{"id":709914,"date":"2024-11-25T14:46:45","date_gmt":"2024-11-25T13:46:45","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=709914"},"modified":"2024-11-25T14:46:45","modified_gmt":"2024-11-25T13:46:45","slug":"hieu-ve-chat-long-phi-newton","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/hieu-ve-chat-long-phi-newton\/","title":{"rendered":"Hi\u1ec3u v\u1ec1 Ch\u1ea5t l\u1ecfng phi Newton"},"content":{"rendered":"<p class=\"sidekick\">Ch\u1ea5t l\u1ecfng phi Newton: T\u00ecm hi\u1ec3u v\u1ec1 t\u00ednh ch\u1ea5t \u0111\u1ed9c \u0111\u00e1o v\u00e0 \u1ee9ng d\u1ee5ng trong k\u1ef9 thu\u1eadt nhi\u1ec7t, t\u1eeb d\u1ea7u nh\u1edbt \u0111\u1ebfn c\u00e1c s\u1ea3n ph\u1ea9m ti\u00eau d\u00f9ng h\u00e0ng ng\u00e0y.<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/hieu_ve_chat_long_phi_newton.png\" alt=\"Hi\u1ec3u v\u1ec1 Ch\u1ea5t l\u1ecfng phi Newton\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>Hi\u1ec3u v\u1ec1 Ch\u1ea5t l\u1ecfng phi Newton<\/h2>\n<p>Trong ng\u00e0nh k\u1ef9 thu\u1eadt nhi\u1ec7t, ch\u00fang ta th\u01b0\u1eddng g\u1eb7p c\u00e1c lo\u1ea1i ch\u1ea5t l\u1ecfng kh\u00f4ng tu\u00e2n theo \u0111\u1ecbnh lu\u1eadt Newton v\u1ec1 \u0111\u1ed9 nh\u1edbt. Nh\u1eefng ch\u1ea5t l\u1ecfng n\u00e0y \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 <strong>ch\u1ea5t l\u1ecfng phi Newton<\/strong>. Trong b\u00e0i vi\u1ebft n\u00e0y, ch\u00fang ta s\u1ebd t\u00ecm hi\u1ec3u v\u1ec1 kh\u00e1i ni\u1ec7m v\u00e0 c\u00e1c lo\u1ea1i ch\u1ea5t l\u1ecfng phi Newton, c\u0169ng nh\u01b0 c\u00e1c \u1ee9ng d\u1ee5ng c\u1ee7a ch\u00fang trong th\u1ef1c t\u1ebf.<\/p>\n<h2>Ch\u1ea5t l\u1ecfng phi Newton l\u00e0 g\u00ec?<\/h2>\n<p>Kh\u00e1c v\u1edbi ch\u1ea5t l\u1ecfng Newton, ch\u1ea5t l\u1ecfng phi Newton c\u00f3 \u0111\u1ed9 nh\u1edbt kh\u00f4ng c\u1ed1 \u0111\u1ecbnh m\u00e0 thay \u0111\u1ed5i t\u00f9y thu\u1ed9c v\u00e0o l\u1ef1c c\u1eaft (shear force) ho\u1eb7c t\u1ed1c \u0111\u1ed9 c\u1eaft (shear rate). \u0110\u1ed9 nh\u1edbt c\u1ee7a ch\u1ea5t l\u1ecfng phi Newton kh\u00f4ng tu\u00e2n theo \u0111\u1ecbnh lu\u1eadt c\u1ee7a Isaac Newton, c\u00f3 th\u1ec3 vi\u1ebft d\u01b0\u1edbi d\u1ea1ng ph\u01b0\u01a1ng tr\u00ecnh:<\/p>\n<p>\\(\\tau = \\eta \\frac{du}{dy}\\)<\/p>\n<p>Trong \u0111\u00f3:<\/p>\n<ul>\n<li>\\(\\tau\\) l\u00e0 \u1ee9ng su\u1ea5t c\u1eaft<\/li>\n<li>\\(\\eta\\) l\u00e0 \u0111\u1ed9 nh\u1edbt<\/li>\n<li>\\(\\frac{du}{dy}\\) l\u00e0 t\u1ed1c \u0111\u1ed9 c\u1eaft<\/li>\n<\/ul>\n<p>\u0110\u1ed1i v\u1edbi ch\u1ea5t l\u1ecfng Newton, \\(\\eta\\) l\u00e0 h\u1eb1ng s\u1ed1, ngh\u0129a l\u00e0 kh\u00f4ng \u0111\u1ed5i v\u1edbi m\u1ecdi l\u1ef1c c\u1eaft. Nh\u01b0ng \u0111\u1ed1i v\u1edbi ch\u1ea5t l\u1ecfng phi Newton, \u0111\u1ed9 nh\u1edbt \\(\\eta\\) s\u1ebd thay \u0111\u1ed5i theo l\u1ef1c c\u1eaft.<\/p>\n<h2>C\u00e1c lo\u1ea1i ch\u1ea5t l\u1ecfng phi Newton<\/h2>\n<p>Ch\u1ea5t l\u1ecfng phi Newton \u0111\u01b0\u1ee3c ph\u00e2n lo\u1ea1i th\u00e0nh nhi\u1ec1u lo\u1ea1i d\u1ef1a tr\u00ean c\u00e1ch ch\u00fang ph\u1ea3n \u1ee9ng v\u1edbi l\u1ef1c c\u1eaft. