{"id":708648,"date":"2024-08-04T21:01:54","date_gmt":"2024-08-04T20:01:54","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=708648"},"modified":"2024-08-04T21:01:54","modified_gmt":"2024-08-04T20:01:54","slug":"hieu-ve-su-noi-trong-chat-long","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/hieu-ve-su-noi-trong-chat-long\/","title":{"rendered":"Hi\u1ec3u v\u1ec1 S\u1ef1 N\u1ed5i trong Ch\u1ea5t L\u1ecfng"},"content":{"rendered":"

Hi\u1ec3u v\u1ec1 S\u1ef1 N\u1ed5i trong Ch\u1ea5t L\u1ecfng: Gi\u1ea3i th\u00edch kh\u00e1i ni\u1ec7m s\u1ef1 n\u1ed5i, nguy\u00ean l\u00fd Archimedes, v\u00e0 c\u00e1ch ch\u00fang \u1ee9ng d\u1ee5ng trong th\u1ef1c ti\u1ec5n thermal engineering.<\/p>\n

\"Hi\u1ec3u<\/p>\n

Hi\u1ec3u v\u1ec1 S\u1ef1 N\u1ed5i trong Ch\u1ea5t L\u1ecfng<\/h2>\n

S\u1ef1 n\u1ed5i l\u00e0 m\u1ed9t hi\u1ec7n t\u01b0\u1ee3ng quan tr\u1ecdng trong ng\u00e0nh k\u1ef9 thu\u1eadt nhi\u1ec7t v\u00e0 c\u00e1c l\u0129nh v\u1ef1c li\u00ean quan kh\u00e1c, bao g\u1ed3m c\u01a1 h\u1ecdc ch\u1ea5t l\u1ecfng, h\u1ea3i d\u01b0\u01a1ng h\u1ecdc v\u00e0 ng\u00e0nh h\u00e0ng kh\u00f4ng. Hi\u1ec7n t\u01b0\u1ee3ng n\u00e0y gi\u00fap gi\u1ea3i th\u00edch t\u1ea1i sao m\u1ed9t v\u1eadt c\u00f3 th\u1ec3 ch\u00ecm ho\u1eb7c n\u1ed5i trong ch\u1ea5t l\u1ecfng, ch\u1eb3ng h\u1ea1n nh\u01b0 n\u01b0\u1edbc ho\u1eb7c d\u1ea7u.<\/p>\n

S\u1ef1 N\u1ed5i l\u00e0 g\u00ec?<\/h2>\n

S\u1ef1 n\u1ed5i xu\u1ea5t hi\u1ec7n khi l\u1ef1c \u0111\u1ea9y t\u1eeb ch\u1ea5t l\u1ecfng l\u00ean v\u1eadt th\u1ec3 \u0111\u1ee7 m\u1ea1nh \u0111\u1ec3 \u0111\u1ea9y v\u1eadt th\u1ec3 \u0111\u00f3 n\u1ed5i l\u00ean, ch\u1ed1ng l\u1ea1i tr\u1ecdng l\u01b0\u1ee3ng c\u1ee7a n\u00f3. Nguy\u00ean l\u00fd n\u00e0y \u0111\u01b0\u1ee3c mi\u00eau t\u1ea3 b\u1edfi nguy\u00ean l\u00fd Archimedes, \u0111\u01b0\u1ee3c hi\u1ec3u nh\u01b0 sau:<\/p>\n

“B\u1ea5t k\u1ef3 v\u1eadt th\u1ec3 n\u00e0o ch\u00ecm trong ch\u1ea5t l\u1ecfng \u0111\u1ec1u b\u1ecb \u0111\u1ea9y l\u00ean b\u1edfi m\u1ed9t l\u1ef1c b\u1eb1ng tr\u1ecdng l\u01b0\u1ee3ng c\u1ee7a ch\u1ea5t l\u1ecfng b\u1ecb chi\u1ebfm ch\u1ed7.” <\/strong><\/p>\n

