{"id":695909,"date":"2024-10-27T06:43:11","date_gmt":"2024-10-27T05:43:11","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=695909"},"modified":"2024-10-27T06:43:11","modified_gmt":"2024-10-27T05:43:11","slug":"giam-chan-chat-long-trong-he-thong-co-khi","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/giam-chan-chat-long-trong-he-thong-co-khi\/","title":{"rendered":"Gi\u1ea3m ch\u1ea5n ch\u1ea5t l\u1ecfng trong h\u1ec7 th\u1ed1ng c\u01a1 kh\u00ed"},"content":{"rendered":"<p class=\"sidekick\">Gi\u1ea3m ch\u1ea5n ch\u1ea5t l\u1ecfng trong h\u1ec7 th\u1ed1ng c\u01a1 kh\u00ed gi\u00fap ki\u1ec3m so\u00e1t dao \u0111\u1ed9ng v\u00e0 gi\u1ea3m rung, c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t v\u00e0 tu\u1ed5i th\u1ecd c\u1ee7a thi\u1ebft b\u1ecb m\u1ed9t c\u00e1ch \u0111\u00e1ng k\u1ec3.<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/giam_chan_chat_long_trong_he_thong_co_khi.png\" alt=\"Gi\u1ea3m ch\u1ea5n ch\u1ea5t l\u1ecfng trong h\u1ec7 th\u1ed1ng c\u01a1 kh\u00ed\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>Gi\u1ea3m Ch\u1ea5n Ch\u1ea5t L\u1ecfng trong H\u1ec7 Th\u1ed1ng C\u01a1 Kh\u00ed<\/h2>\n<p>Gi\u1ea3m ch\u1ea5n ch\u1ea5t l\u1ecfng (hay c\u00f2n g\u1ecdi l\u00e0 b\u1ed9 gi\u1ea3m s\u00f3c th\u1ee7y l\u1ef1c) l\u00e0 m\u1ed9t th\u00e0nh ph\u1ea7n quan tr\u1ecdng trong c\u00e1c h\u1ec7 th\u1ed1ng c\u01a1 kh\u00ed, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong c\u00e1c ph\u01b0\u01a1ng ti\u1ec7n giao th\u00f4ng v\u00e0 m\u00e1y m\u00f3c c\u00f4ng nghi\u1ec7p. Ch\u00fang gi\u00fap gi\u1ea3m thi\u1ec3u c\u00e1c dao \u0111\u1ed9ng, rung \u0111\u1ed9ng v\u00e0 \u0111\u1ed9ng l\u1ef1c kh\u00f4ng mong mu\u1ed1n, gi\u00fap h\u1ec7 th\u1ed1ng ho\u1ea1t \u0111\u1ed9ng m\u01b0\u1ee3t m\u00e0 v\u00e0 b\u1ea3o v\u1ec7 c\u00e1c th\u00e0nh ph\u1ea7n kh\u1ecfi h\u01b0 h\u1ecfng. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd gi\u1edbi thi\u1ec7u v\u1ec1 c\u01a1 ch\u1ebf ho\u1ea1t \u0111\u1ed9ng c\u1ee7a gi\u1ea3m ch\u1ea5n ch\u1ea5t l\u1ecfng v\u00e0 \u1ee9ng d\u1ee5ng c\u1ee7a ch\u00fang trong \u0111\u1eddi s\u1ed1ng th\u1ef1c t\u1ebf.