{"id":695529,"date":"2024-08-18T11:44:20","date_gmt":"2024-08-18T10:44:20","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=695529"},"modified":"2024-08-18T11:44:20","modified_gmt":"2024-08-18T10:44:20","slug":"dong-luc-hoc-chat-long-trong-cac-lo-phan-ung-hoa-hoc","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/dong-luc-hoc-chat-long-trong-cac-lo-phan-ung-hoa-hoc\/","title":{"rendered":"\u0110\u1ed9ng l\u1ef1c h\u1ecdc ch\u1ea5t l\u1ecfng trong c\u00e1c l\u00f2 ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc"},"content":{"rendered":"

\u0110\u1ed9ng l\u1ef1c h\u1ecdc ch\u1ea5t l\u1ecfng trong c\u00e1c l\u00f2 ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc: T\u00ecm hi\u1ec3u nguy\u00ean l\u00fd d\u00f2ng ch\u1ea3y v\u00e0 truy\u1ec1n nhi\u1ec7t, c\u00e1ch c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t v\u00e0 an to\u00e0n c\u1ee7a l\u00f2 ph\u1ea3n \u1ee9ng.<\/p>\n

\"\u0110\u1ed9ng<\/p>\n

\u0110\u1ed9ng l\u1ef1c h\u1ecdc ch\u1ea5t l\u1ecfng trong c\u00e1c l\u00f2 ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc<\/h2>\n

\u0110\u1ed9ng l\u1ef1c h\u1ecdc ch\u1ea5t l\u1ecfng (Fluid Dynamics) l\u00e0 m\u1ed9t nh\u00e1nh quan tr\u1ecdng c\u1ee7a c\u01a1 h\u1ecdc ch\u1ea5t l\u1ecfng nghi\u00ean c\u1ee9u s\u1ef1 di chuy\u1ec3n c\u1ee7a c\u00e1c ch\u1ea5t l\u1ecfng, bao g\u1ed3m c\u1ea3 ch\u1ea5t kh\u00ed v\u00e0 ch\u1ea5t l\u1ecfng. Trong l\u0129nh v\u1ef1c k\u1ef9 thu\u1eadt nhi\u1ec7t, \u0111\u1ed9ng l\u1ef1c h\u1ecdc ch\u1ea5t l\u1ecfng \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng r\u1ed9ng r\u00e3i trong thi\u1ebft k\u1ebf v\u00e0 v\u1eadn h\u00e0nh c\u00e1c thi\u1ebft b\u1ecb nh\u01b0 l\u00f2 ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc.<\/p>\n

Vai tr\u00f2 c\u1ee7a \u0111\u1ed9ng l\u1ef1c h\u1ecdc ch\u1ea5t l\u1ecfng trong c\u00e1c l\u00f2 ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc<\/h2>\n

C\u00e1c l\u00f2 ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc (Chemical Reactors) th\u01b0\u1eddng d\u1ef1a v\u00e0o hi\u1ec3u bi\u1ebft s\u00e2u s\u1eafc v\u1ec1 \u0111\u1ed9ng l\u1ef1c h\u1ecdc ch\u1ea5t l\u1ecfng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o c\u00e1c ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc di\u1ec5n ra hi\u1ec7u qu\u1ea3 v\u00e0 an to\u00e0n. M\u1ed9t s\u1ed1 vai tr\u00f2 quan tr\u1ecdng c\u1ee7a \u0111\u1ed9ng l\u1ef1c h\u1ecdc ch\u1ea5t l\u1ecfng trong l\u00f2 ph\u1ea3n \u1ee9ng bao g\u1ed3m:<\/p>\n

<\/p>\n

  • Ki\u1ec3m so\u00e1t d\u00f2ng ch\u1ea3y<\/li>\n
  • Tr\u1ed9n l\u1eabn c\u00e1c ch\u1ea5t ph\u1ea3n \u1ee9ng<\/li>\n
  • \u0110\u1ea3m b\u1ea3o trao \u0111\u1ed5i nhi\u1ec7t \u0111\u1ec1u<\/li>\n
  • Gi\u1ea3m thi\u1ec3u c\u00e1c \u0111i\u1ec3m n\u00f3ng v\u00e0 ngu\u1ed9i<\/li>\n

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

    Nguy\u00ean l\u00fd c\u01a1 b\u1ea3n c\u1ee7a \u0111\u1ed9ng l\u1ef1c h\u1ecdc ch\u1ea5t l\u1ecfng<\/h2>\n

    C\u00e1c nguy\u00ean l\u00fd c\u01a1 b\u1ea3n c\u1ee7a \u0111\u1ed9ng l\u1ef1c h\u1ecdc ch\u1ea5t l\u1ecfng bao g\u1ed3m:<\/p>\n

    <\/p>\n

  • Ph\u01b0\u01a1ng tr\u00ecnh li\u00ean t\u1ee5c (Continuity Equation)<\/li>\n
  • \u0110\u1ecbnh lu\u1eadt Newton v\u1ec1 \u0111\u1ed9 nh\u1edbt (Newton’s Law of Viscosity)<\/li>\n
  • Ph\u01b0\u01a1ng tr\u00ecnh Navier-Stokes<\/li>\n

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

    Ph\u01b0\u01a1ng tr\u00ecnh li\u00ean t\u1ee5c \u0111\u1ea3m b\u1ea3o r\u1eb1ng kh\u1ed1i l\u01b0\u1ee3ng kh\u00f4ng b\u1ecb m\u1ea5t m\u00e1t trong qu\u00e1 tr\u00ecnh di chuy\u1ec3n c\u1ee7a ch\u1ea5t l\u1ecfng:<\/p>\n

