{"id":703575,"date":"2024-08-22T23:32:28","date_gmt":"2024-08-22T22:32:28","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=703575"},"modified":"2024-08-22T23:32:28","modified_gmt":"2024-08-22T22:32:28","slug":"ong-xoay-nhiet-tach-nhiet-lam-mat-am","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/ong-xoay-nhiet-tach-nhiet-lam-mat-am\/","title":{"rendered":"\u1ed0ng Xo\u00e1y Nhi\u1ec7t | T\u00e1ch Nhi\u1ec7t, L\u00e0m M\u00e1t\/\u1ea4m"},"content":{"rendered":"<p class=\"sidekick\">\u1ed0ng xo\u00e1y nhi\u1ec7t: C\u00f4ng c\u1ee5 t\u00e1ch nhi\u1ec7t, l\u00e0m m\u00e1t ho\u1eb7c l\u00e0m \u1ea5m kh\u00f4ng kh\u00ed hi\u1ec7u qu\u1ea3, \u1ee9ng d\u1ee5ng trong nhi\u1ec1u l\u0129nh v\u1ef1c c\u00f4ng nghi\u1ec7p v\u00e0 \u0111\u1eddi s\u1ed1ng h\u00e0ng ng\u00e0y.<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/ong_xoay_nhiet_tach_nhiet_lam_mat-am.png\" alt=\"\u1ed0ng Xo\u00e1y Nhi\u1ec7t | T\u00e1ch Nhi\u1ec7t, L\u00e0m M\u00e1t\/\u1ea4m\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>\u1ed0ng Xo\u00e1y Nhi\u1ec7t | T\u00e1ch Nhi\u1ec7t, L\u00e0m M\u00e1t\/\u1ea4m<\/h2>\n<p>\u1ed0ng xo\u00e1y nhi\u1ec7t, c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 &#8220;Vortex Tube,&#8221; l\u00e0 m\u1ed9t thi\u1ebft b\u1ecb nhi\u1ec7t \u0111\u1ed9ng h\u1ecdc \u0111\u1ed9c \u0111\u00e1o kh\u00f4ng c\u00f3 ph\u1ea7n chuy\u1ec3n \u0111\u1ed9ng nh\u01b0ng l\u1ea1i c\u00f3 th\u1ec3 chia m\u1ed9t lu\u1ed3ng kh\u00ed n\u00e9n th\u00e0nh hai lu\u1ed3ng kh\u00ed: m\u1ed9t n\u00f3ng v\u00e0 m\u1ed9t l\u1ea1nh. C\u00f4ng ngh\u1ec7 n\u00e0y \u0111\u00e3 \u0111\u01b0\u1ee3c ph\u00e1t minh b\u1edfi nh\u00e0 v\u1eadt l\u00fd George Ranque v\u00e0o n\u0103m 1933 v\u00e0 sau \u0111\u00f3 \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n b\u1edfi Rudolf Hilsch v\u00e0o n\u0103m 1945.<\/p>\n<h2>C\u01a1 Ch\u1ebf Ho\u1ea1t \u0110\u1ed9ng<\/h2>\n<p>\u1ed0ng xo\u00e1y nhi\u1ec7t ho\u1ea1t \u0111\u1ed9ng d\u1ef1a tr\u00ean nguy\u00ean l\u00fd c\u01a1 h\u1ecdc ch\u1ea5t l\u01b0u v\u00e0 nhi\u1ec7t \u0111\u1ed9ng. Qu\u00e1 tr\u00ecnh nh\u01b0 sau:<\/p>\n<ul>\n<li>Kh\u00ed n\u00e9n \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o \u1ed1ng qua m\u1ed9t l\u1ed7 nh\u1ecf, t\u1ea1o ra m\u1ed9t d\u00f2ng xo\u00e1y cao t\u1ed1c.<\/li>\n<li>D\u00f2ng kh\u00ed xo\u00e1y n\u00e0y t\u1ea1o ra m\u1ed9t l\u1ef1c ly t\u00e2m m\u1ea1nh, g\u00e2y ra s\u1ef1 ch\u00eanh l\u1ec7ch \u00e1p su\u1ea5t gi\u1eefa t\u00e2m v\u00e0 b\u1ec1 m\u1eb7t \u1ed1ng.<\/li>\n<li>Theo nguy\u00ean l\u00fd b\u1ea3o to\u00e0n n\u0103ng l\u01b0\u1ee3ng, kh\u00ed g\u1ea7n b\u1ec1 m\u1eb7t \u1ed1ng l\u00e0m n\u00f3ng l\u00ean, trong khi kh\u00ed g\u1ea7n t\u00e2m l\u00e0m l\u1ea1nh.<\/li>\n<li>K\u1ebft qu\u1ea3 l\u00e0 lu\u1ed3ng kh\u00ed n\u00f3ng \u0111\u01b0\u1ee3c \u0111\u1ea9y ra m\u1ed9t b\u00ean c\u1ee7a \u1ed1ng, trong khi lu\u1ed3ng kh\u00ed l\u1ea1nh \u0111\u01b0\u1ee3c \u0111\u01b0a ra b\u00ean \u0111\u1ed1i di\u1ec7n.