{"id":710639,"date":"2024-10-22T02:47:27","date_gmt":"2024-10-22T01:47:27","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=710639"},"modified":"2024-10-22T02:47:27","modified_gmt":"2024-10-22T01:47:27","slug":"tinh-toan-tai-trong-lam-mat-trong-toa-nha","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/tinh-toan-tai-trong-lam-mat-trong-toa-nha\/","title":{"rendered":"T\u00ednh to\u00e1n t\u1ea3i tr\u1ecdng l\u00e0m m\u00e1t trong t\u00f2a nh\u00e0"},"content":{"rendered":"

T\u00ednh to\u00e1n t\u1ea3i tr\u1ecdng l\u00e0m m\u00e1t trong t\u00f2a nh\u00e0 gi\u00fap x\u00e1c \u0111\u1ecbnh l\u01b0\u1ee3ng n\u0103ng l\u01b0\u1ee3ng c\u1ea7n thi\u1ebft \u0111\u1ec3 duy tr\u00ec nhi\u1ec7t \u0111\u1ed9 l\u00fd t\u01b0\u1edfng, ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng v\u00e0 \u0111\u1ea3m b\u1ea3o ti\u1ec7n nghi.<\/p>\n

\"T\u00ednh<\/p>\n

T\u00ednh To\u00e1n T\u1ea3i Tr\u1ecdng L\u00e0m M\u00e1t Trong T\u00f2a Nh\u00e0<\/h2>\n

T\u00ednh to\u00e1n t\u1ea3i tr\u1ecdng l\u00e0m m\u00e1t l\u00e0 m\u1ed9t ph\u1ea7n quan tr\u1ecdng trong thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng l\u00e0m m\u00e1t cho t\u00f2a nh\u00e0. \u0110\u1ec3 \u0111\u1ea3m b\u1ea3o s\u1ef1 tho\u1ea3i m\u00e1i v\u00e0 ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng, ch\u00fang ta c\u1ea7n hi\u1ec3u v\u00e0 x\u00e1c \u0111\u1ecbnh ch\u00ednh x\u00e1c l\u01b0\u1ee3ng nhi\u1ec7t c\u1ea7n ph\u1ea3i lo\u1ea1i b\u1ecf \u0111\u1ec3 duy tr\u00ec nhi\u1ec7t \u0111\u1ed9 mong mu\u1ed1n b\u00ean trong t\u00f2a nh\u00e0.<\/p>\n

C\u00e1c Y\u1ebfu T\u1ed1 \u1ea2nh H\u01b0\u1edfng \u0110\u1ebfn T\u1ea3i Tr\u1ecdng L\u00e0m M\u00e1t<\/h2>\n

\u0110\u1ec3 t\u00ednh to\u00e1n t\u1ea3i tr\u1ecdng l\u00e0m m\u00e1t, ch\u00fang ta c\u1ea7n xem x\u00e9t c\u00e1c y\u1ebfu t\u1ed1 ch\u00ednh d\u01b0\u1edbi \u0111\u00e2y:<\/p>\n

<\/p>\n

  • Nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng b\u00ean ngo\u00e0i<\/li>\n
  • Ch\u1ea5t li\u1ec7u v\u00e0 c\u1ea5u tr\u00fac c\u1ee7a t\u00f2a nh\u00e0<\/li>\n
  • S\u1ed1 l\u01b0\u1ee3ng v\u00e0 nhi\u1ec7t l\u01b0\u1ee3ng t\u1eeb c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed v\u00e0 \u0111\u00e8n<\/li>\n
  • Ho\u1ea1t \u0111\u1ed9ng c\u1ee7a con ng\u01b0\u1eddi v\u00e0 thi\u1ebft b\u1ecb trong t\u00f2a nh\u00e0<\/li>\n
  • \u0110\u1ed9 \u1ea9m kh\u00f4ng kh\u00ed<\/li>\n

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

    C\u00e1c Th\u00e0nh Ph\u1ea7n C\u1ee7a T\u1ea3i Tr\u1ecdng L\u00e0m M\u00e1t<\/h2>\n

