{"id":682921,"date":"2024-11-15T21:38:13","date_gmt":"2024-11-15T20:38:13","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=682921"},"modified":"2024-11-15T21:38:13","modified_gmt":"2024-11-15T20:38:13","slug":"10-loai-bien-dong-dong-chay-trong-dong-luc-hoc-chat-long","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/10-loai-bien-dong-dong-chay-trong-dong-luc-hoc-chat-long\/","title":{"rendered":"10 Lo\u1ea1i Bi\u1ebfn \u0110\u1ed9ng D\u00f2ng Ch\u1ea3y Trong \u0110\u1ed9ng L\u1ef1c H\u1ecdc Ch\u1ea5t L\u1ecfng"},"content":{"rendered":"<p class=\"sidekick\">10 Lo\u1ea1i Bi\u1ebfn \u0110\u1ed9ng D\u00f2ng Ch\u1ea3y Trong \u0110\u1ed9ng L\u1ef1c H\u1ecdc Ch\u1ea5t L\u1ecfng: Gi\u1ea3i th\u00edch c\u00e1c lo\u1ea1i bi\u1ebfn \u0111\u1ed9ng d\u00f2ng ch\u1ea3y kh\u00e1c nhau v\u00e0 t\u00e1c \u0111\u1ed9ng c\u1ee7a ch\u00fang trong ng\u00e0nh k\u1ef9 thu\u1eadt nhi\u1ec7t.<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/10_loai_bien_dong_dong_chay_trong_dong_luc_hoc_chat_long.png\" alt=\"10 Lo\u1ea1i Bi\u1ebfn \u0110\u1ed9ng D\u00f2ng Ch\u1ea3y Trong \u0110\u1ed9ng L\u1ef1c H\u1ecdc Ch\u1ea5t L\u1ecfng\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>10 Lo\u1ea1i Bi\u1ebfn \u0110\u1ed9ng D\u00f2ng Ch\u1ea3y Trong \u0110\u1ed9ng L\u1ef1c H\u1ecdc Ch\u1ea5t L\u1ecfng<\/h2>\n<p>\u0110\u1ed9ng l\u1ef1c h\u1ecdc ch\u1ea5t l\u1ecfng l\u00e0 m\u1ed9t ng\u00e0nh quan tr\u1ecdng trong k\u1ef9 thu\u1eadt nhi\u1ec7t, nghi\u00ean c\u1ee9u v\u1ec1 c\u00e1ch c\u00e1c ch\u1ea5t l\u1ecfng (bao g\u1ed3m ch\u1ea5t kh\u00ed v\u00e0 ch\u1ea5t l\u1ecfng) chuy\u1ec3n \u0111\u1ed9ng v\u00e0 t\u01b0\u01a1ng t\u00e1c. Trong qu\u00e1 tr\u00ecnh n\u00e0y, c\u00f3 nhi\u1ec1u lo\u1ea1i bi\u1ebfn \u0111\u1ed9ng d\u00f2ng ch\u1ea3y kh\u00e1c nhau m\u00e0 c\u00e1c k\u1ef9 s\u01b0 v\u00e0 nh\u00e0 v\u1eadt l\u00fd c\u1ea7n hi\u1ec3u r\u00f5. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 danh s\u00e1ch 10 lo\u1ea1i bi\u1ebfn \u0111\u1ed9ng d\u00f2ng ch\u1ea3y ph\u1ed5 bi\u1ebfn trong \u0111\u1ed9ng l\u1ef1c h\u1ecdc ch\u1ea5t l\u1ecfng.<\/p>\n<ul>\n<li><b>D\u00f2ng Ch\u1ea3y Laminar:<\/b> \u0110\u00e2y l\u00e0 lo\u1ea1i d\u00f2ng ch\u1ea3y c\u00f3 c\u1ea5u tr\u00fac g\u1ecdn g\u00e0ng, c\u00e1c l\u1edbp ch\u1ea5t l\u1ecfng di chuy\u1ec3n song song v\u1edbi nhau m\u00e0 kh\u00f4ng b\u1ecb l\u1eabn l\u1ed9n. D\u00f2ng ch\u1ea3y laminar th\u01b0\u1eddng x\u1ea3y ra \u1edf v\u1eadn t\u1ed1c th\u1ea5p v\u00e0 \u0111i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng \u1ed5n \u0111\u1ecbnh.