{"id":700521,"date":"2024-11-13T15:05:09","date_gmt":"2024-11-13T14:05:09","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=700521"},"modified":"2024-11-13T15:05:09","modified_gmt":"2024-11-13T14:05:09","slug":"qua-trinh-truyen-nhiet-trong-xe-hybrid","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/qua-trinh-truyen-nhiet-trong-xe-hybrid\/","title":{"rendered":"Qu\u00e1 Tr\u00ecnh Truy\u1ec1n Nhi\u1ec7t trong Xe Hybrid"},"content":{"rendered":"

Qu\u00e1 tr\u00ecnh truy\u1ec1n nhi\u1ec7t trong xe hybrid: Hi\u1ec3u c\u00e1ch nhi\u1ec7t \u0111\u01b0\u1ee3c chuy\u1ec3n \u0111\u1ed5i v\u00e0 qu\u1ea3n l\u00fd, gi\u00fap t\u1ed1i \u01b0u hi\u1ec7u n\u0103ng v\u00e0 ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng cho xe hybrid.<\/p>\n

\"Qu\u00e1<\/p>\n

Qu\u00e1 Tr\u00ecnh Truy\u1ec1n Nhi\u1ec7t trong Xe Hybrid<\/h2>\n

Xe hybrid l\u00e0 m\u1ed9t lo\u1ea1i ph\u01b0\u01a1ng ti\u1ec7n k\u1ebft h\u1ee3p gi\u1eefa \u0111\u1ed9ng c\u01a1 \u0111\u1ed1t trong v\u00e0 \u0111\u1ed9ng c\u01a1 \u0111i\u1ec7n, mang l\u1ea1i nhi\u1ec1u l\u1ee3i \u00edch v\u1ec1 hi\u1ec7u su\u1ea5t v\u00e0 ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng. M\u1ed9t trong nh\u1eefng k\u1ef9 thu\u1eadt quan tr\u1ecdng trong xe hybrid l\u00e0 qu\u00e1 tr\u00ecnh truy\u1ec1n nhi\u1ec7t, gi\u00fap duy tr\u00ec nhi\u1ec7t \u0111\u1ed9 h\u1ee3p l\u00fd cho c\u00e1c b\u1ed9 ph\u1eadn v\u00e0 h\u1ec7 th\u1ed1ng kh\u00e1c nhau. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd kh\u00e1m ph\u00e1 c\u00e1c kh\u00eda c\u1ea1nh ch\u00ednh c\u1ee7a qu\u00e1 tr\u00ecnh truy\u1ec1n nhi\u1ec7t trong xe hybrid.<\/p>\n

1. Qu\u00e1 Tr\u00ecnh Truy\u1ec1n Nhi\u1ec7t trong \u0110\u1ed9ng C\u01a1 \u0110\u1ed1t Trong<\/h2>\n

\u0110\u1ed9ng c\u01a1 \u0111\u1ed1t trong trong xe hybrid ho\u1ea1t \u0111\u1ed9ng d\u1ef1a tr\u00ean nguy\u00ean l\u00fd \u0111\u1ed1t ch\u00e1y nhi\u00ean li\u1ec7u \u0111\u1ec3 t\u1ea1o ra n\u0103ng l\u01b0\u1ee3ng. Trong qu\u00e1 tr\u00ecnh n\u00e0y, nhi\u1ec7t l\u01b0\u1ee3ng l\u1edbn \u0111\u01b0\u1ee3c sinh ra, v\u00e0 vi\u1ec7c ki\u1ec3m so\u00e1t nhi\u1ec7t \u0111\u1ed9 l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o hi\u1ec7u su\u1ea5t v\u00e0 tu\u1ed5i th\u1ecd c\u1ee7a \u0111\u1ed9ng c\u01a1.<\/p>\n

<\/p>\n

  • D\u1eabn nhi\u1ec7t:<\/b> Qu\u00e1 tr\u00ecnh truy\u1ec1n nhi\u1ec7t t\u1eeb v\u00f9ng c\u00f3 nhi\u1ec7t \u0111\u1ed9 cao sang v\u00f9ng c\u00f3 nhi\u1ec7t \u0111\u1ed9 th\u1ea5p th\u00f4ng qua v\u1eadt li\u1ec7u r\u1eafn.<\/li>\n
  • \u0110\u1ed1i l\u01b0u:<\/b> Qu\u00e1 tr\u00ecnh truy\u1ec1n nhi\u1ec7t th\u00f4ng qua chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a ch\u1ea5t l\u1ecfng ho\u1eb7c kh\u00ed. Trong \u0111\u1ed9ng c\u01a1 \u00f4 t\u00f4, n\u01b0\u1edbc l\u00e0m m\u00e1t ho\u1eb7c d\u1ea7u nh\u1edbt th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng.<\/li>\n
  • B\u1ee9c x\u1ea1 nhi\u1ec7t:<\/b> Qu\u00e1 tr\u00ecnh truy\u1ec1n nhi\u1ec7t th\u00f4ng qua s\u00f3ng \u0111i\u1ec7n t\u1eeb. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 th\u1ea5y r\u00f5 trong h\u1ec7 th\u1ed1ng x\u1ea3 c\u1ee7a \u0111\u1ed9ng c\u01a1.<\/li>\n

