{"id":694000,"date":"2024-09-17T02:18:41","date_gmt":"2024-09-17T01:18:41","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=694000"},"modified":"2024-09-17T02:18:41","modified_gmt":"2024-09-17T01:18:41","slug":"polyvinyl-clorua-pvc-tinh-dan-nhiet-thap-cach-nhiet-hieu-qua","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/polyvinyl-clorua-pvc-tinh-dan-nhiet-thap-cach-nhiet-hieu-qua\/","title":{"rendered":"Polyvinyl Clorua (PVC) | T\u00ednh d\u1eabn nhi\u1ec7t th\u1ea5p, c\u00e1ch nhi\u1ec7t hi\u1ec7u qu\u1ea3"},"content":{"rendered":"<p class=\"sidekick\">Polyvinyl Clorua (PVC) | T\u00ednh d\u1eabn nhi\u1ec7t th\u1ea5p, c\u00e1ch nhi\u1ec7t hi\u1ec7u qu\u1ea3: Gi\u1ea3i th\u00edch t\u1ea1i sao PVC l\u00e0 m\u1ed9t v\u1eadt li\u1ec7u c\u00e1ch nhi\u1ec7t tuy\u1ec7t v\u1eddi v\u00e0 \u1ee9ng d\u1ee5ng c\u1ee7a n\u00f3 trong x\u00e2y d\u1ef1ng.<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/polyvinyl_clorua_pvc_tinh_dan_nhiet_thap_cach_nhiet_hieu_qua.png\" alt=\"Polyvinyl Clorua (PVC) | T\u00ednh d\u1eabn nhi\u1ec7t th\u1ea5p, c\u00e1ch nhi\u1ec7t hi\u1ec7u qu\u1ea3\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>Polyvinyl Clorua (PVC) | T\u00ednh d\u1eabn nhi\u1ec7t th\u1ea5p, c\u00e1ch nhi\u1ec7t hi\u1ec7u qu\u1ea3<\/h2>\n<p>Polyvinyl Clorua (PVC) l\u00e0 m\u1ed9t lo\u1ea1i polymer nh\u1ef1a \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p do c\u00f3 nhi\u1ec1u t\u00ednh ch\u1ea5t \u01b0u vi\u1ec7t. M\u1ed9t trong nh\u1eefng \u0111\u1eb7c \u0111i\u1ec3m n\u1ed5i b\u1eadt c\u1ee7a PVC l\u00e0 t\u00ednh d\u1eabn nhi\u1ec7t th\u1ea5p, khi\u1ebfn n\u00f3 tr\u1edf th\u00e0nh v\u1eadt li\u1ec7u c\u00e1ch nhi\u1ec7t hi\u1ec7u qu\u1ea3.<\/p>\n<h2>T\u00ednh d\u1eabn nhi\u1ec7t th\u1ea5p<\/h2>\n<p>T\u00ednh d\u1eabn nhi\u1ec7t c\u1ee7a m\u1ed9t v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c \u0111o b\u1eb1ng h\u1ec7 s\u1ed1 d\u1eabn nhi\u1ec7t (k), \u0111o l\u01b0\u1eddng l\u01b0\u1ee3ng nhi\u1ec7t truy\u1ec1n qua m\u1ed9t \u0111\u01a1n v\u1ecb di\u1ec7n t\u00edch v\u00e0 \u0111\u1ed9 d\u00e0y c\u1ee7a v\u1eadt li\u1ec7u \u0111\u00f3. \u0110\u1ed1i v\u1edbi PVC, h\u1ec7 s\u1ed1 d\u1eabn nhi\u1ec7t r\u1ea5t nh\u1ecf, ch\u1ec9 kho\u1ea3ng 0.16 &#8211; 0.19 W\/mK (Watt tr\u00ean m\u00e9t Kelvin). \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 PVC kh\u00f4ng truy\u1ec1n t\u1ea3i nhi\u1ec7t t\u1ed1t, gi\u00fap gi\u1eef nhi\u1ec7t \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh.<\/p>\n<p>C\u1ee5 th\u1ec3, c\u00f4ng th\u1ee9c t\u00ednh nhi\u1ec7t l\u01b0\u1ee3ng truy\u1ec1n qua v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c bi\u1ec3u di\u1ec5n nh\u01b0 sau:<\/p>\n<p><i>Q = -k \\cdot A \\cdot \\frac{\\Delta T}{d}<\/i><\/p>\n<ul>\n<li><b>Q<\/b>: Nhi\u1ec7t l\u01b0\u1ee3ng truy\u1ec1n qua (W)<\/li>\n<li><b>k<\/b>: H\u1ec7 s\u1ed1 d\u1eabn nhi\u1ec7t c\u1ee7a v\u1eadt li\u1ec7u (W\/mK)<\/li>\n<li><b>A<\/b>: Di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac (m<sup>2<\/sup>)<\/li>\n<li><b>\\Delta T<\/b>: Ch\u00eanh l\u1ec7ch nhi\u1ec7t \u0111\u1ed9 (K)<\/li>\n<li><b>d<\/b>: \u0110\u1ed9 d\u00e0y c\u1ee7a v\u1eadt li\u1ec7u (m)<\/li>\n<\/ul>\n<h2>C\u00e1ch nhi\u1ec7t hi\u1ec7u qu\u1ea3<\/h2>\n<p>Nh\u1edd t\u00ednh d\u1eabn nhi\u1ec7t th\u1ea5p, PVC \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m v\u1eadt li\u1ec7u c\u00e1ch nhi\u1ec7t trong nhi\u1ec1u \u1ee9ng d\u1ee5ng kh\u00e1c nhau. V\u00ed d\u1ee5, n\u00f3 \u0111\u01b0\u1ee3c d\u00f9ng trong \u1ed1ng d\u1eabn n\u01b0\u1edbc, \u1ed1ng d\u1eabn \u0111i\u1ec7n v\u00e0 c\u00e1c t\u1ea5m \u1ed1p t\u01b0\u1eddng. B\u1edfi v\u00ec PVC kh\u00f4ng d\u1ec5 d\u00e0ng truy\u1ec1n nhi\u1ec7t, n\u00f3 gi\u00fap gi\u1eef m\u1ee9c c\u00e1ch nhi\u1ec7t cao, gi\u1ea3m s\u1ef1 m\u1ea5t nhi\u1ec7t t\u1eeb h\u1ec7 th\u1ed1ng. \u0110i\u1ec1u n\u00e0y kh\u00f4ng ch\u1ec9 l\u00e0m cho c\u00e1c h\u1ec7 th\u1ed1ng ho\u1ea1t \u0111\u1ed9ng hi\u1ec7u qu\u1ea3 h\u01a1n m\u00e0 c\u00f2n ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng.<\/p>\n<p>M\u1ed9t s\u1ed1 v\u00ed d\u1ee5 v\u1ec1 \u1ee9ng d\u1ee5ng c\u1ee5 th\u1ec3 c\u1ee7a PVC trong c\u00e1ch nhi\u1ec7t bao g\u1ed3m:<\/p>\n<ol>\n<li><b>\u1ed0ng d\u1eabn n\u01b0\u1edbc v\u00e0 \u1ed1ng d\u1eabn \u0111i\u1ec7n:<\/b> PVC \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn trong h\u1ec7 th\u1ed1ng \u1ed1ng d\u1eabn v\u00ec kh\u1ea3 n\u0103ng c\u00e1ch nhi\u1ec7t c\u1ee7a n\u00f3, gi\u00fap ng\u0103n ch\u1eb7n s\u1ef1 truy\u1ec1n nhi\u1ec7t kh\u00f4ng mong mu\u1ed1n.<\/li>\n<li><b>C\u1eeda s\u1ed5 v\u00e0 c\u1eeda ra v\u00e0o:<\/b> C\u00e1c khung PVC gi\u00fap c\u00e1ch nhi\u1ec7t hi\u1ec7u qu\u1ea3, gi\u1eef nhi\u1ec7t \u0111\u1ed9 trong nh\u00e0 \u1ed5n \u0111\u1ecbnh.<\/li>\n<li><b>T\u1ea5m l\u1ee3p v\u00e0 t\u1ea5m \u1ed1p:<\/b> PVC \u0111\u01b0\u1ee3c d\u00f9ng trong c\u00e1c t\u1ea5m l\u1ee3p v\u00e0 t\u1ea5m \u1ed1p t\u01b0\u1eddng, gi\u00fap gi\u1eef nhi\u1ec7t \u0111\u1ed9 b\u00ean trong \u1ed5n \u0111\u1ecbnh v\u00e0 gi\u1ea3m n\u0103ng l\u01b0\u1ee3ng ti\u00eau th\u1ee5 cho vi\u1ec7c l\u00e0m m\u00e1t ho\u1eb7c s\u01b0\u1edfi \u1ea5m.