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 lo\u1ea1i ph\u1ed5 bi\u1ebfn:<\/p>\n<ol>\n<li><strong>Ch\u1ea5t l\u1ecfng gi\u1ea3 d\u1ebbo (Pseudoplastic fluids):<\/strong> \u0110\u1ed9 nh\u1edbt c\u1ee7a ch\u00fang gi\u1ea3m khi t\u1ed1c \u0111\u1ed9 c\u1eaft t\u0103ng. M\u1ed9t v\u00ed d\u1ee5 \u0111i\u1ec3n h\u00ecnh l\u00e0 s\u01a1n.<\/li>\n<li><strong>Ch\u1ea5t l\u1ecfng d\u1ebbo Bingham (Bingham plastic fluids):<\/strong> Ch\u00fang \u1ee9ng x\u1eed nh\u01b0 ch\u1ea5t r\u1eafn khi kh\u00f4ng ch\u1ecbu \u0111\u1ee7 \u1ee9ng su\u1ea5t c\u1eaft, nh\u01b0ng s\u1ebd ch\u1ea3y nh\u01b0 ch\u1ea5t l\u1ecfng khi \u0111\u1ea1t \u0111\u1ebfn m\u1ed9t ng\u01b0\u1ee1ng \u1ee9ng su\u1ea5t c\u1eaft nh\u1ea5t \u0111\u1ecbnh. \u0110i\u1ec3n h\u00ecnh l\u00e0 kem \u0111\u00e1nh r\u0103ng.<\/li>\n<li><strong>Ch\u1ea5t l\u1ecfng gi\u00e3n n\u1edf (Dilantant fluids):<\/strong> \u0110\u1ed9 nh\u1edbt c\u1ee7a ch\u00fang t\u0103ng khi t\u1ed1c \u0111\u1ed9 c\u1eaft t\u0103ng. B\u1ed9t b\u1eafp ho\u00e0 n\u01b0\u1edbc l\u00e0 m\u1ed9t v\u00ed d\u1ee5 \u0111i\u1ec3n h\u00ecnh.<\/li>\n<li><strong>Ch\u1ea5t l\u1ecfng \u0111\u00e0n h\u1ed3i (Rheopectic fluids):<\/strong> H\u00e0nh vi c\u1ee7a ch\u00fang t\u01b0\u01a1ng t\u1ef1 nh\u01b0 ch\u1ea5t l\u1ecfng gi\u00e3n n\u1edf, nh\u01b0ng \u0111\u1ed9 nh\u1edbt c\u1ee7a ch\u00fang t\u0103ng theo th\u1eddi gian \u1ee9ng su\u1ea5t c\u1eaft \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng.<\/li>\n<li><strong>Ch\u1ea5t l\u1ecfng thixotropic:<\/strong> \u0110\u1ed9 nh\u1edbt gi\u1ea3m d\u1ea7n khi \u1ee9ng su\u1ea5t c\u1eaft k\u00e9o d\u00e0i. V\u00ed d\u1ee5 l\u00e0 gel ho\u1eb7c \u0111\u1ea5t s\u00e9t.<\/li>\n<\/ol>\n<h2>\u1ee8ng d\u1ee5ng c\u1ee7a ch\u1ea5t l\u1ecfng phi Newton<\/h2>\n<p>Ch\u1ea5t l\u1ecfng phi Newton c\u00f3 nhi\u1ec1u \u1ee9ng d\u1ee5ng trong \u0111\u1eddi s\u1ed1ng h\u00e0ng ng\u00e0y v\u00e0 trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p:<\/p>\n<ul>\n<li><strong>S\u01a1n v\u00e0 m\u1ef1c in:<\/strong> C\u00e1c lo\u1ea1i s\u01a1n th\u01b0\u1eddng l\u00e0 ch\u1ea5t l\u1ecfng gi\u1ea3 d\u1ebbo, gi\u00fap d\u1ec5 d\u00e0ng l\u0103n v\u00e0 b\u00e1m l\u00ean b\u1ec1 m\u1eb7t m\u00e0 kh\u00f4ng b\u1ecb ch\u1ea3y nh\u1ecf gi\u1ecdt.<\/li>\n<li><strong>Th\u1ef1c ph\u1ea9m:<\/strong> C\u00e1c lo\u1ea1i s\u1ed1t v\u00e0 kem th\u01b0\u1eddng l\u00e0 ch\u1ea5t l\u1ecfng d\u1ebbo Bingham, gi\u00fap d\u1ec5 d\u00e0ng b\u01a1m v\u00e0 gi\u1eef h\u00ecnh d\u1ea1ng tr\u00ean m\u00f3n \u0103n.<\/li>\n<li><strong>S\u1ea3n ph\u1ea9m ch\u0103m s\u00f3c c\u00e1 nh\u00e2n:<\/strong> Kem \u0111\u00e1nh r\u0103ng l\u00e0 ch\u1ea5t l\u1ecfng d\u1ebbo Bingham, gi\u00fap d\u1ec5 d\u00e0ng l\u1ea5y t\u1eeb tu\u00fdp m\u00e0 kh\u00f4ng b\u1ecb ch\u1ea3y t\u1ef1 do.<\/li>\n<li><strong>B\u1ea3o v\u1ec7 ch\u1ed1ng va \u0111\u1eadp:<\/strong> C\u00e1c ch\u1ea5t l\u1ecfng gi\u00e3n n\u1edf \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong thi\u1ebft b\u1ecb b\u1ea3o v\u1ec7 nh\u01b0 \u00e1o gi\u00e1p \u0111\u1ec3 h\u1ea5p th\u1ee5 v\u00e0 ph\u00e2n t\u00e1n n\u0103ng l\u01b0\u1ee3ng va ch\u1ea1m.