![\"S\u1ef1](\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/su_truyen_nhiet_doi_luu_trong_dung_dich_nano.png\")
<\/p>\nS\u1ef1 truy\u1ec1n nhi\u1ec7t \u0111\u1ed1i l\u01b0u trong dung d\u1ecbch nano: Kh\u00e1m ph\u00e1 c\u00e1ch th\u1ee9c truy\u1ec1n nhi\u1ec7t qua dung d\u1ecbch ch\u1ee9a c\u00e1c h\u1ea1t nano v\u00e0 \u1ee9ng d\u1ee5ng c\u1ee7a n\u00f3 trong c\u00e1c h\u1ec7 th\u1ed1ng nhi\u1ec7t.<\/p>\n
<\/p>\n
\nTrong l\u0129nh v\u1ef1c k\u1ef9 thu\u1eadt nhi\u1ec7t, dung d\u1ecbch nano<\/i> l\u00e0 m\u1ed9t lo\u1ea1i ch\u1ea5t l\u1ecfng ch\u1ee9a c\u00e1c h\u1ea1t nano v\u00f4 c\u00f9ng nh\u1ecf \u0111\u01b0\u1ee3c ph\u00e2n t\u00e1n b\u00ean trong. Nh\u1eefng h\u1ea1t n\u00e0y th\u01b0\u1eddng l\u00e0 kim lo\u1ea1i, oxit kim lo\u1ea1i, ho\u1eb7c c\u00e1c h\u1ee3p ch\u1ea5t carbon. S\u1ef1 c\u00f3 m\u1eb7t c\u1ee7a c\u00e1c h\u1ea1t nano l\u00e0m thay \u0111\u1ed5i t\u00ednh ch\u1ea5t nhi\u1ec7t \u0111\u1ed9ng l\u1ef1c h\u1ecdc c\u1ee7a dung d\u1ecbch, t\u1eeb \u0111\u00f3 t\u1ea1o ra nh\u1eefng \u1ee9ng d\u1ee5ng th\u00fa v\u1ecb trong vi\u1ec7c truy\u1ec1n nhi\u1ec7t. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd t\u1eadp trung v\u00e0o s\u1ef1 truy\u1ec1n nhi\u1ec7t \u0111\u1ed1i l\u01b0u trong dung d\u1ecbch nano.\n<\/p>\n\u0110\u1ed1i L\u01b0u L\u00e0 G\u00ec?<\/h2>\n
\n\u0110\u1ed1i l\u01b0u l\u00e0 qu\u00e1 tr\u00ecnh truy\u1ec1n nhi\u1ec7t trong ch\u1ea5t l\u1ecfng ho\u1eb7c kh\u00ed do s\u1ef1 di chuy\u1ec3n c\u1ee7a c\u00e1c ph\u00e2n t\u1eed. \u0110\u00e2y l\u00e0 m\u1ed9t c\u01a1 ch\u1ebf quan tr\u1ecdng trong nhi\u1ec1u \u1ee9ng d\u1ee5ng k\u1ef9 thu\u1eadt nhi\u1ec7t, t\u1eeb t\u1ea3n nhi\u1ec7t trong c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed \u0111\u1ebfn c\u00e1c h\u1ec7 th\u1ed1ng l\u00e0m m\u00e1t c\u00f4ng nghi\u1ec7p.\n<\/p>\n
\nS\u1ef1 truy\u1ec1n nhi\u1ec7t \u0111\u1ed1i l\u01b0u trong dung d\u1ecbch nano ph\u1ee5 thu\u1ed9c v\u00e0o nhi\u1ec1u y\u1ebfu t\u1ed1, bao g\u1ed3m:\n<\/p>\n
\nPh\u01b0\u01a1ng tr\u00ecnh truy\u1ec1n nhi\u1ec7t \u0111\u1ed1i l\u01b0u trong dung d\u1ecbch nano th\u01b0\u1eddng l\u00e0 c\u00e1c ph\u01b0\u01a1ng tr\u00ecnh d\u1eabn su\u1ea5t t\u1eeb ph\u01b0\u01a1ng tr\u00ecnh Navier-Stokes v\u00e0 ph\u01b0\u01a1ng tr\u00ecnh n\u0103ng l\u01b0\u1ee3ng. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 ph\u01b0\u01a1ng tr\u00ecnh c\u01a1 b\u1ea3n:\n<\/p>\n
\\[
\n\\frac{\\partial \\rho}{\\partial t} + \\nabla \\cdot (\\rho \\mathbf{u}) = 0
\n\\]\n
\\[
\n\\rho \\left( \\frac{\\partial \\mathbf{u}}{\\partial t} + \\mathbf{u} \\cdot \\nabla \\mathbf{u} \\right) = -\\nabla p + \\mu \\nabla^2 \\mathbf{u} + \\mathbf{F}
\n\\]\n
\\[
\n\\rho c_p \\left( \\frac{\\partial T}{\\partial t} + \\mathbf{u} \\cdot \\nabla T \\right) = k \\nabla^2 T
\n\\]\n
\nTrong \u0111\u00f3:\n<\/p>\n
\nDung d\u1ecbch nano c\u00f3 nhi\u1ec1u \u1ee9ng d\u1ee5ng th\u1ef1c ti\u1ec5n trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p v\u00e0 k\u1ef9 thu\u1eadt nh\u01b0:\n<\/p>\n
\nT\u00f3m l\u1ea1i, s\u1ef1 truy\u1ec1n nhi\u1ec7t \u0111\u1ed1i l\u01b0u trong dung d\u1ecbch nano l\u00e0 m\u1ed9t l\u0129nh v\u1ef1c \u0111\u1ea7y h\u1ee9a h\u1eb9n v\u1edbi nhi\u1ec1u \u1ee9ng d\u1ee5ng th\u1ef1c ti\u1ec5n. Hi\u1ec3u r\u00f5 c\u00e1c y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng v\u00e0 \u1ee9ng d\u1ee5ng c\u00f3 th\u1ec3 gi\u00fap t\u1ed1i \u01b0u hi\u1ec7u su\u1ea5t v\u00e0 hi\u1ec7u qu\u1ea3 trong nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p.<\/p>\n","protected":false},"excerpt":{"rendered":"
S\u1ef1 truy\u1ec1n nhi\u1ec7t \u0111\u1ed1i l\u01b0u trong dung d\u1ecbch nano: Kh\u00e1m ph\u00e1 c\u00e1ch th\u1ee9c truy\u1ec1n nhi\u1ec7t qua dung d\u1ecbch ch\u1ee9a c\u00e1c h\u1ea1t nano v\u00e0 \u1ee9ng d\u1ee5ng c\u1ee7a n\u00f3 trong c\u00e1c h\u1ec7 th\u1ed1ng nhi\u1ec7t.<\/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