<\/li>\n<\/ol>\n<p>Do nh\u1eefng \u01b0u \u0111i\u1ec3m n\u00e0y, PVC tr\u1edf th\u00e0nh v\u1eadt li\u1ec7u l\u1ef1a ch\u1ecdn h\u00e0ng \u0111\u1ea7u trong c\u00e1c \u1ee9ng d\u1ee5ng y\u00eau c\u1ea7u c\u00e1ch nhi\u1ec7t, gi\u00fap n\u00e2ng cao hi\u1ec7u qu\u1ea3 n\u0103ng l\u01b0\u1ee3ng v\u00e0 ti\u1ebft ki\u1ec7m chi ph\u00ed cho ng\u01b0\u1eddi s\u1eed d\u1ee5ng.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Polyvinyl Clorua (PVC) | T\u00ednh d\u1eabn nhi\u1ec7t th\u1ea5p, c\u00e1ch nhi\u1ec7t hi\u1ec7u qu\u1ea3: Gi\u1ea3i th\u00edch t\u1ea1i sao PVC l\u00e0 m\u1ed9t v\u1eadt li\u1ec7u c\u00e1ch nhi\u1ec7t tuy\u1ec7t v\u1eddi v\u00e0 \u1ee9ng d\u1ee5ng c\u1ee7a n\u00f3 trong x\u00e2y d\u1ef1ng.<\/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>Polyvinyl Clorua (PVC) | T\u00ednh d\u1eabn nhi\u1ec7t th\u1ea5p, c\u00e1ch nhi\u1ec7t hi\u1ec7u qu\u1ea3<\/title>\n<meta name=\"description\" content=\"Polyvinyl Clorua (PVC) | T\u00ednh d\u1eabn nhi\u1ec7t th\u1ea5p, c\u00e1ch nhi\u1ec7t hi\u1ec7u qu\u1ea3: Gi\u1ea3i th\u00edch t\u1ea1i sao PVC l\u00e0 m\u1ed9t v\u1eadt li\u1ec7u c\u00e1ch nhi\u1ec7t tuy\u1ec7t v\u1eddi v\u00e0 \u1ee9ng d\u1ee5ng c\u1ee7a n\u00f3 trong x\u00e2y d\u1ef1ng.\" \/>\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\/polyvinyl-clorua-pvc-tinh-dan-nhiet-thap-cach-nhiet-hieu-qua\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Polyvinyl Clorua (PVC) | T\u00ednh d\u1eabn nhi\u1ec7t th\u1ea5p, c\u00e1ch nhi\u1ec7t hi\u1ec7u qu\u1ea3\" \/>\n<meta property=\"og:description\" content=\"Polyvinyl Clorua (PVC) | T\u00ednh d\u1eabn nhi\u1ec7t th\u1ea5p, c\u00e1ch nhi\u1ec7t hi\u1ec7u qu\u1ea3: Gi\u1ea3i th\u00edch t\u1ea1i sao PVC l\u00e0 m\u1ed9t v\u1eadt li\u1ec7u c\u00e1ch nhi\u1ec7t tuy\u1ec7t v\u1eddi v\u00e0 \u1ee9ng d\u1ee5ng c\u1ee7a n\u00f3 trong x\u00e2y d\u1ef1ng.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.thermal-engineering.org\/vi\/polyvinyl-clorua-pvc-tinh-dan-nhiet-thap-cach-nhiet-hieu-qua\/\" \/>\n<meta property=\"og:site_name\" content=\"Thermal Engineering\" \/>\n<meta property=\"article:published_time\" content=\"2024-09-17T01:18:41+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/polyvinyl_clorua_pvc_tinh_dan_nhiet_thap_cach_nhiet_hieu_qua.