![\"Nguy\u00ean](\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/nguyen_tac_cua_tinh_hoc_chat_long_duoc_giai_thich.png\")
<\/p>\nNguy\u00ean t\u1eafc c\u1ee7a T\u0129nh h\u1ecdc Ch\u1ea5t l\u1ecfng \u0111\u01b0\u1ee3c Gi\u1ea3i th\u00edch: Gi\u1ea3i th\u00edch c\u01a1 b\u1ea3n v\u1ec1 c\u00e1c quy t\u1eafc v\u00e0 hi\u1ec7n t\u01b0\u1ee3ng c\u01a1 h\u1ecdc c\u1ee7a ch\u1ea5t l\u1ecfng khi ch\u00fang kh\u00f4ng chuy\u1ec3n \u0111\u1ed9ng, \u00e1p d\u1ee5ng v\u00e0o th\u1ef1c t\u1ebf.<\/p>\n
<\/p>\n
T\u0129nh h\u1ecdc ch\u1ea5t l\u1ecfng (ho\u1eb7c th\u1ee7y t\u0129nh) l\u00e0 m\u1ed9t nh\u00e1nh c\u1ee7a v\u1eadt l\u00fd h\u1ecdc v\u00e0 k\u1ef9 thu\u1eadt c\u01a1 h\u1ecdc, nghi\u00ean c\u1ee9u v\u1ec1 ch\u1ea5t l\u1ecfng trong tr\u1ea1ng th\u00e1i ngh\u1ec9. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd gi\u1ea3i th\u00edch m\u1ed9t s\u1ed1 nguy\u00ean t\u1eafc c\u01a1 b\u1ea3n c\u1ee7a t\u0129nh h\u1ecdc ch\u1ea5t l\u1ecfng.<\/p>\n
\u00c1p su\u1ea5t l\u00e0 l\u1ef1c t\u00e1c d\u1ee5ng tr\u00ean m\u1ed9t \u0111\u01a1n v\u1ecb di\u1ec7n t\u00edch. Trong ch\u1ea5t l\u1ecfng, \u00e1p su\u1ea5t \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a l\u00e0 l\u1ef1c m\u00e0 ch\u1ea5t l\u1ecfng t\u00e1c d\u1ee5ng l\u00ean c\u00e1c b\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac v\u1edbi n\u00f3. C\u00f4ng th\u1ee9c t\u00ednh \u00e1p su\u1ea5t l\u00e0:<\/p>\n
P = \\frac{F}{A}<\/b><\/p>\n
Trong \u0111\u00f3:<\/p>\n
<\/u1><\/p>\n Nguy\u00ean t\u1eafc Pascal ph\u00e1t bi\u1ec3u r\u1eb1ng \u00e1p su\u1ea5t t\u1ea1i b\u1ea5t k\u1ef3 \u0111i\u1ec3m n\u00e0o trong m\u1ed9t ch\u1ea5t l\u1ecfng kh\u00f4ng n\u00e9n trong m\u1ed9t h\u1ec7 k\u00edn \u0111\u1ec1u \u0111\u01b0\u1ee3c truy\u1ec1n \u0111i kh\u00f4ng suy gi\u1ea3m trong to\u00e0n b\u1ed9 ch\u1ea5t l\u1ecfng. \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 n\u1ebfu b\u1ea1n \u00e1p d\u1ee5ng m\u1ed9t l\u1ef1c l\u00ean m\u1ed9t ph\u1ea7n c\u1ee7a ch\u1ea5t l\u1ecfng, l\u1ef1c n\u00e0y s\u1ebd \u0111\u01b0\u1ee3c truy\u1ec1n \u0111\u1ec1u trong to\u00e0n b\u1ed9 ch\u1ea5t l\u1ecfng. \u0110\u00e2y l\u00e0 nguy\u00ean t\u1eafc l\u00e0m vi\u1ec7c c\u1ee7a c\u00e1c h\u1ec7 th\u1ed1ng thu\u1ef7 l\u1ef1c, nh\u01b0 b\u01a1m thu\u1ef7 l\u1ef1c v\u00e0 h\u1ec7 th\u1ed1ng phanh \u00f4 t\u00f4.