{"id":695605,"date":"2024-08-26T08:26:07","date_gmt":"2024-08-26T07:26:07","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=695605"},"modified":"2024-08-26T08:26:07","modified_gmt":"2024-08-26T07:26:07","slug":"van-chuyen-tram-tich-trong-dong-chay-chat-long","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/van-chuyen-tram-tich-trong-dong-chay-chat-long\/","title":{"rendered":"V\u1eadn chuy\u1ec3n tr\u1ea7m t\u00edch trong d\u00f2ng ch\u1ea3y ch\u1ea5t l\u1ecfng"},"content":{"rendered":"<p class=\"sidekick\">V\u1eadn chuy\u1ec3n tr\u1ea7m t\u00edch trong d\u00f2ng ch\u1ea3y ch\u1ea5t l\u1ecfng: Gi\u1ea3i th\u00edch nguy\u00ean l\u00fd v\u00e0 \u1ee9ng d\u1ee5ng c\u1ee7a qu\u00e1 tr\u00ecnh v\u1eadn chuy\u1ec3n tr\u1ea7m t\u00edch, t\u1ea7m quan tr\u1ecdng trong k\u1ef9 thu\u1eadt nhi\u1ec7t.<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/van_chuyen_tram_tich_trong_dong_chay_chat_long.png\" alt=\"V\u1eadn chuy\u1ec3n tr\u1ea7m t\u00edch trong d\u00f2ng ch\u1ea3y ch\u1ea5t l\u1ecfng\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>V\u1eadn Chuy\u1ec3n Tr\u1ea7m T\u00edch Trong D\u00f2ng Ch\u1ea3y Ch\u1ea5t L\u1ecfng<\/h2>\n<p>Trong l\u0129nh v\u1ef1c k\u1ef9 thu\u1eadt nhi\u1ec7t, v\u1eadn chuy\u1ec3n tr\u1ea7m t\u00edch trong d\u00f2ng ch\u1ea3y ch\u1ea5t l\u1ecfng l\u00e0 m\u1ed9t hi\u1ec7n t\u01b0\u1ee3ng ph\u1ee9c t\u1ea1p v\u00e0 quan tr\u1ecdng. Qu\u00e1 tr\u00ecnh n\u00e0y th\u01b0\u1eddng x\u1ea3y ra trong c\u00e1c h\u1ec7 th\u1ed1ng nh\u01b0 s\u00f4ng, h\u1ed3, v\u00e0 bi\u1ec3n, c\u0169ng nh\u01b0 trong c\u00e1c \u1ed1ng d\u1eabn v\u00e0 k\u00eanh n\u01b0\u1edbc trong c\u00f4ng nghi\u1ec7p. Vi\u1ec7c hi\u1ec3u r\u00f5 c\u00e1c c\u01a1 ch\u1ebf v\u1eadn chuy\u1ec3n tr\u1ea7m t\u00edch gi\u00fap c\u00e1c k\u1ef9 s\u01b0 v\u00e0 nh\u00e0 khoa h\u1ecdc t\u1ed1i \u01b0u h\u00f3a thi\u1ebft k\u1ebf v\u00e0 b\u1ea3o tr\u00ec c\u00e1c h\u1ec7 th\u1ed1ng li\u00ean quan \u0111\u1ebfn n\u01b0\u1edbc.<\/p>\n<h2>C\u00e1c Y\u1ebfu T\u1ed1 \u1ea2nh H\u01b0\u1edfng \u0110\u1ebfn V\u1eadn Chuy\u1ec3n Tr\u1ea7m T\u00edch<\/h2>\n<ul>\n<li><b>T\u1ed1c \u0111\u1ed9 d\u00f2ng ch\u1ea3y:<\/b> T\u1ed1c \u0111\u1ed9 c\u1ee7a d\u00f2ng ch\u1ea3y l\u00e0 m\u1ed9t y\u1ebfu t\u1ed1 quan tr\u1ecdng quy\u1ebft \u0111\u1ecbnh vi\u1ec7c tr\u1ea7m t\u00edch c\u00f3 b\u1ecb cu\u1ed1n \u0111i hay kh\u00f4ng. Khi t\u1ed1c \u0111\u1ed9 d\u00f2ng ch\u1ea3y \u0111\u1ee7 m\u1ea1nh, c\u00e1c h\u1ea1t tr\u1ea7m t\u00edch s\u1ebd b\u1ecb n\u00e2ng l\u00ean kh\u1ecfi \u0111\u00e1y v\u00e0 di chuy\u1ec3n theo d\u00f2ng n\u01b0\u1edbc.