{"id":693256,"date":"2024-07-29T05:51:53","date_gmt":"2024-07-29T04:51:53","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=693256"},"modified":"2024-07-29T05:51:53","modified_gmt":"2024-07-29T04:51:53","slug":"pvc-foam-cach-nhiet-ket-cau-nhe","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/pvc-foam-cach-nhiet-ket-cau-nhe\/","title":{"rendered":"PVC Foam | C\u00e1ch Nhi\u1ec7t, K\u1ebft C\u1ea5u Nh\u1eb9"},"content":{"rendered":"<p class=\"sidekick\">C\u00e1ch nhi\u1ec7t PVC foam | K\u1ebft c\u1ea5u nh\u1eb9, b\u1ea3o \u00f4n hi\u1ec7u qu\u1ea3 | T\u00ecm hi\u1ec3u \u1ee9ng d\u1ee5ng, \u0111\u1eb7c t\u00ednh v\u00e0 l\u1ee3i \u00edch c\u1ee7a ch\u1ea5t li\u1ec7u c\u00e1ch nhi\u1ec7t ph\u1ed5 bi\u1ebfn n\u00e0y trong x\u00e2y d\u1ef1ng.<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/pvc_foam_cach_nhiet_ket_cau_nhe.png\" alt=\"PVC Foam | C\u00e1ch Nhi\u1ec7t, K\u1ebft C\u1ea5u Nh\u1eb9\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>PVC Foam | C\u00e1ch Nhi\u1ec7t, K\u1ebft C\u1ea5u Nh\u1eb9<\/h2>\n<p>PVC foam, hay c\u00f2n g\u1ecdi l\u00e0 v\u1eadt li\u1ec7u x\u1ed1p PVC, l\u00e0 m\u1ed9t lo\u1ea1i nh\u1ef1a Polyvinyl Chloride \u0111\u01b0\u1ee3c t\u1ea1o th\u00e0nh v\u1edbi c\u1ea5u tr\u00fac x\u1ed1p. \u0110\u00e2y l\u00e0 v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong ng\u00e0nh x\u00e2y d\u1ef1ng v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p nh\u1edd v\u00e0o c\u00e1c \u0111\u1eb7c t\u00ednh \u01b0u vi\u1ec7t nh\u01b0 c\u00e1ch nhi\u1ec7t v\u00e0 k\u1ebft c\u1ea5u nh\u1eb9.<\/p>\n<h2>\u01afu \u0110i\u1ec3m C\u1ee7a PVC Foam<\/h2>\n<ul>\n<li><b>C\u00e1ch Nhi\u1ec7t:<\/b> PVC foam c\u00f3 kh\u1ea3 n\u0103ng c\u00e1ch nhi\u1ec7t t\u1ed1t, gi\u00fap gi\u1eef nhi\u1ec7t \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh trong c\u00e1c c\u00f4ng tr\u00ecnh x\u00e2y d\u1ef1ng v\u00e0 ng\u0103n ch\u1eb7n s\u1ef1 truy\u1ec1n nhi\u1ec7t hi\u1ec7u qu\u1ea3.<\/li>\n<li><b>K\u1ebft C\u1ea5u Nh\u1eb9:<\/b> V\u1edbi c\u1ea5u tr\u00fac x\u1ed1p, PVC foam r\u1ea5t nh\u1eb9, gi\u00fap gi\u1ea3m t\u1ea3i tr\u1ecdng cho c\u00f4ng tr\u00ecnh v\u00e0 d\u1ec5 d\u00e0ng v\u1eadn chuy\u1ec3n.<\/li>\n<li><b>Ch\u1ed1ng N\u01b0\u1edbc v\u00e0 Ch\u1ed1ng \u0102n M\u00f2n:<\/b> PVC foam kh\u00f4ng th\u1ea5m n\u01b0\u1edbc v\u00e0 kh\u00e1ng h\u00f3a ch\u1ea5t t\u1ed1t, gi\u00fap k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd c\u1ee7a v\u1eadt li\u1ec7u.<\/li>\n<li><b>D\u1ec5 Gia C\u00f4ng:<\/b> PVC foam c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng c\u1eaft, khoan, v\u00e0 t\u1ea1o h\u00ecnh theo nhu c\u1ea7u s\u1eed d\u1ee5ng.<\/li>\n<li><b>Gi\u00e1 Th\u00e0nh H\u1ee3p L\u00fd:<\/b> So v\u1edbi nhi\u1ec1u v\u1eadt li\u1ec7u kh\u00e1c nh\u01b0 g\u1ed7 v\u00e0 kim lo\u1ea1i, PVC foam c\u00f3 chi ph\u00ed h\u1ee3p l\u00fd h\u01a1n.