<\/p>\n<h2>1. C\u01a1 Ch\u1ebf Ho\u1ea1t \u0110\u1ed9ng C\u1ee7a Gi\u1ea3m Ch\u1ea5n Ch\u1ea5t L\u1ecfng<\/h2>\n<p>Gi\u1ea3m ch\u1ea5n ch\u1ea5t l\u1ecfng ho\u1ea1t \u0111\u1ed9ng d\u1ef1a tr\u00ean nguy\u00ean l\u00fd c\u1ee7a ch\u1ea5t l\u1ecfng kh\u00ed \u0111\u1ed9ng h\u1ecdc. B\u1ed9 gi\u1ea3m ch\u1ea5n g\u1ed3m hai th\u00e0nh ph\u1ea7n ch\u00ednh: piston v\u00e0 xi-lanh ch\u1ee9a \u0111\u1ea7y ch\u1ea5t l\u1ecfng (th\u01b0\u1eddng l\u00e0 d\u1ea7u). Khi c\u00f3 l\u1ef1c t\u00e1c \u0111\u1ed9ng l\u00ean h\u1ec7 th\u1ed1ng, piston di chuy\u1ec3n trong xi-lanh, t\u1ea1o ra \u00e1p su\u1ea5t l\u00ean ch\u1ea5t l\u1ecfng. S\u1ef1 di chuy\u1ec3n c\u1ee7a ch\u1ea5t l\u1ecfng qua c\u00e1c l\u1ed7 nh\u1ecf trong piston t\u1ea1o ra l\u1ef1c c\u1ea3n, gi\u00fap gi\u1ea3m thi\u1ec3u dao \u0111\u1ed9ng.<\/p>\n<p>Ph\u01b0\u01a1ng tr\u00ecnh c\u01a1 b\u1ea3n \u0111\u1ec3 m\u00f4 t\u1ea3 l\u1ef1c gi\u1ea3m ch\u1ea5n l\u00e0:<\/p>\n<p>\\[<br \/>\nF = -c v<br \/>\n\\]\n<p>Trong \u0111\u00f3:<\/p>\n<p><u1><\/p>\n<li>F: L\u1ef1c gi\u1ea3m ch\u1ea5n (N)<\/li>\n<li>c: H\u1ec7 s\u1ed1 gi\u1ea3m ch\u1ea5n (Ns\/m)<\/li>\n<li>v: V\u1eadn t\u1ed1c c\u1ee7a piston (m\/s)<\/li>\n<p><\/u1><\/p>\n<p>H\u1ec7 s\u1ed1 gi\u1ea3m ch\u1ea5n, c, ph\u1ee5 thu\u1ed9c v\u00e0o thi\u1ebft k\u1ebf c\u1ee7a b\u1ed9 gi\u1ea3m ch\u1ea5n v\u00e0 lo\u1ea1i ch\u1ea5t l\u1ecfng s\u1eed d\u1ee5ng.<\/p>\n<h2>2. C\u00e1c Lo\u1ea1i Gi\u1ea3m Ch\u1ea5n Ch\u1ea5t L\u1ecfng<\/h2>\n<p>Gi\u1ea3m ch\u1ea5n ch\u1ea5t l\u1ecfng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ph\u00e2n lo\u1ea1i th\u00e0nh nhi\u1ec1u lo\u1ea1i d\u1ef1a tr\u00ean c\u00e1ch ch\u00fang ho\u1ea1t \u0111\u1ed9ng v\u00e0 c\u1ea5u t\u1ea1o:<\/p>\n<p><o1><\/p>\n<li><b>Gi\u1ea3m Ch\u1ea5n \u0110\u01a1n:<\/b> \u0110\u00e2y l\u00e0 lo\u1ea1i gi\u1ea3n \u0111\u01a1n nh\u1ea5t, g\u1ed3m m\u1ed9t piston di chuy\u1ec3n trong m\u1ed9t xi-lanh ch\u1ee9a \u0111\u1ea7y ch\u1ea5t l\u1ecfng.<\/li>\n<li><b>Gi\u1ea3m Ch\u1ea5n K\u00e9p:<\/b> S\u1eed d\u1ee5ng hai xi-lanh \u0111\u1ed3ng tr\u1ee5c, gi\u00fap t\u0103ng kh\u1ea3 n\u0103ng gi\u1ea3m ch\u1ea5n v\u00e0 ch\u1ecbu t\u1ea3i.<\/li>\n<li><b>Gi\u1ea3m Ch\u1ea5n \u0110a K\u1ef3:<\/b> Thi\u1ebft k\u1ebf ph\u1ee9c t\u1ea1p v\u1edbi nhi\u1ec1u khoang ch\u1ee9a ch\u1ea5t l\u1ecfng v\u00e0 van \u0111i\u1ec1u ch\u1ec9nh, gi\u00fap t\u0103ng kh\u1ea3 n\u0103ng ki\u1ec3m so\u00e1t dao \u0111\u1ed9ng.