{"id":710142,"date":"2024-08-23T00:24:28","date_gmt":"2024-08-22T23:24:28","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=710142"},"modified":"2024-08-23T00:24:28","modified_gmt":"2024-08-22T23:24:28","slug":"cach-may-ep-thuy-luc-nhan-luc-len-nhieu-lan","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/cach-may-ep-thuy-luc-nhan-luc-len-nhieu-lan\/","title":{"rendered":"C\u00e1ch m\u00e1y \u00e9p th\u1ee7y l\u1ef1c nh\u00e2n l\u1ef1c l\u00ean nhi\u1ec1u l\u1ea7n"},"content":{"rendered":"<p class=\"sidekick\">M\u00e1y \u00e9p th\u1ee7y l\u1ef1c gi\u00fap t\u0103ng c\u01b0\u1eddng l\u1ef1c b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng ch\u1ea5t l\u1ecfng kh\u00f4ng n\u00e9n \u0111\u01b0\u1ee3c, l\u00e0m sao c\u01a1 ch\u1ebf n\u00e0y c\u00f3 th\u1ec3 nh\u00e2n l\u1ef1c l\u00ean nhi\u1ec1u l\u1ea7n trong ng\u00e0nh c\u01a1 h\u1ecdc.<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/cach_may_ep_thuy_luc_nhan_luc_len_nhieu_lan.png\" alt=\"C\u00e1ch m\u00e1y \u00e9p th\u1ee7y l\u1ef1c nh\u00e2n l\u1ef1c l\u00ean nhi\u1ec1u l\u1ea7n\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>C\u00e1ch m\u00e1y \u00e9p th\u1ee7y l\u1ef1c nh\u00e2n l\u1ef1c l\u00ean nhi\u1ec1u l\u1ea7n<\/h2>\n<p>M\u00e1y \u00e9p th\u1ee7y l\u1ef1c l\u00e0 m\u1ed9t thi\u1ebft b\u1ecb ph\u1ed5 bi\u1ebfn trong ng\u00e0nh c\u01a1 kh\u00ed v\u00e0 c\u00f4ng nghi\u1ec7p, s\u1eed d\u1ee5ng ch\u1ea5t l\u1ecfng \u0111\u1ec3 t\u1ea1o ra l\u1ef1c n\u00e9n l\u1edbn h\u01a1n nhi\u1ec1u l\u1ea7n so v\u1edbi l\u1ef1c \u0111\u1ea7u v\u00e0o. \u0110i\u1ec1u n\u00e0y \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n d\u1ef1a tr\u00ean nguy\u00ean l\u00fd c\u1ee7a \u0111\u1ecbnh l\u00fd Pascal, ph\u00e1t bi\u1ec3u r\u1eb1ng \u00e1p su\u1ea5t t\u1ea1i b\u1ea5t k\u1ef3 \u0111i\u1ec3m n\u00e0o c\u1ee7a ch\u1ea5t l\u1ecfng kh\u00f4ng n\u00e9n trong m\u1ed9t h\u1ec7 th\u1ed1ng k\u00edn s\u1ebd \u0111\u01b0\u1ee3c truy\u1ec1n \u0111\u1ec1u kh\u1eafp t\u1ea5t c\u1ea3 c\u00e1c h\u01b0\u1edbng.<\/p>\n<h2>Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u00e1y \u00e9p th\u1ee7y l\u1ef1c<\/h2>\n<p>M\u1ed9t m\u00e1y \u00e9p th\u1ee7y l\u1ef1c c\u01a1 b\u1ea3n bao g\u1ed3m hai xi lanh: xi lanh nh\u1ecf (xi lanh \u0111\u1ea7u v\u00e0o) v\u00e0 xi lanh l\u1edbn (xi lanh \u0111\u1ea7u ra), \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i th\u00f4ng qua m\u1ed9t \u1ed1ng d\u1eabn ch\u1ee9a \u0111\u1ea7y ch\u1ea5t l\u1ecfng, th\u01b0\u1eddng l\u00e0 d\u1ea7u th\u1ee7y l\u1ef1c. Khi t\u00e1c \u0111\u1ed9ng m\u1ed9t l\u1ef1c F1 l\u00ean piston trong xi lanh nh\u1ecf v\u1edbi di\u1ec7n t\u00edch A1, \u00e1p su\u1ea5t P t\u1ea1o ra s\u1ebd l\u00e0:<\/p>\n<p>P = \\frac{F1}{A1}<\/p>\n<p>Theo \u0111\u1ecbnh l\u00fd Pascal, \u00e1p su\u1ea5t n\u00e0y s\u1ebd \u0111\u01b0\u1ee3c truy\u1ec1n \u0111\u1ebfn xi lanh l\u1edbn, n\u01a1i c\u00f3 di\u1ec7n t\u00edch A2 v\u00e0 l\u1ef1c F2 s\u1ebd \u0111\u01b0\u1ee3c t\u1ea1o ra:<\/p>\n<p>F2 = P * A2<\/p>\n<p>Thay th\u1ebf P t\u1eeb c\u00f4ng th\u1ee9c tr\u00ean, ta c\u00f3:<\/p>\n<p>F2 = \\frac{F1 * A2}{A1}<\/p>\n<p>\u0110i\u1ec1u n\u00e0y cho th\u1ea5y l\u1ef1c F2 c\u00f3 th\u1ec3 l\u1edbn h\u01a1n r\u1ea5t nhi\u1ec1u so v\u1edbi l\u1ef1c F1, t\u00f9y thu\u1ed9c v\u00e0o t\u1ec9 l\u1ec7 di\u1ec7n t\u00edch gi\u1eefa hai xi lanh. N\u00f3i c\u00e1ch kh\u00e1c, m\u00e1y \u00e9p th\u1ee7y l\u1ef1c c\u00f3 th\u1ec3 nh\u00e2n l\u1ef1c \u0111\u1ea7u v\u00e0o l\u00ean nhi\u1ec1u l\u1ea7n nh\u1edd s\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 di\u1ec7n t\u00edch gi\u1eefa hai piston.<\/p>\n<h2>\u1ee8ng d\u1ee5ng c\u1ee7a m\u00e1y \u00e9p th\u1ee7y l\u1ef1c<\/h2>\n<ul>\n<li>\u00c9p kim lo\u1ea1i: M\u00e1y \u00e9p th\u1ee7y l\u1ef1c \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong vi\u1ec7c \u00e9p v\u00e0 \u0111\u00fac kim lo\u1ea1i th\u00e0nh c\u00e1c h\u00ecnh d\u1ea1ng kh\u00e1c nhau.<\/li>\n<li>N\u00e2ng xe: M\u1ed9t s\u1ed1 lo\u1ea1i k\u00edch xe s\u1eed d\u1ee5ng nguy\u00ean l\u00fd th\u1ee7y l\u1ef1c \u0111\u1ec3 n\u00e2ng nh\u1eefng chi\u1ebfc xe n\u1eb7ng m\u00e0 ch\u1ec9 c\u1ea7n m\u1ed9t l\u1ef1c nh\u1ecf t\u1eeb ng\u01b0\u1eddi d\u00f9ng.<\/li>\n<li>C\u00f4ng nghi\u1ec7p \u00f4 t\u00f4: Trong s\u1ea3n xu\u1ea5t \u00f4 t\u00f4, m\u00e1y \u00e9p th\u1ee7y l\u1ef1c gi\u00fap u\u1ed1n, \u0111\u1ecbnh h\u00ecnh v\u00e0 l\u1eafp r\u00e1p c\u00e1c b\u1ed9 ph\u1eadn xe.<\/li>\n<\/ul>\n<h2>L\u1ee3i \u00edch v\u00e0 h\u1ea1n ch\u1ebf<\/h2>\n<ul>\n<li><b>L\u1ee3i \u00edch:<\/b> M\u00e1y \u00e9p th\u1ee7y l\u1ef1c c\u00f3 th\u1ec3 t\u1ea1o ra l\u1ef1c n\u00e9n l\u1edbn t\u1eeb m\u1ed9t l\u1ef1c \u0111\u1ea7u v\u00e0o nh\u1ecf, ti\u1ebft ki\u1ec7m c\u00f4ng s\u1ee9c v\u00e0 t\u0103ng hi\u1ec7u qu\u1ea3 lao \u0111\u1ed9ng.<\/li>\n<li><b>H\u1ea1n ch\u1ebf:<\/b> H\u1ec7 th\u1ed1ng th\u1ee7y l\u1ef1c c\u00f3 th\u1ec3 b\u1ecb r\u00f2 r\u1ec9 d\u1ea7u, g\u00e2y \u00f4 nhi\u1ec5m m\u00f4i tr\u01b0\u1eddng v\u00e0 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u su\u1ea5t ho\u1ea1t \u0111\u1ed9ng.<\/li>\n<\/ul>\n<p>M\u00e1y \u00e9p th\u1ee7y l\u1ef1c l\u00e0 m\u1ed9t minh ch\u1ee9ng r\u00f5 r\u00e0ng cho vi\u1ec7c \u1ee9ng d\u1ee5ng c\u00e1c nguy\u00ean l\u00fd v\u1eadt l\u00fd v\u00e0o th\u1ef1c ti\u1ec5n, t\u1ea1o ra nh\u1eefng c\u00f4ng c\u1ee5 m\u1ea1nh m\u1ebd v\u00e0 h\u1eefu \u00edch trong cu\u1ed9c s\u1ed1ng h\u00e0ng ng\u00e0y.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>M\u00e1y \u00e9p th\u1ee7y l\u1ef1c gi\u00fap t\u0103ng c\u01b0\u1eddng l\u1ef1c b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng ch\u1ea5t l\u1ecfng kh\u00f4ng n\u00e9n \u0111\u01b0\u1ee3c, l\u00e0m sao c\u01a1 ch\u1ebf n\u00e0y c\u00f3 th\u1ec3 nh\u00e2n l\u1ef1c l\u00ean nhi\u1ec1u l\u1ea7n trong ng\u00e0nh c\u01a1 h\u1ecdc.<\/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\u00e1ch m\u00e1y \u00e9p th\u1ee7y l\u1ef1c nh\u00e2n l\u1ef1c l\u00ean nhi\u1ec1u l\u1ea7n<\/title>\n<meta name=\"description\" content=\"M\u00e1y \u00e9p th\u1ee7y l\u1ef1c gi\u00fap t\u0103ng c\u01b0\u1eddng l\u1ef1c b\u1eb1ng c\u00e1ch s\u1eed 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