{"id":709781,"date":"2024-11-17T12:52:06","date_gmt":"2024-11-17T11:52:06","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=709781"},"modified":"2024-11-17T12:52:06","modified_gmt":"2024-11-17T11:52:06","slug":"co-che-chat-long-trong-he-thong-nuoc-do-thi","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/co-che-chat-long-trong-he-thong-nuoc-do-thi\/","title":{"rendered":"C\u01a1 Ch\u1ebf Ch\u1ea5t L\u1ecfng Trong H\u1ec7 Th\u1ed1ng N\u01b0\u1edbc \u0110\u00f4 Th\u1ecb"},"content":{"rendered":"<p class=\"sidekick\">C\u01a1 ch\u1ebf ch\u1ea5t l\u1ecfng trong h\u1ec7 th\u1ed1ng n\u01b0\u1edbc \u0111\u00f4 th\u1ecb: T\u00ecm hi\u1ec3u c\u00e1ch c\u00e1c h\u1ec7 th\u1ed1ng n\u00e0y ho\u1ea1t \u0111\u1ed9ng, qu\u00e1 tr\u00ecnh l\u01b0u th\u00f4ng n\u01b0\u1edbc, v\u00e0 c\u00e1ch duy tr\u00ec \u00e1p l\u1ef1c n\u01b0\u1edbc \u1ed5n \u0111\u1ecbnh trong th\u00e0nh ph\u1ed1.<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/co_che_chat_long_trong_he_thong_nuoc_do_thi.png\" alt=\"C\u01a1 Ch\u1ebf Ch\u1ea5t L\u1ecfng Trong H\u1ec7 Th\u1ed1ng N\u01b0\u1edbc \u0110\u00f4 Th\u1ecb\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>C\u01a1 Ch\u1ebf Ch\u1ea5t L\u1ecfng Trong H\u1ec7 Th\u1ed1ng N\u01b0\u1edbc \u0110\u00f4 Th\u1ecb<\/h2>\n<p>H\u1ec7 th\u1ed1ng n\u01b0\u1edbc \u0111\u00f4 th\u1ecb l\u00e0 m\u1ed9t ph\u1ea7n quan tr\u1ecdng trong c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng c\u1ee7a m\u1ed9t th\u00e0nh ph\u1ed1. N\u00f3 cung c\u1ea5p n\u01b0\u1edbc s\u1ea1ch cho sinh ho\u1ea1t, s\u1ea3n xu\u1ea5t v\u00e0 \u0111\u1ea3m b\u1ea3o v\u1ec7 sinh m\u00f4i tr\u01b0\u1eddng. Trong b\u00e0i vi\u1ebft n\u00e0y, ch\u00fang ta s\u1ebd t\u00ecm hi\u1ec3u v\u1ec1 c\u01a1 ch\u1ebf ch\u1ea5t l\u1ecfng trong h\u1ec7 th\u1ed1ng n\u01b0\u1edbc \u0111\u00f4 th\u1ecb v\u00e0 c\u00e1c nguy\u00ean l\u00fd c\u01a1 b\u1ea3n li\u00ean quan \u0111\u1ebfn n\u00f3.<\/p>\n<h2>Nguy\u00ean T\u1eafc C\u01a1 B\u1ea3n<\/h2>\n<p>H\u1ec7 th\u1ed1ng n\u01b0\u1edbc \u0111\u00f4 th\u1ecb ho\u1ea1t \u0111\u1ed9ng d\u1ef1a tr\u00ean m\u1ed9t s\u1ed1 nguy\u00ean t\u1eafc c\u01a1 b\u1ea3n c\u1ee7a c\u01a1 h\u1ecdc ch\u1ea5t l\u1ecfng, bao g\u1ed3m:<\/p>\n<p><u1><\/p>\n<li>Nguy\u00ean l\u00fd B\u1ea3o to\u00e0n Kh\u1ed1i l\u01b0\u1ee3ng (Continuity Equation)<\/li>\n<li>\u0110\u1ecbnh lu\u1eadt Bernoulli<\/li>\n<li>\u0110\u1ecbnh lu\u1eadt Pascal<\/li>\n<p><\/u1><\/p>\n<h2>Nguy\u00ean L\u00fd B\u1ea3o To\u00e0n Kh\u1ed1i L\u01b0\u1ee3ng<\/h2>\n<p>Nguy\u00ean