a b\u1ed9 trao \u0111\u1ed5i nhi\u1ec7t trong h\u1ec7 th\u1ed1ng nhi\u1ec7t, t\u00ecm hi\u1ec3u c\u00e1c y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng v\u00e0 c\u00e1ch t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t \u0111\u1ec3 ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.thermal-engineering.org\/vi\/phan-tich-hieu-suat-cua-bo-trao-doi-nhiet\/\" \/>\n<meta property=\"og:site_name\" content=\"Thermal Engineering\" \/>\n<meta property=\"article:published_time\" content=\"2024-11-04T06:14:51+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/phan_tich_hieu_suat_cua_bo_trao_doi_nhiet.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\/phan-tich-hieu-suat-cua-bo-trao-doi-nhiet\/#primaryimage\",\"inLanguage\":\"vi-VN\",\"url\":\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/phan_tich_hieu_suat_cua_bo_trao_doi_nhiet.png\",\"width\":1000,\"height\":1000,\"caption\":\"Ph\\u00e2n t\\u00edch hi\\u1ec7u su\\u1ea5t c\\u1ee7a b\\u1ed9 trao \\u0111\\u1ed5i nhi\\u1ec7t\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.thermal-engineering.org\/vi\/phan-tich-hieu-suat-cua-bo-trao-doi-nhiet\/#webpage\",\"url\":\"https:\/\/www.thermal-engineering.org\/vi\/phan-tich-hieu-suat-cua-bo-trao-doi-nhiet\/\",\"name\":\"Ph\\u00e2n t\\u00edch hi\\u1ec7u su\\u1ea5t c\\u1ee7a b\\u1ed9 trao \\u0111\\u1ed5i nhi\\u1ec7t\",\"isPartOf\":{\"@id\":\"https:\/\/www.thermal-engineering.org\/fr\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.thermal-engineering.org\/vi\/phan-tich-hieu-suat-cua-bo-trao-doi-nhiet\/#primaryimage\"},\"datePublished\":\"2024-11-04T06:14:51+00:00\",\"dateModified\":\"2024-11-04T06:14:51+00:00\",\"author\":{\"@id\":\"https:\/\/www.thermal-engineering.org\/fr\/#\/schema\/person\/e8c544db9afedaec8574d6464f9398bb\"},\"description\":\"Ph\\u00e2n t\\u00edch hi\\u1ec7u su\\u1ea5t c\\u1ee7a b\\u1ed9 trao \\u0111\\u1ed5i nhi\\u1ec7t trong h\\u1ec7 th\\u1ed1ng nhi\\u1ec7t, t\\u00ecm hi\\u1ec3u c\\u00e1c y\\u1ebfu t\\u1ed1 \\u1ea3nh h\\u01b0\\u1edfng v\\u00e0 c\\u00e1ch t\\u1ed1i \\u01b0u h\\u00f3a hi\\u1ec7u su\\u1ea5t \\u0111\\u1ec3 ti\\u1ebft ki\\u1ec7m n\\u0103ng l\\u01b0\\u1ee3ng.\",\"inLanguage\":\"vi-VN\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.thermal-engineering.org\/vi\/phan-tich-hieu-suat-cua-bo-trao-doi-nhiet\/\"]}]},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.thermal-engineering.org\/fr\/#\/schema\/person\/e8c544db9afedaec8574d6464f9398bb\",\"name\":\"Nick Connor\",\"image\":{\"@type\":\"ImageObject\",\"@id\":\"https:\/\/www.thermal-engineering.org\/fr\/#personlogo\",\"inLanguage\":\"vi-VN\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/84c0dec310b44b65da29dc9df6925239?s=96&d=mm&r=g\",\"caption\":\"Nick Connor\"}}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","_links":{"self":[{"href":"https:\/\/www.thermal-engineering.org\/vi\/wp-json\/wp\/v2\/posts\/675049"}],"collection":[{"href":"https:\/\/www.thermal-engineering.org\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.thermal-engineering.org\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.thermal-engineering.org\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.thermal-engineering.org\/vi\/wp-json\/wp\/v2\/comments?post=675049"}],"version-history":[{"count":0,"href":"https:\/\/www.thermal-engineering.org\/vi\/wp-json\/wp\/v2\/posts\/675049\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.thermal-engineering.org\/vi\/wp-json\/wp\/v2\/media?parent=675049"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.thermal-engineering.org\/vi\/wp-json\/wp\/v2\/categories?post=675049"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.thermal-engineering.org\/vi\/wp-json\/wp\/v2\/tags?post=675049"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}