{"id":681227,"date":"2024-10-04T01:19:22","date_gmt":"2024-10-04T00:19:22","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=681227"},"modified":"2024-10-04T01:19:22","modified_gmt":"2024-10-04T00:19:22","slug":"6-phuong-phap-do-do-nhot-cua-chat-long","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/6-phuong-phap-do-do-nhot-cua-chat-long\/","title":{"rendered":"6 Ph\u01b0\u01a1ng Ph\u00e1p \u0110o \u0110\u1ed9 Nh\u1edbt C\u1ee7a Ch\u1ea5t L\u1ecfng"},"content":{"rendered":"

6 ph\u01b0\u01a1ng ph\u00e1p \u0111o \u0111\u1ed9 nh\u1edbt c\u1ee7a ch\u1ea5t l\u1ecfng trong ng\u00e0nh nhi\u1ec7t k\u1ef9. H\u01b0\u1edbng d\u1eabn chi ti\u1ebft v\u00e0 d\u1ec5 hi\u1ec3u gi\u00fap b\u1ea1n n\u1eafm b\u1eaft c\u00e1c k\u1ef9 thu\u1eadt \u0111o l\u01b0\u1eddng ch\u00ednh x\u00e1c.<\/p>\n

\"6<\/p>\n

6 Ph\u01b0\u01a1ng Ph\u00e1p \u0110o \u0110\u1ed9 Nh\u1edbt C\u1ee7a Ch\u1ea5t L\u1ecfng<\/h2>\n

\u0110\u1ed9 nh\u1edbt l\u00e0 m\u1ed9t \u0111\u1eb7c t\u00ednh quan tr\u1ecdng c\u1ee7a ch\u1ea5t l\u1ecfng, cho ph\u00e9p ch\u00fang ta hi\u1ec3u v\u1ec1 kh\u1ea3 n\u0103ng kh\u00e1ng l\u1ea1i s\u1ef1 ch\u1ea3y c\u1ee7a ch\u1ea5t l\u1ecfng \u0111\u00f3. C\u00f3 nhi\u1ec1u ph\u01b0\u01a1ng ph\u00e1p \u0111\u1ec3 \u0111o \u0111\u1ed9 nh\u1edbt, v\u00e0 d\u01b0\u1edbi \u0111\u00e2y l\u00e0 s\u00e1u ph\u01b0\u01a1ng ph\u00e1p ph\u1ed5 bi\u1ebfn nh\u1ea5t.<\/p>\n

1. Ph\u01b0\u01a1ng Ph\u00e1p Brookfield (Brookfield Method)<\/h2>\n

Ph\u01b0\u01a1ng ph\u00e1p Brookfield s\u1eed d\u1ee5ng m\u1ed9t thi\u1ebft b\u1ecb g\u1ecdi l\u00e0 Brookfield viscometer, trong \u0111\u00f3 m\u1ed9t c\u00e1nh qu\u1ea1t quay trong ch\u1ea5t l\u1ecfng c\u1ea7n \u0111o. \u0110\u1ed9 nh\u1edbt \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh b\u1eb1ng c\u00e1ch \u0111o m\u00f4-men xo\u1eafn c\u1ea7n thi\u1ebft \u0111\u1ec3 quay c\u00e1nh qu\u1ea1t \u1edf m\u1ed9t t\u1ed1c \u0111\u1ed9 c\u1ed1 \u0111\u1ecbnh.<\/p>\n

    \n
  1. C\u00e1nh qu\u1ea1t quay trong ch\u1ea5t l\u1ecfng.<\/li>\n
  2. M\u00f4-men xo\u1eafn t\u1ef7 l\u1ec7 v\u1edbi \u0111\u1ed9 nh\u1edbt c\u1ee7a ch\u1ea5t l\u1ecfng.<\/li>\n<\/ol>\n

    2. Ph\u01b0\u01a1ng Ph\u00e1p Capillary (Capillary Method)<\/h2>\n

    Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y \u0111o t\u1ed1c \u0111\u1ed9 ch\u1ea3y c\u1ee7a ch\u1ea5t l\u1ecfng qua m\u1ed9t \u1ed1ng mao d\u1eabn nh\u1ecf. \u0110\u1ed9 nh\u1edbt \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n d\u1ef1a tr\u00ean th\u1eddi gian c\u1ea7n thi\u1ebft \u0111\u1ec3 ch\u1ea5t l\u1ecfng ch\u1ea3y qua \u1ed1ng v\u1edbi m\u1ed9t th\u1ec3 t\u00edch x\u00e1c \u0111\u1ecbnh.<\/p>\n

      \n
    • Ch\u1ea5t l\u1ecfng ch\u1ea3y qua \u1ed1ng mao d\u1eabn.<\/li>\n
    • Th\u1eddi gian ch\u1ea3y t\u1ef7 l\u1ec7 thu\u1eadn v\u1edbi \u0111\u1ed9 nh\u1edbt.<\/li>\n<\/ul>\n

