{"id":704619,"date":"2024-10-05T21:15:36","date_gmt":"2024-10-05T20:15:36","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=704619"},"modified":"2024-10-05T21:15:36","modified_gmt":"2024-10-05T20:15:36","slug":"luu-luong-ke-xoay-do-chinh-xac-va-ung-dung","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/luu-luong-ke-xoay-do-chinh-xac-va-ung-dung\/","title":{"rendered":"L\u01b0u L\u01b0\u1ee3ng K\u1ebf Xo\u00e1y | \u0110\u1ed9 Ch\u00ednh X\u00e1c v\u00e0 \u1ee8ng D\u1ee5ng"},"content":{"rendered":"<p class=\"sidekick\">L\u01b0u L\u01b0\u1ee3ng K\u1ebf Xo\u00e1y: T\u00ecm hi\u1ec3u v\u1ec1 \u0111\u1ed9 ch\u00ednh x\u00e1c v\u00e0 \u1ee9ng d\u1ee5ng c\u1ee7a l\u01b0u l\u01b0\u1ee3ng k\u1ebf xo\u00e1y trong \u0111o l\u01b0\u1eddng l\u01b0u l\u01b0\u1ee3ng ch\u1ea5t l\u1ecfng v\u00e0 kh\u00ed, gi\u00fap c\u1ea3i thi\u1ec7n hi\u1ec7u qu\u1ea3 h\u1ec7 th\u1ed1ng.<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/luu_luong_ke_xoay_do_chinh_xac_va_ung_dung.png\" alt=\"L\u01b0u L\u01b0\u1ee3ng K\u1ebf Xo\u00e1y | \u0110\u1ed9 Ch\u00ednh X\u00e1c v\u00e0 \u1ee8ng D\u1ee5ng\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>L\u01b0u L\u01b0\u1ee3ng K\u1ebf Xo\u00e1y | \u0110\u1ed9 Ch\u00ednh X\u00e1c v\u00e0 \u1ee8ng D\u1ee5ng<\/h2>\n<p>L\u01b0u l\u01b0\u1ee3ng k\u1ebf xo\u00e1y l\u00e0 m\u1ed9t thi\u1ebft b\u1ecb quan tr\u1ecdng trong ng\u00e0nh thermo engineering, chuy\u00ean d\u00f9ng \u0111\u1ec3 \u0111o l\u01b0\u1eddng t\u1ed1c \u0111\u1ed9 d\u00f2ng ch\u1ea3y c\u1ee7a ch\u1ea5t l\u1ecfng v\u00e0 kh\u00ed. Thi\u1ebft b\u1ecb n\u00e0y ho\u1ea1t \u0111\u1ed9ng d\u1ef1a tr\u00ean nguy\u00ean l\u00fd t\u1ea1o xo\u00e1y K\u00e1rm\u00e1n v\u00e0 mang l\u1ea1i nhi\u1ec1u \u01b0u \u0111i\u1ec3m v\u01b0\u1ee3t tr\u1ed9i v\u1ec1 \u0111\u1ed9 ch\u00ednh x\u00e1c v\u00e0 kh\u1ea3 n\u0103ng \u1ee9ng d\u1ee5ng r\u1ed9ng r\u00e3i.<\/p>\n<h2>Nguy\u00ean L\u00fd Ho\u1ea1t \u0110\u1ed9ng<\/h2>\n<p>Khi d\u00f2ng ch\u1ea3y \u0111i qua m\u1ed9t v\u1eadt th\u1ec3 tr\u00f2n \u0111\u01b0\u1ee3c c\u00e0i \u0111\u1eb7t c\u1ed1 \u0111\u1ecbnh trong \u1ed1ng d\u1eabn, n\u00f3 s\u1ebd t\u1ea1o ra c\u00e1c v\u00f9ng xo\u00e1y kh\u00f4ng ng\u1eebng. T\u1ed1c \u0111\u1ed9 v\u00e0 t\u1ea7n s\u1ed1 c\u1ee7a nh\u1eefng v\u00f9ng xo\u00e1y