{"id":700661,"date":"2024-09-09T08:07:34","date_gmt":"2024-09-09T07:07:34","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=700661"},"modified":"2024-09-09T08:07:34","modified_gmt":"2024-09-09T07:07:34","slug":"hieu-suat-nhiet-cua-may-bom-nhiet","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/hieu-suat-nhiet-cua-may-bom-nhiet\/","title":{"rendered":"Hi\u1ec7u su\u1ea5t nhi\u1ec7t c\u1ee7a m\u00e1y b\u01a1m nhi\u1ec7t"},"content":{"rendered":"

Hi\u1ec7u su\u1ea5t nhi\u1ec7t c\u1ee7a m\u00e1y b\u01a1m nhi\u1ec7t: T\u00ecm hi\u1ec3u c\u00e1ch m\u00e1y b\u01a1m nhi\u1ec7t chuy\u1ec3n \u0111\u1ed5i n\u0103ng l\u01b0\u1ee3ng v\u00e0 \u0111\u1ea1t hi\u1ec7u su\u1ea5t cao trong h\u1ec7 th\u1ed1ng s\u01b0\u1edfi v\u00e0 l\u00e0m m\u00e1t.<\/p>\n

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

Hi\u1ec7u Su\u1ea5t Nhi\u1ec7t c\u1ee7a M\u00e1y B\u01a1m Nhi\u1ec7t<\/h2>\n

M\u00e1y b\u01a1m nhi\u1ec7t l\u00e0 m\u1ed9t thi\u1ebft b\u1ecb quan tr\u1ecdng trong nhi\u1ec7t h\u1ecdc v\u00e0 k\u1ef9 thu\u1eadt nhi\u1ec7t, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 di chuy\u1ec3n nhi\u1ec7t t\u1eeb m\u1ed9t n\u01a1i c\u00f3 nhi\u1ec7t \u0111\u1ed9 th\u1ea5p \u0111\u1ebfn m\u1ed9t n\u01a1i c\u00f3 nhi\u1ec7t \u0111\u1ed9 cao h\u01a1n. Hi\u1ec7u su\u1ea5t c\u1ee7a m\u00e1y b\u01a1m nhi\u1ec7t th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u0111o b\u1eb1ng h\u1ec7 s\u1ed1 hi\u1ec7u su\u1ea5t (COP – Coefficient of Performance), v\u00e0 n\u00f3 ph\u1ea3n \u00e1nh m\u1ee9c \u0111\u1ed9 hi\u1ec7u qu\u1ea3 c\u1ee7a qu\u00e1 tr\u00ecnh n\u00e0y.<\/p>\n

\u0110\u1ecbnh Ngh\u0129a v\u00e0 C\u00f4ng Th\u1ee9c<\/h2>\n

H\u1ec7 s\u1ed1 hi\u1ec7u su\u1ea5t (COP) c\u1ee7a m\u1ed9t m\u00e1y b\u01a1m nhi\u1ec7t \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a l\u00e0 t\u1ef7 l\u1ec7 gi\u1eefa l\u01b0\u1ee3ng nhi\u1ec7t \u0111\u01b0\u1ee3c chuy\u1ec3n giao v\u00e0 c\u00f4ng su\u1ea5t ti\u00eau th\u1ee5 \u0111\u1ec3 th\u1ef1c hi\u1ec7n vi\u1ec7c \u0111\u00f3. C\u00f4ng th\u1ee9c t\u00ednh COP \u0111\u01b0\u1ee3c \u0111\u01b0a ra nh\u01b0 sau:<\/p>\n

\nCOP = \\(\\frac{Q}{W}\\)\n<\/p><\/blockquote>\n

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

<\/p>\n

  • Q:<\/b> L\u01b0\u1ee3ng nhi\u1ec7t \u0111\u01b0\u1ee3c chuy\u1ec3n giao (\u0111\u01a1n v\u1ecb: Joule ho\u1eb7c Watt-gi\u1edd)<\/li>\n
  • W:<\/b> C\u00f4ng su\u1ea5t ti\u00eau th\u1ee5 (\u0111\u01a1n v\u1ecb: Joule ho\u1eb7c Watt-gi\u1edd)<\/li>\n