l\u00fd b\u1ea3o to\u00e0n kh\u1ed1i l\u01b0\u1ee3ng, hay ph\u01b0\u01a1ng tr\u00ecnh ti\u1ebfp li\u00ean, ph\u00e1t bi\u1ec3u r\u1eb1ng:<\/p>\n<p>\\(A_1 \\cdot v_1 = A_2 \\cdot v_2 \\)<\/p>\n<p>Trong \u0111\u00f3:<\/p>\n<p><o1><\/p>\n<li>A_1 v\u00e0 A_2: Di\u1ec7n t\u00edch m\u1eb7t c\u1eaft ngang c\u1ee7a c\u00e1c ph\u1ea7n kh\u00e1c nhau trong \u0111\u01b0\u1eddng \u1ed1ng<\/li>\n<li>v_1 v\u00e0 v_2: V\u1eadn t\u1ed1c c\u1ee7a ch\u1ea5t l\u1ecfng t\u1ea1i c\u00e1c ph\u1ea7n t\u01b0\u01a1ng \u1ee9ng<\/li>\n<p><\/o1><\/p>\n<p>Nguy\u00ean l\u00fd n\u00e0y \u0111\u1ea3m b\u1ea3o r\u1eb1ng l\u01b0\u1ee3ng n\u01b0\u1edbc \u0111i v\u00e0o m\u1ed9t \u0111o\u1ea1n \u1ed1ng b\u1eb1ng v\u1edbi l\u01b0\u1ee3ng n\u01b0\u1edbc \u0111i ra \u0111o\u1ea1n \u1ed1ng \u0111\u00f3.<\/p>\n<h2>\u0110\u1ecbnh Lu\u1eadt Bernoulli<\/h2>\n<p>\u0110\u1ecbnh lu\u1eadt Bernoulli ph\u00e1t bi\u1ec3u m\u1ed1i quan h\u1ec7 gi\u1eefa v\u1eadn t\u1ed1c, \u00e1p su\u1ea5t v\u00e0 \u0111\u1ed9 cao c\u1ee7a ch\u1ea5t l\u1ecfng ch\u1ea3y d\u1ecdc theo m\u1ed9t \u0111\u01b0\u1eddng d\u00f2ng:<\/p>\n<p>\\(P + \\frac{1}{2} \\rho v^2 + \\rho gh = const\\)<\/p>\n<p>Trong \u0111\u00f3:<\/p>\n<p><o1><\/p>\n<li>P: \u00c1p su\u1ea5t ch\u1ea5t l\u1ecfng<\/li>\n<li>\\(\\rho\\): Kh\u1ed1i l\u01b0\u1ee3ng ri\u00eang c\u1ee7a ch\u1ea5t l\u1ecfng<\/li>\n<li>v: V\u1eadn t\u1ed1c c\u1ee7a ch\u1ea5t l\u1ecfng<\/li>\n<li>g: Gia t\u1ed1c tr\u1ecdng tr\u01b0\u1eddng<\/li>\n<li>h: \u0110\u1ed9 cao so v\u1edbi m\u1eb7t chu\u1ea9n<\/li>\n<p><\/o1><\/p>\n<p>\u0110\u1ecbnh lu\u1eadt Bernoulli gi\u00fap hi\u1ec3u \u0111\u01b0\u1ee3c c\u00e1ch \u00e1p su\u1ea5t thay \u0111\u1ed5i t\u1ea1i c\u00e1c \u0111i\u1ec3m kh\u00e1c nhau trong h\u1ec7 th\u1ed1ng, t\u1eeb \u0111\u00f3 thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng cung c\u1ea5p n\u01b0\u1edbc hi\u1ec7u qu\u1ea3 h\u01a1n.<\/p>\n<h2>\u0110\u1ecbnh Lu\u1eadt Pascal<\/h2>\n<p>\u0110\u1ecbnh lu\u1eadt Pascal ph\u00e1t bi\u1ec3u r\u1eb1ng:<\/p>\n<p>\u201c\u00c1p su\u1ea5t \u0111\u01b0\u1ee3c t\u1ea1o ra b\u1edfi m\u1ed9t l\u1ef1c t\u00e1c \u0111\u1ed9ng l\u00ean b\u1ec1 m\u1eb7t c\u1ee7a ch\u1ea5t l\u1ecfng trong m\u1ed9t h\u1ec7 th\u1ed1ng k\u00edn \u0111\u01b0\u1ee3c truy\u1ec1n \u0111i nguy\u00ean v\u1eb9n trong m\u1ecdi h\u01b0\u1edbng c\u1ee7a ch\u1ea5t l\u1ecfng \u0111\u00f3.