{"id":699014,"date":"2024-11-01T16:45:23","date_gmt":"2024-11-01T15:45:23","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=699014"},"modified":"2024-11-01T16:45:23","modified_gmt":"2024-11-01T15:45:23","slug":"hieu-qua-cua-rao-can-nhiet-trong-dong-co","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/hieu-qua-cua-rao-can-nhiet-trong-dong-co\/","title":{"rendered":"Hi\u1ec7u qu\u1ea3 c\u1ee7a r\u00e0o c\u1ea3n nhi\u1ec7t trong \u0111\u1ed9ng c\u01a1"},"content":{"rendered":"

Hi\u1ec7u qu\u1ea3 c\u1ee7a r\u00e0o c\u1ea3n nhi\u1ec7t trong \u0111\u1ed9ng c\u01a1: t\u00ecm hi\u1ec3u c\u00e1ch r\u00e0o c\u1ea3n nhi\u1ec7t gi\u00fap n\u00e2ng cao hi\u1ec7u su\u1ea5t v\u00e0 tu\u1ed5i th\u1ecd \u0111\u1ed9ng c\u01a1, ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng v\u00e0 gi\u1ea3m kh\u00ed th\u1ea3i.<\/p>\n

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

Hi\u1ec7u qu\u1ea3 c\u1ee7a r\u00e0o c\u1ea3n nhi\u1ec7t trong \u0111\u1ed9ng c\u01a1<\/h2>\n

Trong l\u0129nh v\u1ef1c k\u1ef9 thu\u1eadt nhi\u1ec7t (thermal engineering), r\u00e0o c\u1ea3n nhi\u1ec7t \u0111\u00f3ng m\u1ed9t vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c c\u1ea3i thi\u1ec7n hi\u1ec7u qu\u1ea3 v\u00e0 b\u1ea3o v\u1ec7 c\u00e1c th\u00e0nh ph\u1ea7n c\u1ee7a \u0111\u1ed9ng c\u01a1. R\u00e0o c\u1ea3n nhi\u1ec7t gi\u00fap ng\u0103n ch\u1eb7n s\u1ef1 truy\u1ec1n nhi\u1ec7t kh\u00f4ng mong mu\u1ed1n, t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t ho\u1ea1t \u0111\u1ed9ng v\u00e0 k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd c\u1ee7a \u0111\u1ed9ng c\u01a1.<\/p>\n

Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a r\u00e0o c\u1ea3n nhi\u1ec7t<\/h2>\n

R\u00e0o c\u1ea3n nhi\u1ec7t ho\u1ea1t \u0111\u1ed9ng d\u1ef1a tr\u00ean nguy\u00ean t\u1eafc gi\u1ea3m thi\u1ec3u s\u1ef1 truy\u1ec1n nhi\u1ec7t qua v\u1eadt li\u1ec7u. N\u00f3 th\u01b0\u1eddng \u0111\u01b0\u1ee3c c\u1ea5u t\u1ea1o t\u1eeb c\u00e1c l\u1edbp v\u1eadt li\u1ec7u c\u00f3 kh\u1ea3 n\u0103ng c\u00e1ch nhi\u1ec7t cao, gi\u00fap ng\u0103n c\u00e1ch nhi\u1ec7t \u0111\u1ed9 cao t\u1eeb c\u00e1c b\u1ed9 ph\u1eadn nh\u01b0 bu\u1ed3ng \u0111\u1ed1t ho\u1eb7c xylanh, kh\u00f4ng cho nhi\u1ec7t lan truy\u1ec1n \u0111\u1ebfn c\u00e1c khu v\u1ef1c nh\u1ea1y c\u1ea3m kh\u00e1c trong \u0111\u1ed9ng c\u01a1.<\/p>\n

L\u1ee3i \u00edch c\u1ee7a r\u00e0o c\u1ea3n nhi\u1ec7t trong \u0111\u1ed9ng c\u01a1<\/h2>\n