n\u00e0y t\u1ef7 l\u1ec7 thu\u1eadn v\u1edbi t\u1ed1c \u0111\u1ed9 c\u1ee7a d\u00f2ng ch\u1ea3y. D\u1ef1a v\u00e0o t\u1ea7n s\u1ed1 c\u1ee7a c\u00e1c v\u00f9ng xo\u00e1y, l\u01b0u l\u01b0\u1ee3ng k\u1ebf xo\u00e1y c\u00f3 th\u1ec3 x\u00e1c \u0111\u1ecbnh ch\u00ednh x\u00e1c l\u01b0u l\u01b0\u1ee3ng c\u1ee7a d\u00f2ng ch\u1ea3y. C\u00f4ng th\u1ee9c ch\u00ednh \u0111\u1ec3 t\u00ecm ra l\u01b0u l\u01b0\u1ee3ng (\\(Q\\)) l\u00e0:<\/p>\n<p>\n\\( f = \\frac{St \\cdot v}{D} \\)\n<\/p>\n<p>Trong \u0111\u00f3:<\/p>\n<p><u1><\/p>\n<li>f: T\u1ea7n s\u1ed1 c\u1ee7a xo\u00e1y (Hz)<\/li>\n<li>St: H\u1eb1ng s\u1ed1 Strouhal (kh\u00f4ng c\u00f3 \u0111\u01a1n v\u1ecb)<\/li>\n<li>v: T\u1ed1c \u0111\u1ed9 d\u00f2ng ch\u1ea3y (m\/s)<\/li>\n<li>D: \u0110\u01b0\u1eddng k\u00ednh \u1ed1ng d\u1eabn (m)<\/li>\n<p><\/u1><\/p>\n<h2>\u0110\u1ed9 Ch\u00ednh X\u00e1c<\/h2>\n<p>L\u01b0u l\u01b0\u1ee3ng k\u1ebf xo\u00e1y n\u1ed5i b\u1eadt v\u1edbi \u0111\u1ed9 ch\u00ednh x\u00e1c cao, th\u01b0\u1eddng trong kho\u1ea3ng \u00b10.5% \u0111\u1ebfn \u00b11% c\u1ee7a d\u1ea3i \u0111o. \u0110i\u1ec1u n\u00e0y \u0111\u1ea1t \u0111\u01b0\u1ee3c nh\u1edd kh\u1ea3 n\u0103ng \u0111o t\u1ea7n s\u1ed1 xo\u00e1y v\u1edbi \u0111\u1ed9 ch\u00ednh x\u00e1c r\u1ea5t cao v\u00e0 \u00edt b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi c\u00e1c y\u1ebfu t\u1ed1 b\u00ean ngo\u00e0i nh\u01b0 nhi\u1ec7t \u0111\u1ed9, \u00e1p su\u1ea5t, v\u00e0 \u0111\u1ed9 nh\u1edbt c\u1ee7a ch\u1ea5t l\u1ecfng hay kh\u00ed. Nh\u1edd \u0111\u00f3, l\u01b0u l\u01b0\u1ee3ng k\u1ebf xo\u00e1y l\u00e0 m\u1ed9t thi\u1ebft b\u1ecb \u0111\u00e1ng tin c\u1eady trong nhi\u1ec1u \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p.<\/p>\n<h2>\u01afu \u0110i\u1ec3m<\/h2>\n<p><u1><\/p>\n<li>\u0110\u1ed9 ch\u00ednh x\u00e1c cao, \u1ed5n \u0111\u1ecbnh<\/li>\n<li>D\u1ec5 d\u00e0ng b\u1ea3o tr\u00ec v\u00e0 s\u1eed d\u1ee5ng<\/li>\n<li>Ph\u00f9 h\u1ee3p cho nhi\u1ec1u lo\u1ea1i ch\u1ea5t l\u1ecfng v\u00e0 kh\u00ed<\/li>\n<li>Kh\u00f4ng c\u00f3 b\u1ed9 ph\u1eadn chuy\u1ec3n \u0111\u1ed9ng, gi\u1ea3m thi\u1ec3u hao m\u00f2n v\u00e0 h\u1ecfng h\u00f3c<\/li>\n<p><\/u1><\/p>\n<h2>\u1ee8ng D\u1ee5ng<\/h2>\n<p>L\u01b0u l\u01b0\u1ee3ng k\u1ebf xo\u00e1y \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p kh\u00e1c nhau:<\/p>\n<p><u1><\/p>\n<li><strong>C\u00f4ng nghi\u1ec7p h\u00f3a ch\u1ea5t:<\/strong> \u0110o l\u01b0\u1eddng l\u01b0u l\u01b0\u1ee3ng c\u1ee7a c\u00e1c ch\u1ea5t h\u00f3a h\u1ecdc, \u0111\u1ea3m b\u1ea3o quy tr\u00ecnh s\u1ea3n xu\u1ea5t ch\u00ednh x\u00e1c v\u00e0 an to\u00e0n.