      3. Ph\u01b0\u01a1ng Ph\u00e1p Falling Sphere (Falling Sphere Method)<\/h2>\n

      Trong ph\u01b0\u01a1ng ph\u00e1p n\u00e0y, m\u1ed9t qu\u1ea3 c\u1ea7u nh\u1ecf \u0111\u01b0\u1ee3c th\u1ea3 v\u00e0o trong ch\u1ea5t l\u1ecfng v\u00e0 t\u1ed1c \u0111\u1ed9 r\u01a1i c\u1ee7a n\u00f3 \u0111\u01b0\u1ee3c \u0111o. \u0110\u1ed9 nh\u1edbt \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n t\u1eeb v\u1eadn t\u1ed1c r\u01a1i c\u1ee7a qu\u1ea3 c\u1ea7u.<\/p>\n

        \n
      1. Qu\u1ea3 c\u1ea7u r\u01a1i trong ch\u1ea5t l\u1ecfng.<\/li>\n
      2. T\u1ed1c \u0111\u1ed9 r\u01a1i t\u1ef7 l\u1ec7 ngh\u1ecbch v\u1edbi \u0111\u1ed9 nh\u1edbt.<\/li>\n<\/ol>\n

        4. Ph\u01b0\u01a1ng Ph\u00e1p Rotational (Rotational Method)<\/h2>\n

        Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y s\u1eed d\u1ee5ng m\u1ed9t rotor quay trong ch\u1ea5t l\u1ecfng v\u00e0 \u0111o l\u1ef1c c\u1ea7n thi\u1ebft \u0111\u1ec3 duy tr\u00ec t\u1ed1c \u0111\u1ed9 quay c\u1ed1 \u0111\u1ecbnh. \u0110\u00e2y l\u00e0 m\u1ed9t trong nh\u1eefng ph\u01b0\u01a1ng ph\u00e1p ph\u1ed5 bi\u1ebfn trong c\u00e1c \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p.<\/p>\n

          \n
        • Rotor quay trong ch\u1ea5t l\u1ecfng.<\/li>\n
        • L\u1ef1c c\u1ea7n thi\u1ebft t\u1ef7 l\u1ec7 v\u1edbi \u0111\u1ed9 nh\u1edbt.<\/li>\n<\/ul>\n

          5. Ph\u01b0\u01a1ng Ph\u00e1p Vibrational (Vibrational Method)<\/h2>\n

          Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y \u0111o \u0111\u1ed9 nh\u1edbt b\u1eb1ng c\u00e1ch \u0111\u1eb7t m\u1ed9t b\u1ed9 ph\u1eadn rung trong ch\u1ea5t l\u1ecfng v\u00e0 \u0111o dao \u0111\u1ed9ng c\u1ee7a n\u00f3. \u0110\u1ed9 nh\u1edbt c\u1ee7a ch\u1ea5t l\u1ecfng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn t\u1ea7n s\u1ed1 v\u00e0 bi\u00ean \u0111\u1ed9 c\u1ee7a dao \u0111\u1ed9ng.<\/p>\n

            \n
          1. B\u1ed9 ph\u1eadn rung trong ch\u1ea5t l\u1ecfng.<\/li>\n
          2. T\u1ea7n s\u1ed1 v\u00e0 bi\u00ean \u0111\u1ed9 dao \u0111\u1ed9ng t\u00e1c \u0111\u1ed9ng b\u1edfi \u0111\u1ed9 nh\u1edbt.<\/li>\n<\/ol>\n

            6. Ph\u01b0\u01a1ng Ph\u00e1p Ultrasonic (Ultrasonic Method)<\/h2>\n

            Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y s\u1eed d\u1ee5ng s\u00f3ng si\u00eau \u00e2m \u0111\u1ec3 \u0111o \u0111\u1ed9 nh\u1edbt. S\u00f3ng si\u00eau \u00e2m \u0111\u01b0\u1ee3c truy\u1ec1n qua ch\u1ea5t l\u1ecfng v\u00e0 \u0111\u1ed9 nh\u1edbt \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh t\u1eeb s\u1ef1 thay \u0111\u1ed5i t\u1ea7n s\u1ed1 v\u00e0 pha c\u1ee7a s\u00f3ng si\u00eau \u00e2m.<\/p>\n

              \n
            • S\u00f3ng si\u00eau \u00e2m truy\u1ec1n qua ch\u1ea5t l\u1ecfng.<\/li>\n
            • Thay \u0111\u1ed5i t\u1ea7n s\u1ed1 v\u00e0 pha s\u00f3ng x\u00e1c \u0111\u1ecbnh \u0111\u1ed9 nh\u1edbt.<\/li>\n<\/ul>\n

              Nh\u1eefng ph\u01b0\u01a1ng ph\u00e1p tr\u00ean \u0111\u1ec1u c\u00f3 \u01b0u nh\u01b0\u1ee3c \u0111i\u1ec3m ri\u00eang v\u00e0 \u0111\u01b0\u1ee3c l\u1ef1a ch\u1ecdn d\u1ef1a tr\u00ean lo\u1ea1i ch\u1ea5t l\u1ecfng v\u00e0 \u0111i\u1ec1u ki\u1ec7n \u0111o. Hi\u1ec3u bi\u1ebft v\u1ec1 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p n\u00e0y gi\u00fap ch\u00fang ta c\u00f3 \u0111\u01b0\u1ee3c s\u1ef1 l\u1ef1a ch\u1ecdn th\u00edch h\u1ee3p cho t\u1eebng \u1ee9ng d\u1ee5ng c\u1ee5 th\u1ec3.<\/p>\n","protected":false},"excerpt":{"rendered":"

