{"id":696441,"date":"2024-10-19T21:13:59","date_gmt":"2024-10-19T20:13:59","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=696441"},"modified":"2024-10-19T21:13:59","modified_gmt":"2024-10-19T20:13:59","slug":"phan-tich-hien-tuong-bua-nuoc-trong-he-thong-duong-ong","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/phan-tich-hien-tuong-bua-nuoc-trong-he-thong-duong-ong\/","title":{"rendered":"Ph\u00e2n t\u00edch hi\u1ec7n t\u01b0\u1ee3ng b\u00faa n\u01b0\u1edbc trong h\u1ec7 th\u1ed1ng \u0111\u01b0\u1eddng \u1ed1ng"},"content":{"rendered":"<p class=\"sidekick\">Hi\u1ec7n t\u01b0\u1ee3ng b\u00faa n\u01b0\u1edbc trong h\u1ec7 th\u1ed1ng \u0111\u01b0\u1eddng \u1ed1ng: t\u00ecm hi\u1ec3u nguy\u00ean nh\u00e2n, t\u00e1c \u0111\u1ed9ng v\u00e0 c\u00e1c bi\u1ec7n ph\u00e1p gi\u1ea3m thi\u1ec3u trong l\u0129nh v\u1ef1c k\u1ef9 thu\u1eadt nhi\u1ec7t.<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/phan_tich_hien_tuong_bua_nuoc_trong_he_thong_duong_ong.png\" alt=\"Ph\u00e2n t\u00edch hi\u1ec7n t\u01b0\u1ee3ng b\u00faa n\u01b0\u1edbc trong h\u1ec7 th\u1ed1ng \u0111\u01b0\u1eddng \u1ed1ng\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>Ph\u00e2n t\u00edch hi\u1ec7n t\u01b0\u1ee3ng b\u00faa n\u01b0\u1edbc trong h\u1ec7 th\u1ed1ng \u0111\u01b0\u1eddng \u1ed1ng<\/h2>\n<p>Hi\u1ec7n t\u01b0\u1ee3ng b\u00faa n\u01b0\u1edbc (hay c\u00f2n g\u1ecdi l\u00e0 &#8220;water hammer&#8221;) l\u00e0 m\u1ed9t hi\u1ec7n t\u01b0\u1ee3ng ph\u1ed5 bi\u1ebfn trong c\u00e1c h\u1ec7 th\u1ed1ng \u0111\u01b0\u1eddng \u1ed1ng n\u01b0\u1edbc. \u0110\u00e2y l\u00e0 qu\u00e1 tr\u00ecnh x\u1ea3y ra khi d\u00f2ng ch\u1ea3y n\u01b0\u1edbc trong \u1ed1ng \u0111\u1ed9t ng\u1ed9t b\u1ecb d\u1eebng l\u1ea1i ho\u1eb7c thay \u0111\u1ed5i t\u1ed1c \u0111\u1ed9, t\u1ea1o ra m\u1ed9t s\u00f3ng \u00e1p su\u1ea5t lan truy\u1ec1n d\u1ecdc theo \u0111\u01b0\u1eddng \u1ed1ng. Hi\u1ec7n t\u01b0\u1ee3ng n\u00e0y c\u00f3 th\u1ec3 g\u00e2y ra nh\u1eefng t\u00e1c \u0111\u1ed9ng ti\u00eau c\u1ef1c v\u00e0 thi\u1ec7t h\u1ea1i nghi\u00eam tr\u1ecdng n\u1ebfu kh\u00f4ng \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t \u0111\u00fang c\u00e1ch.