<\/p>\n

  • T\u0103ng hi\u1ec7u su\u1ea5t nhi\u1ec7t:<\/b> R\u00e0o c\u1ea3n nhi\u1ec7t gi\u00fap gi\u1eef nhi\u1ec7t trong bu\u1ed3ng \u0111\u1ed1t, l\u00e0m cho qu\u00e1 tr\u00ecnh ch\u00e1y di\u1ec5n ra hi\u1ec7u qu\u1ea3 h\u01a1n. \u0110i\u1ec1u n\u00e0y l\u00e0m t\u0103ng n\u0103ng l\u01b0\u1ee3ng sinh ra t\u1eeb nhi\u00ean li\u1ec7u, t\u1ee9c l\u00e0 hi\u1ec7u su\u1ea5t nhi\u1ec7t \\(\\eta\\) = \\(\\frac{W_{output}}{Q_{input}}\\) t\u0103ng l\u00ean.<\/li>\n
  • B\u1ea3o v\u1ec7 c\u00e1c th\u00e0nh ph\u1ea7n:<\/b> B\u1ea3o v\u1ec7 c\u00e1c b\u1ed9 ph\u1eadn quan tr\u1ecdng kh\u1ecfi s\u1ef1 \u1ea3nh h\u01b0\u1edfng c\u1ee7a nhi\u1ec7t \u0111\u1ed9 cao, gi\u00fap tr\u00e1nh h\u1ecfng h\u00f3c v\u00e0 k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd c\u1ee7a \u0111\u1ed9ng c\u01a1.<\/li>\n
  • Gi\u1ea3m ti\u00eau hao nhi\u00ean li\u1ec7u:<\/b> Khi hi\u1ec7u su\u1ea5t nhi\u1ec7t \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n, \u0111\u1ed9ng c\u01a1 s\u1eed d\u1ee5ng nhi\u00ean li\u1ec7u hi\u1ec7u qu\u1ea3 h\u01a1n, d\u1eabn \u0111\u1ebfn l\u01b0\u1ee3ng ti\u00eau hao nhi\u00ean li\u1ec7u gi\u1ea3m.<\/li>\n
  • Gi\u1ea3m ph\u00e1t th\u1ea3i:<\/b> Hi\u1ec7u qu\u1ea3 ch\u00e1y \u0111\u01b0\u1ee3c n\u00e2ng cao gi\u00fap gi\u1ea3m l\u01b0\u1ee3ng kh\u00ed th\u1ea3i \u0111\u1ed9c h\u1ea1i nh\u01b0 CO2, NOx ra m\u00f4i tr\u01b0\u1eddng.<\/li>\n

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

    \u1ee8ng d\u1ee5ng c\u1ee7a r\u00e0o c\u1ea3n nhi\u1ec7t trong \u0111\u1ed9ng c\u01a1<\/h2>\n

    R\u00e0o c\u1ea3n nhi\u1ec7t \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong nhi\u1ec1u lo\u1ea1i \u0111\u1ed9ng c\u01a1 kh\u00e1c nhau, t\u1eeb \u0111\u1ed9ng c\u01a1 \u00f4 t\u00f4, m\u00e1y bay \u0111\u1ebfn c\u00e1c h\u1ec7 th\u1ed1ng \u0111\u1ed9ng c\u01a1 c\u00f4ng nghi\u1ec7p. M\u1ed9t s\u1ed1 \u1ee9ng d\u1ee5ng c\u1ee5 th\u1ec3 bao g\u1ed3m:<\/p>\n

    <\/p>\n

  • \u0110\u1ed9ng c\u01a1 \u00f4 t\u00f4:<\/b> R\u00e0o c\u1ea3n nhi\u1ec7t \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 b\u1ea3o v\u1ec7 h\u1ec7 th\u1ed1ng xylanh v\u00e0 bu\u1ed3ng \u0111\u1ed1t, c\u0169ng nh\u01b0 gi\u1ea3m nhi\u1ec7t \u0111\u1ed9 c\u1ee7a kh\u00ed th\u1ea3i.<\/li>\n
  • \u0110\u1ed9ng c\u01a1 m\u00e1y bay:<\/b> Gi\u00fap duy tr\u00ec nhi\u1ec7t \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng t\u1ed1i \u01b0u cho c\u00e1c b\u1ed9 ph\u1eadn quan tr\u1ecdng nh\u01b0 tua-bin v\u00e0 bu\u1ed3ng \u0111\u1ed1t, nh\u1eb1m t\u0103ng hi\u1ec7u su\u1ea5t ho\u1ea1t \u0111\u1ed9ng v\u00e0 \u0111\u1ea3m b\u1ea3o an to\u00e0n bay.<\/li>\n
  • H\u1ec7 th\u1ed1ng \u0111\u1ed9ng c\u01a1 c\u00f4ng nghi\u1ec7p:<\/b> B\u1ea3o v\u1ec7 c\u00e1c thi\u1ebft b\u1ecb c\u1ea3m bi\u1ebfn, van, v\u00e0 c\u00e1c b\u1ed9 ph\u1eadn \u0111i\u1ec1u khi\u1ec3n kh\u1ecfi nhi\u1ec7t \u0111\u1ed9 cao.<\/li>\n

