{"id":710218,"date":"2024-09-24T04:33:22","date_gmt":"2024-09-24T03:33:22","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=710218"},"modified":"2024-09-24T04:33:22","modified_gmt":"2024-09-24T03:33:22","slug":"hieu-suat-nhiet-cua-cac-bo-kinh-cach-nhiet","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/hieu-suat-nhiet-cua-cac-bo-kinh-cach-nhiet\/","title":{"rendered":"Hi\u1ec7u su\u1ea5t nhi\u1ec7t c\u1ee7a c\u00e1c b\u1ed9 k\u00ednh c\u00e1ch nhi\u1ec7t"},"content":{"rendered":"

Hi\u1ec7u su\u1ea5t nhi\u1ec7t c\u1ee7a c\u00e1c b\u1ed9 k\u00ednh c\u00e1ch nhi\u1ec7t: T\u00ecm hi\u1ec3u c\u00e1ch c\u00e1c lo\u1ea1i k\u00ednh ti\u00ean ti\u1ebfn gi\u00fap ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng v\u00e0 c\u1ea3i thi\u1ec7n s\u1ef1 tho\u1ea3i m\u00e1i trong ng\u00f4i nh\u00e0 c\u1ee7a b\u1ea1n.<\/p>\n

\"Hi\u1ec7u<\/p>\n

Hi\u1ec7u Su\u1ea5t Nhi\u1ec7t C\u1ee7a C\u00e1c B\u1ed9 K\u00ednh C\u00e1ch Nhi\u1ec7t<\/h2>\n

K\u00ednh c\u00e1ch nhi\u1ec7t l\u00e0 m\u1ed9t trong nh\u1eefng gi\u1ea3i ph\u00e1p quan tr\u1ecdng \u0111\u1ec3 duy tr\u00ec nhi\u1ec7t \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh trong c\u00e1c t\u00f2a nh\u00e0, g\u00f3p ph\u1ea7n ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng v\u00e0 n\u00e2ng cao hi\u1ec7u su\u1ea5t nhi\u1ec7t. Hi\u1ec7u su\u1ea5t nhi\u1ec7t c\u1ee7a c\u00e1c b\u1ed9 k\u00ednh c\u00e1ch nhi\u1ec7t \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 d\u1ef1a tr\u00ean kh\u1ea3 n\u0103ng gi\u1ea3m th\u1ea5t tho\u00e1t nhi\u1ec7t v\u00e0 c\u1ea3i thi\u1ec7n vi\u1ec7c gi\u1eef nhi\u1ec7t \u0111\u1ed9 mong mu\u1ed1n b\u00ean trong kh\u00f4ng gian s\u1eed d\u1ee5ng.<\/p>\n

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

K\u00ednh c\u00e1ch nhi\u1ec7t th\u01b0\u1eddng \u0111\u01b0\u1ee3c c\u1ea5u t\u1ea1o t\u1eeb hai ho\u1eb7c ba l\u1edbp k\u00ednh, gi\u1eefa c\u00e1c l\u1edbp n\u00e0y l\u00e0 kho\u1ea3ng kh\u00f4ng gian r\u1ed7ng \u0111\u01b0\u1ee3c h\u00fat ch\u00e2n kh\u00f4ng ho\u1eb7c ch\u1ee9a kh\u00ed tr\u01a1 (nh\u01b0 argon ho\u1eb7c krypton). Kho\u1ea3ng kh\u00f4ng gian n\u00e0y gi\u00fap c\u1ea3n tr\u1edf qu\u00e1 tr\u00ecnh truy\u1ec1n nhi\u1ec7t b\u1eb1ng c\u00e1ch \u0111\u1ed1i l\u01b0u v\u00e0 b\u1ee9c x\u1ea1.<\/p>\n

<\/p>\n

  • Ng\u0103n ch\u1eb7n truy\u1ec1n nhi\u1ec7t:<\/b> C\u00e1c l\u1edbp k\u00ednh v\u00e0 l\u1edbp kh\u00f4ng kh\u00ed ho\u1eb7c kh\u00ed tr\u01a1 gi\u1eefa ch\u00fang \u0111\u00f3ng vai tr\u00f2 l\u00e0 l\u1edbp c\u00e1ch nhi\u1ec7t, gi\u1ea3m s\u1ef1 truy\u1ec1n nhi\u1ec7t t\u1eeb b\u00ean ngo\u00e0i v\u00e0o trong v\u00e0 ng\u01b0\u1ee3c l\u1ea1i.<\/li>\n
  • Gi\u1ea3m b\u1ee9c x\u1ea1 nhi\u1ec7t:<\/b> L\u1edbp m\u1ea1 ph\u1ea3n chi\u1ebfu (low-e) tr\u00ean b\u1ec1 m\u1eb7t k\u00ednh gi\u00fap gi\u1ea3m thi\u1ec3u vi\u1ec7c tho\u00e1t nhi\u1ec7t ra ngo\u00e0i th\u00f4ng qua b\u1ee9c x\u1ea1.<\/li>\n

