{"id":689863,"date":"2024-08-22T17:26:02","date_gmt":"2024-08-22T16:26:02","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=689863"},"modified":"2024-08-22T17:26:02","modified_gmt":"2024-08-22T16:26:02","slug":"ky-thuat-va-ung-dung-cua-mang-chat-long-thuy-dong-luc-hoc-trong-boi-tron","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/ky-thuat-va-ung-dung-cua-mang-chat-long-thuy-dong-luc-hoc-trong-boi-tron\/","title":{"rendered":"K\u1ef9 Thu\u1eadt v\u00e0 \u1ee8ng D\u1ee5ng C\u1ee7a M\u00e0ng Ch\u1ea5t L\u1ecfng Th\u1ee7y \u0110\u1ed9ng L\u1ef1c H\u1ecdc Trong B\u00f4i Tr\u01a1n"},"content":{"rendered":"<p class=\"sidekick\">K\u1ef9 thu\u1eadt v\u00e0 \u1ee9ng d\u1ee5ng c\u1ee7a m\u00e0ng ch\u1ea5t l\u1ecfng th\u1ee7y \u0111\u1ed9ng l\u1ef1c h\u1ecdc trong b\u00f4i tr\u01a1n: T\u00ecm hi\u1ec3u c\u00e1ch m\u00e0ng ch\u1ea5t l\u1ecfng gi\u00fap gi\u1ea3m ma s\u00e1t v\u00e0 b\u1ea3o v\u1ec7 m\u00e1y m\u00f3c trong ho\u1ea1t \u0111\u1ed9ng c\u00f4ng nghi\u1ec7p.<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/ky_thuat_va_ung_dung_cua_mang_chat_long_thuy_dong_luc_hoc_trong_boi_tron.png\" alt=\"K\u1ef9 Thu\u1eadt v\u00e0 \u1ee8ng D\u1ee5ng C\u1ee7a M\u00e0ng Ch\u1ea5t L\u1ecfng Th\u1ee7y \u0110\u1ed9ng L\u1ef1c H\u1ecdc Trong B\u00f4i Tr\u01a1n\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>K\u1ef9 Thu\u1eadt v\u00e0 \u1ee8ng D\u1ee5ng C\u1ee7a M\u00e0ng Ch\u1ea5t L\u1ecfng Th\u1ee7y \u0110\u1ed9ng L\u1ef1c H\u1ecdc Trong B\u00f4i Tr\u01a1n<\/h2>\n<p>Trong ng\u00e0nh k\u1ef9 thu\u1eadt nhi\u1ec7t, k\u1ef9 thu\u1eadt b\u00f4i tr\u01a1n l\u00e0 m\u1ed9t l\u0129nh v\u1ef1c quan tr\u1ecdng, \u0111\u1eb7c bi\u1ec7t l\u00e0 khi n\u00f3i \u0111\u1ebfn vi\u1ec7c gi\u1ea3m ma s\u00e1t v\u00e0 m\u00e0i m\u00f2n trong c\u00e1c h\u1ec7 th\u1ed1ng c\u01a1 kh\u00ed. M\u1ed9t trong nh\u1eefng k\u1ef9 thu\u1eadt b\u00f4i tr\u01a1n ti\u00ean ti\u1ebfn l\u00e0 s\u1eed d\u1ee5ng m\u00e0ng ch\u1ea5t l\u1ecfng th\u1ee7y \u0111\u1ed9ng l\u1ef1c h\u1ecdc. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd minh h\u1ecda nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng v\u00e0 \u1ee9ng d\u1ee5ng c\u1ee7a k\u1ef9 thu\u1eadt n\u00e0y.