{"id":683073,"date":"2024-10-15T16:00:11","date_gmt":"2024-10-15T15:00:11","guid":{"rendered":"https:\/\/www.thermal-engineering.org\/?p=683073"},"modified":"2024-10-15T16:00:11","modified_gmt":"2024-10-15T15:00:11","slug":"12-thi-nghiem-dong-luc-hoc-chat-long-danh-cho-giao-duc","status":"publish","type":"post","link":"https:\/\/www.thermal-engineering.org\/vi\/12-thi-nghiem-dong-luc-hoc-chat-long-danh-cho-giao-duc\/","title":{"rendered":"12 Th\u00ed Nghi\u1ec7m \u0110\u1ed9ng L\u1ef1c H\u1ecdc Ch\u1ea5t L\u1ecfng D\u00e0nh Cho Gi\u00e1o D\u1ee5c"},"content":{"rendered":"<p class=\"sidekick\">Th\u00ed nghi\u1ec7m \u0111\u1ed9ng l\u1ef1c h\u1ecdc ch\u1ea5t l\u1ecfng d\u00e0nh cho gi\u00e1o d\u1ee5c gi\u00fap h\u1ecdc sinh hi\u1ec3u r\u00f5 v\u1ec1 lu\u1ed3ng ch\u1ea3y, \u00e1p su\u1ea5t v\u00e0 nguy\u00ean l\u00fd Bernoulli qua 12 th\u00ed nghi\u1ec7m th\u1ef1c t\u1ebf.<\/p>\n<p><img src=\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/12_thi_nghiem_dong_luc_hoc_chat_long_danh_cho_giao_duc.png\" alt=\"12 Th\u00ed Nghi\u1ec7m \u0110\u1ed9ng L\u1ef1c H\u1ecdc Ch\u1ea5t L\u1ecfng D\u00e0nh Cho Gi\u00e1o D\u1ee5c\" style=\"display: block; margin-left: auto; margin-right: auto;\"\/><\/p>\n<h2>12 Th\u00ed Nghi\u1ec7m \u0110\u1ed9ng L\u1ef1c H\u1ecdc Ch\u1ea5t L\u1ecfng D\u00e0nh Cho Gi\u00e1o D\u1ee5c<\/h2>\n<p>\u0110\u1ed9ng l\u1ef1c h\u1ecdc ch\u1ea5t l\u1ecfng l\u00e0 m\u1ed9t l\u0129nh v\u1ef1c quan tr\u1ecdng trong nhi\u1ec7t \u0111\u1ed9ng h\u1ecdc v\u00e0 k\u1ef9 thu\u1eadt c\u01a1 kh\u00ed. \u0110\u1ec3 hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 nguy\u00ean l\u00fd v\u00e0 \u1ee9ng d\u1ee5ng c\u1ee7a l\u0129nh v\u1ef1c n\u00e0y, d\u01b0\u1edbi \u0111\u00e2y l\u00e0 12 th\u00ed nghi\u1ec7m c\u0103n b\u1ea3n m\u00e0 b\u1ea5t k\u1ef3 ai h\u1ecdc v\u1ec1 \u0111\u1ed9ng l\u1ef1c h\u1ecdc ch\u1ea5t l\u1ecfng c\u0169ng n\u00ean th\u1ef1c hi\u1ec7n.<\/p>\n<ul>\n<li>\n<h2>1. Th\u00ed nghi\u1ec7m Bernoulli<\/h2>\n<p>Th\u00ed nghi\u1ec7m n\u00e0y gi\u00fap minh ch\u1ee9ng nguy\u00ean l\u00fd Bernoulli, li\u00ean quan \u0111\u1ebfn \u00e1p su\u1ea5t v\u00e0 t\u1ed1c \u0111\u1ed9 trong d\u00f2ng ch\u1ea3y ch\u1ea5t l\u1ecfng. B\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng \u1ed1ng Venturi, ng\u01b0\u1eddi h\u1ecdc c\u00f3 th\u1ec3 quan s\u00e1t s\u1ef1 thay \u0111\u1ed5i \u00e1p su\u1ea5t khi t\u1ed1c \u0111\u1ed9 d\u00f2ng ch\u1ea3y thay \u0111\u1ed5i.<\/p>\n<\/li>\n<li>\n<h2>2. Th\u00ed nghi\u1ec7m d\u00f2ng ch\u1ea3y qua \u1ed1ng<\/h2>\n<p>Th\u00ed nghi\u1ec7m n\u00e0y cho ph\u00e9p \u0111o l\u01b0\u1ee3ng d\u00f2ng ch\u1ea3y c\u1ee7a ch\u1ea5t l\u1ecfng qua \u1ed1ng c\u00f3 ti\u1ebft di\u1ec7n ngang kh\u00e1c nhau, \u0111\u1ec3 hi\u1ec3u r\u00f5 m\u1ed1i quan h\u1ec7 gi\u1eefa v\u1eadn t\u1ed1c v\u00e0 ti\u1ebft di\u1ec7n.