    \\(\\frac{\\partial \\rho}{\\partial t} + \\nabla \\cdot (\\rho \\vec{v}) = 0\\)<\/p>\n

    \u0110\u1ecbnh lu\u1eadt Newton v\u1ec1 \u0111\u1ed9 nh\u1edbt cho bi\u1ebft l\u1ef1c c\u1ea3n gi\u1eefa c\u00e1c l\u1edbp ch\u1ea5t l\u1ecfng:<\/p>\n

    \\(\\tau = \\mu \\frac{du}{dy}\\)<\/p>\n

    \u1ee8ng d\u1ee5ng trong l\u00f2 ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc<\/h2>\n

    M\u1ed9t thi\u1ebft k\u1ebf l\u00f2 ph\u1ea3n \u1ee9ng hi\u1ec7u qu\u1ea3 \u0111\u00f2i h\u1ecfi ph\u1ea3i hi\u1ec3u r\u00f5 v\u00e0 m\u00f4 ph\u1ecfng \u0111\u01b0\u1ee3c c\u00e1ch m\u00e0 c\u00e1c ch\u1ea5t l\u1ecfng di chuy\u1ec3n v\u00e0 ph\u1ea3n \u1ee9ng b\u00ean trong l\u00f2. M\u1ed9t s\u1ed1 v\u00ed d\u1ee5 bao g\u1ed3m:<\/p>\n

    <\/p>\n

  • L\u00f2 ph\u1ea3n \u1ee9ng li\u00ean t\u1ee5c:<\/b> Ch\u1ea5t ph\u1ea3n \u1ee9ng di chuy\u1ec3n li\u00ean t\u1ee5c qua l\u00f2, c\u1ea7n ki\u1ec3m so\u00e1t d\u00f2ng ch\u1ea3y v\u00e0 t\u1ed1c \u0111\u1ed9 ph\u1ea3n \u1ee9ng.<\/li>\n
  • L\u00f2 ph\u1ea3n \u1ee9ng gi\u00e1n \u0111o\u1ea1n:<\/b> Ch\u1ea5t ph\u1ea3n \u1ee9ng \u0111\u01b0\u1ee3c tr\u1ed9n trong th\u1eddi gian d\u00e0i, c\u1ea7n \u0111\u1ea3m b\u1ea3o ph\u1ea3n \u1ee9ng \u0111\u1ed3ng nh\u1ea5t.<\/li>\n
  • L\u00f2 ph\u1ea3n \u1ee9ng d\u1ea1ng \u1ed1ng:<\/b> Ch\u1ea5t ph\u1ea3n \u1ee9ng di chuy\u1ec3n qua nhi\u1ec1u \u0111o\u1ea1n \u1ed1ng, c\u1ea7n gi\u1ea3i quy\u1ebft c\u00e1c m\u00e2u thu\u1eabn v\u1ec1 d\u00f2ng ch\u1ea3y v\u00e0 nhi\u1ec7t \u0111\u1ed9.<\/li>\n

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

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

    \u0110\u1ed9ng l\u1ef1c h\u1ecdc ch\u1ea5t l\u1ecfng \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c thi\u1ebft k\u1ebf v\u00e0 v\u1eadn h\u00e0nh c\u00e1c l\u00f2 ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc. N\u1eafm v\u1eefng c\u00e1c nguy\u00ean l\u00fd v\u00e0 \u1ee9ng d\u1ee5ng \u0111\u1ed9ng l\u1ef1c h\u1ecdc ch\u1ea5t l\u1ecfng s\u1ebd gi\u00fap c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t, an to\u00e0n, v\u00e0 \u0111\u1ed9 b\u1ec1n c\u1ee7a c\u00e1c l\u00f2 ph\u1ea3n \u1ee9ng, g\u00f3p ph\u1ea7n v\u00e0o s\u1ef1 ti\u1ebfn b\u1ed9 c\u1ee7a c\u00f4ng ngh\u1ec7 v\u00e0 khoa h\u1ecdc hi\u1ec7n \u0111\u1ea1i.<\/p>\n","protected":false},"excerpt":{"rendered":"

    \u0110\u1ed9ng l\u1ef1c h\u1ecdc ch\u1ea5t l\u1ecfng trong c\u00e1c l\u00f2 ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc: T\u00ecm hi\u1ec3u nguy\u00ean l\u00fd d\u00f2ng ch\u1ea3y v\u00e0 truy\u1ec1n nhi\u1ec7t, c\u00e1ch c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t v\u00e0 an to\u00e0n c\u1ee7a l\u00f2 ph\u1ea3n \u1ee9ng.<\/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":"\n\u0110\u1ed9ng l\u1ef1c h\u1ecdc ch\u1ea5t l\u1ecfng trong c\u00e1c l\u00f2 ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc<\/title>\n<meta name=\"description\" content=\"\u0110\u1ed9ng l\u1ef1c h\u1ecdc ch\u1ea5t l\u1ecfng trong c\u00e1c l\u00f2 ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc: T\u00ecm hi\u1ec3u nguy\u00ean l\u00fd d\u00f2ng ch\u1ea3y v\u00e0 truy\u1ec1n nhi\u1ec7t, c\u00e1ch c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t v\u00e0 an to\u00e0n c\u1ee7a l\u00f2 ph\u1ea3n 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