<\/p>\n<h2>Nguy\u00ean L\u00fd Ho\u1ea1t \u0110\u1ed9ng<\/h2>\n<p>M\u00e0ng ch\u1ea5t l\u1ecfng th\u1ee7y \u0111\u1ed9ng l\u1ef1c h\u1ecdc (Hydrodynamic Lubrication) ho\u1ea1t \u0111\u1ed9ng d\u1ef1a tr\u00ean nguy\u00ean l\u00fd r\u1eb1ng m\u1ed9t l\u1edbp ch\u1ea5t l\u1ecfng trong \u0111i\u1ec3m ti\u1ebfp x\u00fac gi\u1eefa c\u00e1c b\u1ec1 m\u1eb7t chuy\u1ec3n \u0111\u1ed9ng c\u00f3 th\u1ec3 gi\u1ea3m ma s\u00e1t \u0111\u00e1ng k\u1ec3. Qu\u00e1 tr\u00ecnh n\u00e0y di\u1ec5n ra khi ch\u1ea5t l\u1ecfng (nh\u01b0 d\u1ea7u b\u00f4i tr\u01a1n) \u0111\u01b0\u1ee3c \u0111\u1ea9y v\u00e0o v\u00f9ng ti\u1ebfp x\u00fac gi\u1eefa c\u00e1c b\u1ec1 m\u1eb7t v\u00e0 t\u1ea1o ra m\u1ed9t \u00e1p su\u1ea5t n\u1ed9i t\u1ea1i.<\/p>\n<p>\u00c1p su\u1ea5t n\u00e0y \u0111\u1ee7 l\u1edbn \u0111\u1ec3 t\u00e1ch r\u1eddi ho\u00e0n to\u00e0n hai b\u1ec1 m\u1eb7t chuy\u1ec3n \u0111\u1ed9ng, ng\u0103n ch\u00fang kh\u00f4ng ch\u1ea1m v\u00e0o nhau. Khi \u0111\u00f3, c\u00e1c b\u1ec1 m\u1eb7t s\u1ebd &#8220;l\u01b0\u1edbt&#8221; tr\u00ean l\u1edbp ch\u1ea5t l\u1ecfng, gi\u00fap gi\u1ea3m ma s\u00e1t v\u00e0 m\u00e0i m\u00f2n. C\u00f4ng th\u1ee9c c\u01a1 b\u1ea3n m\u00f4 t\u1ea3 s\u1ef1 h\u00ecnh th\u00e0nh c\u1ee7a m\u00e0ng ch\u1ea5t l\u1ecfng l\u00e0:<\/p>\n<p><i> \u00c1p su\u1ea5t = \\frac{L\u1ef1c}{Di\u1ec7n t\u00edch} <\/i><\/p>\n<h2>\u1ee8ng D\u1ee5ng Th\u1ef1c T\u1ebf<\/h2>\n<ul>\n<li><b>\u0110\u1ed9ng c\u01a1 nhi\u1ec7t:<\/b> Trong c\u00e1c \u0111\u1ed9ng c\u01a1 nhi\u1ec7t, c\u00e1c b\u1ed9 ph\u1eadn nh\u01b0 b\u1ea1c \u0111\u1ec7m v\u00e0 xi lanh c\u1ea7n \u0111\u01b0\u1ee3c b\u00f4i tr\u01a1n li\u00ean t\u1ee5c \u0111\u1ec3 gi\u1ea3m ma s\u00e1t. S\u1eed d\u1ee5ng m\u00e0ng ch\u1ea5t l\u1ecfng gi\u00fap \u0111\u1ea3m b\u1ea3o hi\u1ec7u su\u1ea5t \u0111\u1ed9ng c\u01a1 v\u00e0 k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd c\u1ee7a c\u00e1c b\u1ed9 ph\u1eadn.<\/li>\n<li><b>H\u1ec7 th\u1ed1ng m\u00e1y c\u00f4ng nghi\u1ec7p:<\/b> M\u00e1y m\u00f3c c\u00f4ng nghi\u1ec7p v\u1edbi t\u1ed1c \u0111\u1ed9 cao v\u00e0 t\u1ea3i tr\u1ecdng l\u1edbn c\u1ea7n s\u1ef1 b\u00f4i tr\u01a1n t\u1ed1i \u01b0u \u0111\u1ec3 ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh. M\u00e0ng ch\u1ea5t l\u1ecfng th\u1ee7y \u0111\u1ed9ng l\u1ef1c h\u1ecdc gi\u00fap m\u00e1y ho\u1ea1t \u0111\u1ed9ng m\u01b0\u1ee3t m\u00e0 v\u00e0 hi\u1ec7u qu\u1ea3 h\u01a1n.<\/li>\n<li><b>Ng\u00e0nh c\u00f4ng nghi\u1ec7p \u00f4 t\u00f4:<\/b> Trong c\u00e1c h\u1ed9p s\u1ed1 v\u00e0 c\u00e1c kh\u1edbp n\u1ed1i c\u1ee7a xe \u00f4 t\u00f4, m\u00e0ng ch\u1ea5t l\u1ecfng gi\u00fap gi\u1ea3m s\u1ef1 m\u00e0i m\u00f2n v\u00e0 \u0111\u1ea3m b\u1ea3o ho\u1ea1t \u0111\u1ed9ng c\u1ee7a c\u00e1c b\u1ed9 ph\u1eadn c\u01a1 kh\u00ed.