{"id":680901,"date":"2024-09-03T11:19:19","date_gmt":"2024-09-03T10:19:19","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=680901"},"modified":"2024-09-03T11:19:19","modified_gmt":"2024-09-03T10:19:19","slug":"7-loai-hinh-dong-chay-khi-dong-hoc","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/7-loai-hinh-dong-chay-khi-dong-hoc\/","title":{"rendered":"7 Lo\u1ea1i H\u00ecnh D\u00f2ng Ch\u1ea3y Kh\u00ed \u0110\u1ed9ng H\u1ecdc"},"content":{"rendered":"<p class=\"sidekick\">C\u00e1c lo\u1ea1i h\u00ecnh d\u00f2ng ch\u1ea3y kh\u00ed \u0111\u1ed9ng h\u1ecdc: t\u00ecm hi\u1ec3u 7 lo\u1ea1i d\u00f2ng ch\u1ea3y trong ng\u00e0nh k\u1ef9 thu\u1eadt nhi\u1ec7t, c\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng v\u00e0 \u1ee9ng d\u1ee5ng c\u1ee7a ch\u00fang.<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/7_loai_hinh_dong_chay_khi_dong_hoc.png\" alt=\"7 Lo\u1ea1i H\u00ecnh D\u00f2ng Ch\u1ea3y Kh\u00ed \u0110\u1ed9ng H\u1ecdc\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>7 Lo\u1ea1i H\u00ecnh D\u00f2ng Ch\u1ea3y Kh\u00ed \u0110\u1ed9ng H\u1ecdc<\/h2>\n<p>D\u00f2ng ch\u1ea3y kh\u00ed \u0111\u1ed9ng h\u1ecdc l\u00e0 m\u1ed9t ph\u1ea7n quan tr\u1ecdng trong ng\u00e0nh c\u01a1 h\u1ecdc ch\u1ea5t l\u1ecfng, \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn nhi\u1ec1u l\u0129nh v\u1ef1c t\u1eeb h\u00e0ng kh\u00f4ng, \u00f4 t\u00f4 \u0111\u1ebfn c\u00e1c thi\u1ebft b\u1ecb c\u00f4ng nghi\u1ec7p kh\u00e1c. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 7 lo\u1ea1i h\u00ecnh d\u00f2ng ch\u1ea3y kh\u00ed \u0111\u1ed9ng h\u1ecdc ph\u1ed5 bi\u1ebfn m\u00e0 b\u1ea1n n\u00ean bi\u1ebft.<\/p>\n<h2>1. D\u00f2ng Ch\u1ea3y \u0110\u1eb3ng T\u1ed1c<\/h2>\n<p>D\u00f2ng ch\u1ea3y \u0111\u1eb3ng t\u1ed1c (Uniform Flow) l\u00e0 lo\u1ea1i d\u00f2ng ch\u1ea3y m\u00e0 t\u1ed1c \u0111\u1ed9 c\u1ee7a ch\u1ea5t l\u1ecfng t\u1ea1i m\u1ecdi \u0111i\u1ec3m trong d\u00f2ng ch\u1ea3y l\u00e0 \u0111\u1ec1u nhau. N\u00f3i c\u00e1ch kh\u00e1c, t\u1ed1c \u0111\u1ed9 c\u1ee7a d\u00f2ng ch\u1ea3y kh\u00f4ng thay \u0111\u1ed5i theo v\u1ecb tr\u00ed.<\/p>\n<ul>\n<li>V\u00ed d\u1ee5: D\u00f2ng n\u01b0\u1edbc ch\u1ea3y qua m\u1ed9t \u1ed1ng th\u1eb3ng v\u1edbi k\u00edch th\u01b0\u1edbc \u0111\u1ec1u \u0111\u1eb7n.