<\/li>\n<li><strong>C\u00f4ng nghi\u1ec7p d\u1ea7u kh\u00ed:<\/strong> Gi\u00e1m s\u00e1t d\u00f2ng ch\u1ea3y c\u1ee7a d\u1ea7u v\u00e0 kh\u00ed \u0111\u1ec3 t\u1ed1i \u01b0u h\u00f3a s\u1ea3n xu\u1ea5t v\u00e0 ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng.<\/li>\n<li><strong>Ng\u00e0nh th\u1ef1c ph\u1ea9m v\u00e0 \u0111\u1ed3 u\u1ed1ng:<\/strong> \u0110o l\u01b0\u1eddng v\u00e0 ki\u1ec3m so\u00e1t c\u00e1c th\u00e0nh ph\u1ea7n l\u1ecfng trong s\u1ea3n xu\u1ea5t th\u1ef1c ph\u1ea9m v\u00e0 \u0111\u1ed3 u\u1ed1ng.<\/li>\n<li><strong>Ng\u00e0nh n\u01b0\u1edbc v\u00e0 x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i:<\/strong> Theo d\u00f5i v\u00e0 qu\u1ea3n l\u00fd l\u01b0u l\u01b0\u1ee3ng n\u01b0\u1edbc s\u1ea1ch v\u00e0 n\u01b0\u1edbc th\u1ea3i, h\u1ed7 tr\u1ee3 quy tr\u00ecnh x\u1eed l\u00fd hi\u1ec7u qu\u1ea3.<\/li>\n<p><\/u1><\/p>\n<p>Tr\u00ean \u0111\u00e2y l\u00e0 nh\u1eefng th\u00f4ng tin c\u01a1 b\u1ea3n v\u1ec1 l\u01b0u l\u01b0\u1ee3ng k\u1ebf xo\u00e1y, \u0111\u1ed9 ch\u00ednh x\u00e1c v\u00e0 \u1ee9ng d\u1ee5ng c\u1ee7a n\u00f3 trong th\u1ef1c t\u1ebf. Vi\u1ec7c hi\u1ec3u v\u00e0 \u00e1p d\u1ee5ng ch\u00ednh x\u00e1c nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a thi\u1ebft b\u1ecb n\u00e0y s\u1ebd gi\u00fap t\u0103ng c\u01b0\u1eddng hi\u1ec7u qu\u1ea3 v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng trong c\u00e1c qu\u00e1 tr\u00ecnh c\u00f4ng nghi\u1ec7p v\u00e0 s\u1ea3n xu\u1ea5t.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>L\u01b0u L\u01b0\u1ee3ng K\u1ebf Xo\u00e1y: T\u00ecm hi\u1ec3u v\u1ec1 \u0111\u1ed9 ch\u00ednh x\u00e1c v\u00e0 \u1ee9ng d\u1ee5ng c\u1ee7a l\u01b0u l\u01b0\u1ee3ng k\u1ebf xo\u00e1y trong \u0111o l\u01b0\u1eddng l\u01b0u l\u01b0\u1ee3ng ch\u1ea5t l\u1ecfng v\u00e0 kh\u00ed, gi\u00fap c\u1ea3i thi\u1ec7n hi\u1ec7u qu\u1ea3 h\u1ec7 th\u1ed1ng.<\/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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