{"id":682598,"date":"2024-10-01T12:55:44","date_gmt":"2024-10-01T11:55:44","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=682598"},"modified":"2024-10-01T12:55:44","modified_gmt":"2024-10-01T11:55:44","slug":"10-loai-thiet-bi-do-luu-luong-khong-khi","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/10-loai-thiet-bi-do-luu-luong-khong-khi\/","title":{"rendered":"10 Lo\u1ea1i Thi\u1ebft B\u1ecb \u0110o L\u01b0u L\u01b0\u1ee3ng Kh\u00f4ng Kh\u00ed"},"content":{"rendered":"<p class=\"sidekick\">10 Lo\u1ea1i Thi\u1ebft B\u1ecb \u0110o L\u01b0u L\u01b0\u1ee3ng Kh\u00f4ng Kh\u00ed: H\u01b0\u1edbng d\u1eabn c\u00e1ch s\u1eed d\u1ee5ng v\u00e0 so s\u00e1nh c\u00e1c thi\u1ebft b\u1ecb \u0111o nh\u01b0 m\u00e1y \u0111o c\u00e1nh qu\u1ea1t, c\u1ea3m bi\u1ebfn nhi\u1ec7t \u0111\u1ed9, v\u00e0 \u1ed1ng Pitot.<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/10_loai_thiet_bi_do_luu_luong_khong_khi.png\" alt=\"10 Lo\u1ea1i Thi\u1ebft B\u1ecb \u0110o L\u01b0u L\u01b0\u1ee3ng Kh\u00f4ng Kh\u00ed\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>10 Lo\u1ea1i Thi\u1ebft B\u1ecb \u0110o L\u01b0u L\u01b0\u1ee3ng Kh\u00f4ng Kh\u00ed<\/h2>\n<p>Trong l\u0129nh v\u1ef1c k\u1ef9 thu\u1eadt nhi\u1ec7t, vi\u1ec7c \u0111o l\u01b0u l\u01b0\u1ee3ng kh\u00f4ng kh\u00ed l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o hi\u1ec7u su\u1ea5t v\u00e0 an to\u00e0n c\u1ee7a c\u00e1c h\u1ec7 th\u1ed1ng. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 10 lo\u1ea1i thi\u1ebft b\u1ecb \u0111o l\u01b0u l\u01b0\u1ee3ng kh\u00f4ng kh\u00ed ph\u1ed5 bi\u1ebfn m\u00e0 b\u1ea1n c\u00f3 th\u1ec3 g\u1eb7p:<\/p>\n<p><u1><\/p>\n<li><b>Thi\u1ebft B\u1ecb \u0110o L\u01b0u L\u01b0\u1ee3ng C\u00e1nh Xoay (Rotary Vane Anemometer):<\/b> S\u1eed d\u1ee5ng m\u1ed9t c\u00e1nh xoay \u0111\u1ec3 \u0111o t\u1ed1c \u0111\u1ed9 kh\u00f4ng kh\u00ed. Khi kh\u00f4ng kh\u00ed th\u1ed5i qua, c\u00e1nh xoay quay v\u00e0 t\u1eeb \u0111\u00f3 t\u00ednh to\u00e1n l\u01b0u l\u01b0\u1ee3ng kh\u00f4ng kh\u00ed.<\/li>\n<li><b>Phim Nhi\u1ec7t (Hot-Wire Anemometer):<\/b> S\u1eed d\u1ee5ng m\u1ed9t d\u00e2y d\u1eabn n\u00f3ng \u0111\u1ec3 \u0111o t\u1ed1c \u0111\u1ed9 kh\u00f4ng kh\u00ed. D\u00e2y n\u00e0y l\u00e0m n\u00f3ng v\u00e0 khi kh\u00f4ng kh\u00ed th\u1ed5i qua, nhi\u1ec7t \u0111\u1ed9 gi\u1ea3m v\u00e0 l\u01b0u l\u01b0\u1ee3ng kh\u00f4ng kh\u00ed \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n t\u1eeb s\u1ef1 thay \u0111\u1ed5i n\u00e0y.<\/li>\n<li><b>Phim Nhi\u1ec7t Ngu\u1ed9i (Cold-Wire Anemometer):<\/b> L\u00e0 m\u1ed9t bi\u1ebfn th\u1ec3 c\u1ee7a phim nhi\u1ec7t, s\u1eed d\u1ee5ng d\u00e2y l\u1ea1nh \u0111\u1ec3 \u0111o nhi\u1ec7t \u0111\u1ed9 thay \u0111\u1ed5i khi kh\u00f4ng kh\u00ed th\u1ed5i qua.<\/li>\n<li><b>\u1ed0ng Pitot (Pitot Tube):<\/b> D\u00f9ng \u0111\u1ec3 \u0111o \u00e1p su\u1ea5t t\u0129nh v\u00e0 \u00e1p su\u1ea5t to\u00e0n ph\u1ea7n, t\u1eeb \u0111\u00f3 x\u00e1c \u0111\u1ecbnh t\u1ed1c \u0111\u1ed9 kh\u00f4ng kh\u00ed qua m\u1ed9t ph\u01b0\u01a1ng tr\u00ecnh Bernoulli \u0111\u01a1n gi\u1ea3n.