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

    \u0110\u1ed1i v\u1edbi c\u00e1c m\u00e1y b\u01a1m nhi\u1ec7t \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho s\u01b0\u1edfi \u1ea5m, hi\u1ec7u su\u1ea5t c\u00f3 th\u1ec3 c\u00f2n \u0111\u01b0\u1ee3c t\u00ednh b\u1eb1ng c\u00f4ng th\u1ee9c:<\/p>\n

    \nCOP_heating = \\(\\frac{Q_{out}}{W}\\)\n<\/p><\/blockquote>\n

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

    <\/p>\n

  • Qout<\/sub>:<\/b> L\u01b0\u1ee3ng nhi\u1ec7t cung c\u1ea5p cho kh\u00f4ng gian c\u1ea7n s\u01b0\u1edfi \u1ea5m<\/li>\n

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

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

    Hi\u1ec7u su\u1ea5t c\u1ee7a m\u1ed9t m\u00e1y b\u01a1m nhi\u1ec7t ph\u1ee5 thu\u1ed9c v\u00e0o nhi\u1ec1u y\u1ebfu t\u1ed1, bao g\u1ed3m:<\/p>\n

    <\/p>\n

  • Ch\u00eanh l\u1ec7ch nhi\u1ec7t \u0111\u1ed9:<\/b> Hi\u1ec7u su\u1ea5t c\u1ee7a m\u00e1y b\u01a1m nhi\u1ec7t t\u0103ng khi ch\u00eanh l\u1ec7ch nhi\u1ec7t \u0111\u1ed9 gi\u1eefa ngu\u1ed3n nhi\u1ec7t v\u00e0 n\u01a1i c\u1ea7n h\u1ea5p th\u1ee5 nhi\u1ec7t gi\u1ea3m.<\/li>\n
  • Ch\u1ea5t l\u00e0m l\u1ea1nh:<\/b> Lo\u1ea1i ch\u1ea5t l\u00e0m l\u1ea1nh s\u1eed d\u1ee5ng trong h\u1ec7 th\u1ed1ng c\u0169ng \u1ea3nh h\u01b0\u1edfng l\u1edbn \u0111\u1ebfn h\u1ec7 s\u1ed1 COP.<\/li>\n
  • K\u1ebft c\u1ea5u v\u00e0 thi\u1ebft k\u1ebf c\u1ee7a h\u1ec7 th\u1ed1ng:<\/b> C\u00e1c thi\u1ebft k\u1ebf hi\u1ec7u qu\u1ea3 v\u1ec1 n\u0103ng l\u01b0\u1ee3ng v\u00e0 k\u1ebft c\u1ea5u t\u1ed1t s\u1ebd g\u00f3p ph\u1ea7n c\u1ea3i thi\u1ec7n COP.<\/li>\n
  • \u0110i\u1ec1u ki\u1ec7n v\u1eadn h\u00e0nh:<\/b> Nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng l\u00e0m vi\u1ec7c v\u00e0 c\u00e1c y\u1ebfu t\u1ed1 th\u1eddi ti\u1ebft c\u00f3 th\u1ec3 l\u00e0m thay \u0111\u1ed5i hi\u1ec7u su\u1ea5t c\u1ee7a m\u00e1y b\u01a1m nhi\u1ec7t.<\/li>\n

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

    \u1ee8ng D\u1ee5ng Th\u1ef1c Ti\u1ec5n<\/h2>\n

    M\u00e1y b\u01a1m nhi\u1ec7t \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng r\u1ed9ng r\u00e3i trong \u0111\u1eddi s\u1ed1ng th\u01b0\u1eddng ng\u00e0y:<\/p>\n

