{"id":708999,"date":"2024-11-13T06:14:19","date_gmt":"2024-11-13T05:14:19","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=708999"},"modified":"2024-11-13T06:14:19","modified_gmt":"2024-11-13T05:14:19","slug":"hieu-ve-suc-cang-be-mat-trong-chat-long","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/hieu-ve-suc-cang-be-mat-trong-chat-long\/","title":{"rendered":"Hi\u1ec3u V\u1ec1 S\u1ee9c C\u0103ng B\u1ec1 M\u1eb7t Trong Ch\u1ea5t L\u1ecfng"},"content":{"rendered":"<p class=\"sidekick\">Hi\u1ec3u V\u1ec1 S\u1ee9c C\u0103ng B\u1ec1 M\u1eb7t Trong Ch\u1ea5t L\u1ecfng: kh\u00e1m ph\u00e1 nguy\u00ean l\u00fd c\u01a1 b\u1ea3n, \u1ee9ng d\u1ee5ng th\u1ef1c ti\u1ec5n, v\u00e0 c\u00e1ch th\u1ee9c s\u1ee9c c\u0103ng b\u1ec1 m\u1eb7t \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ch\u1ea5t l\u1ecfng trong \u0111\u1eddi s\u1ed1ng.<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/hieu_ve_suc_cang_be_mat_trong_chat_long.png\" alt=\"Hi\u1ec3u V\u1ec1 S\u1ee9c C\u0103ng B\u1ec1 M\u1eb7t Trong Ch\u1ea5t L\u1ecfng\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>Hi\u1ec3u V\u1ec1 S\u1ee9c C\u0103ng B\u1ec1 M\u1eb7t Trong Ch\u1ea5t L\u1ecfng<\/h2>\n<p>S\u1ee9c c\u0103ng b\u1ec1 m\u1eb7t l\u00e0 hi\u1ec7n t\u01b0\u1ee3ng m\u00e0 ta th\u1ea5y r\u00f5 nh\u1ea5t qua gi\u1ecdt n\u01b0\u1edbc, bong b\u00f3ng x\u00e0 ph\u00f2ng, hay th\u1eadm ch\u00ed l\u00e0 trong c\u00e1c nguy\u00ean l\u00fd ch\u1ebf t\u1ea1o c\u01a1 b\u1ea3n. V\u1eady s\u1ee9c c\u0103ng b\u1ec1 m\u1eb7t th\u1ef1c s\u1ef1 l\u00e0 g\u00ec v\u00e0 t\u1ea1i sao n\u00f3 quan tr\u1ecdng trong ng\u00e0nh k\u1ef9 thu\u1eadt nhi\u1ec7t?<\/p>\n<h2>S\u1ee9c C\u0103ng B\u1ec1 M\u1eb7t L\u00e0 G\u00ec?<\/h2>\n<p>S\u1ee9c c\u0103ng b\u1ec1 m\u1eb7t (surface tension) l\u00e0 m\u1ed9t hi\u1ec7n t\u01b0\u1ee3ng v\u1eadt l\u00fd x\u1ea3y ra t\u1ea1i b\u1ec1 m\u1eb7t c\u1ee7a ch\u1ea5t l\u1ecfng, th\u01b0\u1eddng l\u00e0 do l\u1ef1c h\u1ea5p d\u1eabn gi\u1eefa c\u00e1c ph\u00e2n t\u1eed c\u1ee7a ch\u1ea5t l\u1ecfng. M\u1ed9t c\u00e1ch d\u1ec5 hi\u1ec3u, l\u1ef1c h\u00fat gi\u1eefa c\u00e1c ph\u00e2n t\u1eed n\u00e0y t\u1ea1o n\u00ean m\u1ed9t &#8220;m\u00e0ng&#8221; m\u1ecfng tr\u00ean b\u1ec1 m\u1eb7t c\u1ee7a ch\u1ea5t l\u1ecfng, l\u00e0m cho n\u00f3 c\u00f3 xu h\u01b0\u1edbng co l\u1ea1i nh\u1ecf nh\u1ea5t c\u00f3 th\u1ec3.<\/p>\n<ul>\n<li>V\u00ed d\u1ee5, l\u1ef1c h\u00fat gi\u1eefa c\u00e1c ph\u00e2n t\u1eed n\u01b0\u1edbc v\u00e0 bong b\u00f3ng x\u00e0 ph\u00f2ng t\u1ea1o ra s\u1ee9c c\u0103ng, gi\u1eef cho bong b\u00f3ng kh\u00f4ng b\u1ecb v\u1ee1 ngay l\u1eadp t\u1ee9c.