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

    Hi\u1ec7u Su\u1ea5t Nhi\u1ec7t (R-Value v\u00e0 U-Value)<\/h2>\n

    Hi\u1ec7u su\u1ea5t nhi\u1ec7t c\u1ee7a k\u00ednh c\u00e1ch nhi\u1ec7t \u0111\u01b0\u1ee3c \u0111o l\u01b0\u1eddng b\u1eb1ng c\u00e1c gi\u00e1 tr\u1ecb R v\u00e0 U:<\/p>\n

    <\/p>\n

  • R-Value:<\/b> Bi\u1ec3u th\u1ecb kh\u1ea3 n\u0103ng ch\u1ed1ng l\u1ea1i s\u1ef1 truy\u1ec1n nhi\u1ec7t c\u1ee7a v\u1eadt li\u1ec7u. Gi\u00e1 tr\u1ecb R cao h\u01a1n cho th\u1ea5y kh\u1ea3 n\u0103ng c\u00e1ch nhi\u1ec7t t\u1ed1t h\u01a1n.<\/li>\n
  • U-Value:<\/b> \u0110\u1ea1i di\u1ec7n cho m\u1ee9c \u0111\u1ed9 tho\u00e1t nhi\u1ec7t qua v\u1eadt li\u1ec7u. Gi\u00e1 tr\u1ecb U th\u1ea5p h\u01a1n cho th\u1ea5y kh\u1ea3 n\u0103ng c\u00e1ch nhi\u1ec7t t\u1ed1t h\u01a1n.<\/li>\n

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

    C\u00f4ng th\u1ee9c t\u00ednh U-Value:<\/p>\n

    $$ U = \\frac{1}{R} $$<\/p>\n

    Trong \u0111\u00f3:<\/p>\n

    <\/p>\n

  • U l\u00e0 t\u1ed5ng s\u1ed1 t\u1ec9 l\u1ec7 truy\u1ec1n nhi\u1ec7t (W\/m\u00b2K).<\/li>\n
  • R l\u00e0 t\u1ed5ng tr\u1edf nhi\u1ec7t c\u1ee7a to\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng k\u00ednh.<\/li>\n

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

    Y\u1ebfu T\u1ed1 \u1ea2nh H\u01b0\u1edfng \u0110\u1ebfn Hi\u1ec7u Su\u1ea5t Nhi\u1ec7t<\/h2>\n

    <\/p>\n

  • Lo\u1ea1i kh\u00ed gi\u1eefa c\u00e1c l\u1edbp k\u00ednh:<\/b> S\u1eed d\u1ee5ng kh\u00ed tr\u01a1 nh\u01b0 argon ho\u1eb7c krypton thay v\u00ec kh\u00f4ng kh\u00ed s\u1ebd n\u00e2ng cao hi\u1ec7u su\u1ea5t nhi\u1ec7t do gi\u1ea3m kh\u1ea3 n\u0103ng d\u1eabn nhi\u1ec7t c\u1ee7a kh\u00ed tr\u01a1.<\/li>\n
  • Kho\u1ea3ng kh\u00f4ng gian gi\u1eefa c\u00e1c l\u1edbp:<\/b> Kho\u1ea3ng c\u00e1ch t\u1ed1i \u01b0u gi\u1eefa c\u00e1c l\u1edbp k\u00ednh s\u1ebd t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t c\u00e1ch nhi\u1ec7t.<\/li>\n
  • L\u1edbp ph\u1ee7 low-e:<\/b> L\u1edbp ph\u1ee7 n\u00e0y l\u00e0m gi\u1ea3m b\u1ee9c x\u1ea1 nhi\u1ec7t v\u00e0 nh\u1edd \u0111\u00f3 gi\u1ea3m s\u1ef1 th\u1ea5t tho\u00e1t nhi\u1ec7t.<\/li>\n