              6 ph\u01b0\u01a1ng ph\u00e1p \u0111o \u0111\u1ed9 nh\u1edbt c\u1ee7a ch\u1ea5t l\u1ecfng trong ng\u00e0nh nhi\u1ec7t k\u1ef9. H\u01b0\u1edbng d\u1eabn chi ti\u1ebft v\u00e0 d\u1ec5 hi\u1ec3u gi\u00fap b\u1ea1n n\u1eafm b\u1eaft c\u00e1c k\u1ef9 thu\u1eadt \u0111o l\u01b0\u1eddng ch\u00ednh x\u00e1c.<\/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":"\n6 Ph\u01b0\u01a1ng Ph\u00e1p \u0110o \u0110\u1ed9 Nh\u1edbt C\u1ee7a Ch\u1ea5t L\u1ecfng<\/title>\n<meta name=\"description\" content=\"6 ph\u01b0\u01a1ng ph\u00e1p \u0111o \u0111\u1ed9 nh\u1edbt c\u1ee7a ch\u1ea5t l\u1ecfng trong ng\u00e0nh nhi\u1ec7t k\u1ef9. H\u01b0\u1edbng d\u1eabn chi ti\u1ebft v\u00e0 d\u1ec5 hi\u1ec3u gi\u00fap b\u1ea1n n\u1eafm b\u1eaft c\u00e1c k\u1ef9 thu\u1eadt \u0111o l\u01b0\u1eddng ch\u00ednh x\u00e1c.\" \/>\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\/6-phuong-phap-do-do-nhot-cua-chat-long\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"6 Ph\u01b0\u01a1ng Ph\u00e1p \u0110o \u0110\u1ed9 Nh\u1edbt C\u1ee7a Ch\u1ea5t L\u1ecfng\" \/>\n<meta property=\"og:description\" content=\"6 ph\u01b0\u01a1ng ph\u00e1p \u0111o \u0111\u1ed9 nh\u1edbt c\u1ee7a ch\u1ea5t l\u1ecfng trong ng\u00e0nh nhi\u1ec7t k\u1ef9. H\u01b0\u1edbng d\u1eabn chi ti\u1ebft v\u00e0 d\u1ec5 hi\u1ec3u gi\u00fap b\u1ea1n n\u1eafm b\u1eaft c\u00e1c k\u1ef9 thu\u1eadt \u0111o l\u01b0\u1eddng ch\u00ednh x\u00e1c.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.thermal-engineering.org\/vi\/6-phuong-phap-do-do-nhot-cua-chat-long\/\" \/>\n<meta property=\"og:site_name\" content=\"Thermal Engineering\" \/>\n<meta property=\"article:published_time\" content=\"2024-10-04T00:19:22+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/6_phuong_phap_do_do_nhot_cua_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\/6-phuong-phap-do-do-nhot-cua-chat-long\/#primaryimage\",\"inLanguage\":\"vi-VN\",\"url\":\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/6_phuong_phap_do_do_nhot_cua_chat_long.png\",\"width\":1000,\"height\":1000,\"caption\":\"6 Ph\\u01b0\\u01a1ng Ph\\u00e1p \\u0110o \\u0110\\u1ed9 Nh\\u1edbt C\\u1ee7a Ch\\u1ea5t L\\u1ecfng\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.thermal-engineering.org\/vi\/6-phuong-phap-do-do-nhot-cua-chat-long\/#webpage\",\"url\":\"https:\/\/www.thermal-engineering.org\/vi\/6-phuong-phap-do-do-nhot-cua-chat-long\/\",\"name\":\"6 Ph\\u01b0\\u01a1ng Ph\\u00e1p \\u0110o \\u0110\\u1ed9 Nh\\u1edbt C\\u1ee7a Ch\\u1ea5t L\\u1ecfng\",\"isPartOf\":{\"@id\":\"https:\/\/www.thermal-engineering.org\/fr\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.thermal-engineering.org\/vi\/6-phuong-phap-do-do-nhot-cua-chat-long\/#primaryimage\"},\"datePublished\":\"2024-10-04T00:19:22+00:00\",\"dateModified\":\"2024-10-04T00:19:22+00:00\",\"author\":{\"@id\":\"https:\/\/www.thermal-engineering.org\/fr\/#\/schema\/person\/e8c544db9afedaec8574d6464f9398bb\"},\"description\":\"6 ph\\u01b0\\u01a1ng ph\\u00e1p \\u0111o \\u0111\\u1ed9 nh\\u1edbt c\\u1ee7a ch\\u1ea5t l\\u1ecfng trong ng\\u00e0nh nhi\\u1ec7t k\\u1ef9. 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