<\/p>\n<h2>Nguy\u00ean nh\u00e2n c\u1ee7a hi\u1ec7n t\u01b0\u1ee3ng b\u00faa n\u01b0\u1edbc<\/h2>\n<ul>\n<li>\u0110\u00f3ng\/m\u1edf van \u0111\u1ed9t ng\u1ed9t: Khi van trong h\u1ec7 th\u1ed1ng \u0111\u00f3ng ho\u1eb7c m\u1edf m\u1ed9t c\u00e1ch nhanh ch\u00f3ng, s\u1ef1 thay \u0111\u1ed5i \u0111\u1ed9t ng\u1ed9t trong t\u1ed1c \u0111\u1ed9 d\u00f2ng ch\u1ea3y c\u00f3 th\u1ec3 g\u00e2y ra s\u00f3ng \u00e1p su\u1ea5t cao.<\/li>\n<li>D\u1eebng m\u00e1y b\u01a1m \u0111\u1ed9t ng\u1ed9t: Khi m\u00e1y b\u01a1m ng\u1eebng ho\u1ea1t \u0111\u1ed9ng \u0111\u1ed9t ng\u1ed9t, \u0111\u1ed9ng n\u0103ng c\u1ee7a n\u01b0\u1edbc trong \u1ed1ng b\u1ecb bi\u1ebfn \u0111\u1ed5i nhanh ch\u00f3ng, t\u1eeb \u0111\u00f3 t\u1ea1o ra s\u00f3ng \u00e1p su\u1ea5t.<\/li>\n<li>Ch\u00eanh l\u1ec7ch \u00e1p su\u1ea5t: S\u1ef1 thay \u0111\u1ed5i \u0111\u1ed9t ng\u1ed9t v\u1ec1 \u00e1p su\u1ea5t trong h\u1ec7 th\u1ed1ng c\u0169ng c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn hi\u1ec7n t\u01b0\u1ee3ng b\u00faa n\u01b0\u1edbc.<\/li>\n<\/ul>\n<h2>H\u1eadu qu\u1ea3 c\u1ee7a hi\u1ec7n t\u01b0\u1ee3ng b\u00faa n\u01b0\u1edbc<\/h2>\n<p>Hi\u1ec7n t\u01b0\u1ee3ng b\u00faa n\u01b0\u1edbc c\u00f3 th\u1ec3 g\u00e2y ra nhi\u1ec1u h\u1eadu qu\u1ea3 nghi\u00eam tr\u1ecdng \u0111\u1ed1i v\u1edbi h\u1ec7 th\u1ed1ng \u0111\u01b0\u1eddng \u1ed1ng, bao g\u1ed3m:<\/p>\n<ol>\n<li>H\u01b0 h\u1ecfng \u0111\u01b0\u1eddng \u1ed1ng: \u00c1p su\u1ea5t cao \u0111\u1ed9t ng\u1ed9t c\u00f3 th\u1ec3 g\u00e2y n\u1ee9t ho\u1eb7c v\u1ee1 \u0111\u01b0\u1eddng \u1ed1ng.<\/li>\n<li>G\u00e3y\/bi\u1ebfn d\u1ea1ng c\u00e1c thi\u1ebft b\u1ecb: Van, m\u00e1y b\u01a1m v\u00e0 c\u00e1c thi\u1ebft b\u1ecb kh\u00e1c c\u00f3 th\u1ec3 b\u1ecb h\u01b0 h\u1ecfng ho\u1eb7c bi\u1ebfn d\u1ea1ng do \u00e1p l\u1ef1c cao.<\/li>\n<li>G\u00e2y ti\u1ebfng \u1ed3n: Hi\u1ec7n t\u01b0\u1ee3ng n\u00e0y th\u01b0\u1eddng \u0111i k\u00e8m v\u1edbi ti\u1ebfng \u1ed3n l\u1edbn, g\u00e2y b\u1ea5t ti\u1ec7n v\u00e0 lo l\u1eafng cho ng\u01b0\u1eddi s\u1eed d\u1ee5ng.<\/li>\n<\/ol>\n<h2>Gi\u1ea3i ph\u00e1p gi\u1ea3m thi\u1ec3u hi\u1ec7n t\u01b0\u1ee3ng b\u00faa n\u01b0\u1edbc<\/h2>\n<p>\u0110\u1ec3 gi\u1ea3m thi\u1ec3u hi\u1ec7n t\u01b0\u1ee3ng b\u00faa n\u01b0\u1edbc, c\u00e1c k\u1ef9 s\u01b0 th\u01b0\u1eddng \u00e1p d\u1ee5ng m\u1ed9t s\u1ed1 bi\u1ec7n ph\u00e1p sau:<\/p>\n<ul>\n<li><u>B\u1ed9 gi\u1ea3m ch\u1ea5n:<\/u> S\u1eed d\u1ee5ng c\u00e1c thi\u1ebft b\u1ecb gi\u1ea3m ch\u1ea5n nh\u01b0 b\u00ecnh t\u00edch \u00e1p ho\u1eb7c \u1ed1ng gi\u1ea3m ch\u1ea5n \u0111\u1ec3 h\u1ea5p th\u1ee5 s\u00f3ng \u00e1p su\u1ea5t.