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=\"3 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\/polyvinyl-clorua-pvc-tinh-dan-nhiet-thap-cach-nhiet-hieu-qua\/#primaryimage\",\"inLanguage\":\"vi-VN\",\"url\":\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/polyvinyl_clorua_pvc_tinh_dan_nhiet_thap_cach_nhiet_hieu_qua.png\",\"width\":1000,\"height\":1000,\"caption\":\"Polyvinyl Clorua (PVC) | T\\u00ednh d\\u1eabn nhi\\u1ec7t th\\u1ea5p, c\\u00e1ch nhi\\u1ec7t hi\\u1ec7u qu\\u1ea3\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.thermal-engineering.org\/vi\/polyvinyl-clorua-pvc-tinh-dan-nhiet-thap-cach-nhiet-hieu-qua\/#webpage\",\"url\":\"https:\/\/www.thermal-engineering.org\/vi\/polyvinyl-clorua-pvc-tinh-dan-nhiet-thap-cach-nhiet-hieu-qua\/\",\"name\":\"Polyvinyl Clorua (PVC) | T\\u00ednh d\\u1eabn nhi\\u1ec7t th\\u1ea5p, c\\u00e1ch nhi\\u1ec7t hi\\u1ec7u qu\\u1ea3\",\"isPartOf\":{\"@id\":\"https:\/\/www.thermal-engineering.org\/fr\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.thermal-engineering.org\/vi\/polyvinyl-clorua-pvc-tinh-dan-nhiet-thap-cach-nhiet-hieu-qua\/#primaryimage\"},\"datePublished\":\"2024-09-17T01:18:41+00:00\",\"dateModified\":\"2024-09-17T01:18:41+00:00\",\"author\":{\"@id\":\"https:\/\/www.thermal-engineering.org\/fr\/#\/schema\/person\/e8c544db9afedaec8574d6464f9398bb\"},\"description\":\"Polyvinyl Clorua (PVC) | T\\u00ednh d\\u1eabn nhi\\u1ec7t th\\u1ea5p, c\\u00e1ch nhi\\u1ec7t hi\\u1ec7u qu\\u1ea3: Gi\\u1ea3i th\\u00edch t\\u1ea1i sao PVC l\\u00e0 m\\u1ed9t v\\u1eadt li\\u1ec7u c\\u00e1ch nhi\\u1ec7t tuy\\u1ec7t v\\u1eddi v\\u00e0 \\u1ee9ng d\\u1ee5ng c\\u1ee7a n\\u00f3 trong x\\u00e2y d\\u1ef1ng.\",\"inLanguage\":\"vi-VN\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.thermal-engineering.org\/vi\/polyvinyl-clorua-pvc-tinh-dan-nhiet-thap-cach-nhiet-hieu-qua\/\"]}]},{\"@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\/694000"}],"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=694000"}],"version-history":[{"count":0,"href":"https:\/\/www.thermal-engineering.org\/vi\/wp-json\/wp\/v2\/posts\/694000\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.thermal-engineering.org\/vi\/wp-json\/wp\/v2\/media?parent=694000"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.thermal-engineering.org\/vi\/wp-json\/wp\/v2\/categories?post=694000"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.thermal-engineering.org\/vi\/wp-json\/wp\/v2\/tags?post=694000"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}