<\/li>\n<li>\u1ede b\u1ec1 m\u1eb7t ch\u1ea5t l\u1ecfng, c\u00e1c ph\u00e2n t\u1eed n\u00e0y kh\u00f4ng \u0111\u01b0\u1ee3c bao quanh b\u1edfi c\u00e1c ph\u00e2n t\u1eed kh\u00e1c gi\u1ed1ng nh\u01b0 c\u00e1c ph\u00e2n t\u1eed b\u00ean trong l\u00f2ng ch\u1ea5t l\u1ecfng. \u0110i\u1ec1u n\u00e0y t\u1ea1o ra m\u1ed9t l\u1ef1c co k\u00e9o c\u00e1c ph\u00e2n t\u1eed tr\u00ean b\u1ec1 m\u1eb7t l\u1ea1i v\u1edbi nhau.<\/li>\n<\/ul>\n<h2>C\u00f4ng Th\u1ee9c T\u00ednh S\u1ee9c C\u0103ng B\u1ec1 M\u1eb7t<\/h2>\n<p>S\u1ee9c c\u0103ng b\u1ec1 m\u1eb7t th\u01b0\u1eddng \u0111\u01b0\u1ee3c k\u00ed hi\u1ec7u l\u00e0 <i>\u03b3<\/i> v\u00e0 c\u00f3 \u0111\u01a1n v\u1ecb l\u00e0 N\/m (Niut\u01a1n tr\u00ean m\u00e9t). C\u00f4ng th\u1ee9c t\u1ed5ng qu\u00e1t c\u1ee7a s\u1ee9c c\u0103ng b\u1ec1 m\u1eb7t c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c bi\u1ec3u di\u1ec5n nh\u01b0 sau:<\/p>\n<p>\\[<br \/>\n\\gamma = \\frac{F}{L}<br \/>\n\\]\n<p>Trong \u0111\u00f3:<\/p>\n<ul>\n<li>\u03b3: S\u1ee9c c\u0103ng b\u1ec1 m\u1eb7t (N\/m).<\/li>\n<li>F: L\u1ef1c t\u00e1c \u0111\u1ed9ng (N).<\/li>\n<li>L: Chi\u1ec1u d\u00e0i c\u1ee7a b\u1ec1 m\u1eb7t m\u00e0 l\u1ef1c \u0111\u00f3 t\u00e1c \u0111\u1ed9ng (m).<\/li>\n<\/ul>\n<h2>\u1ee8ng D\u1ee5ng C\u1ee7a S\u1ee9c C\u0103ng B\u1ec1 M\u1eb7t Trong K\u1ef9 Thu\u1eadt Nhi\u1ec7t<\/h2>\n<p>S\u1ee9c c\u0103ng b\u1ec1 m\u1eb7t c\u00f3 nhi\u1ec1u \u1ee9ng d\u1ee5ng trong k\u1ef9 thu\u1eadt nhi\u1ec7t, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong c\u00e1c l\u0129nh v\u1ef1c nh\u01b0:<\/p>\n<ol>\n<li><strong>Trao \u0111\u1ed5i nhi\u1ec7t:<\/strong> S\u1ee9c c\u0103ng b\u1ec1 m\u1eb7t \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn qu\u00e1 tr\u00ecnh s\u00f4i v\u00e0 ng\u01b0ng t\u1ee5 c\u1ee7a ch\u1ea5t l\u1ecfng, t\u1eeb \u0111\u00f3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u su\u1ea5t c\u1ee7a c\u00e1c thi\u1ebft b\u1ecb trao \u0111\u1ed5i nhi\u1ec7t nh\u01b0 t\u1ea3n nhi\u1ec7t, n\u1ed3i h\u01a1i, v\u00e0 thi\u1ebft b\u1ecb l\u00e0m l\u1ea1nh.<\/li>\n<li><strong>S\u01a1n v\u00e0 ph\u1ee7 b\u1ec1 m\u1eb7t:<\/strong> Trong ng\u00e0nh c\u00f4ng nghi\u1ec7p s\u01a1n, hi\u1ec3u bi\u1ebft v\u1ec1 s\u1ee9c c\u0103ng b\u1ec1 m\u1eb7t gi\u00fap ki\u1ec3m so\u00e1t c\u00e1ch m\u00e0 s\u01a1n ho\u1eb7c l\u1edbp ph\u1ee7 ph\u00e2n b\u1ed1 tr\u00ean b\u1ec1 m\u1eb7t v\u1eadt li\u1ec7u, \u0111\u1ea3m b\u1ea3o t\u00ednh th\u1ea9m m\u1ef9 v\u00e0 \u0111\u1ed9 b\u1ea3o v\u1ec7.