<\/li>\n<\/ul>\n<h2>2. D\u00f2ng Ch\u1ea3y Bi\u1ebfn \u0110\u1ed5i<\/h2>\n<p>D\u00f2ng ch\u1ea3y bi\u1ebfn \u0111\u1ed5i (Non-uniform Flow) l\u00e0 d\u00f2ng ch\u1ea3y m\u00e0 t\u1ed1c \u0111\u1ed9 thay \u0111\u1ed5i theo v\u1ecb tr\u00ed. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 x\u1ea3y ra khi \u0111\u01b0\u1eddng \u1ed1ng c\u00f3 h\u00ecnh d\u1ea1ng thay \u0111\u1ed5i ho\u1eb7c khi c\u00f3 v\u1eadt c\u1ea3n trong d\u00f2ng ch\u1ea3y.<\/p>\n<ul>\n<li>V\u00ed d\u1ee5: D\u00f2ng ch\u1ea3y qua m\u1ed9t \u0111\u01b0\u1eddng \u1ed1ng c\u00f3 \u0111o\u1ea1n h\u1eb9p v\u00e0 \u0111o\u1ea1n r\u1ed9ng.<\/li>\n<\/ul>\n<h2>3. D\u00f2ng Ch\u1ea3y \u1ed4n \u0110\u1ecbnh<\/h2>\n<p>D\u00f2ng ch\u1ea3y \u1ed5n \u0111\u1ecbnh (Steady Flow) l\u00e0 d\u00f2ng ch\u1ea3y m\u00e0 c\u00e1c tham s\u1ed1 nh\u01b0 t\u1ed1c \u0111\u1ed9, \u00e1p su\u1ea5t v\u00e0 m\u1eadt \u0111\u1ed9 t\u1ea1i m\u1ed7i \u0111i\u1ec3m kh\u00f4ng thay \u0111\u1ed5i theo th\u1eddi gian.<\/p>\n<ul>\n<li>V\u00ed d\u1ee5: D\u00f2ng n\u01b0\u1edbc ch\u1ea3y qua m\u1ed9t \u1ed1ng ki\u00ean c\u1ed1 v\u1edbi t\u1ed1c \u0111\u1ed9 kh\u00f4ng \u0111\u1ed5i.<\/li>\n<\/ul>\n<h2>4. D\u00f2ng Ch\u1ea3y Kh\u00f4ng \u1ed4n \u0110\u1ecbnh<\/h2>\n<p>D\u00f2ng ch\u1ea3y kh\u00f4ng \u1ed5n \u0111\u1ecbnh (Unsteady Flow) l\u00e0 d\u00f2ng ch\u1ea3y m\u00e0 c\u00e1c tham s\u1ed1 thay \u0111\u1ed5i theo th\u1eddi gian.<\/p>\n<ul>\n<li>V\u00ed d\u1ee5: D\u00f2ng ch\u1ea3y trong m\u1ed9t con su\u1ed1i t\u00f9y thu\u1ed9c v\u00e0o l\u01b0\u1ee3ng n\u01b0\u1edbc m\u01b0a t\u1eebng th\u1eddi \u0111i\u1ec3m.<\/li>\n<\/ul>\n<h2>5. D\u00f2ng Ch\u1ea3y R\u1ed1i<\/h2>\n<p>D\u00f2ng ch\u1ea3y r\u1ed1i (Turbulent Flow) l\u00e0 d\u00f2ng ch\u1ea3y m\u00e0 c\u00e1c h\u1ea1t trong ch\u1ea5t l\u1ecfng di chuy\u1ec3n theo c\u00e1c \u0111\u01b0\u1eddng b\u1ebb g\u1eaby v\u00e0 kh\u00f4ng tuy\u1ebfn t\u00ednh, t\u1ea1o ra s\u1ef1 nhi\u1ec5u \u0111\u1ed9ng l\u1edbn.<\/p>\n<ul>\n<li>V\u00ed d\u1ee5: D\u00f2ng ch\u1ea3y c\u1ee7a n\u01b0\u1edbc trong m\u1ed9t con s\u00f4ng l\u1edbn.<\/li>\n<\/ul>\n<h2>6. D\u00f2ng Ch\u1ea3y T\u1ea7ng<\/h2>\n<p>D\u00f2ng ch\u1ea3y t\u1ea7ng (Laminar Flow) l\u00e0 d\u00f2ng ch\u1ea3y m\u00e0 c\u00e1c h\u1ea1t ch\u1ea5t l\u1ecfng di chuy\u1ec3n theo c\u00e1c l\u1edbp song song v\u1edbi nhau, kh\u00f4ng c\u00f3 s\u1ef1 tr\u1ed9n l\u1eabn gi\u1eefa c\u00e1c l\u1edbp.