{"id":689844,"date":"2024-11-07T06:33:51","date_gmt":"2024-11-07T05:33:51","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=689844"},"modified":"2024-11-07T06:33:51","modified_gmt":"2024-11-07T05:33:51","slug":"chat-long-nhua-bingham-ung-suat-chay-ung-dung-cong-nghiep","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/chat-long-nhua-bingham-ung-suat-chay-ung-dung-cong-nghiep\/","title":{"rendered":"Ch\u1ea5t l\u1ecfng nh\u1ef1a Bingham | \u1ee8ng su\u1ea5t ch\u1ea3y &#038; \u1ee8ng d\u1ee5ng c\u00f4ng nghi\u1ec7p"},"content":{"rendered":"<p class=\"sidekick\">Ch\u1ea5t l\u1ecfng nh\u1ef1a Bingham: T\u00ecm hi\u1ec3u \u1ee8ng su\u1ea5t ch\u1ea3y &#038; c\u00e1c \u1ee8ng d\u1ee5ng c\u00f4ng nghi\u1ec7p trong ng\u00e0nh nhi\u1ec7t, t\u1eeb d\u1ea7u kh\u00ed \u0111\u1ebfn s\u1ea3n xu\u1ea5t th\u1ef1c ph\u1ea9m.<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/chat_long_nhua_bingham_ung_suat_chay_ung_dung_cong_nghiep.png\" alt=\"Ch\u1ea5t l\u1ecfng nh\u1ef1a Bingham | \u1ee8ng su\u1ea5t ch\u1ea3y &#038; \u1ee8ng d\u1ee5ng c\u00f4ng nghi\u1ec7p\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>Ch\u1ea5t l\u1ecfng nh\u1ef1a Bingham: \u1ee8ng su\u1ea5t ch\u1ea3y &#038; \u1ee8ng d\u1ee5ng c\u00f4ng nghi\u1ec7p<\/h2>\n<p>Trong ng\u00e0nh k\u1ef9 thu\u1eadt nhi\u1ec7t v\u00e0 x\u1eed l\u00fd ch\u1ea5t l\u1ecfng, kh\u00e1i ni\u1ec7m v\u1ec1 ch\u1ea5t l\u1ecfng nh\u1ef1a Bingham l\u00e0 m\u1ed9t ph\u1ea7n quan tr\u1ecdng. Lo\u1ea1i ch\u1ea5t l\u1ecfng n\u00e0y c\u00f3 nh\u1eefng t\u00ednh ch\u1ea5t \u0111\u1ed9c \u0111\u00e1o c\u1ea7n ph\u1ea3i hi\u1ec3u r\u00f5 \u0111\u1ec3 \u1ee9ng d\u1ee5ng hi\u1ec7u qu\u1ea3 trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p.<\/p>\n<h2>Ch\u1ea5t l\u1ecfng nh\u1ef1a Bingham l\u00e0 g\u00ec?<\/h2>\n<p>Ch\u1ea5t l\u1ecfng nh\u1ef1a Bingham l\u00e0 lo\u1ea1i ch\u1ea5t l\u1ecfng kh\u00f4ng ch\u1ea3y ngay khi c\u00f3 l\u1ef1c t\u00e1c d\u1ee5ng m\u00e0 ch\u1ec9 b\u1eaft \u0111\u1ea7u ch\u1ea3y khi \u0111\u1ea1t \u0111\u1ebfn m\u1ed9t ng\u01b0\u1ee1ng \u1ee9ng su\u1ea5t nh\u1ea5t \u0111\u1ecbnh, g\u1ecdi l\u00e0 <em>\u1ee9ng su\u1ea5t ch\u1ea3y<\/em>. \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 ch\u1ea5t l\u1ecfng n\u00e0y c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c m\u1ed9t l\u01b0\u1ee3ng \u1ee9ng su\u1ea5t x\u00e1c \u0111\u1ecbnh m\u00e0 kh\u00f4ng bi\u1ebfn d\u1ea1ng.<\/p>\n<ul>\n<li>\u1ee8ng su\u1ea5t ch\u1ea3y (Yield Stress): L\u1ef1c c\u1ea7n thi\u1ebft \u0111\u1ec3 b\u1eaft \u0111\u1ea7u l\u00e0m ch\u1ea5t l\u1ecfng nh\u1ef1a Bingham ch\u1ea3y.<\/li>\n<li>\u0110\u1ed9 nh\u1edbt (Viscosity): Sau khi v\u01b0\u1ee3t qua ng\u01b0\u1ee1ng \u1ee9ng su\u1ea5t ch\u1ea3y, \u0111\u1ed9 nh\u1edbt c\u1ee7a ch\u1ea5t l\u1ecfng s\u1ebd quy\u1ebft \u0111\u1ecbnh t\u1ed1c \u0111\u1ed9 d\u00f2ng ch\u1ea3y.