<\/li>\n<li><b>D\u00f2ng Ch\u1ea3y Turbulent:<\/b> Tr\u00e1i ng\u01b0\u1ee3c v\u1edbi d\u00f2ng ch\u1ea3y laminar, d\u00f2ng ch\u1ea3y turbulent l\u00e0 lo\u1ea1i d\u00f2ng ch\u1ea3y c\u00f3 t\u00ednh ch\u1ea5t h\u1ed7n lo\u1ea1n, v\u1edbi c\u00e1c xo\u00e1y n\u01b0\u1edbc v\u00e0 s\u1ef1 l\u1eabn l\u1ed9n gi\u1eefa c\u00e1c l\u1edbp ch\u1ea5t l\u1ecfng. D\u00f2ng ch\u1ea3y turbulent th\u01b0\u1eddng x\u1ea3y ra \u1edf v\u1eadn t\u1ed1c cao v\u00e0 \u0111i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng kh\u00f4ng \u1ed5n \u0111\u1ecbnh.<\/li>\n<li><b>D\u00f2ng Ch\u1ea3y \u0110\u1eb3ng N\u1ed9i:<\/b> D\u00f2ng ch\u1ea3y m\u00e0 nhi\u1ec7t \u0111\u1ed9 c\u1ee7a ch\u1ea5t l\u01b0u kh\u00f4ng thay \u0111\u1ed5i trong su\u1ed1t qu\u00e1 tr\u00ecnh ch\u1ea3y. \u0110\u00e2y l\u00e0 tr\u01b0\u1eddng h\u1ee3p th\u01b0\u1eddng g\u1eb7p trong c\u00e1c h\u1ec7 th\u1ed1ng l\u00e0m m\u00e1t ho\u1eb7c gia nhi\u1ec7t hi\u1ec7u qu\u1ea3.<\/li>\n<li><b>D\u00f2ng Ch\u1ea3y N\u00e9n \u0110\u01b0\u1ee3c:<\/b> D\u00f2ng ch\u1ea3y m\u00e0 m\u1eadt \u0111\u1ed9 ch\u1ea5t l\u1ecfng thay \u0111\u1ed5i \u0111\u00e1ng k\u1ec3 trong su\u1ed1t qu\u00e1 tr\u00ecnh. Ch\u1ea5t kh\u00ed th\u01b0\u1eddng c\u00f3 d\u00f2ng ch\u1ea3y n\u00e9n \u0111\u01b0\u1ee3c, tr\u00e1i ng\u01b0\u1ee3c v\u1edbi \u0111a s\u1ed1 ch\u1ea5t l\u1ecfng.<\/li>\n<li><b>D\u00f2ng Ch\u1ea3y Kh\u00f4ng N\u00e9n \u0110\u01b0\u1ee3c:<\/b> D\u00f2ng ch\u1ea3y m\u00e0 m\u1eadt \u0111\u1ed9 ch\u1ea5t l\u1ecfng g\u1ea7n nh\u01b0 kh\u00f4ng thay \u0111\u1ed5i. N\u01b0\u1edbc l\u00e0 v\u00ed d\u1ee5 \u0111i\u1ec3n h\u00ecnh c\u1ee7a ch\u1ea5t l\u1ecfng c\u00f3 d\u00f2ng ch\u1ea3y kh\u00f4ng n\u00e9n \u0111\u01b0\u1ee3c.<\/li>\n<li><b>D\u00f2ng Ch\u1ea3y \u0110\u1eb3ng Entropy:<\/b> D\u00f2ng ch\u1ea3y \u0111\u1eb7c bi\u1ec7t trong \u0111\u00f3 entropy c\u1ee7a h\u1ec7 th\u1ed1ng kh\u00f4ng thay \u0111\u1ed5i. \u0110\u00e2y l\u00e0 m\u1ed9t d\u1ea1ng d\u00f2ng ch\u1ea3y l\u00fd t\u01b0\u1edfng, th\u01b0\u1eddng d\u00f9ng \u0111\u1ec3 m\u00f4 ph\u1ecfng trong l\u00fd thuy\u1ebft.