<\/li>\n<li><strong>\u0110\u1ed9ng c\u01a1 v\u00e0 d\u1ea7u nh\u1edbt:<\/strong> S\u1ee9c c\u0103ng b\u1ec1 m\u1eb7t \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn kh\u1ea3 n\u0103ng b\u00f4i tr\u01a1n v\u00e0 l\u00e0m m\u00e1t c\u1ee7a d\u1ea7u nh\u1edbt, t\u1eeb \u0111\u00f3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u su\u1ea5t v\u00e0 tu\u1ed5i th\u1ecd c\u1ee7a \u0111\u1ed9ng c\u01a1.<\/li>\n<\/ol>\n<h2>K\u1ebft Lu\u1eadn<\/h2>\n<p>Hi\u1ec3u v\u1ec1 s\u1ee9c c\u0103ng b\u1ec1 m\u1eb7t l\u00e0 m\u1ed9t ph\u1ea7n thi\u1ebft y\u1ebfu trong ng\u00e0nh k\u1ef9 thu\u1eadt nhi\u1ec7t. N\u00f3 kh\u00f4ng ch\u1ec9 gi\u1ea3i th\u00edch m\u1ed9t s\u1ed1 hi\u1ec7n t\u01b0\u1ee3ng t\u1ef1 nhi\u00ean m\u00e0 c\u00f2n c\u00f3 \u1ee9ng d\u1ee5ng r\u1ed9ng r\u00e3i trong nhi\u1ec1u l\u0129nh v\u1ef1c k\u1ef9 thu\u1eadt. T\u1eeb c\u00e1c thi\u1ebft b\u1ecb trao \u0111\u1ed5i nhi\u1ec7t \u0111\u1ebfn c\u00f4ng nghi\u1ec7p s\u01a1n v\u00e0 \u0111\u1ed9ng c\u01a1, s\u1ee9c c\u0103ng b\u1ec1 m\u1eb7t \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t v\u00e0 hi\u1ec7u qu\u1ea3 c\u1ee7a c\u00e1c h\u1ec7 th\u1ed1ng k\u1ef9 thu\u1eadt.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Hi\u1ec3u V\u1ec1 S\u1ee9c C\u0103ng B\u1ec1 M\u1eb7t Trong Ch\u1ea5t L\u1ecfng: kh\u00e1m ph\u00e1 nguy\u00ean l\u00fd c\u01a1 b\u1ea3n, \u1ee9ng d\u1ee5ng th\u1ef1c ti\u1ec5n, v\u00e0 c\u00e1ch th\u1ee9c s\u1ee9c c\u0103ng b\u1ec1 m\u1eb7t \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ch\u1ea5t l\u1ecfng trong \u0111\u1eddi s\u1ed1ng.<\/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 S\u1ee9c C\u0103ng B\u1ec1 M\u1eb7t Trong Ch\u1ea5t L\u1ecfng<\/title>\n<meta name=\"description\" content=\"Hi\u1ec3u V\u1ec1 S\u1ee9c C\u0103ng B\u1ec1 M\u1eb7t Trong Ch\u1ea5t L\u1ecfng: kh\u00e1m ph\u00e1 nguy\u00ean l\u00fd c\u01a1 b\u1ea3n, \u1ee9ng d\u1ee5ng th\u1ef1c ti\u1ec5n, v\u00e0 c\u00e1ch th\u1ee9c s\u1ee9c c\u0103ng b\u1ec1 m\u1eb7t \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ch\u1ea5t l\u1ecfng trong \u0111\u1eddi s\u1ed1ng.\" \/>\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-suc-cang-be-mat-trong-chat-long\/\" \/>\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 S\u1ee9c C\u0103ng B\u1ec1 M\u1eb7t Trong Ch\u1ea5t L\u1ecfng\" \/>\n<meta property=\"og:description\" content=\"Hi\u1ec3u V\u1ec1 S\u1ee9c C\u0103ng B\u1ec1 M\u1eb7t Trong Ch\u1ea5t L\u1ecfng: kh\u00e1m ph\u00e1 nguy\u00ean l\u00fd c\u01a1 b\u1ea3n, \u1ee9ng d\u1ee5ng th\u1ef1c ti\u1ec5n, v\u00e0 c\u00e1ch th\u1ee9c s\u1ee9c c\u0103ng b\u1ec1 m\u1eb7t \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ch\u1ea5t l\u1ecfng trong \u0111\u1eddi s\u1ed1ng.