<\/p>\n<\/li>\n<li>\n<h2>3. Th\u00ed nghi\u1ec7m l\u1ef1c c\u1ea3n<\/h2>\n<p>Th\u00ed nghi\u1ec7m n\u00e0y kh\u00e1m ph\u00e1 c\u00e1ch l\u1ef1c c\u1ea3n c\u1ee7a ch\u1ea5t l\u1ecfng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn v\u1eadt chuy\u1ec3n \u0111\u1ed9ng trong ch\u1ea5t l\u1ecfng. Th\u1ea3 nh\u1eefng v\u1eadt c\u00f3 h\u00ecnh d\u1ea1ng kh\u00e1c nhau v\u00e0o ch\u1ea5t l\u1ecfng v\u00e0 \u0111o l\u1ef1c c\u1ea3n.<\/p>\n<\/li>\n<li>\n<h2>4. Th\u00ed nghi\u1ec7m l\u1ef1c n\u00e2ng<\/h2>\n<p>Th\u00f4ng qua th\u00ed nghi\u1ec7m n\u00e0y, ng\u01b0\u1eddi h\u1ecdc c\u00f3 th\u1ec3 hi\u1ec3u c\u00e1ch l\u1ef1c n\u00e2ng t\u1ea1o ra b\u1edfi c\u00e1nh m\u00e1y bay b\u1eb1ng vi\u1ec7c \u0111\u1eb7t m\u00f4 h\u00ecnh c\u00e1nh v\u00e0o m\u1ed9t \u0111\u01b0\u1eddng h\u1ea7m gi\u00f3.<\/p>\n<\/li>\n<li>\n<h2>5. Th\u00ed nghi\u1ec7m d\u00f2ng ch\u1ea3y t\u1ea7ng v\u00e0 d\u00f2ng ch\u1ea3y r\u1ed1i<\/h2>\n<p>S\u1eed d\u1ee5ng ch\u1ea5t l\u1ecfng m\u00e0u v\u00e0 \u1ed1ng th\u1ee7y tinh, ng\u01b0\u1eddi h\u1ecdc c\u00f3 th\u1ec3 quan s\u00e1t d\u00f2ng ch\u1ea3y t\u1ea7ng (laminar flow) v\u00e0 d\u00f2ng ch\u1ea3y r\u1ed1i (turbulent flow) \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh \u0111i\u1ec1u ki\u1ec7n chuy\u1ec3n \u0111\u1ed5i gi\u1eefa hai tr\u1ea1ng th\u00e1i.<\/p>\n<\/li>\n<li>\n<h2>6. Th\u00ed nghi\u1ec7m \u0111\u1ecbnh lu\u1eadt Torricelli<\/h2>\n<p>Th\u00ed nghi\u1ec7m n\u00e0y gi\u00fap minh ch\u1ee9ng \u0111\u1ecbnh lu\u1eadt Torricelli b\u1eb1ng c\u00e1ch \u0111o v\u1eadn t\u1ed1c d\u00f2ng ch\u1ea3y ra t\u1eeb m\u1ed9t l\u1ed7 tr\u00ean m\u1ed9t b\u00ecnh ch\u1ee9a ch\u1ea5t l\u1ecfng.<\/p>\n<\/li>\n<li>\n<h2>7. Th\u00ed nghi\u1ec7m c\u00e2n b\u1eb1ng \u00e1p su\u1ea5t<\/h2>\n<p>Ng\u01b0\u1eddi h\u1ecdc s\u1ebd s\u1eed d\u1ee5ng \u1ed1ng U \u0111\u1ec3 \u0111o \u00e1p su\u1ea5t trong ch\u1ea5t l\u1ecfng v\u00e0 hi\u1ec3u c\u00e1ch \u00e1p su\u1ea5t thay \u0111\u1ed5i v\u1edbi chi\u1ec1u cao c\u1ee7a c\u1ed9t ch\u1ea5t l\u1ecfng.<\/p>\n<\/li>\n<li>\n<h2>8. Th\u00ed nghi\u1ec7m s\u1ee9c c\u0103ng b\u1ec1 m\u1eb7t<\/h2>\n<p>Th\u00ed nghi\u1ec7m n\u00e0y minh ch\u1ee9ng s\u1ee9c c\u0103ng b\u1ec1 m\u1eb7t b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng c\u00e1c ph\u01b0\u01a1ng ph\u00e1p nh\u01b0 gi\u1ecdt n\u01b0\u1edbc tr\u00ean b\u1ec1 m\u1eb7t ho\u1eb7c l\u1ef1c d\u00ednh m\u00e0ng n\u01b0\u1edbc gi\u1eefa hai t\u1ea5m th\u1ee7y tinh.