Nguy\u00ean L\u00fd Archimedes<\/h2>\n

Nguy\u00ean l\u00fd n\u00e0y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c bi\u1ec3u di\u1ec5n b\u1eb1ng c\u00f4ng th\u1ee9c:<\/p>\n

\\( F_b = \\rho_l \\cdot V_d \\cdot g \\)<\/p>\n

\u1ede \u0111\u00e2y:<\/p>\n

<\/p>\n

  • \\( F_b \\) l\u00e0 l\u1ef1c \u0111\u1ea9y<\/li>\n
  • \\( \\rho_l \\) l\u00e0 m\u1eadt \u0111\u1ed9 c\u1ee7a ch\u1ea5t l\u1ecfng<\/li>\n
  • \\( V_d \\) l\u00e0 th\u1ec3 t\u00edch c\u1ee7a ch\u1ea5t l\u1ecfng b\u1ecb chi\u1ebfm ch\u1ed7<\/li>\n
  • \\( g \\) l\u00e0 gia t\u1ed1c tr\u1ecdng tr\u01b0\u1eddng (kho\u1ea3ng 9.81 m\/s2<\/sup>)<\/li>\n

    <\/u1><\/p>\n

    \u1ee8ng D\u1ee5ng c\u1ee7a S\u1ef1 N\u1ed5i<\/h2>\n

    S\u1ef1 n\u1ed5i c\u00f3 nhi\u1ec1u \u1ee9ng d\u1ee5ng th\u1ef1c ti\u1ec5n trong c\u00e1c ng\u00e0nh kh\u00e1c nhau:<\/p>\n

    <\/p>\n

  • Ng\u00e0nh \u0111\u00f3ng t\u00e0u:<\/strong> C\u00e1c con t\u00e0u \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 c\u00f3 th\u1ec3 n\u1ed5i tr\u00ean m\u1eb7t n\u01b0\u1edbc d\u1ef1a tr\u00ean nguy\u00ean l\u00fd Archimedes, nh\u1edd \u0111\u00f3 d\u00f9 c\u00f3 tr\u1ecdng l\u01b0\u1ee3ng l\u1edbn nh\u01b0ng t\u00e0u v\u1eabn kh\u00f4ng b\u1ecb ch\u00ecm.<\/li>\n
  • Kh\u00ed c\u1ea7u:<\/strong> Kh\u00ed n\u00f3ng nh\u1eb9 h\u01a1n kh\u00f4ng kh\u00ed l\u1ea1nh, do \u0111\u00f3 kh\u00ed c\u1ea7u \u0111\u01b0\u1ee3c b\u01a1m kh\u00ed n\u00f3ng ho\u1eb7c heli \u0111\u1ec3 n\u1ed5i l\u00ean.<\/li>\n
  • H\u1ec7 th\u1ed1ng qu\u1ea3n l\u00fd ch\u1ea5t l\u1ecfng:<\/strong> Nhi\u1ec1u thi\u1ebft b\u1ecb \u0111o l\u01b0\u1eddng v\u00e0 \u0111i\u1ec1u h\u00f2a d\u00f2ng ch\u1ea3y s\u1eed d\u1ee5ng nguy\u00ean l\u00fd n\u00e0y \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh m\u1ee9c ch\u1ea5t l\u1ecfng trong b\u1ec3 ch\u1ee9a.<\/li>\n

    <\/o1><\/p>\n

    Y\u1ebfu T\u1ed1 \u1ea2nh H\u01b0\u1edfng \u0110\u1ebfn S\u1ef1 N\u1ed5i<\/h2>\n

    \u0110\u1ec3 m\u1ed9t v\u1eadt th\u1ec3 n\u1ed5i l\u00ean trong ch\u1ea5t l\u1ecfng, m\u1ed9t s\u1ed1 y\u1ebfu t\u1ed1 c\u1ea7n \u0111\u01b0\u1ee3c xem x\u00e9t:<\/p>\n