<\/li>\n<li><u>\u0110i\u1ec1u ch\u1ec9nh t\u1ed1c \u0111\u1ed9 \u0111\u00f3ng\/m\u1edf van:<\/u> T\u1ed1i \u01b0u ho\u00e1 t\u1ed1c \u0111\u1ed9 \u0111\u00f3ng\/m\u1edf van \u0111\u1ec3 gi\u1ea3m s\u1ef1 thay \u0111\u1ed5i \u0111\u1ed9t ng\u1ed9t c\u1ee7a d\u00f2ng ch\u1ea3y.<\/li>\n<li><u>L\u1eafp \u0111\u1eb7t van ch\u1ed1ng b\u00faa n\u01b0\u1edbc:<\/u> S\u1eed d\u1ee5ng c\u00e1c lo\u1ea1i van thi\u1ebft k\u1ebf \u0111\u1eb7c bi\u1ec7t \u0111\u1ec3 ki\u1ec3m so\u00e1t b\u00faa n\u01b0\u1edbc, nh\u01b0 van gi\u1ea3m \u00e1p ho\u1eb7c van m\u1ed9t chi\u1ec1u.<\/li>\n<\/ul>\n<h2>K\u1ebft lu\u1eadn<\/h2>\n<p>Hi\u1ec7n t\u01b0\u1ee3ng b\u00faa n\u01b0\u1edbc l\u00e0 m\u1ed9t v\u1ea5n \u0111\u1ec1 quan tr\u1ecdng trong thi\u1ebft k\u1ebf v\u00e0 v\u1eadn h\u00e0nh c\u1ee7a h\u1ec7 th\u1ed1ng \u0111\u01b0\u1eddng \u1ed1ng. Vi\u1ec7c hi\u1ec3u r\u00f5 nguy\u00ean nh\u00e2n, h\u1eadu qu\u1ea3 c\u0169ng nh\u01b0 c\u00e1c bi\u1ec7n ph\u00e1p gi\u1ea3m thi\u1ec3u l\u00e0 c\u1ea7n thi\u1ebft \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o an to\u00e0n v\u00e0 hi\u1ec7u qu\u1ea3 cho h\u1ec7 th\u1ed1ng. C\u00e1c k\u1ef9 s\u01b0 c\u1ea7n ph\u1ea3i xem x\u00e9t k\u1ef9 l\u01b0\u1ee1ng v\u00e0 \u00e1p d\u1ee5ng c\u00e1c bi\u1ec7n ph\u00e1p ph\u00f2ng ng\u1eeba th\u00edch h\u1ee3p \u0111\u1ec3 gi\u1ea3m thi\u1ec3u c\u00e1c r\u1ee7i ro li\u00ean quan \u0111\u1ebfn hi\u1ec7n t\u01b0\u1ee3ng n\u00e0y.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Hi\u1ec7n t\u01b0\u1ee3ng b\u00faa n\u01b0\u1edbc trong h\u1ec7 th\u1ed1ng \u0111\u01b0\u1eddng \u1ed1ng: t\u00ecm hi\u1ec3u nguy\u00ean nh\u00e2n, t\u00e1c \u0111\u1ed9ng v\u00e0 c\u00e1c bi\u1ec7n ph\u00e1p gi\u1ea3m thi\u1ec3u trong l\u0129nh v\u1ef1c 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 site is optimized with the Yoast SEO plugin v15.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Ph\u00e2n t\u00edch hi\u1ec7n 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