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

    2. H\u1ec7 Th\u1ed1ng L\u00e0m M\u00e1t trong \u0110\u1ed9ng C\u01a1 \u0110i\u1ec7n<\/h2>\n

    \u0110\u1ed9ng c\u01a1 \u0111i\u1ec7n trong xe hybrid c\u0169ng sinh ra nhi\u1ec7t khi ho\u1ea1t \u0111\u1ed9ng, m\u1eb7c d\u00f9 v\u1edbi m\u1ee9c \u0111\u1ed9 \u00edt h\u01a1n so v\u1edbi \u0111\u1ed9ng c\u01a1 \u0111\u1ed1t trong. Vi\u1ec7c l\u00e0m m\u00e1t \u0111\u1ed9ng c\u01a1 \u0111i\u1ec7n th\u01b0\u1eddng bao g\u1ed3m c\u00e1c h\u1ec7 th\u1ed1ng nh\u01b0:<\/p>\n

    <\/p>\n

  • Ch\u1ea5t l\u1ecfng l\u00e0m m\u00e1t:<\/b> S\u1eed d\u1ee5ng ch\u1ea5t l\u1ecfng nh\u01b0 n\u01b0\u1edbc ho\u1eb7c d\u1ea7u \u0111\u1ec3 d\u1eabn nhi\u1ec7t kh\u1ecfi \u0111\u1ed9ng c\u01a1.<\/li>\n
  • H\u1ec7 th\u1ed1ng t\u1ea3n nhi\u1ec7t:<\/b> S\u1eed d\u1ee5ng c\u00e1c b\u1ed9 t\u1ea3n nhi\u1ec7t \u0111\u1ec3 ph\u00e2n t\u00e1n nhi\u1ec7t ra m\u00f4i tr\u01b0\u1eddng xung quanh.<\/li>\n

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

    3. Qu\u00e1 Tr\u00ecnh Truy\u1ec1n Nhi\u1ec7t trong Pin Hybrid<\/h2>\n

    Pin l\u00e0 m\u1ed9t b\u1ed9 ph\u1eadn quan tr\u1ecdng trong xe hybrid, l\u01b0u tr\u1eef n\u0103ng l\u01b0\u1ee3ng v\u00e0 cung c\u1ea5p ngu\u1ed3n \u0111i\u1ec7n cho \u0111\u1ed9ng c\u01a1 \u0111i\u1ec7n. Qu\u00e1 tr\u00ecnh s\u1ea1c v\u00e0 x\u1ea3 c\u1ee7a pin c\u0169ng sinh ra nhi\u1ec7t, v\u00e0 vi\u1ec7c ki\u1ec3m so\u00e1t nhi\u1ec7t \u0111\u1ed9 l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o an to\u00e0n v\u00e0 hi\u1ec7u su\u1ea5t l\u00e0m vi\u1ec7c c\u1ee7a pin.<\/p>\n

    <\/p>\n

  • H\u1ec7 th\u1ed1ng l\u00e0m m\u00e1t b\u1eb1ng kh\u00f4ng kh\u00ed:<\/b> S\u1eed d\u1ee5ng qu\u1ea1t ho\u1eb7c kh\u00ed n\u00e9n \u0111\u1ec3 l\u00e0m m\u00e1t pin.<\/li>\n
  • H\u1ec7 th\u1ed1ng l\u00e0m m\u00e1t b\u1eb1ng ch\u1ea5t l\u1ecfng:<\/b> T\u01b0\u01a1ng t\u1ef1 nh\u01b0 \u0111\u1ed9ng c\u01a1 \u0111i\u1ec7n, s\u1eed d\u1ee5ng ch\u1ea5t l\u1ecfng \u0111\u1ec3 d\u1eabn nhi\u1ec7t kh\u1ecfi pin.<\/li>\n

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

    4. C\u00f4ng Th\u1ee9c v\u00e0 Ph\u01b0\u01a1ng Tr\u00ecnh Li\u00ean Quan<\/h2>\n

    Trong qu\u00e1 tr\u00ecnh truy\u1ec1n nhi\u1ec7t, c\u00f3 m\u1ed9t s\u1ed1 ph\u01b0\u01a1ng tr\u00ecnh c\u01a1 b\u1ea3n th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng:<\/p>\n

