![\"\u0110\u1ed9ng](\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/dong_luc_hoc_chat_long_trong_vi_lo_phan_ung.png\")
<\/p>\n\u0110\u1ed9ng l\u1ef1c h\u1ecdc ch\u1ea5t l\u1ecfng trong vi l\u00f2 ph\u1ea3n \u1ee9ng: C\u00e1ch ch\u1ea5t l\u1ecfng di chuy\u1ec3n v\u00e0 t\u01b0\u01a1ng t\u00e1c trong c\u00e1c vi l\u00f2 ph\u1ea3n \u1ee9ng, \u1ee9ng d\u1ee5ng trong h\u00f3a h\u1ecdc v\u00e0 c\u00f4ng nghi\u1ec7p.<\/p>\n
<\/p>\n
Vi l\u00f2 ph\u1ea3n \u1ee9ng l\u00e0 nh\u1eefng h\u1ec7 th\u1ed1ng nh\u1ecf g\u1ecdn \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc trong m\u00f4i tr\u01b0\u1eddng vi m\u00f4. \u0110\u1ed9ng l\u1ef1c h\u1ecdc ch\u1ea5t l\u1ecfng trong vi l\u00f2 ph\u1ea3n \u1ee9ng \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c t\u1ed1i \u01b0u h\u00f3a v\u00e0 ki\u1ec3m so\u00e1t c\u00e1c qu\u00e1 tr\u00ecnh ph\u1ea3n \u1ee9ng. Hi\u1ec3u bi\u1ebft v\u1ec1 c\u00e1ch ch\u1ea5t l\u1ecfng di chuy\u1ec3n v\u00e0 t\u01b0\u01a1ng t\u00e1c trong vi l\u00f2 ph\u1ea3n \u1ee9ng s\u1ebd gi\u00fap ch\u00fang ta c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t v\u00e0 an to\u00e0n c\u1ee7a c\u00e1c ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc.<\/p>\n
\u0110\u1ed9ng l\u1ef1c h\u1ecdc ch\u1ea5t l\u1ecfng trong vi l\u00f2 ph\u1ea3n \u1ee9ng ch\u1ee7 y\u1ebfu d\u1ef1a tr\u00ean c\u00e1c nguy\u00ean l\u00fd c\u01a1 b\u1ea3n c\u1ee7a c\u01a1 h\u1ecdc ch\u1ea5t l\u1ecfng, bao g\u1ed3m c\u00e1c ph\u01b0\u01a1ng tr\u00ecnh li\u00ean quan \u0111\u1ebfn \u0111\u1ecbnh lu\u1eadt b\u1ea3o to\u00e0n kh\u1ed1i l\u01b0\u1ee3ng (ph\u01b0\u01a1ng tr\u00ecnh li\u00ean t\u1ee5c), \u0111\u1ecbnh lu\u1eadt b\u1ea3o to\u00e0n \u0111\u1ed9ng l\u01b0\u1ee3ng (ph\u01b0\u01a1ng tr\u00ecnh Navier-Stokes), v\u00e0 \u0111\u1ecbnh lu\u1eadt b\u1ea3o to\u00e0n n\u0103ng l\u01b0\u1ee3ng (ph\u01b0\u01a1ng tr\u00ecnh n\u0103ng l\u01b0\u1ee3ng).<\/p>\n
<\/u1><\/p>\n \\[ Trong \u0111\u00f3, \\(\\rho\\) l\u00e0 m\u1eadt \u0111\u1ed9 ch\u1ea5t l\u1ecfng v\u00e0 \\(\\mathbf{v}\\) l\u00e0 v\u1eadn t\u1ed1c.<\/p>\n <\/u1><\/p>\n \\[ Trong \u0111\u00f3, \\(p\\) l\u00e0 \u00e1p su\u1ea5t, \\(\\mu\\) l\u00e0 \u0111\u1ed9 nh\u1edbt \u0111\u1ed9ng h\u1ecdc, v\u00e0 \\(\\mathbf{f}\\) l\u00e0 l\u1ef1c ngo\u1ea1i sinh.<\/p>\n <\/u1><\/p>\n \\[ Trong \u0111\u00f3, \\(c_p\\) l\u00e0 nhi\u1ec7t dung ri\u00eang, \\(T\\) l\u00e0 nhi\u1ec7t \u0111\u1ed9, \\(k\\) l\u00e0 h\u1ec7 s\u1ed1 d\u1eabn nhi\u1ec7t, v\u00e0 \\(Q\\) l\u00e0 ngu\u1ed3n nhi\u1ec7t.