<\/li>\n<\/ul>\n<h2>K\u1ebft lu\u1eadn<\/h2>\n<p>Ch\u1ea5t l\u1ecfng phi Newton l\u00e0 m\u1ed9t ph\u1ea7n quan tr\u1ecdng trong k\u1ef9 thu\u1eadt nhi\u1ec7t v\u00e0 c\u00e1c l\u0129nh v\u1ef1c k\u1ef9 thu\u1eadt kh\u00e1c. B\u1eb1ng c\u00e1ch hi\u1ec3u v\u00e0 \u1ee9ng d\u1ee5ng \u0111\u00fang, ch\u00fang ta c\u00f3 th\u1ec3 t\u1eadn d\u1ee5ng \u0111\u01b0\u1ee3c c\u00e1c t\u00ednh ch\u1ea5t \u0111\u1eb7c bi\u1ec7t c\u1ee7a ch\u00fang \u0111\u1ec3 c\u1ea3i thi\u1ec7n v\u00e0 ph\u00e1t tri\u1ec3n c\u00e1c s\u1ea3n ph\u1ea9m v\u00e0 c\u00f4ng ngh\u1ec7 m\u1edbi. \u0110i\u1ec1u n\u00e0y m\u1edf ra nhi\u1ec1u c\u01a1 h\u1ed9i nghi\u00ean c\u1ee9u v\u00e0 \u1ee9ng d\u1ee5ng trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p kh\u00e1c nhau.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ch\u1ea5t l\u1ecfng phi Newton: T\u00ecm hi\u1ec3u v\u1ec1 t\u00ednh ch\u1ea5t \u0111\u1ed9c \u0111\u00e1o v\u00e0 \u1ee9ng d\u1ee5ng trong k\u1ef9 thu\u1eadt nhi\u1ec7t, t\u1eeb d\u1ea7u nh\u1edbt \u0111\u1ebfn c\u00e1c s\u1ea3n ph\u1ea9m ti\u00eau d\u00f9ng 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>Hi\u1ec3u v\u1ec1 Ch\u1ea5t l\u1ecfng phi Newton<\/title>\n<meta name=\"description\" content=\"Ch\u1ea5t l\u1ecfng phi Newton: T\u00ecm hi\u1ec3u v\u1ec1 t\u00ednh ch\u1ea5t \u0111\u1ed9c \u0111\u00e1o v\u00e0 \u1ee9ng d\u1ee5ng trong k\u1ef9 thu\u1eadt nhi\u1ec7t, t\u1eeb d\u1ea7u nh\u1edbt \u0111\u1ebfn c\u00e1c s\u1ea3n ph\u1ea9m ti\u00eau d\u00f9ng h\u00e0ng ng\u00e0y.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.thermal-engineering.org\/vi\/hieu-ve-chat-long-phi-newton\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Hi\u1ec3u v\u1ec1 Ch\u1ea5t l\u1ecfng phi Newton\" \/>\n<meta property=\"og:description\" content=\"Ch\u1ea5t l\u1ecfng phi Newton: T\u00ecm hi\u1ec3u v\u1ec1 t\u00ednh ch\u1ea5t \u0111\u1ed9c \u0111\u00e1o v\u00e0 \u1ee9ng d\u1ee5ng trong k\u1ef9 thu\u1eadt nhi\u1ec7t, t\u1eeb d\u1ea7u nh\u1edbt \u0111\u1ebfn c\u00e1c s\u1ea3n ph\u1ea9m ti\u00eau d\u00f9ng h\u00e0ng ng\u00e0y.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.thermal-engineering.org\/vi\/hieu-ve-chat-long-phi-newton\/\" \/>\n<meta property=\"og:site_name\" content=\"Thermal Engineering\" \/>\n<meta property=\"article:published_time\" content=\"2024-11-25T13:46:45+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/hieu_ve_chat_long_phi_newton.png\" \/>\n<meta name=\"twitter:card\" content=\"summary\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\">\n\t<meta name=\"twitter:data1\" content=\"Nick Connor\">\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\">\n\t<meta name=\"twitter:data2\" content=\"4 minutes\">\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.thermal-engineering.org\/fr\/#website\",\"url\":\"https:\/\/www.thermal-engineering.org\/fr\/\",\"name\":\"Thermal