<\/li>\n<\/ul>\n<h2>\u1ee8ng D\u1ee5ng<\/h2>\n<p>\u1ed0ng xo\u00e1y nhi\u1ec7t c\u00f3 nhi\u1ec1u \u1ee9ng d\u1ee5ng trong c\u00f4ng nghi\u1ec7p v\u00e0 \u0111\u1eddi s\u1ed1ng h\u00e0ng ng\u00e0y:<\/p>\n<ul>\n<li><b>L\u00e0m m\u00e1t<\/b>: S\u1eed d\u1ee5ng trong c\u00e1c qu\u00e1 tr\u00ecnh c\u00f4ng nghi\u1ec7p \u0111\u1ec3 l\u00e0m m\u00e1t c\u00e1c c\u00f4ng c\u1ee5 v\u00e0 m\u00e1y m\u00f3c.<\/li>\n<li><b>S\u01b0\u1edfi \u1ea5m<\/b>: \u0110\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 s\u01b0\u1edfi \u1ea5m c\u00e1c b\u1ec1 m\u1eb7t nh\u1ecf ho\u1eb7c khu v\u1ef1c c\u1ee5 th\u1ec3.<\/li>\n<li><b>\u0110i\u1ec1u h\u00f2a kh\u00f4ng kh\u00ed<\/b>: M\u1ed9t s\u1ed1 h\u1ec7 th\u1ed1ng \u0111i\u1ec1u h\u00f2a kh\u00f4ng kh\u00ed s\u1eed d\u1ee5ng \u1ed1ng xo\u00e1y nhi\u1ec7t \u0111\u1ec3 ki\u1ec3m so\u00e1t nhi\u1ec7t \u0111\u1ed9.<\/li>\n<\/ul>\n<h2>\u01afu \u0110i\u1ec3m<\/h2>\n<ul>\n<li><b>Kh\u00f4ng c\u00f3 ph\u1ea7n chuy\u1ec3n \u0111\u1ed9ng<\/b>: \u0110i\u1ec1u n\u00e0y gi\u1ea3m thi\u1ec3u hao m\u00f2n v\u00e0 b\u1ea3o tr\u00ec.<\/li>\n<li><b>D\u1ec5 l\u1eafp \u0111\u1eb7t v\u00e0 v\u1eadn h\u00e0nh<\/b>: Kh\u00f4ng c\u1ea7n \u0111\u1ebfn ngu\u1ed3n nhi\u1ec7t ho\u1eb7c \u0111i\u1ec7n ph\u1ee9c t\u1ea1p.<\/li>\n<li><b>\u1ee8ng d\u1ee5ng linh ho\u1ea1t<\/b>: C\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng t\u00edch h\u1ee3p v\u00e0o c\u00e1c h\u1ec7 th\u1ed1ng hi\u1ec7n c\u00f3.<\/li>\n<\/ul>\n<h2>Nh\u01b0\u1ee3c \u0110i\u1ec3m<\/h2>\n<ul>\n<li><b>Hi\u1ec7u qu\u1ea3 n\u0103ng l\u01b0\u1ee3ng kh\u00f4ng cao<\/b>: \u1ed0ng xo\u00e1y nhi\u1ec7t kh\u00f4ng th\u1ec3 s\u1eed d\u1ee5ng to\u00e0n b\u1ed9 n\u0103ng l\u01b0\u1ee3ng kh\u00ed n\u00e9n m\u00e0 n\u00f3 s\u1eed d\u1ee5ng.<\/li>\n<li><b>Gi\u1edbi h\u1ea1n v\u1ec1 nhi\u1ec7t \u0111\u1ed9<\/b>: C\u00f3 gi\u1edbi h\u1ea1n v\u1ec1 nhi\u1ec7t \u0111\u1ed9 t\u1ed1i \u0111a m\u00e0 \u1ed1ng c\u00f3 th\u1ec3 t\u1ea1o ra.<\/li>\n<\/ul>\n<p>\u1ea4n t\u01b0\u1ee3ng c\u1ee7a \u1ed1ng xo\u00e1y nhi\u1ec7t n\u1eb1m \u1edf ch\u1ed7, m\u1eb7c d\u00f9 thi\u1ebft k\u1ebf c\u1ee7a n\u00f3 r\u1ea5t \u0111\u01a1n gi\u1ea3n, nh\u01b0ng n\u00f3 l\u1ea1i t\u1ea1o ra hi\u1ec7u \u1ee9ng nhi\u1ec7t \u0111\u1ed9ng h\u1ecdc kh\u00e1 ph\u1ee9c t\u1ea1p v\u00e0 hi\u1ec7u qu\u1ea3. Ng\u00e0y nay, \u1ed1ng xo\u00e1y nhi\u1ec7t l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 qu\u00fd b\u00e1u trong nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p v\u00e0 nghi\u00ean c\u1ee9u khoa h\u1ecdc, m\u1edf ra nhi\u1ec1u c\u01a1 h\u1ed9i \u1ee9ng d\u1ee5ng m\u1edbi trong t\u01b0\u01a1ng lai.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u1ed0ng xo\u00e1y nhi\u1ec7t: C\u00f4ng c\u1ee5 t\u00e1ch nhi\u1ec7t, l\u00e0m m\u00e1t ho\u1eb7c l\u00e0m \u1ea5m kh\u00f4ng kh\u00ed hi\u1ec7u qu\u1ea3, \u1ee9ng d\u1ee5ng trong nhi\u1ec1u l\u0129nh v\u1ef1c c\u00f4ng nghi\u1ec7p v\u00e0 \u0111\u1eddi s\u1ed1ng h\u00e0ng ng\u00e0y.<\/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>\u1ed0ng Xo\u00e1y Nhi\u1ec7t | T\u00e1ch 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