{"id":709094,"date":"2024-09-04T23:50:25","date_gmt":"2024-09-04T22:50:25","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=709094"},"modified":"2024-09-04T23:50:25","modified_gmt":"2024-09-04T22:50:25","slug":"nguyen-ly-cua-boi-tron-thuy-dong-luc-hoc","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/nguyen-ly-cua-boi-tron-thuy-dong-luc-hoc\/","title":{"rendered":"Nguy\u00ean l\u00fd c\u1ee7a B\u00f4i Tr\u01a1n Th\u1ee7y \u0110\u1ed9ng L\u1ef1c H\u1ecdc"},"content":{"rendered":"<p class=\"sidekick\">Nguy\u00ean l\u00fd c\u1ee7a B\u00f4i Tr\u01a1n Th\u1ee7y \u0110\u1ed9ng L\u1ef1c H\u1ecdc: Gi\u1ea3i th\u00edch c\u01a1 ch\u1ebf ho\u1ea1t \u0111\u1ed9ng c\u1ee7a b\u00f4i tr\u01a1n trong c\u00e1c h\u1ec7 th\u1ed1ng th\u1ee7y l\u1ef1c, t\u0103ng hi\u1ec7u su\u1ea5t v\u00e0 tu\u1ed5i th\u1ecd thi\u1ebft b\u1ecb.<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/nguyen_ly_cua_boi_tron_thuy_dong_luc_hoc.png\" alt=\"Nguy\u00ean l\u00fd c\u1ee7a B\u00f4i Tr\u01a1n Th\u1ee7y \u0110\u1ed9ng L\u1ef1c H\u1ecdc\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>Nguy\u00ean l\u00fd c\u1ee7a B\u00f4i Tr\u01a1n Th\u1ee7y \u0110\u1ed9ng L\u1ef1c H\u1ecdc<\/h2>\n<p>B\u00f4i tr\u01a1n th\u1ee7y \u0111\u1ed9ng l\u1ef1c h\u1ecdc l\u00e0 m\u1ed9t ph\u1ea7n quan tr\u1ecdng trong l\u0129nh v\u1ef1c k\u1ef9 thu\u1eadt nhi\u1ec7t, li\u00ean quan \u0111\u1ebfn c\u00e1ch c\u00e1c b\u1ec1 m\u1eb7t chuy\u1ec3n \u0111\u1ed9ng ti\u1ebfp x\u00fac \u0111\u01b0\u1ee3c b\u00f4i tr\u01a1n b\u1edfi m\u1ed9t ch\u1ea5t l\u1ecfng. \u0110i\u1ec1u n\u00e0y gi\u00fap gi\u1ea3m ma s\u00e1t, m\u00e0i m\u00f2n v\u00e0 t\u1ed5n th\u1ea5t nhi\u1ec7t, \u0111\u1ed3ng th\u1eddi n\u00e2ng cao hi\u1ec7u qu\u1ea3 ho\u1ea1t \u0111\u1ed9ng v\u00e0 tu\u1ed5i th\u1ecd c\u1ee7a c\u00e1c b\u1ed9 ph\u1eadn m\u00e1y.<\/p>\n<h2>Nguy\u00ean l\u00fd C\u01a1 B\u1ea3n<\/h2>\n<p>B\u00f4i tr\u01a1n th\u1ee7y \u0111\u1ed9ng l\u1ef1c h\u1ecdc d\u1ef1a tr\u00ean vi\u1ec7c s\u1eed d\u1ee5ng m\u1ed9t l\u1edbp ch\u1ea5t l\u1ecfng ho\u1eb7c d\u1ea7u \u0111\u1ec3 t\u1ea1o ra m\u1ed9t l\u1edbp \u0111\u1ec7m gi\u1eefa hai b\u1ec1 m\u1eb7t chuy\u1ec3n \u0111\u1ed9ng. Nguy\u00ean l\u00fd ch\u00ednh bao g\u1ed3m:<\/p>\n<ul>\n<li><b>L\u1edbp phim ch\u1ea5t l\u1ecfng:<\/b> Khi hai b\u1ec1 m\u1eb7t chuy\u1ec3n \u0111\u1ed9ng t\u01b0\u01a1ng \u0111\u1ed1i, m\u1ed9t l\u1edbp ch\u1ea5t l\u1ecfng m\u1ecfng \u0111\u01b0\u1ee3c duy tr\u00ec gi\u1eefa ch\u00fang, tr\u00e1nh ti\u1ebfp x\u00fac tr\u1ef1c ti\u1ebfp.