<\/li>\n<\/ul>\n<p>Ph\u01b0\u01a1ng tr\u00ecnh di\u1ec5n t\u1ea3 ch\u1ea5t l\u1ecfng nh\u1ef1a Bingham th\u01b0\u1eddng \u0111\u01b0\u1ee3c bi\u1ec3u th\u1ecb b\u1eb1ng:<\/p>\n<p>$$\\tau = \\tau_0 + \\eta \\frac{du}{dy}$$<\/p>\n<p>Trong \u0111\u00f3:<\/p>\n<ul>\n<li>\\(\\tau\\) l\u00e0 \u1ee9ng su\u1ea5t c\u1eaft (shear stress)<\/li>\n<li>\\(\\tau_0\\) l\u00e0 \u1ee9ng su\u1ea5t ch\u1ea3y (yield stress)<\/li>\n<li>\\(\\eta\\) l\u00e0 \u0111\u1ed9 nh\u1edbt (plastic viscosity)<\/li>\n<li>\\(du\/dy\\) l\u00e0 gradient v\u1eadn t\u1ed1c (velocity gradient)<\/li>\n<\/ul>\n<h2>\u1ee8ng d\u1ee5ng c\u00f4ng nghi\u1ec7p c\u1ee7a ch\u1ea5t l\u1ecfng nh\u1ef1a Bingham<\/h2>\n<p>Ch\u1ea5t l\u1ecfng nh\u1ef1a Bingham \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng r\u1ed9ng r\u00e3i trong nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p nh\u1edd v\u00e0o t\u00ednh ch\u1ea5t ch\u1ecbu \u1ee9ng su\u1ea5t v\u00e0 \u0111\u1eb7c \u0111i\u1ec3m d\u00f2ng ch\u1ea3y c\u1ee7a n\u00f3.<\/p>\n<ol>\n<li><strong>Ng\u00e0nh c\u00f4ng nghi\u1ec7p th\u1ef1c ph\u1ea9m:<\/strong> Nhi\u1ec1u s\u1ea3n ph\u1ea9m th\u1ef1c ph\u1ea9m nh\u01b0 mayonnaise, t\u01b0\u01a1ng c\u00e0, v\u00e0 s\u00f4 c\u00f4 la c\u00f3 t\u00ednh ch\u1ea5t c\u1ee7a ch\u1ea5t l\u1ecfng nh\u1ef1a Bingham. Vi\u1ec7c hi\u1ec3u r\u00f5 \u1ee9ng su\u1ea5t ch\u1ea3y gi\u00fap trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t v\u00e0 \u0111\u00f3ng g\u00f3i.<\/li>\n<li><strong>Ng\u00e0nh d\u01b0\u1ee3c ph\u1ea9m:<\/strong> C\u00e1c lo\u1ea1i thu\u1ed1c m\u1ee1 v\u00e0 gel y t\u1ebf c\u0169ng th\u01b0\u1eddng c\u00f3 t\u00ednh ch\u1ea5t nh\u1ef1a Bingham \u0111\u1ec3 d\u1ec5 d\u00e0ng s\u1eed d\u1ee5ng v\u00e0 b\u00f4i l\u00ean da.<\/li>\n<li><strong>X\u1eed l\u00fd khai th\u00e1c v\u00e0 b\u00f9n \u0111\u1ea5t:<\/strong> Trong qu\u00e1 tr\u00ecnh khoan d\u1ea7u, b\u00f9n khoan c\u00f3 t\u00ednh ch\u1ea5t nh\u1ef1a Bingham gi\u00fap gi\u1eef cho c\u00e1c m\u1ea3nh v\u1ee5n kh\u00f4ng \u0111i v\u00e0o l\u1ed7 khoan khi ch\u01b0a \u0111\u1ea1t \u0111\u1ee7 \u00e1p l\u1ef1c d\u00f2ng ch\u1ea3y.<\/li>\n<li><strong>S\u01a1n v\u00e0 ch\u1ea5t ph\u1ee7:<\/strong> S\u01a1n th\u01b0\u1eddng c\u00f3 t\u00ednh ch\u1ea5t nh\u1ef1a Bingham \u0111\u1ec3 h\u1ea1n ch\u1ebf ch\u1ea3y nh\u00f2e khi c\u00f2n \u01b0\u1edbt v\u00e0 d\u1ec5 d\u00e0ng thi c\u00f4ng.<\/li>\n<\/ol>\n<p>Nh\u00ecn chung, vi\u1ec7c hi\u1ec3u r\u00f5 v\u1ec1 ch\u1ea5t l\u1ecfng nh\u1ef1a Bingham v\u00e0 \u1ee9ng su\u1ea5t ch\u1ea3y l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 \u0111i\u1ec1u ch\u1ec9nh quy tr\u00ecnh s\u1ea3n xu\u1ea5t v\u00e0 s\u1eed d\u1ee5ng hi\u1ec7u qu\u1ea3 trong nhi\u1ec1u l\u0129nh v\u1ef1c.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ch\u1ea5t l\u1ecfng nh\u1ef1a Bingham: T\u00ecm hi\u1ec3u \u1ee8ng su\u1ea5t ch\u1ea3y &#038; c\u00e1c \u1ee8ng d\u1ee5ng c\u00f4ng nghi\u1ec7p trong ng\u00e0nh nhi\u1ec7t, t\u1eeb d\u1ea7u kh\u00ed \u0111\u1ebfn s\u1ea3n xu\u1ea5t th\u1ef1c ph\u1ea9m.<\/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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