<\/li>\n<li><b>L\u01b0u L\u01b0\u1ee3ng K\u1ebf Nhi\u1ec7t (Thermal Mass Flow Meter):<\/b> \u0110o l\u01b0u l\u01b0\u1ee3ng kh\u00f4ng kh\u00ed d\u1ef1a tr\u00ean m\u1ee9c nhi\u1ec7t \u0111\u1ed9 truy\u1ec1n qua m\u1ed9t ph\u1ea7n t\u1eed c\u1ea3m bi\u1ebfn. S\u1ef1 thay \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9 \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 t\u00ednh to\u00e1n l\u01b0u l\u01b0\u1ee3ng kh\u00f4ng kh\u00ed.<\/li>\n<li><b>L\u01b0u L\u01b0\u1ee3ng K\u1ebf D\u00f2ng Xo\u00e1y (Vortex Flow Meter):<\/b> T\u1ea1o ra d\u00f2ng xo\u00e1y khi kh\u00f4ng kh\u00ed th\u1ed5i qua, v\u00e0 t\u1ea7n s\u1ed1 c\u1ee7a nh\u1eefng d\u00f2ng xo\u00e1y n\u00e0y d\u00f9ng \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh l\u01b0u l\u01b0\u1ee3ng kh\u00f4ng kh\u00ed.<\/li>\n<li><b>L\u01b0u L\u01b0\u1ee3ng K\u1ebf Si\u00eau \u00c2m (Ultrasonic Flow Meter):<\/b> S\u1eed d\u1ee5ng s\u00f3ng si\u00eau \u00e2m \u0111\u1ec3 \u0111o t\u1ed1c \u0111\u1ed9 kh\u00f4ng kh\u00ed. T\u00edn hi\u1ec7u si\u00eau \u00e2m di chuy\u1ec3n qua d\u00f2ng ch\u1ea3y v\u00e0 thay \u0111\u1ed5i t\u1ea7n s\u1ed1 s\u1ebd cho bi\u1ebft l\u01b0u l\u01b0\u1ee3ng kh\u00f4ng kh\u00ed.<\/li>\n<li><b>Bi\u1ebfn T\u1ea7n N\u1ea1p (Impingement Anemometer):<\/b> \u0110o t\u1ed1c \u0111\u1ed9 kh\u00f4ng kh\u00ed b\u1eb1ng c\u00e1ch \u0111o \u00e1p su\u1ea5t t\u1ea1o ra b\u1edfi lu\u1ed3ng gi\u00f3 \u0111\u1eadp v\u00e0o m\u1ed9t b\u1ec1 m\u1eb7t th\u1eb3ng \u0111\u1ee9ng.<\/li>\n<li><b>L\u01b0u L\u01b0\u1ee3ng K\u1ebf \u0110i\u1ec7n T\u1eeb (Electromagnetic Flow Meter):<\/b> S\u1eed d\u1ee5ng tr\u01b0\u1eddng \u0111i\u1ec7n t\u1eeb \u0111\u1ec3 \u0111o t\u1ed1c \u0111\u1ed9 kh\u00f4ng kh\u00ed. Khi kh\u00f4ng kh\u00ed di chuy\u1ec3n qua tr\u01b0\u1eddng n\u00e0y, n\u00f3 t\u1ea1o ra m\u1ed9t hi\u1ec7u \u0111i\u1ec7n th\u1ebf t\u1ef7 l\u1ec7 v\u1edbi t\u1ed1c \u0111\u1ed9 d\u00f2ng ch\u1ea3y.<\/li>\n<li><b>\u1ed0ng \u0110o Ch\u00eanh \u00c1p (Differential Pressure Flow Meter):<\/b> \u0110o \u00e1p su\u1ea5t kh\u00e1c nhau gi\u1eefa hai \u0111i\u1ec3m trong \u1ed1ng d\u1eabn kh\u00f4ng kh\u00ed. S\u1ef1 ch\u00eanh l\u1ec7ch \u00e1p su\u1ea5t n\u00e0y \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 t\u00ednh to\u00e1n l\u01b0u l\u01b0\u1ee3ng kh\u00f4ng kh\u00ed.<\/li>\n<p><\/u1><\/p>\n<p>C\u00e1c thi\u1ebft b\u1ecb \u0111o l\u01b0u l\u01b0\u1ee3ng kh\u00f4ng kh\u00ed n\u00e0y \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong nhi\u1ec1u \u1ee9ng d\u1ee5ng kh\u00e1c nhau t\u1eeb h\u1ec7 th\u1ed1ng HVAC, qu\u1ea3n l\u00fd th\u00f4ng gi\u00f3, \u0111\u1ebfn c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p s\u1ea3n xu\u1ea5t v\u00e0 nghi\u00ean c\u1ee9u khoa h\u1ecdc. Hi\u1ec3u v\u1ec1 s\u1ef1 kh\u00e1c nhau v\u00e0 c\u00e1ch ho\u1ea1t \u0111\u1ed9ng c\u1ee7a t\u1eebng lo\u1ea1i thi\u1ebft b\u1ecb gi\u00fap b\u1ea1n l\u1ef1a ch\u1ecdn \u0111\u01b0\u1ee3c c\u00f4ng c\u1ee5 ph\u00f9 h\u1ee3p nh\u1ea5t cho c\u00f4ng vi\u1ec7c c\u1ee7a m\u00ecnh.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>10 Lo\u1ea1i Thi\u1ebft B\u1ecb \u0110o L\u01b0u L\u01b0\u1ee3ng Kh\u00f4ng Kh\u00ed: H\u01b0\u1edbng d\u1eabn c\u00e1ch s\u1eed d\u1ee5ng v\u00e0 so s\u00e1nh c\u00e1c thi\u1ebft b\u1ecb \u0111o nh\u01b0 m\u00e1y \u0111o c\u00e1nh qu\u1ea1t, c\u1ea3m bi\u1ebfn nhi\u1ec7t \u0111\u1ed9, v\u00e0 \u1ed1ng Pitot.<\/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 Thi\u1ebft 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