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

    K\u1ebft Lu\u1eadn<\/h2>\n

    C\u00e1c b\u1ed9 k\u00ednh c\u00e1ch nhi\u1ec7t \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c gi\u1eef nhi\u1ec7t \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh v\u00e0 ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng cho c\u00e1c t\u00f2a nh\u00e0. Hi\u1ec3u r\u00f5 v\u1ec1 c\u00e1c y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u su\u1ea5t nhi\u1ec7t s\u1ebd gi\u00fap t\u1ed1i \u01b0u h\u00f3a vi\u1ec7c s\u1eed d\u1ee5ng k\u00ednh c\u00e1ch nhi\u1ec7t, mang l\u1ea1i hi\u1ec7u qu\u1ea3 t\u1ed1i \u0111a trong c\u1ea3 quy tr\u00ecnh thi\u1ebft k\u1ebf v\u00e0 s\u1eed d\u1ee5ng.<\/p>\n

    <\/p>\n

  • Ch\u1ecdn \u0111\u00fang lo\u1ea1i k\u00ednh v\u00e0 l\u1edbp ph\u1ee7 low-e \u0111\u1ec3 t\u1ed1i \u01b0u hi\u1ec7u su\u1ea5t nhi\u1ec7t.<\/li>\n
  • Xem x\u00e9t s\u1eed d\u1ee5ng kh\u00ed tr\u01a1 \u0111\u1ec3 t\u0103ng kh\u1ea3 n\u0103ng c\u00e1ch nhi\u1ec7t.<\/li>\n
  • \u0110\u1ea3m b\u1ea3o kho\u1ea3ng c\u00e1ch gi\u1eefa c\u00e1c l\u1edbp k\u00ednh h\u1ee3p l\u00fd \u0111\u1ec3 \u0111\u1ea1t hi\u1ec7u su\u1ea5t cao nh\u1ea5t.<\/li>\n

    <\/u1><\/p>\n","protected":false},"excerpt":{"rendered":"

    Hi\u1ec7u su\u1ea5t nhi\u1ec7t c\u1ee7a c\u00e1c b\u1ed9 k\u00ednh c\u00e1ch nhi\u1ec7t: T\u00ecm hi\u1ec3u c\u00e1ch c\u00e1c lo\u1ea1i k\u00ednh ti\u00ean ti\u1ebfn gi\u00fap ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng v\u00e0 c\u1ea3i thi\u1ec7n s\u1ef1 tho\u1ea3i m\u00e1i trong ng\u00f4i nh\u00e0 c\u1ee7a b\u1ea1n.<\/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":"\nHi\u1ec7u su\u1ea5t nhi\u1ec7t c\u1ee7a c\u00e1c b\u1ed9 k\u00ednh c\u00e1ch nhi\u1ec7t<\/title>\n<meta name=\"description\" content=\"Hi\u1ec7u su\u1ea5t nhi\u1ec7t c\u1ee7a c\u00e1c b\u1ed9 k\u00ednh c\u00e1ch nhi\u1ec7t: T\u00ecm hi\u1ec3u c\u00e1ch c\u00e1c lo\u1ea1i k\u00ednh ti\u00ean ti\u1ebfn gi\u00fap ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng v\u00e0 c\u1ea3i thi\u1ec7n s\u1ef1 tho\u1ea3i m\u00e1i trong ng\u00f4i nh\u00e0 c\u1ee7a b\u1ea1n.\" \/>\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\/hieu-suat-nhiet-cua-cac-bo-kinh-cach-nhiet\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Hi\u1ec7u su\u1ea5t nhi\u1ec7t c\u1ee7a c\u00e1c b\u1ed9 k\u00ednh c\u00e1ch nhi\u1ec7t\" \/>\n<meta property=\"og:description\" content=\"Hi\u1ec7u su\u1ea5t nhi\u1ec7t c\u1ee7a c\u00e1c b\u1ed9 k\u00ednh c\u00e1ch nhi\u1ec7t: T\u00ecm hi\u1ec3u c\u00e1ch c\u00e1c lo\u1ea1i k\u00ednh ti\u00ean ti\u1ebfn gi\u00fap ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng v\u00e0 c\u1ea3i thi\u1ec7n s\u1ef1 tho\u1ea3i m\u00e1i trong ng\u00f4i nh\u00e0 c\u1ee7a b\u1ea1n.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.thermal-engineering.org\/vi\/hieu-suat-nhiet-cua-cac-bo-kinh-cach-nhiet\/\" \/>\n<meta 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