    <\/p>\n

  • Ph\u01b0\u01a1ng tr\u00ecnh d\u1eabn nhi\u1ec7t:<\/b> \\( q = -k \\cdot A \\cdot \\frac{dT}{dx} \\) <\/li>\n
  • Ph\u01b0\u01a1ng tr\u00ecnh \u0111\u1ed1i l\u01b0u:<\/b> \\( q = h \\cdot A \\cdot (T_s – T_{\\infty}) \\) <\/li>\n
  • Ph\u01b0\u01a1ng tr\u00ecnh b\u1ee9c x\u1ea1 nhi\u1ec7t:<\/b> \\( q = \\epsilon \\cdot \\sigma \\cdot A \\cdot (T^4_1 – T^4_2) \\) <\/li>\n

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

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

    <\/p>\n

  • q:<\/b> L\u01b0\u1ee3ng nhi\u1ec7t truy\u1ec1n t\u1ea3i (W)<\/li>\n
  • k:<\/b> H\u1ec7 s\u1ed1 d\u1eabn nhi\u1ec7t (W\/m\u00b7K)<\/li>\n
  • A:<\/b> Di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t truy\u1ec1n nhi\u1ec7t (m2<\/sup>)<\/li>\n
  • dT\/dx:<\/b> Gradient nhi\u1ec7t \u0111\u1ed9 (K\/m)<\/li>\n
  • h:<\/b> H\u1ec7 s\u1ed1 truy\u1ec1n nhi\u1ec7t \u0111\u1ed1i l\u01b0u (W\/m2<\/sup>\u00b7K)<\/li>\n
  • T_s:<\/b> Nhi\u1ec7t \u0111\u1ed9 b\u1ec1 m\u1eb7t (K)<\/li>\n
  • T_{\\infty}:<\/b> Nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng xung quanh (K)<\/li>\n
  • \\epsilon:<\/b> H\u1ec7 s\u1ed1 b\u1ee9c x\u1ea1<\/li>\n
  • \\sigma:<\/b> H\u1eb1ng s\u1ed1 Stefan-Boltzmann (\\(5.67 \\times 10^{-8} W\/m^2\u00b7K^4\\))<\/li>\n
  • T_1:<\/b> Nhi\u1ec7t \u0111\u1ed9 c\u1ee7a b\u1ec1 m\u1eb7t th\u1ee9 nh\u1ea5t (K)<\/li>\n
  • T_2:<\/b> Nhi\u1ec7t \u0111\u1ed9 c\u1ee7a b\u1ec1 m\u1eb7t th\u1ee9 hai (K)<\/li>\n

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

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

    Qu\u00e1 tr\u00ecnh truy\u1ec1n nhi\u1ec7t \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c duy tr\u00ec ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh v\u00e0 hi\u1ec7u qu\u1ea3 c\u1ee7a xe hybrid. B\u1eb1ng vi\u1ec7c hi\u1ec3u r\u00f5 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p l\u00e0m m\u00e1t v\u00e0 \u1ee9ng d\u1ee5ng c\u00e1c k\u1ef9 thu\u1eadt truy\u1ec1n nhi\u1ec7t, ch\u00fang ta c\u00f3 th\u1ec3 t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t v\u00e0 m\u1edf r\u1ed9ng tu\u1ed5i th\u1ecd c\u1ee7a c\u00e1c b\u1ed9 ph\u1eadn trong xe.<\/p>\n","protected":false},"excerpt":{"rendered":"

    Qu\u00e1 tr\u00ecnh truy\u1ec1n nhi\u1ec7t trong xe hybrid: Hi\u1ec3u c\u00e1ch nhi\u1ec7t \u0111\u01b0\u1ee3c chuy\u1ec3n \u0111\u1ed5i v\u00e0 qu\u1ea3n l\u00fd, gi\u00fap t\u1ed1i \u01b0u hi\u1ec7u n\u0103ng v\u00e0 ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng cho xe hybrid.<\/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":"\nQu\u00e1 Tr\u00ecnh Truy\u1ec1n Nhi\u1ec7t trong Xe Hybrid<\/title>\n<meta name=\"description\" content=\"Qu\u00e1 tr\u00ecnh truy\u1ec1n nhi\u1ec7t trong xe hybrid: Hi\u1ec3u c\u00e1ch nhi\u1ec7t \u0111\u01b0\u1ee3c chuy\u1ec3n \u0111\u1ed5i v\u00e0 qu\u1ea3n l\u00fd, gi\u00fap t\u1ed1i \u01b0u hi\u1ec7u n\u0103ng v\u00e0 ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng cho xe hybrid.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" 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