<\/p>\n <\/u1><\/p>\n K\u00edch th\u01b0\u1edbc nh\u1ecf c\u1ee7a vi l\u00f2 ph\u1ea3n \u1ee9ng cho ph\u00e9p ki\u1ec3m so\u00e1t nhi\u1ec7t \u0111\u1ed9, \u00e1p su\u1ea5t, v\u00e0 t\u1ed1c \u0111\u1ed9 d\u00f2ng ch\u1ea5t l\u1ecfng m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c.<\/p>\n <\/u1><\/p>\n D\u00f2ng ch\u1ea3y laminar \u1ed5n \u0111\u1ecbnh trong vi l\u00f2 ph\u1ea3n \u1ee9ng c\u1ea3i thi\u1ec7n s\u1ef1 tr\u1ed9n l\u1eabn v\u00e0 truy\u1ec1n nhi\u1ec7t, d\u1eabn \u0111\u1ebfn hi\u1ec7u su\u1ea5t ph\u1ea3n \u1ee9ng cao h\u01a1n.<\/p>\n <\/u1><\/p>\n S\u1eed d\u1ee5ng l\u01b0\u1ee3ng nh\u1ecf h\u00f3a ch\u1ea5t gi\u00fap gi\u1ea3m thi\u1ec3u r\u1ee7i ro v\u00e0 ti\u1ebft ki\u1ec7m nguy\u00ean li\u1ec7u.<\/p>\n Vi l\u00f2 ph\u1ea3n \u1ee9ng c\u00f3 nhi\u1ec1u \u1ee9ng d\u1ee5ng trong c\u00f4ng nghi\u1ec7p v\u00e0 nghi\u00ean c\u1ee9u khoa h\u1ecdc, bao g\u1ed3m:<\/p>\n <\/o1><\/p>\n \u0110\u1ed9ng l\u1ef1c h\u1ecdc ch\u1ea5t l\u1ecfng trong vi l\u00f2 ph\u1ea3n \u1ee9ng l\u00e0 l\u0129nh v\u1ef1c nghi\u00ean c\u1ee9u quan tr\u1ecdng gi\u00fap ch\u00fang ta thi\u1ebft k\u1ebf v\u00e0 t\u1ed1i \u01b0u h\u00f3a c\u00e1c qui tr\u00ecnh ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc trong m\u00f4i tr\u01b0\u1eddng nh\u1ecf g\u1ecdn v\u00e0 ki\u1ec3m so\u00e1t t\u1ed1t. B\u1eb1ng c\u00e1ch \u00e1p d\u1ee5ng c\u00e1c nguy\u00ean l\u00fd c\u01a1 b\u1ea3n c\u1ee7a c\u01a1 h\u1ecdc ch\u1ea5t l\u1ecfng, ch\u00fang ta c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t, an to\u00e0n v\u00e0 ti\u1ebft ki\u1ec7m chi ph\u00ed trong c\u00e1c \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p v\u00e0 khoa h\u1ecdc.<\/p>\n","protected":false},"excerpt":{"rendered":" \u0110\u1ed9ng l\u1ef1c h\u1ecdc ch\u1ea5t l\u1ecfng trong vi l\u00f2 ph\u1ea3n \u1ee9ng: C\u00e1ch ch\u1ea5t l\u1ecfng di chuy\u1ec3n v\u00e0 t\u01b0\u01a1ng t\u00e1c trong c\u00e1c vi l\u00f2 ph\u1ea3n \u1ee9ng, \u1ee9ng d\u1ee5ng trong h\u00f3a h\u1ecdc v\u00e0 c\u00f4ng nghi\u1ec7p.<\/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
\n\\frac{\\partial \\rho}{\\partial t} + \\nabla \\cdot (\\rho \\mathbf{v}) = 0
\n\\]\n
\n\\rho \\left( \\frac{\\partial \\mathbf{v}}{\\partial t} + \\mathbf{v} \\cdot \\nabla \\mathbf{v} \\right) = -\\nabla p + \\mu \\nabla^2 \\mathbf{v} + \\mathbf{f}
\n\\]\n
\n\\rho c_p \\left( \\frac{\\partial T}{\\partial t} + \\mathbf{v} \\cdot \\nabla T \\right) = k \\nabla^2 T + Q
\n\\]\n\u01afu \u0111i\u1ec3m c\u1ee7a Vi L\u00f2 Ph\u1ea3n \u1ee8ng<\/h2>\n
\u1ee8ng d\u1ee5ng<\/h2>\n
K\u1ebft lu\u1eadn<\/h2>\n