    <\/p>\n

  • T\u1ea3i tr\u1ecdng nhi\u1ec7t \u0111\u1ed9<\/b>: Nhi\u1ec7t t\u1eeb b\u00ean ngo\u00e0i xuy\u00ean qua t\u01b0\u1eddng, m\u00e1i, c\u1eeda s\u1ed5 v\u00e0 c\u1eeda ra v\u00e0o.<\/li>\n
  • T\u1ea3i tr\u1ecdng nhi\u1ec7t do ng\u01b0\u1eddi v\u00e0 thi\u1ebft b\u1ecb<\/b>: Nhi\u1ec7t sinh ra t\u1eeb ho\u1ea1t \u0111\u1ed9ng c\u1ee7a con ng\u01b0\u1eddi v\u00e0 c\u00e1c thi\u1ebft b\u1ecb nh\u01b0 m\u00e1y t\u00ednh, \u0111\u00e8n chi\u1ebfu s\u00e1ng v\u00e0 c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed kh\u00e1c.<\/li>\n
  • T\u1ea3i tr\u1ecdng nhi\u1ec7t do th\u00f4ng gi\u00f3<\/b>: Nhi\u1ec7t t\u1eeb kh\u00f4ng kh\u00ed b\u00ean ngo\u00e0i khi m\u1edf c\u1eeda ho\u1eb7c t\u1eeb h\u1ec7 th\u1ed1ng th\u00f4ng gi\u00f3.<\/li>\n

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

    Ph\u01b0\u01a1ng Ph\u00e1p T\u00ednh To\u00e1n T\u1ea3i Tr\u1ecdng L\u00e0m M\u00e1t<\/h2>\n

    \u0110\u1ec3 t\u00ednh to\u00e1n t\u1ea3i tr\u1ecdng l\u00e0m m\u00e1t, ch\u00fang ta c\u1ea7n s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng th\u1ee9c v\u00e0 ph\u01b0\u01a1ng ph\u00e1p c\u1ee5 th\u1ec3. M\u1ed9t trong nh\u1eefng c\u00e1ch ph\u1ed5 bi\u1ebfn l\u00e0 s\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p t\u1ea3i tr\u1ecdng t\u1ed5ng h\u1ee3p:<\/p>\n

    C\u00f4ng th\u1ee9c c\u01a1 b\u1ea3n cho t\u1ea3i nhi\u1ec7t xuy\u00ean t\u01b0\u1eddng:<\/b><\/p>\n

    Q = U * A * \u0394T<\/p>\n

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

    <\/p>\n

  • Q: L\u01b0\u1ee3ng nhi\u1ec7t truy\u1ec1n qua (W)<\/li>\n
  • U: H\u1ec7 s\u1ed1 truy\u1ec1n nhi\u1ec7t (W\/m2<\/sup>K)<\/li>\n
  • A: Di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t (m2<\/sup>)<\/li>\n
  • \u0394T: Ch\u00eanh l\u1ec7ch nhi\u1ec7t \u0111\u1ed9 gi\u1eefa b\u00ean trong v\u00e0 b\u00ean ngo\u00e0i (\u00b0C)<\/li>\n

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

    V\u00ed d\u1ee5, n\u1ebfu ch\u00fang ta c\u00f3 m\u1ed9t b\u1ee9c t\u01b0\u1eddng v\u1edbi di\u1ec7n t\u00edch 50 m2<\/sup>, h\u1ec7 s\u1ed1 truy\u1ec1n nhi\u1ec7t U l\u00e0 0.3 W\/m2<\/sup>K, v\u00e0 ch\u00eanh l\u1ec7ch nhi\u1ec7t \u0111\u1ed9 \u0394T l\u00e0 10\u00b0C, th\u00ec:<\/p>\n