<\/li>\n<\/ul>\n<h2>K\u1ebft Lu\u1eadn<\/h2>\n<p>K\u1ef9 thu\u1eadt b\u00f4i tr\u01a1n b\u1eb1ng m\u00e0ng ch\u1ea5t l\u1ecfng th\u1ee7y \u0111\u1ed9ng l\u1ef1c h\u1ecdc \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c t\u0103ng c\u01b0\u1eddng hi\u1ec7u su\u1ea5t v\u00e0 \u0111\u1ed9 b\u1ec1n c\u1ee7a c\u00e1c h\u1ec7 th\u1ed1ng c\u01a1 kh\u00ed. B\u1eb1ng c\u00e1ch gi\u1ea3m ma s\u00e1t v\u00e0 m\u00e0i m\u00f2n, n\u00f3 gi\u00fap b\u1ea3o v\u1ec7 v\u00e0 k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd c\u1ee7a c\u00e1c b\u1ed9 ph\u1eadn m\u00e1y m\u00f3c, \u0111\u1ed3ng th\u1eddi \u0111\u1ea3m b\u1ea3o ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh cho to\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng.<\/p>\n<p>Vi\u1ec7c hi\u1ec3u r\u00f5 v\u00e0 \u1ee9ng d\u1ee5ng m\u00e0ng ch\u1ea5t l\u1ecfng th\u1ee7y \u0111\u1ed9ng l\u1ef1c h\u1ecdc kh\u00f4ng ch\u1ec9 gi\u00fap c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t l\u00e0m vi\u1ec7c m\u00e0 c\u00f2n l\u00e0 y\u1ebfu t\u1ed1 quan tr\u1ecdng trong vi\u1ec7c b\u1ea3o tr\u00ec v\u00e0 s\u1eeda ch\u1eefa m\u00e1y m\u00f3c trong th\u1ef1c t\u1ebf.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>K\u1ef9 thu\u1eadt v\u00e0 \u1ee9ng d\u1ee5ng c\u1ee7a m\u00e0ng ch\u1ea5t l\u1ecfng th\u1ee7y \u0111\u1ed9ng l\u1ef1c h\u1ecdc trong b\u00f4i tr\u01a1n: T\u00ecm hi\u1ec3u c\u00e1ch m\u00e0ng ch\u1ea5t l\u1ecfng gi\u00fap gi\u1ea3m ma s\u00e1t v\u00e0 b\u1ea3o v\u1ec7 m\u00e1y m\u00f3c trong ho\u1ea1t \u0111\u1ed9ng c\u00f4ng nghi\u1ec7p.<\/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>K\u1ef9 Thu\u1eadt v\u00e0 \u1ee8ng D\u1ee5ng C\u1ee7a M\u00e0ng Ch\u1ea5t L\u1ecfng Th\u1ee7y \u0110\u1ed9ng L\u1ef1c H\u1ecdc Trong B\u00f4i Tr\u01a1n<\/title>\n<meta name=\"description\" content=\"K\u1ef9 thu\u1eadt v\u00e0 \u1ee9ng d\u1ee5ng c\u1ee7a m\u00e0ng ch\u1ea5t l\u1ecfng th\u1ee7y \u0111\u1ed9ng l\u1ef1c h\u1ecdc trong b\u00f4i tr\u01a1n: T\u00ecm hi\u1ec3u c\u00e1ch m\u00e0ng ch\u1ea5t l\u1ecfng gi\u00fap gi\u1ea3m ma s\u00e1t v\u00e0 b\u1ea3o v\u1ec7 m\u00e1y m\u00f3c trong ho\u1ea1t \u0111\u1ed9ng c\u00f4ng 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