<\/p>\n \u0110\u1ecbnh lu\u1eadt Archimedes n\u00f3i v\u1ec1 l\u1ef1c n\u1ed5i, m\u1ed9t l\u1ef1c \u0111\u1ea9y l\u00ean t\u00e1c d\u1ee5ng l\u00ean v\u1eadt khi n\u00f3 b\u1ecb nh\u00fang ch\u00ecm trong ch\u1ea5t l\u1ecfng. Theo \u0111\u1ecbnh lu\u1eadt n\u00e0y, l\u1ef1c \u0111\u1ea9y l\u00ean b\u1eb1ng tr\u1ecdng l\u01b0\u1ee3ng c\u1ee7a ch\u1ea5t l\u1ecfng b\u1ecb thay th\u1ebf b\u1edfi v\u1eadt. C\u00f4ng th\u1ee9c l\u1ef1c n\u1ed5i l\u00e0:<\/p>\n F_b = \u03c1_fluid * V_disp * g<\/b><\/p>\n Trong \u0111\u00f3:<\/p>\n <\/u1><\/p>\n \u00c1p su\u1ea5t th\u1ee7y t\u0129nh l\u00e0 \u00e1p su\u1ea5t trong ch\u1ea5t l\u1ecfng t\u1ea1i m\u1ed9t \u0111\u1ed9 s\u00e2u nh\u1ea5t \u0111\u1ecbnh do tr\u1ecdng l\u01b0\u1ee3ng c\u1ee7a ch\u1ea5t l\u1ecfng g\u00e2y ra. C\u00f4ng th\u1ee9c t\u00ednh \u00e1p su\u1ea5t th\u1ee7y t\u0129nh l\u00e0:<\/p>\n P_h = \u03c1 * g * h<\/b><\/p>\n Trong \u0111\u00f3:<\/p>\n <\/u1><\/p>\n T\u0129nh h\u1ecdc ch\u1ea5t l\u1ecfng c\u00f3 nhi\u1ec1u \u1ee9ng d\u1ee5ng trong \u0111\u1eddi s\u1ed1ng v\u00e0 k\u1ef9 thu\u1eadt, bao g\u1ed3m:<\/p>\n <\/o1><\/p>\n Hi\u1ec3u bi\u1ebft v\u1ec1 t\u0129nh h\u1ecdc ch\u1ea5t l\u1ecfng gi\u00fap ch\u00fang ta thi\u1ebft k\u1ebf v\u00e0 gi\u1ea3i quy\u1ebft nhi\u1ec1u v\u1ea5n \u0111\u1ec1 k\u1ef9 thu\u1eadt li\u00ean quan \u0111\u1ebfn ch\u1ea5t l\u1ecfng trong cu\u1ed9c s\u1ed1ng h\u00e0ng ng\u00e0y v\u00e0 c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p kh\u00e1c nhau.<\/p>\n","protected":false},"excerpt":{"rendered":" Nguy\u00ean t\u1eafc c\u1ee7a T\u0129nh h\u1ecdc Ch\u1ea5t l\u1ecfng \u0111\u01b0\u1ee3c Gi\u1ea3i th\u00edch: Gi\u1ea3i th\u00edch c\u01a1 b\u1ea3n v\u1ec1 c\u00e1c quy t\u1eafc v\u00e0 hi\u1ec7n t\u01b0\u1ee3ng c\u01a1 h\u1ecdc c\u1ee7a ch\u1ea5t l\u1ecfng khi ch\u00fang kh\u00f4ng chuy\u1ec3n \u0111\u1ed9ng, \u00e1p d\u1ee5ng v\u00e0o 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":"\nNguy\u00ean t\u1eafc Pascal<\/h2>\n
\u0110\u1ecbnh lu\u1eadt Archimedes<\/h2>\n
\u00c1p su\u1ea5t th\u1ee7y t\u0129nh<\/h2>\n
\u1ee8ng d\u1ee5ng c\u1ee7a T\u0129nh h\u1ecdc Ch\u1ea5t l\u1ecfng<\/h2>\n