{"id":708705,"date":"2024-09-09T06:06:20","date_gmt":"2024-09-09T05:06:20","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=708705"},"modified":"2024-09-09T06:06:20","modified_gmt":"2024-09-09T05:06:20","slug":"dinh-luat-darcy-trong-dong-chay-chat-long-la-gi","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/dinh-luat-darcy-trong-dong-chay-chat-long-la-gi\/","title":{"rendered":"\u0110\u1ecbnh Lu\u1eadt Darcy Trong D\u00f2ng Ch\u1ea3y Ch\u1ea5t L\u1ecfng L\u00e0 G\u00ec?"},"content":{"rendered":"<p class=\"sidekick\">\u0110\u1ecbnh lu\u1eadt Darcy trong d\u00f2ng ch\u1ea3y ch\u1ea5t l\u1ecfng l\u00e0 nguy\u00ean l\u00fd c\u01a1 b\u1ea3n gi\u00fap hi\u1ec3u c\u00e1ch ch\u1ea5t l\u1ecfng di chuy\u1ec3n qua v\u1eadt li\u1ec7u x\u1ed1p, c\u1ef1c k\u1ef3 quan tr\u1ecdng trong k\u1ef9 thu\u1eadt v\u00e0 m\u00f4i tr\u01b0\u1eddng.<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/dinh_luat_darcy_trong_dong_chay_chat_long_la_gi.png\" alt=\"\u0110\u1ecbnh Lu\u1eadt Darcy Trong D\u00f2ng Ch\u1ea3y Ch\u1ea5t L\u1ecfng L\u00e0 G\u00ec?\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>\u0110\u1ecbnh Lu\u1eadt Darcy Trong D\u00f2ng Ch\u1ea3y Ch\u1ea5t L\u1ecfng L\u00e0 G\u00ec?<\/h2>\n<p>\u0110\u1ecbnh lu\u1eadt Darcy l\u00e0 m\u1ed9t kh\u00e1i ni\u1ec7m quan tr\u1ecdng trong ng\u00e0nh k\u1ef9 thu\u1eadt nhi\u1ec7t v\u00e0 c\u01a1 h\u1ecdc ch\u1ea5t l\u1ecfng, \u0111\u1eb7c bi\u1ec7t khi nghi\u00ean c\u1ee9u d\u00f2ng ch\u1ea3y c\u1ee7a ch\u1ea5t l\u1ecfng qua m\u00f4i tr\u01b0\u1eddng x\u1ed1p nh\u01b0 \u0111\u1ea5t, c\u00e1t ho\u1eb7c c\u00e1c lo\u1ea1i v\u1eadt li\u1ec7u l\u1ecdc kh\u00e1c. \u0110\u01b0\u1ee3c \u0111\u1eb7t theo t\u00ean c\u1ee7a nh\u00e0 khoa h\u1ecdc ng\u01b0\u1eddi Ph\u00e1p Henry Darcy, \u0111\u1ecbnh lu\u1eadt n\u00e0y gi\u00fap d\u1ef1 \u0111o\u00e1n v\u00e0 m\u00f4 t\u1ea3 c\u00e1ch m\u00e0 ch\u1ea5t l\u1ecfng di chuy\u1ec3n qua c\u00e1c v\u1eadt li\u1ec7u n\u00e0y.<\/p>\n<h2>\u0110\u1ecbnh ngh\u0129a \u0110\u1ecbnh Lu\u1eadt Darcy<\/h2>\n<p>\u0110\u1ecbnh lu\u1eadt Darcy c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c di\u1ec5n \u0111\u1ea1t th\u00f4ng qua c\u00f4ng th\u1ee9c:<\/p>\n<p>\nQ = &#8211; k * A * ( \\frac{\\Delta P}{L} )\n<\/p>\n<p>\u1ede \u0111\u00e2y:<\/p>\n<p><u1><\/p>\n<li><b>Q<\/b>: L\u01b0u l\u01b0\u1ee3ng d\u00f2ng ch\u1ea3y (t\u1ed1c \u0111\u1ed9 d\u00f2ng ch\u1ea3y) qua m\u00f4i tr\u01b0\u1eddng x\u1ed1p.