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.thermal-engineering.org\/vi\/hieu-ve-suc-cang-be-mat-trong-chat-long\/\" \/>\n<meta property=\"og:site_name\" content=\"Thermal Engineering\" \/>\n<meta property=\"article:published_time\" content=\"2024-11-13T05:14:19+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/hieu_ve_suc_cang_be_mat_trong_chat_long.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=\"3 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-suc-cang-be-mat-trong-chat-long\/#primaryimage\",\"inLanguage\":\"vi-VN\",\"url\":\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/hieu_ve_suc_cang_be_mat_trong_chat_long.png\",\"width\":1000,\"height\":1000,\"caption\":\"Hi\\u1ec3u V\\u1ec1 S\\u1ee9c C\\u0103ng B\\u1ec1 M\\u1eb7t Trong Ch\\u1ea5t L\\u1ecfng\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.thermal-engineering.org\/vi\/hieu-ve-suc-cang-be-mat-trong-chat-long\/#webpage\",\"url\":\"https:\/\/www.thermal-engineering.org\/vi\/hieu-ve-suc-cang-be-mat-trong-chat-long\/\",\"name\":\"Hi\\u1ec3u V\\u1ec1 S\\u1ee9c C\\u0103ng B\\u1ec1 M\\u1eb7t Trong Ch\\u1ea5t L\\u1ecfng\",\"isPartOf\":{\"@id\":\"https:\/\/www.thermal-engineering.org\/fr\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.thermal-engineering.org\/vi\/hieu-ve-suc-cang-be-mat-trong-chat-long\/#primaryimage\"},\"datePublished\":\"2024-11-13T05:14:19+00:00\",\"dateModified\":\"2024-11-13T05:14:19+00:00\",\"author\":{\"@id\":\"https:\/\/www.thermal-engineering.org\/fr\/#\/schema\/person\/e8c544db9afedaec8574d6464f9398bb\"},\"description\":\"Hi\\u1ec3u V\\u1ec1 S\\u1ee9c C\\u0103ng B\\u1ec1 M\\u1eb7t Trong Ch\\u1ea5t L\\u1ecfng: kh\\u00e1m ph\\u00e1 nguy\\u00ean l\\u00fd c\\u01a1 b\\u1ea3n, \\u1ee9ng d\\u1ee5ng th\\u1ef1c ti\\u1ec5n, v\\u00e0 c\\u00e1ch th\\u1ee9c s\\u1ee9c c\\u0103ng b\\u1ec1 m\\u1eb7t \\u1ea3nh h\\u01b0\\u1edfng \\u0111\\u1ebfn ch\\u1ea5t l\\u1ecfng trong \\u0111\\u1eddi s\\u1ed1ng.\",\"inLanguage\":\"vi-VN\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.thermal-engineering.org\/vi\/hieu-ve-suc-cang-be-mat-trong-chat-long\/\"]}]},{\"@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\/708999"}],"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=708999"}],"version-history":[{"count":0,"href":"https:\/\/www.thermal-engineering.org\/vi\/wp-json\/wp\/v2\/posts\/708999\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.thermal-engineering.org\/vi\/wp-json\/wp\/v2\/media?parent=708999"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.thermal-engineering.org\/vi\/wp-json\/wp\/v2\/categories?post=708999"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.thermal-engineering.org\/vi\/wp-json\/wp\/v2\/tags?post=708999"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}