    <\/p>\n

  • S\u01b0\u1edfi \u1ea5m v\u00e0 l\u00e0m m\u00e1t nh\u00e0 \u1edf:<\/b> H\u1ec7 th\u1ed1ng \u0111i\u1ec1u h\u00f2a kh\u00f4ng kh\u00ed v\u00e0 h\u1ec7 th\u1ed1ng s\u01b0\u1edfi \u1ea5m trung t\u00e2m s\u1eed d\u1ee5ng m\u00e1y b\u01a1m nhi\u1ec7t \u0111\u1ec3 cung c\u1ea5p m\u00f4i tr\u01b0\u1eddng s\u1ed1ng tho\u1ea3i m\u00e1i.<\/li>\n
  • C\u00f4ng nghi\u1ec7p:<\/b> Trong c\u00e1c quy tr\u00ecnh c\u00f4ng nghi\u1ec7p, m\u00e1y b\u01a1m nhi\u1ec7t \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 thu h\u1ed3i v\u00e0 t\u00e1i ch\u1ebf nhi\u1ec7t, n\u00e2ng cao hi\u1ec7u qu\u1ea3 s\u1eed d\u1ee5ng n\u0103ng l\u01b0\u1ee3ng.<\/li>\n
  • N\u00f4ng nghi\u1ec7p:<\/b> M\u00e1y b\u01a1m nhi\u1ec7t c\u0169ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong vi\u1ec7c ki\u1ec3m so\u00e1t kh\u00ed h\u1eadu cho nh\u00e0 k\u00ednh v\u00e0 c\u00e1c khu v\u1ef1c canh t\u00e1c kh\u00e1c.<\/li>\n

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

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

    Hi\u1ec7u su\u1ea5t nhi\u1ec7t c\u1ee7a m\u00e1y b\u01a1m nhi\u1ec7t \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c x\u00e1c \u0111\u1ecbnh m\u1ee9c \u0111\u1ed9 hi\u1ec7u qu\u1ea3 v\u00e0 ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng c\u1ee7a h\u1ec7 th\u1ed1ng. B\u1eb1ng c\u00e1ch hi\u1ec3u r\u00f5 c\u00e1c y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng v\u00e0 \u00e1p d\u1ee5ng ch\u00fang m\u1ed9t c\u00e1ch khoa h\u1ecdc, ch\u00fang ta c\u00f3 th\u1ec3 thi\u1ebft k\u1ebf v\u00e0 s\u1eed d\u1ee5ng m\u00e1y b\u01a1m nhi\u1ec7t hi\u1ec7u qu\u1ea3 h\u01a1n trong nhi\u1ec1u l\u0129nh v\u1ef1c kh\u00e1c nhau, t\u1eeb d\u00e2n d\u1ee5ng \u0111\u1ebfn c\u00f4ng nghi\u1ec7p.<\/p>\n","protected":false},"excerpt":{"rendered":"

    Hi\u1ec7u su\u1ea5t nhi\u1ec7t c\u1ee7a m\u00e1y b\u01a1m nhi\u1ec7t: T\u00ecm hi\u1ec3u c\u00e1ch m\u00e1y b\u01a1m nhi\u1ec7t chuy\u1ec3n \u0111\u1ed5i n\u0103ng l\u01b0\u1ee3ng v\u00e0 \u0111\u1ea1t hi\u1ec7u su\u1ea5t cao trong h\u1ec7 th\u1ed1ng s\u01b0\u1edfi v\u00e0 l\u00e0m m\u00e1t.<\/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 m\u00e1y b\u01a1m nhi\u1ec7t<\/title>\n<meta name=\"description\" content=\"Hi\u1ec7u su\u1ea5t nhi\u1ec7t c\u1ee7a m\u00e1y b\u01a1m nhi\u1ec7t: T\u00ecm hi\u1ec3u c\u00e1ch m\u00e1y b\u01a1m nhi\u1ec7t chuy\u1ec3n \u0111\u1ed5i n\u0103ng l\u01b0\u1ee3ng v\u00e0 \u0111\u1ea1t hi\u1ec7u su\u1ea5t cao trong h\u1ec7 th\u1ed1ng s\u01b0\u1edfi v\u00e0 l\u00e0m m\u00e1t.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, 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