<\/li>\n<li><b>D\u00f2ng Ch\u1ea3y Nhi\u1ec7t \u0110\u1ed9 Kh\u00f4ng \u0110\u1ed5i (Isothermal):<\/b> Trong d\u00f2ng ch\u1ea3y n\u00e0y, nhi\u1ec7t \u0111\u1ed9 c\u1ee7a ch\u1ea5t l\u1ecfng \u0111\u01b0\u1ee3c duy tr\u00ec kh\u00f4ng \u0111\u1ed5i, th\u01b0\u1eddng nh\u1edd c\u00e1c ph\u01b0\u01a1ng ph\u00e1p ki\u1ec3m so\u00e1t nhi\u1ec7t \u0111\u1ed9.<\/li>\n<li><b>D\u00f2ng Ch\u1ea3y Xuy\u00ean T\u00e2m:<\/b> D\u00f2ng ch\u1ea3y theo h\u01b0\u1edbng v\u00e0o ho\u1eb7c ra t\u1eeb m\u1ed9t \u0111i\u1ec3m trung t\u00e2m, ch\u1eb3ng h\u1ea1n nh\u01b0 d\u00f2ng ch\u1ea3y v\u00e0o ho\u1eb7c ra t\u1eeb m\u1ed9t c\u00e1i b\u01a1m ho\u1eb7c h\u1ed3 ch\u1ee9a.<\/li>\n<li><b>D\u00f2ng Ch\u1ea3y Nh\u1edbt:<\/b> D\u00f2ng ch\u1ea3y trong \u0111\u00f3 l\u1ef1c nh\u1edbt (viscous force) c\u00f3 \u1ea3nh h\u01b0\u1edfng l\u1edbn, th\u01b0\u1eddng quan s\u00e1t \u0111\u01b0\u1ee3c trong c\u00e1c ch\u1ea5t l\u1ecfng c\u00f3 \u0111\u1ed9 nh\u1edbt cao nh\u01b0 d\u1ea7u.<\/li>\n<li><b>D\u00f2ng Ch\u1ea3y Kh\u00f4ng Nh\u1edbt:<\/b> D\u00f2ng ch\u1ea3y l\u00fd t\u01b0\u1edfng m\u00e0 l\u1ef1c nh\u1edbt \u0111\u01b0\u1ee3c xem nh\u01b0 kh\u00f4ng t\u1ed3n t\u1ea1i, th\u01b0\u1eddng d\u00f9ng trong c\u00e1c ph\u00e9p t\u00ednh l\u00fd thuy\u1ebft \u0111\u1ec3 \u0111\u01a1n gi\u1ea3n h\u00f3a v\u1ea5n \u0111\u1ec1.<\/li>\n<\/ul>\n<p>Hi\u1ec3u r\u00f5 v\u00e0 ph\u00e2n lo\u1ea1i c\u00e1c lo\u1ea1i bi\u1ebfn \u0111\u1ed9ng d\u00f2ng ch\u1ea3y n\u00e0y l\u00e0 c\u01a1 s\u1edf \u0111\u1ec3 thi\u1ebft k\u1ebf v\u00e0 v\u1eadn h\u00e0nh c\u00e1c h\u1ec7 th\u1ed1ng l\u01b0u ch\u1ea5t hi\u1ec7u qu\u1ea3 v\u00e0 an to\u00e0n trong k\u1ef9 thu\u1eadt nhi\u1ec7t v\u00e0 c\u00e1c ng\u00e0nh li\u00ean quan.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>10 Lo\u1ea1i Bi\u1ebfn \u0110\u1ed9ng D\u00f2ng Ch\u1ea3y Trong \u0110\u1ed9ng L\u1ef1c H\u1ecdc Ch\u1ea5t L\u1ecfng: Gi\u1ea3i th\u00edch c\u00e1c lo\u1ea1i bi\u1ebfn \u0111\u1ed9ng d\u00f2ng ch\u1ea3y kh\u00e1c nhau v\u00e0 t\u00e1c \u0111\u1ed9ng c\u1ee7a ch\u00fang trong ng\u00e0nh k\u1ef9 thu\u1eadt 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":"<!-- This site is optimized with the Yoast SEO plugin v15.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>10 Lo\u1ea1i Bi\u1ebfn \u0110\u1ed9ng D\u00f2ng Ch\u1ea3y 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