<\/li>\n<li><b>k<\/b>: H\u1ec7 s\u1ed1 th\u1ea5m th\u1ee7y l\u1ef1c (c\u0169ng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u0111\u1ed9 th\u1ea5m), ch\u1ec9 t\u00ednh kh\u1ea3 n\u0103ng cho ph\u00e9p ch\u1ea5t l\u1ecfng di chuy\u1ec3n qua.<\/li>\n<li><b>A<\/b>: Di\u1ec7n t\u00edch m\u1eb7t c\u1eaft ngang qua \u0111\u00f3 ch\u1ea5t l\u1ecfng di chuy\u1ec3n.<\/li>\n<li><b>\\Delta P<\/b>: S\u1ef1 ch\u00eanh l\u1ec7ch \u00e1p su\u1ea5t gi\u1eefa hai \u0111\u1ea7u c\u1ee7a chi\u1ec1u d\u00e0i v\u1eadt li\u1ec7u x\u1ed1p.<\/li>\n<li><b>L<\/b>: Chi\u1ec1u d\u00e0i c\u1ee7a v\u1eadt li\u1ec7u x\u1ed1p m\u00e0 ch\u1ea5t l\u1ecfng \u0111i qua.<\/li>\n<p><\/u1><\/p>\n<h2>C\u00e1c \u1ee8ng D\u1ee5ng C\u1ee7a \u0110\u1ecbnh Lu\u1eadt Darcy<\/h2>\n<p>\u0110\u1ecbnh lu\u1eadt Darcy c\u00f3 nhi\u1ec1u \u1ee9ng d\u1ee5ng th\u1ef1c t\u1ebf trong k\u1ef9 thu\u1eadt v\u00e0 khoa h\u1ecdc. M\u1ed9t s\u1ed1 v\u00ed d\u1ee5 bao g\u1ed3m:<\/p>\n<p><u1><\/p>\n<li><b>K\u1ef9 thu\u1eadt d\u1ea7u kh\u00ed:<\/b> \u0110\u1ecbnh lu\u1eadt n\u00e0y d\u00f9ng \u0111\u1ec3 d\u1ef1 \u0111o\u00e1n l\u01b0\u1ee3ng d\u1ea7u ho\u1eb7c kh\u00ed c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c khai th\u00e1c t\u1eeb c\u00e1c t\u1ea7ng \u0111\u00e1 ch\u1ee9a d\u1ea7u.<\/li>\n<li><b>K\u1ef9 thu\u1eadt m\u00f4i tr\u01b0\u1eddng:<\/b> Gi\u00fap t\u00ednh to\u00e1n t\u1ed1c \u0111\u1ed9 lan truy\u1ec1n c\u1ee7a c\u00e1c ch\u1ea5t \u00f4 nhi\u1ec5m trong t\u1ea7ng ng\u1eadm n\u01b0\u1edbc ho\u1eb7c \u0111\u1ea5t.<\/li>\n<li><b>X\u00e2y d\u1ef1ng:<\/b> \u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 thi\u1ebft k\u1ebf c\u00e1c h\u1ec7 th\u1ed1ng tho\u00e1t n\u01b0\u1edbc v\u00e0 d\u1ef1 \u0111o\u00e1n suy gi\u1ea3m n\u01b0\u1edbc ng\u1ea7m trong c\u00e1c c\u00f4ng tr\u00ecnh x\u00e2y d\u1ef1ng.