    Q = 0.3 * 50 * 10 = 150 W<\/p>\n

    T\u01b0\u01a1ng t\u1ef1, ch\u00fang ta c\u0169ng c\u1ea7n t\u00ednh to\u00e1n c\u00e1c y\u1ebfu t\u1ed1 kh\u00e1c nh\u01b0 t\u1ea3i nhi\u1ec7t t\u1eeb con ng\u01b0\u1eddi, thi\u1ebft b\u1ecb v\u00e0 th\u00f4ng gi\u00f3 \u0111\u1ec3 c\u00f3 \u0111\u01b0\u1ee3c t\u1ed5ng t\u1ea3i tr\u1ecdng l\u00e0m m\u00e1t cu\u1ed1i c\u00f9ng.<\/p>\n

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

    Vi\u1ec7c t\u00ednh to\u00e1n t\u1ea3i tr\u1ecdng l\u00e0m m\u00e1t chi ti\u1ebft v\u00e0 ch\u00ednh x\u00e1c s\u1ebd gi\u00fap ch\u00fang ta thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng l\u00e0m m\u00e1t hi\u1ec7u qu\u1ea3, ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng v\u00e0 \u0111\u1ea3m b\u1ea3o s\u1ef1 tho\u1ea3i m\u00e1i cho c\u01b0 d\u00e2n trong t\u00f2a nh\u00e0. B\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng th\u1ee9c v\u00e0 ph\u01b0\u01a1ng ph\u00e1p ph\u00f9 h\u1ee3p, ch\u00fang ta c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng x\u00e1c \u0111\u1ecbnh l\u01b0\u1ee3ng nhi\u1ec7t c\u1ea7n lo\u1ea1i b\u1ecf \u0111\u1ec3 duy tr\u00ec \u0111i\u1ec1u ki\u1ec7n nhi\u1ec7t \u0111\u1ed9 mong mu\u1ed1n.<\/p>\n","protected":false},"excerpt":{"rendered":"

    T\u00ednh to\u00e1n t\u1ea3i tr\u1ecdng l\u00e0m m\u00e1t trong t\u00f2a nh\u00e0 gi\u00fap x\u00e1c \u0111\u1ecbnh l\u01b0\u1ee3ng n\u0103ng l\u01b0\u1ee3ng c\u1ea7n thi\u1ebft \u0111\u1ec3 duy tr\u00ec nhi\u1ec7t \u0111\u1ed9 l\u00fd t\u01b0\u1edfng, ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng v\u00e0 \u0111\u1ea3m b\u1ea3o ti\u1ec7n nghi.<\/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\u00ednh to\u00e1n t\u1ea3i tr\u1ecdng l\u00e0m m\u00e1t trong t\u00f2a nh\u00e0<\/title>\n<meta name=\"description\" content=\"T\u00ednh to\u00e1n t\u1ea3i tr\u1ecdng l\u00e0m m\u00e1t trong t\u00f2a nh\u00e0 gi\u00fap x\u00e1c \u0111\u1ecbnh l\u01b0\u1ee3ng n\u0103ng l\u01b0\u1ee3ng c\u1ea7n thi\u1ebft \u0111\u1ec3 duy tr\u00ec nhi\u1ec7t \u0111\u1ed9 l\u00fd t\u01b0\u1edfng, ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng v\u00e0 \u0111\u1ea3m b\u1ea3o ti\u1ec7n nghi.\" \/>\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\/tinh-toan-tai-trong-lam-mat-trong-toa-nha\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"T\u00ednh to\u00e1n t\u1ea3i tr\u1ecdng l\u00e0m m\u00e1t trong t\u00f2a nh\u00e0\" \/>\n<meta property=\"og:description\" content=\"T\u00ednh to\u00e1n t\u1ea3i tr\u1ecdng l\u00e0m m\u00e1t trong t\u00f2a nh\u00e0 gi\u00fap x\u00e1c \u0111\u1ecbnh l\u01b0\u1ee3ng n\u0103ng l\u01b0\u1ee3ng c\u1ea7n thi\u1ebft \u0111\u1ec3 duy tr\u00ec nhi\u1ec7t \u0111\u1ed9 l\u00fd t\u01b0\u1edfng, ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng v\u00e0 \u0111\u1ea3m b\u1ea3o ti\u1ec7n nghi.\" \/>\n<meta property=\"og:url\" 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