\u201d<\/p>\n<p>\u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 m\u1ed9t thay \u0111\u1ed5i \u00e1p su\u1ea5t t\u1ea1i m\u1ed9t \u0111i\u1ec3m trong ch\u1ea5t l\u1ecfng s\u1ebd \u0111\u01b0\u1ee3c truy\u1ec1n \u0111i m\u00e0 kh\u00f4ng suy gi\u1ea3m \u0111\u1ebfn m\u1ecdi \u0111i\u1ec3m kh\u00e1c trong h\u1ec7 th\u1ed1ng. \u0110\u1ecbnh lu\u1eadt Pascal r\u1ea5t quan tr\u1ecdng trong vi\u1ec7c thi\u1ebft k\u1ebf b\u1ed3n ch\u1ee9a n\u01b0\u1edbc v\u00e0 h\u1ec7 th\u1ed1ng ph\u00e2n ph\u1ed1i n\u01b0\u1edbc.<\/p>\n<h2>\u1ee8ng D\u1ee5ng Th\u1ef1c T\u1ebf<\/h2>\n<p>C\u00e1c nguy\u00ean l\u00fd n\u00e0y \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng \u0111\u1ec3 thi\u1ebft k\u1ebf v\u00e0 v\u1eadn h\u00e0nh c\u00e1c h\u1ec7 th\u1ed1ng ph\u00e2n ph\u1ed1i n\u01b0\u1edbc \u0111\u00f4 th\u1ecb, bao g\u1ed3m:<\/p>\n<p><u1><\/p>\n<li>H\u1ec7 th\u1ed1ng c\u1ea5p n\u01b0\u1edbc: \u0110\u1ec3 cung c\u1ea5p n\u01b0\u1edbc u\u1ed1ng s\u1ea1ch v\u00e0 an to\u00e0n<\/li>\n<li>H\u1ec7 th\u1ed1ng tho\u00e1t n\u01b0\u1edbc: \u0110\u1ec3 qu\u1ea3n l\u00fd n\u01b0\u1edbc th\u1ea3i v\u00e0 n\u01b0\u1edbc m\u01b0a<\/li>\n<li>H\u1ec7 th\u1ed1ng \u0111i\u1ec1u \u00e1p: \u0110\u1ec3 duy tr\u00ec \u00e1p su\u1ea5t n\u01b0\u1edbc \u1ed5n \u0111\u1ecbnh trong m\u1ea1ng l\u01b0\u1edbi ph\u00e2n ph\u1ed1i<\/li>\n<p><\/u1><\/p>\n<p>Hi\u1ec3u r\u00f5 c\u00e1c c\u01a1 ch\u1ebf ch\u1ea5t l\u1ecfng trong h\u1ec7 th\u1ed1ng n\u01b0\u1edbc \u0111\u00f4 th\u1ecb gi\u00fap ch\u00fang ta \u0111\u1ea3m b\u1ea3o s\u1ef1 \u1ed5n \u0111\u1ecbnh v\u00e0 hi\u1ec7u qu\u1ea3 c\u1ee7a h\u1ec7 th\u1ed1ng, t\u1eeb \u0111\u00f3 n\u00e2ng cao ch\u1ea5t l\u01b0\u1ee3ng s\u1ed1ng cho c\u01b0 d\u00e2n \u0111\u00f4 th\u1ecb.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>C\u01a1 ch\u1ebf ch\u1ea5t l\u1ecfng trong h\u1ec7 th\u1ed1ng n\u01b0\u1edbc \u0111\u00f4 th\u1ecb: T\u00ecm hi\u1ec3u c\u00e1ch c\u00e1c h\u1ec7 th\u1ed1ng n\u00e0y ho\u1ea1t \u0111\u1ed9ng, qu\u00e1 tr\u00ecnh l\u01b0u th\u00f4ng n\u01b0\u1edbc, v\u00e0 c\u00e1ch duy tr\u00ec \u00e1p l\u1ef1c n\u01b0\u1edbc \u1ed5n \u0111\u1ecbnh trong th\u00e0nh ph\u1ed1.<\/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>C\u01a1 Ch\u1ebf Ch\u1ea5t L\u1ecfng Trong H\u1ec7 Th\u1ed1ng N\u01b0\u1edbc \u0110\u00f4 Th\u1ecb<\/title>\n<meta name=\"description\" content=\"C\u01a1 ch\u1ebf ch\u1ea5t l\u1ecfng trong h\u1ec7 th\u1ed1ng n\u01b0\u1edbc \u0111\u00f4 th\u1ecb: T\u00ecm hi\u1ec3u c\u00e1ch c\u00e1c h\u1ec7 th\u1ed1ng n\u00e0y ho\u1ea1t \u0111\u1ed9ng, qu\u00e1 tr\u00ecnh 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