<\/li>\n<p><\/u1><\/p>\n<h2>C\u00e1c Gi\u1ea3 \u0110\u1ecbnh C\u1ee7a \u0110\u1ecbnh Lu\u1eadt Darcy<\/h2>\n<p>D\u00f9 r\u1ea5t h\u1eefu \u00edch, \u0111\u1ecbnh lu\u1eadt Darcy \u0111i k\u00e8m v\u1edbi m\u1ed9t s\u1ed1 gi\u1ea3 \u0111\u1ecbnh nh\u1ea5t \u0111\u1ecbnh m\u00e0 ng\u01b0\u1eddi s\u1eed d\u1ee5ng c\u1ea7n l\u01b0u \u00fd:<\/p>\n<p><o1><\/p>\n<li>Ch\u1ea5t l\u1ecfng l\u00e0 kh\u00f4ng n\u00e9n, ngh\u0129a l\u00e0 m\u1eadt \u0111\u1ed9 c\u1ee7a n\u00f3 kh\u00f4ng thay \u0111\u1ed5i theo \u00e1p su\u1ea5t.<\/li>\n<li>D\u00f2ng ch\u1ea3y l\u00e0 \u1ed5n \u0111\u1ecbnh v\u00e0 kh\u00f4ng li\u00ean t\u1ee5c trong th\u1eddi gian.<\/li>\n<li>D\u00f2ng ch\u1ea3y l\u00e0 tuy\u1ebfn t\u00ednh v\u00e0 kh\u00f4ng c\u00f3 t\u00e1c \u0111\u1ed9ng c\u1ee7a hi\u1ec7n t\u01b0\u1ee3ng kh\u00ed \u0111\u1ed9ng h\u1ecdc ho\u1eb7c c\u00e1c s\u1ef1 nhi\u1ec5u lo\u1ea1n kh\u00e1c.<\/li>\n<p><\/o1><\/p>\n<h2>K\u1ebft Lu\u1eadn<\/h2>\n<p>\u0110\u1ecbnh lu\u1eadt Darcy \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c hi\u1ec3u v\u00e0 d\u1ef1 \u0111o\u00e1n d\u00f2ng ch\u1ea3y c\u1ee7a ch\u1ea5t l\u1ecfng qua m\u00f4i tr\u01b0\u1eddng x\u1ed1p. D\u00f9 c\u00f3 m\u1ed9t s\u1ed1 gi\u1ea3 \u0111\u1ecbnh nh\u1ea5t \u0111\u1ecbnh, nh\u01b0ng n\u00f3 v\u1eabn \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i v\u00e0 l\u00e0 m\u1ed9t ph\u1ea7n kh\u00f4ng th\u1ec3 thi\u1ebfu trong nhi\u1ec1u l\u0129nh v\u1ef1c k\u1ef9 thu\u1eadt v\u00e0 khoa h\u1ecdc. Hi\u1ec3u r\u00f5 v\u1ec1 \u0111\u1ecbnh lu\u1eadt n\u00e0y s\u1ebd gi\u00fap b\u1ea1n c\u00f3 c\u01a1 s\u1edf v\u1eefng ch\u1eafc \u0111\u1ec3 ti\u1ebfp t\u1ee5c kh\u00e1m ph\u00e1 c\u00e1c kh\u00eda c\u1ea1nh ph\u1ee9c t\u1ea1p h\u01a1n c\u1ee7a d\u00f2ng ch\u1ea3y ch\u1ea5t l\u1ecfng v\u00e0 m\u00f4i tr\u01b0\u1eddng x\u1ed1p.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u0110\u1ecbnh lu\u1eadt Darcy trong d\u00f2ng ch\u1ea3y ch\u1ea5t l\u1ecfng l\u00e0 nguy\u00ean l\u00fd c\u01a1 b\u1ea3n gi\u00fap hi\u1ec3u c\u00e1ch ch\u1ea5t l\u1ecfng di chuy\u1ec3n qua v\u1eadt li\u1ec7u x\u1ed1p, c\u1ef1c k\u1ef3 quan tr\u1ecdng trong k\u1ef9 thu\u1eadt v\u00e0 m\u00f4i tr\u01b0\u1eddng.<\/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":"<!-- This site is optimized with the Yoast SEO plugin v15.4 - 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