<\/li>\n<li><b>L\u1ef1c n\u00e2ng th\u1ee7y \u0111\u1ed9ng l\u1ef1c:<\/b> Ch\u1ea5t l\u1ecfng t\u1ea1o ra m\u1ed9t l\u1ef1c \u00e1p su\u1ea5t n\u00e2ng c\u00e1c b\u1ec1 m\u1eb7t ra kh\u1ecfi nhau d\u1ef1a tr\u00ean \u0111\u1ecbnh lu\u1eadt Bernoulli v\u00e0 quy t\u1eafc b\u1ea3o to\u00e0n kh\u1ed1i l\u01b0\u1ee3ng.<\/li>\n<li><b>\u00c1p su\u1ea5t kh\u00ed \u0111\u1ed9ng:<\/b> S\u1ef1 di chuy\u1ec3n c\u1ee7a ch\u1ea5t l\u1ecfng v\u00e0 h\u00ecnh d\u1ea1ng c\u1ee7a b\u1ec1 m\u1eb7t t\u1ea1o ra \u0111i\u1ec1u ki\u1ec7n \u00e1p su\u1ea5t thay \u0111\u1ed5i, gi\u00fap gi\u1eef l\u1edbp phim ch\u1ea5t l\u1ecfng \u1ed5n \u0111\u1ecbnh.<\/li>\n<\/ul>\n<h2>Ph\u01b0\u01a1ng Tr\u00ecnh Reynolds<\/h2>\n<p>Ph\u01b0\u01a1ng tr\u00ecnh Reynolds l\u00e0 n\u1ec1n t\u1ea3ng c\u1ee7a b\u00f4i tr\u01a1n th\u1ee7y \u0111\u1ed9ng l\u1ef1c h\u1ecdc, m\u00f4 t\u1ea3 s\u1ef1 c\u00e2n b\u1eb1ng gi\u1eefa l\u1ef1c k\u00e9o c\u1ee7a d\u1ea7u v\u00e0 \u00e1p su\u1ea5t n\u00e2ng. Ph\u01b0\u01a1ng tr\u00ecnh n\u00e0y c\u00f3 d\u1ea1ng:<\/p>\n<p>\\[\\frac{d}{dx}\\left(\\eta h \\frac{du}{dz}\\right) = \\frac{dp}{dx}\\]\n<p>Trong \u0111\u00f3:<\/p>\n<ul>\n<li><b>\\(\\eta\\):<\/b> \u0110\u1ed9 nh\u1edbt \u0111\u1ed9ng h\u1ecdc c\u1ee7a ch\u1ea5t l\u1ecfng.<\/li>\n<li><b>h:<\/b> Chi\u1ec1u d\u00e0y c\u1ee7a l\u1edbp phim ch\u1ea5t l\u1ecfng.<\/li>\n<li><b>u:<\/b> T\u1ed1c \u0111\u1ed9 d\u00f2ng ch\u1ea3y c\u1ee7a ch\u1ea5t l\u1ecfng trong h\u01b0\u1edbng tr\u1ee5c z.<\/li>\n<li><b>p:<\/b> \u00c1p su\u1ea5t b\u00ean trong l\u1edbp phim ch\u1ea5t l\u1ecfng.<\/li>\n<\/ul>\n<h2>\u01afu \u0110i\u1ec3m v\u00e0 \u1ee8ng D\u1ee5ng<\/h2>\n<p>B\u00f4i tr\u01a1n th\u1ee7y \u0111\u1ed9ng l\u1ef1c h\u1ecdc c\u00f3 nhi\u1ec1u \u01b0u \u0111i\u1ec3m n\u1ed5i b\u1eadt:<\/p>\n<ol>\n<li><b>Gi\u1ea3m ma s\u00e1t:<\/b> L\u1edbp phim ch\u1ea5t l\u1ecfng l\u00e0m gi\u1ea3m ma s\u00e1t \u0111\u00e1ng k\u1ec3 gi\u1eefa c\u00e1c b\u1ec1 m\u1eb7t chuy\u1ec3n \u0111\u1ed9ng, gi\u00fap ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng.<\/li>\n<li><b>Ch\u1ed1ng m\u00e0i m\u00f2n:<\/b> Tr\u00e1nh ti\u1ebfp x\u00fac tr\u1ef1c ti\u1ebfp gi\u1eefa c\u00e1c b\u1ec1 m\u1eb7t kim lo\u1ea1i, t\u1eeb \u0111\u00f3 gi\u1ea3m m\u00e0i m\u00f2n.<\/li>\n<li><b>T\u1ea3n nhi\u1ec7t:<\/b> Ch\u1ea5t l\u1ecfng b\u00f4i tr\u01a1n c\u00f2n c\u00f3 ch\u1ee9c n\u0103ng t\u1ea3n nhi\u1ec7t, gi\u1eef cho c\u00e1c b\u1ed9 ph\u1eadn m\u00e1y l\u1ea1nh v\u00e0 \u1ed5n \u0111\u1ecbnh h\u01a1n.<\/li>\n<\/ol>\n<p>Nh\u1eefng \u1ee9ng d\u1ee5ng ph\u1ed5 bi\u1ebfn c\u1ee7a b\u00f4i tr\u01a1n th\u1ee7y \u0111\u1ed9ng l\u1ef1c h\u1ecdc bao g\u1ed3m:<\/p>\n<ul>\n<li>\u0110\u1ed9ng c\u01a1 m\u00e1y m\u00f3c: \u0110\u1ed9ng c\u01a1 \u00f4 t\u00f4, m\u00e1y bay, v\u00e0 t\u00e0u th\u1ee7y.<\/li>\n<li>H\u1ec7 th\u1ed1ng truy\u1ec1n \u0111\u1ed9ng: H\u1ed9p s\u1ed1, tr\u1ee5c d\u1eabn \u0111\u1ed9ng.<\/li>\n<li>M\u00e1y m\u00f3c c\u00f4ng nghi\u1ec7p: M\u00e1y c\u1eaft, m\u00e1y m\u00e0i, v\u00e0 c\u00e1c thi\u1ebft b\u1ecb s\u1ea3n xu\u1ea5t kh\u00e1c.<\/li>\n<\/ul>\n<h2>K\u1ebft Lu\u1eadn<\/h2>\n<p>B\u00f4i tr\u01a1n th\u1ee7y \u0111\u1ed9ng l\u1ef1c h\u1ecdc l\u00e0 m\u1ed9t c\u00f4ng ngh\u1ec7 quan tr\u1ecdng v\u00e0 c\u1ea7n thi\u1ebft trong nhi\u1ec1u l\u0129nh v\u1ef1c k\u1ef9 thu\u1eadt nhi\u1ec7t v\u00e0 c\u01a1 kh\u00ed. Hi\u1ec3u r\u00f5 nguy\u00ean l\u00fd v\u00e0 \u1ee9ng d\u1ee5ng c\u1ee7a n\u00f3 s\u1ebd gi\u00fap t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t v\u00e0 tu\u1ed5i th\u1ecd c\u1ee7a m\u00e1y m\u00f3c, \u0111\u1ed3ng th\u1eddi gi\u1ea3m chi ph\u00ed b\u1ea3o tr\u00ec v\u00e0 n\u0103ng l\u01b0\u1ee3ng ti\u00eau th\u1ee5.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Nguy\u00ean l\u00fd c\u1ee7a B\u00f4i Tr\u01a1n Th\u1ee7y \u0110\u1ed9ng L\u1ef1c H\u1ecdc: Gi\u1ea3i th\u00edch c\u01a1 ch\u1ebf ho\u1ea1t \u0111\u1ed9ng c\u1ee7a b\u00f4i tr\u01a1n trong c\u00e1c h\u1ec7 th\u1ed1ng th\u1ee7y l\u1ef1c, t\u0103ng hi\u1ec7u su\u1ea5t v\u00e0 tu\u1ed5i th\u1ecd thi\u1ebft b\u1ecb.<\/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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