    <\/p>\n

  • \u0110\u1ed9 m\u1eadt \u0111\u1ed9:<\/strong> V\u1eadt th\u1ec3 ph\u1ea3i c\u00f3 \u0111\u1ed9 m\u1eadt \u0111\u1ed9 th\u1ea5p h\u01a1n \u0111\u1ed9 m\u1eadt \u0111\u1ed9 c\u1ee7a ch\u1ea5t l\u1ecfng \u0111\u1ec3 c\u00f3 th\u1ec3 n\u1ed5i l\u00ean.<\/li>\n
  • Th\u1ec3 t\u00edch:<\/strong> V\u1eadt th\u1ec3 c\u00f3 di\u1ec7n t\u00edch m\u1eb7t ti\u1ebfp x\u00fac l\u1edbn v\u1edbi ch\u1ea5t l\u1ecfng s\u1ebd c\u00f3 kh\u1ea3 n\u0103ng n\u1ed5i t\u1ed1t h\u01a1n.<\/li>\n
  • H\u00ecnh d\u1ea1ng:<\/strong> H\u00ecnh d\u1ea1ng c\u1ee7a v\u1eadt th\u1ec3 c\u0169ng quy\u1ebft \u0111\u1ecbnh l\u1ef1c \u0111\u1ea9y t\u1eeb ch\u1ea5t l\u1ecfng l\u00ean v\u1eadt th\u1ec3 \u0111\u00f3.<\/li>\n

    <\/u1><\/p>\n

    K\u1ebft Lu\u1eadn<\/h2>\n

    S\u1ef1 n\u1ed5i l\u00e0 m\u1ed9t hi\u1ec7n t\u01b0\u1ee3ng c\u1ef1c k\u1ef3 quan tr\u1ecdng trong nhi\u1ec1u l\u0129nh v\u1ef1c khoa h\u1ecdc v\u00e0 k\u1ef9 thu\u1eadt. Hi\u1ec3u r\u00f5 v\u1ec1 nguy\u00ean l\u00fd Archimedes v\u00e0 c\u00e1c y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn s\u1ef1 n\u1ed5i gi\u00fap ch\u00fang ta thi\u1ebft k\u1ebf v\u00e0 t\u1ed1i \u01b0u h\u00f3a nhi\u1ec1u thi\u1ebft b\u1ecb, h\u1ec7 th\u1ed1ng v\u00e0 c\u00f4ng tr\u00ecnh trong cu\u1ed9c s\u1ed1ng h\u00e0ng ng\u00e0y.<\/p>\n","protected":false},"excerpt":{"rendered":"

    Hi\u1ec3u v\u1ec1 S\u1ef1 N\u1ed5i trong Ch\u1ea5t L\u1ecfng: Gi\u1ea3i th\u00edch kh\u00e1i ni\u1ec7m s\u1ef1 n\u1ed5i, nguy\u00ean l\u00fd Archimedes, v\u00e0 c\u00e1ch ch\u00fang \u1ee9ng d\u1ee5ng trong th\u1ef1c ti\u1ec5n thermal engineering.<\/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":"\nHi\u1ec3u v\u1ec1 S\u1ef1 N\u1ed5i trong Ch\u1ea5t L\u1ecfng<\/title>\n<meta name=\"description\" content=\"Hi\u1ec3u v\u1ec1 S\u1ef1 N\u1ed5i trong Ch\u1ea5t L\u1ecfng: Gi\u1ea3i th\u00edch kh\u00e1i ni\u1ec7m s\u1ef1 n\u1ed5i, nguy\u00ean l\u00fd Archimedes, v\u00e0 c\u00e1ch ch\u00fang \u1ee9ng d\u1ee5ng trong th\u1ef1c ti\u1ec5n thermal engineering.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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