<\/li>\n<\/ul>\n<h2>C\u01a1 Ch\u1ebf C\u00e1ch Nhi\u1ec7t C\u1ee7a PVC Foam<\/h2>\n<p>PVC foam c\u00e1ch nhi\u1ec7t nh\u1edd v\u00e0o c\u1ea5u tr\u00fac x\u1ed1p b\u00ean trong. C\u00e1c l\u1ed7 x\u1ed1p n\u00e0y ch\u1ee9a kh\u00f4ng kh\u00ed, m\u1ed9t ch\u1ea5t kh\u00ed c\u00f3 h\u1ec7 s\u1ed1 d\u1eabn nhi\u1ec7t th\u1ea5p. Ch\u00ednh v\u00ec th\u1ebf, vi\u1ec7c truy\u1ec1n nhi\u1ec7t qua PVC foam b\u1ecb gi\u1ea3m \u0111i \u0111\u00e1ng k\u1ec3. C\u00e1ch nhi\u1ec7t c\u1ee7a v\u1eadt li\u1ec7u c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u00ednh theo c\u00f4ng th\u1ee9c:<\/p>\n<p>\\[<br \/>\nR = \\frac{L}{k}<br \/>\n\\]\n<p>Trong \u0111\u00f3:<\/p>\n<ol>\n<li><b>R:<\/b> H\u1ec7 s\u1ed1 c\u00e1ch nhi\u1ec7t (m\u00b2K\/W)<\/li>\n<li><b>L:<\/b> \u0110\u1ed9 d\u00e0y c\u1ee7a v\u1eadt li\u1ec7u (m)<\/li>\n<li><b>k:<\/b> H\u1ec7 s\u1ed1 d\u1eabn nhi\u1ec7t c\u1ee7a v\u1eadt li\u1ec7u (W\/mK)<\/li>\n<\/ol>\n<p>V\u1edbi m\u1ee9c \u0111\u1ed9 d\u1eabn nhi\u1ec7t th\u1ea5p, PVC foam \u0111\u1ea3m b\u1ea3o r\u1eb1ng nhi\u1ec7t \u0111\u1ed9 b\u00ean trong c\u00e1c c\u00f4ng tr\u00ecnh lu\u00f4n gi\u1eef \u0111\u01b0\u1ee3c t\u00ednh \u1ed5n \u0111\u1ecbnh, kh\u00f4ng b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi nhi\u1ec7t \u0111\u1ed9 b\u00ean ngo\u00e0i.<\/p>\n<h2>\u1ee8ng D\u1ee5ng Th\u1ef1c T\u1ebf<\/h2>\n<p>PVC foam \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng r\u1ed9ng r\u00e3i trong nhi\u1ec1u l\u0129nh v\u1ef1c kh\u00e1c nhau, bao g\u1ed3m:<\/p>\n<ul>\n<li><b>X\u00e2y D\u1ef1ng:<\/b> S\u1eed d\u1ee5ng trong c\u00e1c v\u1eadt li\u1ec7u c\u00e1ch nhi\u1ec7t cho t\u01b0\u1eddng, tr\u1ea7n nh\u00e0 v\u00e0 s\u00e0n nh\u00e0.<\/li>\n<li><b>C\u00f4ng Nghi\u1ec7p:<\/b> S\u1ea3n xu\u1ea5t c\u00e1c t\u1ea5m ch\u1eafn c\u00e1ch nhi\u1ec7t cho c\u00e1c thi\u1ebft b\u1ecb, \u1ed1ng d\u1eabn v\u00e0 h\u1ec7 th\u1ed1ng HVAC.<\/li>\n<li><b>Qu\u1ea3ng C\u00e1o:<\/b> S\u1eed d\u1ee5ng l\u00e0m b\u1ea3ng hi\u1ec7u, bi\u1ec3n qu\u1ea3ng c\u00e1o nh\u1edd v\u00e0o b\u1ec1 m\u1eb7t ph\u1eb3ng v\u00e0 d\u1ec5 gia c\u00f4ng.<\/li>\n<li><b>\u0110\u00f3ng T\u00e0u:<\/b> D\u00f9ng l\u00e0m v\u1eadt li\u1ec7u k\u1ebft c\u1ea5u nh\u1eb9 cho v\u1ecf t\u00e0u v\u00e0 c\u00e1c b\u1ed9 ph\u1eadn c\u1ea7n ch\u1ecbu \u0111\u01b0\u1ee3c th\u1eddi ti\u1ebft kh\u1eafc nghi\u1ec7t.<\/li>\n<\/ul>\n<p>Nh\u1edd v\u00e0o nh\u1eefng \u01b0u \u0111i\u1ec3m v\u01b0\u1ee3t tr\u1ed9i, PVC foam ng\u00e0y c\u00e0ng \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng r\u1ed9ng r\u00e3i v\u00e0 tr\u1edf th\u00e0nh m\u1ed9t trong nh\u1eefng v\u1eadt li\u1ec7u kh\u00f4ng th\u1ec3 thi\u1ebfu trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p hi\u1ec7n \u0111\u1ea1i.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>C\u00e1ch nhi\u1ec7t PVC foam | K\u1ebft c\u1ea5u nh\u1eb9, b\u1ea3o \u00f4n hi\u1ec7u qu\u1ea3 | T\u00ecm hi\u1ec3u \u1ee9ng d\u1ee5ng, \u0111\u1eb7c t\u00ednh v\u00e0 l\u1ee3i \u00edch c\u1ee7a ch\u1ea5t li\u1ec7u c\u00e1ch nhi\u1ec7t ph\u1ed5 bi\u1ebfn n\u00e0y 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>PVC Foam | C\u00e1ch Nhi\u1ec7t, K\u1ebft C\u1ea5u Nh\u1eb9<\/title>\n<meta name=\"description\" content=\"C\u00e1ch nhi\u1ec7t PVC 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