<\/p>\n<ul>\n<li>V\u00ed d\u1ee5: D\u00f2ng ch\u1ea3y qua m\u1ed9t \u1ed1ng h\u1eb9p v\u1edbi t\u1ed1c \u0111\u1ed9 th\u1ea5p.<\/li>\n<\/ul>\n<h2>7. D\u00f2ng Ch\u1ea3y N\u00e9n \u0110\u01b0\u1ee3c v\u00e0 Kh\u00f4ng N\u00e9n \u0110\u01b0\u1ee3c<\/h2>\n<p>D\u00f2ng ch\u1ea3y n\u00e9n \u0111\u01b0\u1ee3c (Compressible Flow) l\u00e0 d\u00f2ng ch\u1ea3y m\u00e0 s\u1ef1 thay \u0111\u1ed5i \u00e1p su\u1ea5t g\u00e2y ra s\u1ef1 thay \u0111\u1ed5i \u0111\u00e1ng k\u1ec3 v\u1ec1 th\u1ec3 t\u00edch v\u00e0 m\u1eadt \u0111\u1ed9 c\u1ee7a ch\u1ea5t l\u1ecfng.<\/p>\n<ul>\n<li>V\u00ed d\u1ee5: D\u00f2ng ch\u1ea3y c\u1ee7a kh\u00ed qua \u0111\u1ed9ng c\u01a1 ph\u1ea3n l\u1ef1c.<\/li>\n<\/ul>\n<p>D\u00f2ng ch\u1ea3y kh\u00f4ng n\u00e9n \u0111\u01b0\u1ee3c (Incompressible Flow) ng\u01b0\u1ee3c l\u1ea1i, l\u00e0 d\u00f2ng ch\u1ea3y m\u00e0 s\u1ef1 thay \u0111\u1ed5i \u00e1p su\u1ea5t kh\u00f4ng g\u00e2y ra s\u1ef1 thay \u0111\u1ed5i \u0111\u00e1ng k\u1ec3 v\u1ec1 th\u1ec3 t\u00edch v\u00e0 m\u1eadt \u0111\u1ed9.<\/p>\n<ul>\n<li>V\u00ed d\u1ee5: D\u00f2ng ch\u1ea3y c\u1ee7a n\u01b0\u1edbc trong ngu\u1ed3n su\u1ed1i th\u00f4ng th\u01b0\u1eddng.<\/li>\n<\/ul>\n<p>Hi\u1ec3u v\u00e0 ph\u00e2n lo\u1ea1i c\u00e1c lo\u1ea1i h\u00ecnh d\u00f2ng ch\u1ea3y kh\u00ed \u0111\u1ed9ng h\u1ecdc gi\u00fap ch\u00fang ta \u00e1p d\u1ee5ng \u0111\u00fang bi\u1ec7n ph\u00e1p k\u1ef9 thu\u1eadt trong thi\u1ebft k\u1ebf v\u00e0 v\u1eadn h\u00e0nh c\u00e1c h\u1ec7 th\u1ed1ng li\u00ean quan t\u1edbi ch\u1ea5t l\u1ecfng v\u00e0 kh\u00ed. Nh\u1edd v\u1eady, ta t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t v\u00e0 an to\u00e0n c\u1ee7a c\u00e1c c\u1ea5u tr\u00fac k\u1ef9 thu\u1eadt.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>C\u00e1c lo\u1ea1i h\u00ecnh d\u00f2ng ch\u1ea3y kh\u00ed \u0111\u1ed9ng h\u1ecdc: t\u00ecm hi\u1ec3u 7 lo\u1ea1i d\u00f2ng ch\u1ea3y trong ng\u00e0nh k\u1ef9 thu\u1eadt nhi\u1ec7t, c\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng v\u00e0 \u1ee9ng d\u1ee5ng c\u1ee7a ch\u00fang.<\/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>7 Lo\u1ea1i H\u00ecnh D\u00f2ng Ch\u1ea3y Kh\u00ed \u0110\u1ed9ng H\u1ecdc<\/title>\n<meta name=\"description\" content=\"C\u00e1c lo\u1ea1i h\u00ecnh d\u00f2ng ch\u1ea3y kh\u00ed \u0111\u1ed9ng 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