    <\/o1><\/p>\n

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

    R\u00e0o c\u1ea3n nhi\u1ec7t \u0111\u00f3ng vai tr\u00f2 kh\u00f4ng th\u1ec3 thi\u1ebfu trong c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t v\u00e0 b\u1ea3o v\u1ec7 \u0111\u1ed9ng c\u01a1. B\u1eb1ng c\u00e1ch gi\u1ea3m s\u1ef1 th\u1ea5t tho\u00e1t nhi\u1ec7t v\u00e0 b\u1ea3o v\u1ec7 c\u00e1c b\u1ed9 ph\u1eadn quan tr\u1ecdng kh\u1ecfi s\u1ef1 \u1ea3nh h\u01b0\u1edfng c\u1ee7a nhi\u1ec7t \u0111\u1ed9 cao, r\u00e0o c\u1ea3n nhi\u1ec7t gi\u00fap \u0111\u1ed9ng c\u01a1 ho\u1ea1t \u0111\u1ed9ng hi\u1ec7u qu\u1ea3 h\u01a1n, k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd v\u00e0 gi\u1ea3m thi\u1ec3u t\u00e1c \u0111\u1ed9ng ti\u00eau c\u1ef1c \u0111\u1ebfn m\u00f4i tr\u01b0\u1eddng.<\/p>\n","protected":false},"excerpt":{"rendered":"

    Hi\u1ec7u qu\u1ea3 c\u1ee7a r\u00e0o c\u1ea3n nhi\u1ec7t trong \u0111\u1ed9ng c\u01a1: t\u00ecm hi\u1ec3u c\u00e1ch r\u00e0o c\u1ea3n nhi\u1ec7t gi\u00fap n\u00e2ng cao hi\u1ec7u su\u1ea5t v\u00e0 tu\u1ed5i th\u1ecd \u0111\u1ed9ng c\u01a1, ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng v\u00e0 gi\u1ea3m kh\u00ed th\u1ea3i.<\/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 qu\u1ea3 c\u1ee7a r\u00e0o c\u1ea3n nhi\u1ec7t trong \u0111\u1ed9ng c\u01a1<\/title>\n<meta name=\"description\" content=\"Hi\u1ec7u qu\u1ea3 c\u1ee7a r\u00e0o c\u1ea3n nhi\u1ec7t trong \u0111\u1ed9ng c\u01a1: t\u00ecm hi\u1ec3u c\u00e1ch r\u00e0o c\u1ea3n nhi\u1ec7t gi\u00fap n\u00e2ng cao hi\u1ec7u su\u1ea5t v\u00e0 tu\u1ed5i th\u1ecd \u0111\u1ed9ng c\u01a1, ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng v\u00e0 gi\u1ea3m kh\u00ed th\u1ea3i.\" \/>\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-qua-cua-rao-can-nhiet-trong-dong-co\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Hi\u1ec7u qu\u1ea3 c\u1ee7a r\u00e0o c\u1ea3n nhi\u1ec7t trong \u0111\u1ed9ng c\u01a1\" \/>\n<meta property=\"og:description\" content=\"Hi\u1ec7u qu\u1ea3 c\u1ee7a r\u00e0o c\u1ea3n nhi\u1ec7t trong \u0111\u1ed9ng c\u01a1: t\u00ecm hi\u1ec3u c\u00e1ch r\u00e0o c\u1ea3n nhi\u1ec7t gi\u00fap n\u00e2ng cao hi\u1ec7u su\u1ea5t v\u00e0 tu\u1ed5i th\u1ecd \u0111\u1ed9ng c\u01a1, ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng v\u00e0 gi\u1ea3m kh\u00ed th\u1ea3i.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.thermal-engineering.org\/vi\/hieu-qua-cua-rao-can-nhiet-trong-dong-co\/\" \/>\n<meta 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