<\/li>\n<li><b>K\u00edch th\u01b0\u1edbc v\u00e0 tr\u1ecdng l\u01b0\u1ee3ng c\u1ee7a h\u1ea1t tr\u1ea7m t\u00edch:<\/b> C\u00e1c h\u1ea1t nh\u1ecf v\u00e0 nh\u1eb9 s\u1ebd d\u1ec5 d\u00e0ng b\u1ecb cu\u1ed1n theo d\u00f2ng ch\u1ea3y h\u01a1n so v\u1edbi c\u00e1c h\u1ea1t l\u1edbn v\u00e0 n\u1eb7ng.<\/li>\n<li><b>\u0110\u1ed9 nh\u1edbt v\u00e0 m\u1eadt \u0111\u1ed9 c\u1ee7a ch\u1ea5t l\u1ecfng:<\/b> \u0110\u1ed9 nh\u1edbt v\u00e0 m\u1eadt \u0111\u1ed9 c\u1ee7a ch\u1ea5t l\u1ecfng c\u0169ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn kh\u1ea3 n\u0103ng c\u1ee7a n\u00f3 \u0111\u1ec3 v\u1eadn chuy\u1ec3n tr\u1ea7m t\u00edch. Ch\u1ea5t l\u1ecfng c\u00f3 \u0111\u1ed9 nh\u1edbt th\u1ea5p nh\u01b0 n\u01b0\u1edbc s\u1ebd d\u1ec5 d\u00e0ng v\u1eadn chuy\u1ec3n tr\u1ea7m t\u00edch h\u01a1n ch\u1ea5t l\u1ecfng c\u00f3 \u0111\u1ed9 nh\u1edbt cao.<\/li>\n<li><b>\u0110\u1ed9 d\u1ed1c v\u00e0 h\u00ecnh d\u1ea1ng c\u1ee7a k\u00eanh:<\/b> \u0110\u1ed9 d\u1ed1c c\u1ee7a k\u00eanh v\u00e0 h\u00ecnh d\u1ea1ng c\u1ee7a n\u00f3 s\u1ebd \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn t\u1ed1c \u0111\u1ed9 d\u00f2ng ch\u1ea3y v\u00e0 kh\u1ea3 n\u0103ng v\u1eadn chuy\u1ec3n tr\u1ea7m t\u00edch.<\/li>\n<\/ul>\n<h2>C\u00f4ng Th\u1ee9c T\u00ednh To\u00e1n V\u1eadn Chuy\u1ec3n Tr\u1ea7m T\u00edch<\/h2>\n<p>C\u00e1c c\u00f4ng th\u1ee9c to\u00e1n h\u1ecdc \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh t\u1ed1c \u0111\u1ed9 v\u1eadn chuy\u1ec3n tr\u1ea7m t\u00edch d\u1ef1a v\u00e0o c\u00e1c y\u1ebfu t\u1ed1 c\u01a1 b\u1ea3n nh\u01b0 t\u1ed1c \u0111\u1ed9 d\u00f2ng ch\u1ea3y, k\u00edch th\u01b0\u1edbc h\u1ea1t v\u00e0 \u0111\u1ed9 nh\u1edbt. M\u1ed9t trong nh\u1eefng c\u00f4ng th\u1ee9c ph\u1ed5 bi\u1ebfn l\u00e0 c\u00f4ng th\u1ee9c c\u1ee7a Shields:<\/p>\n<p>\n\\[ \\tau_c = \\frac{(\\rho_s &#8211; \\rho) \\cdot g \\cdot D}{\\theta} \\]\n<\/p>\n<p>Trong \u0111\u00f3:<\/p>\n<ul>\n<li>\\(\\tau_c\\) l\u00e0 l\u1ef1c k\u00e9o t\u1edbi h\u1ea1n<\/li>\n<li>\\(\\rho_s\\) l\u00e0 m\u1eadt \u0111\u1ed9 c\u1ee7a h\u1ea1t tr\u1ea7m t\u00edch<\/li>\n<li>\\(\\rho\\) l\u00e0 m\u1eadt \u0111\u1ed9 c\u1ee7a ch\u1ea5t l\u1ecfng<\/li>\n<li>g l\u00e0 gia t\u1ed1c tr\u1ecdng