<\/li>\n<p><\/o1><\/p>\n<h2>3. \u1ee8ng D\u1ee5ng C\u1ee7a Gi\u1ea3m Ch\u1ea5n Ch\u1ea5t L\u1ecfng<\/h2>\n<p>Gi\u1ea3m ch\u1ea5n ch\u1ea5t l\u1ecfng c\u00f3 nhi\u1ec1u \u1ee9ng d\u1ee5ng trong th\u1ef1c t\u1ebf, bao g\u1ed3m:<\/p>\n<p><u1><\/p>\n<li><b>Ph\u01b0\u01a1ng Ti\u1ec7n Giao Th\u00f4ng:<\/b> H\u1ec7 th\u1ed1ng treo c\u1ee7a \u00f4 t\u00f4 v\u00e0 xe m\u00e1y s\u1eed d\u1ee5ng gi\u1ea3m ch\u1ea5n ch\u1ea5t l\u1ecfng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o s\u1ef1 tho\u1ea3i m\u00e1i v\u00e0 an to\u00e0n khi di chuy\u1ec3n.<\/li>\n<li><b>M\u00e1y M\u00f3c C\u00f4ng Nghi\u1ec7p:<\/b> C\u00e1c m\u00e1y m\u00f3c l\u1edbn s\u1eed d\u1ee5ng gi\u1ea3m ch\u1ea5n \u0111\u1ec3 gi\u1ea3m rung \u0111\u1ed9ng v\u00e0 b\u1ea3o v\u1ec7 thi\u1ebft b\u1ecb.<\/li>\n<li><b>C\u00f4ng Tr\u00ecnh X\u00e2y D\u1ef1ng:<\/b> C\u00e1c t\u00f2a nh\u00e0 cao t\u1ea7ng v\u00e0 c\u1ea7u \u0111\u01b0\u1eddng \u0111\u1ec1u s\u1eed d\u1ee5ng gi\u1ea3m ch\u1ea5n \u0111\u1ec3 gi\u1ea3m thi\u1ec3u dao \u0111\u1ed9ng do gi\u00f3, \u0111\u1ed9ng \u0111\u1ea5t v\u00e0 ho\u1ea1t \u0111\u1ed9ng giao th\u00f4ng.<\/li>\n<p><\/u1><\/p>\n<h2>K\u1ebft Lu\u1eadn<\/h2>\n<p>Gi\u1ea3m ch\u1ea5n ch\u1ea5t l\u1ecfng \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t v\u00e0 tu\u1ed5i th\u1ecd c\u1ee7a c\u00e1c h\u1ec7 th\u1ed1ng c\u01a1 kh\u00ed. B\u1eb1ng c\u00e1ch hi\u1ec3u r\u00f5 c\u01a1 ch\u1ebf ho\u1ea1t \u0111\u1ed9ng v\u00e0 \u1ee9ng d\u1ee5ng c\u1ee7a ch\u00fang, ch\u00fang ta c\u00f3 th\u1ec3 thi\u1ebft k\u1ebf c\u00e1c h\u1ec7 th\u1ed1ng hi\u1ec7u qu\u1ea3 h\u01a1n v\u00e0 \u0111\u00e1p \u1ee9ng t\u1ed1t h\u01a1n c\u00e1c y\u00eau c\u1ea7u kh\u1eafc nghi\u1ec7t trong th\u1ef1c t\u1ebf.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Gi\u1ea3m ch\u1ea5n ch\u1ea5t l\u1ecfng trong h\u1ec7 th\u1ed1ng c\u01a1 kh\u00ed gi\u00fap ki\u1ec3m so\u00e1t dao \u0111\u1ed9ng v\u00e0 gi\u1ea3m rung, c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t v\u00e0 tu\u1ed5i th\u1ecd c\u1ee7a thi\u1ebft b\u1ecb m\u1ed9t c\u00e1ch \u0111\u00e1ng k\u1ec3.<\/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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