Engineering\",\"description\":\"\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":\"https:\/\/www.thermal-engineering.org\/fr\/?s={search_term_string}\",\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"vi-VN\"},{\"@type\":\"ImageObject\",\"@id\":\"https:\/\/www.thermal-engineering.org\/vi\/hieu-ve-chat-long-phi-newton\/#primaryimage\",\"inLanguage\":\"vi-VN\",\"url\":\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/hieu_ve_chat_long_phi_newton.png\",\"width\":1000,\"height\":1000,\"caption\":\"Hi\\u1ec3u v\\u1ec1 Ch\\u1ea5t l\\u1ecfng phi Newton\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.thermal-engineering.org\/vi\/hieu-ve-chat-long-phi-newton\/#webpage\",\"url\":\"https:\/\/www.thermal-engineering.org\/vi\/hieu-ve-chat-long-phi-newton\/\",\"name\":\"Hi\\u1ec3u v\\u1ec1 Ch\\u1ea5t l\\u1ecfng phi Newton\",\"isPartOf\":{\"@id\":\"https:\/\/www.thermal-engineering.org\/fr\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.thermal-engineering.org\/vi\/hieu-ve-chat-long-phi-newton\/#primaryimage\"},\"datePublished\":\"2024-11-25T13:46:45+00:00\",\"dateModified\":\"2024-11-25T13:46:45+00:00\",\"author\":{\"@id\":\"https:\/\/www.thermal-engineering.org\/fr\/#\/schema\/person\/e8c544db9afedaec8574d6464f9398bb\"},\"description\":\"Ch\\u1ea5t l\\u1ecfng phi Newton: T\\u00ecm hi\\u1ec3u v\\u1ec1 t\\u00ednh ch\\u1ea5t \\u0111\\u1ed9c \\u0111\\u00e1o v\\u00e0 \\u1ee9ng d\\u1ee5ng trong k\\u1ef9 thu\\u1eadt nhi\\u1ec7t, t\\u1eeb d\\u1ea7u nh\\u1edbt \\u0111\\u1ebfn c\\u00e1c s\\u1ea3n ph\\u1ea9m ti\\u00eau d\\u00f9ng h\\u00e0ng ng\\u00e0y.\",\"inLanguage\":\"vi-VN\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.thermal-engineering.org\/vi\/hieu-ve-chat-long-phi-newton\/\"]}]},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.thermal-engineering.org\/fr\/#\/schema\/person\/e8c544db9afedaec8574d6464f9398bb\",\"name\":\"Nick Connor\",\"image\":{\"@type\":\"ImageObject\",\"@id\":\"https:\/\/www.thermal-engineering.org\/fr\/#personlogo\",\"inLanguage\":\"vi-VN\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/84c0dec310b44b65da29dc9df6925239?s=96&d=mm&r=g\",\"caption\":\"Nick Connor\"}}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","_links":{"self":[{"href":"https:\/\/www.thermal-engineering.org\/vi\/wp-json\/wp\/v2\/posts\/709914"}],"collection":[{"href":"https:\/\/www.thermal-engineering.org\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.thermal-engineering.org\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.thermal-engineering.org\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.thermal-engineering.org\/vi\/wp-json\/wp\/v2\/comments?post=709914"}],"version-history":[{"count":0,"href":"https:\/\/www.thermal-engineering.org\/vi\/wp-json\/wp\/v2\/posts\/709914\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.thermal-engineering.org\/vi\/wp-json\/wp\/v2\/media?parent=709914"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.thermal-engineering.org\/vi\/wp-json\/wp\/v2\/categories?post=709914"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.thermal-engineering.org\/vi\/wp-json\/wp\/v2\/tags?post=709914"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}