{"id":684168,"date":"2024-09-27T22:16:09","date_gmt":"2024-09-27T21:16:09","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=684168"},"modified":"2024-09-27T22:16:09","modified_gmt":"2024-09-27T21:16:09","slug":"10-chi-so-hieu-suat-nhiet-trong-dong-co","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/10-chi-so-hieu-suat-nhiet-trong-dong-co\/","title":{"rendered":"10 Ch\u1ec9 S\u1ed1 Hi\u1ec7u Su\u1ea5t Nhi\u1ec7t Trong \u0110\u1ed9ng C\u01a1"},"content":{"rendered":"

C\u00e1c ch\u1ec9 s\u1ed1 hi\u1ec7u su\u1ea5t nhi\u1ec7t quan tr\u1ecdng trong \u0111\u1ed9ng c\u01a1 gi\u00fap \u0111\u00e1nh gi\u00e1 m\u1ee9c \u0111\u1ed9 hi\u1ec7u qu\u1ea3 n\u0103ng l\u01b0\u1ee3ng v\u00e0 t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t ho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u00e1y m\u00f3c.<\/p>\n

\"10<\/p>\n

10 Ch\u1ec9 S\u1ed1 Hi\u1ec7u Su\u1ea5t Nhi\u1ec7t Trong \u0110\u1ed9ng C\u01a1<\/h2>\n

Hi\u1ec7u su\u1ea5t nhi\u1ec7t c\u1ee7a \u0111\u1ed9ng c\u01a1 l\u00e0 m\u1ed9t y\u1ebfu t\u1ed1 quan tr\u1ecdng quy\u1ebft \u0111\u1ecbnh hi\u1ec7u qu\u1ea3 s\u1eed d\u1ee5ng n\u0103ng l\u01b0\u1ee3ng. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 10 ch\u1ec9 s\u1ed1 ti\u00eau bi\u1ec3u gi\u00fap b\u1ea1n \u0111\u00e1nh gi\u00e1 hi\u1ec7u su\u1ea5t nhi\u1ec7t c\u1ee7a \u0111\u1ed9ng c\u01a1.<\/p>\n

<\/p>\n

  • Hi\u1ec7u Su\u1ea5t Chung (Overall Efficiency)<\/strong><\/li>\n

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

    \u0110\u00e2y l\u00e0 t\u1ec9 l\u1ec7 gi\u1eefa c\u00f4ng h\u1eefu \u00edch sinh ra v\u00e0 nhi\u1ec7t l\u01b0\u1ee3ng do nhi\u00ean li\u1ec7u cung c\u1ea5p. C\u00f4ng th\u1ee9c t\u00ednh l\u00e0:<\/p>\n

    \\(\\eta = \\frac{W}{Q} \\times 100\\%\\)<\/p>\n

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

    W: C\u00f4ng h\u1eefu \u00edch (Joule)<\/p>\n

    Q: Nhi\u1ec7t l\u01b0\u1ee3ng cung c\u1ea5p (Joule)<\/p>\n

    <\/p>\n

  • Hi\u1ec7u Su\u1ea5t C\u01a1 (Mechanical Efficiency)<\/strong><\/li>\n

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

    L\u00e0 t\u1ec9 l\u1ec7 gi\u1eefa c\u00f4ng c\u01a1 h\u1ecdc sinh ra v\u00e0 c\u00f4ng sinh ra t\u1eeb qu\u00e1 tr\u00ecnh ch\u00e1y:<\/p>\n

    \\(\\eta_{c\u01a1} = \\frac{W_{c\u01a1}}{W_{\u0111\u1ed1t}} \\times 100\\%\\)<\/p>\n

    Wc\u01a1<\/sub>: C\u00f4ng c\u01a1 h\u1ecdc<\/p>\n

    W\u0111\u1ed1t<\/sub>: C\u00f4ng t\u1eeb qu\u00e1 tr\u00ecnh ch\u00e1y<\/p>\n

    <\/p>\n

  • Hi\u1ec7u Su\u1ea5t Chu Tr\u00ecnh (Cycle Efficiency)<\/strong><\/li>\n

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

    L\u00e0 t\u1ec9 l\u1ec7 gi\u1eefa c\u00f4ng sinh ra trong m\u1ed9t chu k\u1ef3 v\u00e0 nhi\u1ec7t l\u01b0\u1ee3ng c\u1ea5p v\u00e0o:<\/p>\n

    \\(\\eta_{chu\\ trinh} = \\frac{W_{chu\\ trinh}}{Q_{c\u1ea5p}} \\times 100\\%\\)<\/p>\n

    <\/p>\n

  • Hi\u1ec7u Su\u1ea5t Ch\u00e1y (Combustion Efficiency)<\/strong><\/li>\n

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

    \u0110\u00e2y l\u00e0 t\u1ec9 l\u1ec7 gi\u1eefa nhi\u1ec7t sinh ra trong qu\u00e1 tr\u00ecnh ch\u00e1y v\u00e0 t\u1ed5ng nhi\u1ec7t n\u0103ng c\u1ee7a nhi\u00ean li\u1ec7u:<\/p>\n

    \\(\\eta_{ch\u00e1y} = \\frac{Q_{ch\u00e1y}}{Q_{nhi\u00ean\\ li\u1ec7u}} \\times 100\\%\\)<\/p>\n

    <\/p>\n

  • Hi\u1ec7u Su\u1ea5t Nhi\u1ec7t T\u0129nh (Isentropic Efficiency)<\/strong><\/li>\n