<\/p>\n<\/li>\n<li>\n<h2>9. Th\u00ed nghi\u1ec7m t\u00e1c d\u1ee5ng c\u1ee7a nhi\u1ec7t \u0111\u1ed9 \u0111\u1ed1i v\u1edbi \u0111\u1ed9 nh\u1edbt<\/h2>\n<p>Ng\u01b0\u1eddi h\u1ecdc s\u1ebd thay \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9 c\u1ee7a ch\u1ea5t l\u1ecfng v\u00e0 \u0111o \u0111\u1ed9 nh\u1edbt c\u1ee7a n\u00f3 \u0111\u1ec3 hi\u1ec3u m\u1ed1i quan h\u1ec7 gi\u1eefa \u0111\u1ed9 nh\u1edbt v\u00e0 nhi\u1ec7t \u0111\u1ed9.<\/p>\n<\/li>\n<li>\n<h2>10. Th\u00ed nghi\u1ec7m \u0111\u1ea9y Archimedes<\/h2>\n<p>\u0110\u00e2y l\u00e0 th\u00ed nghi\u1ec7m \u0111\u1ec3 minh ch\u1ee9ng nguy\u00ean l\u00fd \u0111\u1ea9y Archimedes b\u1eb1ng c\u00e1ch \u0111o l\u1ef1c \u0111\u1ea9y n\u00ean \u0111\u1ed1i v\u1edbi c\u00e1c v\u1eadt kh\u00e1c nhau khi ch\u00fang \u0111\u01b0\u1ee3c nh\u00fang trong ch\u1ea5t l\u1ecfng.<\/p>\n<\/li>\n<li>\n<h2>11. Th\u00ed nghi\u1ec7m hi\u1ec7u \u1ee9ng Venturi<\/h2>\n<p>Ng\u01b0\u1eddi h\u1ecdc s\u1ebd s\u1eed d\u1ee5ng \u1ed1ng Venturi \u0111\u1ec3 \u0111o s\u1ef1 thay \u0111\u1ed5i \u00e1p su\u1ea5t v\u00e0 v\u1eadn t\u1ed1c d\u00f2ng ch\u1ea3y c\u1ee7a ch\u1ea5t l\u1ecfng, t\u1eeb \u0111\u00f3 hi\u1ec3u r\u00f5 hi\u1ec7u \u1ee9ng Venturi.<\/p>\n<\/li>\n<li>\n<h2>12. Th\u00ed nghi\u1ec7m ch\u00e2n kh\u00f4ng<\/h2>\n<p>Th\u00ed nghi\u1ec7m n\u00e0y gi\u00fap ng\u01b0\u1eddi h\u1ecdc hi\u1ec3u v\u1ec1 \u00e1p su\u1ea5t ch\u00e2n kh\u00f4ng v\u00e0 c\u00e1ch n\u00f3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn d\u00f2ng ch\u1ea3y c\u1ee7a ch\u1ea5t l\u1ecfng th\u00f4ng qua vi\u1ec7c s\u1eed d\u1ee5ng b\u01a1m ch\u00e2n kh\u00f4ng.<\/p>\n<\/li>\n<\/ul>\n<p>Nh\u1eefng th\u00ed nghi\u1ec7m tr\u00ean kh\u00f4ng ch\u1ec9 gi\u00fap c\u1ee7ng c\u1ed1 ki\u1ebfn th\u1ee9c l\u00fd thuy\u1ebft m\u00e0 c\u00f2n t\u1ea1o n\u1ec1n t\u1ea3ng v\u1eefng ch\u1eafc cho vi\u1ec7c \u1ee9ng d\u1ee5ng \u0111\u1ed9ng l\u1ef1c h\u1ecdc ch\u1ea5t l\u1ecfng trong th\u1ef1c t\u1ebf.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Th\u00ed nghi\u1ec7m \u0111\u1ed9ng l\u1ef1c h\u1ecdc ch\u1ea5t l\u1ecfng d\u00e0nh cho gi\u00e1o d\u1ee5c gi\u00fap h\u1ecdc sinh hi\u1ec3u r\u00f5 v\u1ec1 lu\u1ed3ng ch\u1ea3y, \u00e1p su\u1ea5t v\u00e0 nguy\u00ean l\u00fd Bernoulli qua 12 th\u00ed nghi\u1ec7m th\u1ef1c t\u1ebf.<\/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>12 Th\u00ed Nghi\u1ec7m \u0110\u1ed9ng L\u1ef1c H\u1ecdc Ch\u1ea5t L\u1ecfng D\u00e0nh Cho Gi\u00e1o D\u1ee5c<\/title>\n<meta name=\"description\" content=\"Th\u00ed nghi\u1ec7m \u0111\u1ed9ng l\u1ef1c h\u1ecdc ch\u1ea5t l\u1ecfng d\u00e0nh cho gi\u00e1o d\u1ee5c gi\u00fap h\u1ecdc sinh hi\u1ec3u r\u00f5 v\u1ec1 lu\u1ed3ng ch\u1ea3y, \u00e1p su\u1ea5t v\u00e0 nguy\u00ean l\u00fd Bernoulli qua 12 th\u00ed nghi\u1ec7m th\u1ef1c t\u1ebf.\" \/>\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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