tr\u01b0\u1eddng<\/li>\n<li>D l\u00e0 \u0111\u01b0\u1eddng k\u00ednh c\u1ee7a h\u1ea1t tr\u1ea7m t\u00edch<\/li>\n<li>\\(\\theta\\) l\u00e0 th\u00f4ng s\u1ed1 Shields<\/li>\n<\/ul>\n<h2>\u1ee8ng D\u1ee5ng Th\u1ef1c Ti\u1ec5n<\/h2>\n<p>Hi\u1ec3u bi\u1ebft v\u1ec1 v\u1eadn chuy\u1ec3n tr\u1ea7m t\u00edch l\u00e0 r\u1ea5t quan tr\u1ecdng trong nhi\u1ec1u \u1ee9ng d\u1ee5ng th\u1ef1c ti\u1ec5n:<\/p>\n<ul>\n<li><b>Qu\u1ea3n l\u00fd S\u00f4ng v\u00e0 H\u1ed3:<\/b> Qu\u00e1 tr\u00ecnh v\u1eadn chuy\u1ec3n tr\u1ea7m t\u00edch \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn h\u00ecnh d\u1ea1ng v\u00e0 s\u00e2u c\u1ea1n c\u1ee7a l\u00f2ng s\u00f4ng v\u00e0 h\u1ed3. \u0110i\u1ec1u n\u00e0y quan tr\u1ecdng trong vi\u1ec7c ng\u0103n ng\u1eeba t\u00ecnh tr\u1ea1ng x\u00f3i m\u00f2n v\u00e0 l\u1ea5p \u0111\u1ea7y l\u00f2ng s\u00f4ng.<\/li>\n<li><b>C\u00f4ng Nghi\u1ec7p D\u1ea7u M\u1ecf v\u00e0 Kh\u00ed \u0110\u1ed1t:<\/b> Trong c\u00e1c h\u1ec7 th\u1ed1ng d\u1eabn d\u1ea7u v\u00e0 kh\u00ed, s\u1ef1 h\u00ecnh th\u00e0nh v\u00e0 v\u1eadn chuy\u1ec3n tr\u1ea7m t\u00edch c\u00f3 th\u1ec3 g\u00e2y t\u1eafc ngh\u1ebdn v\u00e0 l\u00e0m gi\u1ea3m hi\u1ec7u su\u1ea5t c\u1ee7a h\u1ec7 th\u1ed1ng.<\/li>\n<li><b>X\u00e2y D\u1ef1ng Th\u1ee7y L\u1ee3i:<\/b> Tr\u1ea7m t\u00edch c\u1ea7n \u0111\u01b0\u1ee3c qu\u1ea3n l\u00fd m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3 \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng d\u1eabn n\u01b0\u1edbc v\u00e0 b\u1ea3o v\u1ec7 h\u1ec7 th\u1ed1ng th\u1ee7y l\u1ee3i.<\/li>\n<\/ul>\n<p>Vi\u1ec7c hi\u1ec3u bi\u1ebft v\u00e0 \u00e1p d\u1ee5ng \u0111\u00fang c\u00e1c nguy\u00ean t\u1eafc v\u1eadn chuy\u1ec3n tr\u1ea7m t\u00edch kh\u00f4ng nh\u1eefng gi\u00fap b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng t\u1ef1 nhi\u00ean m\u00e0 c\u00f2n t\u1ed1i \u01b0u h\u00f3a v\u1eadn h\u00e0nh c\u00e1c h\u1ec7 th\u1ed1ng n\u01b0\u1edbc trong c\u00f4ng nghi\u1ec7p v\u00e0 \u0111\u00f4 th\u1ecb.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>V\u1eadn chuy\u1ec3n tr\u1ea7m t\u00edch trong d\u00f2ng ch\u1ea3y ch\u1ea5t l\u1ecfng: Gi\u1ea3i th\u00edch nguy\u00ean l\u00fd v\u00e0 \u1ee9ng d\u1ee5ng c\u1ee7a qu\u00e1 tr\u00ecnh v\u1eadn chuy\u1ec3n tr\u1ea7m t\u00edch, t\u1ea7m quan tr\u1ecdng trong 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 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