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

    L\u00e0 t\u1ec9 l\u1ec7 gi\u1eefa c\u00f4ng th\u1ef1c hi\u1ec7n tr\u00ean \u0111\u1ed9ng c\u01a1 v\u00e0 c\u00f4ng l\u00fd t\u01b0\u1edfng trong qu\u00e1 tr\u00ecnh bi\u1ebfn \u0111\u1ed5i isentropic:<\/p>\n

    \\(\\eta_{isentropic} = \\frac{W_{th\u1ef1c}}{W_{isentropic}} \\times 100\\%\\)<\/p>\n

    <\/p>\n

  • Hi\u1ec7u Su\u1ea5t Nhi\u1ec7t Cao (High-Temperature Efficiency)<\/strong><\/li>\n

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

    \u0110\u00e1nh gi\u00e1 hi\u1ec7u qu\u1ea3 s\u1eed d\u1ee5ng nhi\u1ec7t t\u1ea1i nhi\u1ec7t \u0111\u1ed9 cao trong \u0111\u1ed9ng c\u01a1.<\/p>\n

    <\/p>\n

  • Hi\u1ec7u Su\u1ea5t Nhi\u1ec7t Th\u1ea5p (Low-Temperature Efficiency)<\/strong><\/li>\n

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

    \u0110\u00e1nh gi\u00e1 hi\u1ec7u qu\u1ea3 s\u1eed d\u1ee5ng nhi\u1ec7t t\u1ea1i nhi\u1ec7t \u0111\u1ed9 th\u1ea5p h\u01a1n trong \u0111\u1ed9ng c\u01a1.<\/p>\n

    <\/p>\n

  • Hi\u1ec7u Su\u1ea5t T\u00e1i Sinh (Regenerative Efficiency)<\/strong><\/li>\n

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

    L\u00e0 hi\u1ec7u su\u1ea5t nhi\u1ec7t c\u1ee7a chu k\u1ef3 khi s\u1eed d\u1ee5ng b\u1ed9 trao \u0111\u1ed5i nhi\u1ec7t t\u00e1i sinh.<\/p>\n

    <\/p>\n

  • Hi\u1ec7u Su\u1ea5t T\u1ed5ng Qu\u00e1t (Overall Thermal Efficiency)<\/strong><\/li>\n

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

    \u0110\u00e1nh gi\u00e1 hi\u1ec7u qu\u1ea3 t\u1ed5ng th\u1ec3 c\u1ee7a vi\u1ec7c bi\u1ebfn \u0111\u1ed5i nhi\u1ec7t n\u0103ng th\u00e0nh c\u00f4ng c\u01a1 h\u1ecdc.<\/p>\n

    <\/p>\n

  • Hi\u1ec7u Su\u1ea5t Nhi\u00ean Li\u1ec7u (Fuel Efficiency)<\/strong><\/li>\n

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

    T\u1ec9 l\u1ec7 gi\u1eefa nhi\u1ec7t l\u01b0\u1ee3ng thu \u0111\u01b0\u1ee3c t\u1eeb nhi\u00ean li\u1ec7u v\u00e0 t\u1ed5ng n\u0103ng l\u01b0\u1ee3ng cung c\u1ea5p:<\/p>\n

    \\(\\eta_{nhi\u00ean\\ li\u1ec7u} = \\frac{Q_{thu\\ \u0111\u01b0\u1ee3c}}{E_{nhi\u00ean\\ li\u1ec7u}} \\times 100\\%\\)<\/p>\n

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

    Hi\u1ec3u r\u00f5 c\u00e1c ch\u1ec9 s\u1ed1 n\u00e0y gi\u00fap b\u1ea1n \u0111\u00e1nh gi\u00e1 v\u00e0 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t c\u1ee7a c\u00e1c h\u1ec7 th\u1ed1ng \u0111\u1ed9ng c\u01a1, \u0111\u1ea3m b\u1ea3o vi\u1ec7c s\u1eed d\u1ee5ng n\u0103ng l\u01b0\u1ee3ng m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3 nh\u1ea5t.<\/p>\n","protected":false},"excerpt":{"rendered":"

    C\u00e1c ch\u1ec9 s\u1ed1 hi\u1ec7u su\u1ea5t nhi\u1ec7t quan tr\u1ecdng trong \u0111\u1ed9ng c\u01a1 gi\u00fap \u0111\u00e1nh gi\u00e1 m\u1ee9c \u0111\u1ed9 hi\u1ec7u qu\u1ea3 n\u0103ng l\u01b0\u1ee3ng v\u00e0 t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t ho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u00e1y m\u00f3c.<\/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":"\n10 Ch\u1ec9 S\u1ed1 Hi\u1ec7u Su\u1ea5t Nhi\u1ec7t Trong \u0110\u1ed9ng C\u01a1<\/title>\n<meta name=\"description\" content=\"C\u00e1c ch\u1ec9 s\u1ed1 hi\u1ec7u su\u1ea5t nhi\u1ec7t quan tr\u1ecdng trong \u0111\u1ed9ng c\u01a1 gi\u00fap \u0111\u00e1nh gi\u00e1 m\u1ee9c \u0111\u1ed9 hi\u1ec7u qu\u1ea3 n\u0103ng l\u01b0\u1ee3ng v\u00e0 t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t ho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u00e1y m\u00f3c.\" \/>\n<meta name=\"robots\" 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