![\"\u0110\u1ed9ng](\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/dong_luc_hoc_chat_long_nguyen_ly_do_luu_luong.png\")
<\/p>\n\u0110\u1ed9ng l\u1ef1c h\u1ecdc ch\u1ea5t l\u1ecfng: Nguy\u00ean l\u00fd \u0111o l\u01b0u l\u01b0\u1ee3ng – Gi\u1ea3i th\u00edch c\u00e1ch \u0111o l\u01b0u l\u01b0\u1ee3ng ch\u1ea5t l\u1ecfng v\u00e0 \u1ee9ng d\u1ee5ng trong c\u00e1c h\u1ec7 th\u1ed1ng k\u1ef9 thu\u1eadt v\u00e0 c\u00f4ng nghi\u1ec7p.<\/p>\n
<\/p>\n
\u0110\u1ed9ng l\u1ef1c h\u1ecdc ch\u1ea5t l\u1ecfng l\u00e0 m\u1ed9t nh\u00e1nh quan tr\u1ecdng c\u1ee7a k\u1ef9 thu\u1eadt nhi\u1ec7t, t\u1eadp trung v\u00e0o s\u1ef1 chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a ch\u1ea5t l\u1ecfng v\u00e0 c\u00e1c l\u1ef1c t\u00e1c \u0111\u1ed9ng l\u00ean ch\u00fang. Trong \u0111\u00f3, \u0111o l\u01b0u l\u01b0\u1ee3ng l\u00e0 m\u1ed9t kh\u00eda c\u1ea1nh quan tr\u1ecdng \u0111\u1ec3 hi\u1ec3u c\u00e1ch ch\u1ea5t l\u1ecfng di chuy\u1ec3n qua c\u00e1c h\u1ec7 th\u1ed1ng kh\u00e1c nhau, t\u1eeb \u1ed1ng d\u1eabn \u0111\u1ebfn k\u00eanh h\u1edf. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd t\u1eadp trung v\u00e0o c\u00e1c nguy\u00ean l\u00fd c\u01a1 b\u1ea3n \u0111\u1ec3 \u0111o l\u01b0u l\u01b0\u1ee3ng ch\u1ea5t l\u1ecfng.<\/p>\n
\u0110\u1ec3 \u0111o l\u01b0u l\u01b0\u1ee3ng ch\u1ea5t l\u1ecfng, ch\u00fang ta c\u1ea7n hi\u1ec3u c\u00e1c kh\u00e1i ni\u1ec7m c\u01a1 b\u1ea3n nh\u01b0 v\u1eadn t\u1ed1c, \u00e1p su\u1ea5t v\u00e0 di\u1ec7n t\u00edch c\u1ee7a \u1ed1ng d\u1eabn. L\u01b0u l\u01b0\u1ee3ng \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a l\u00e0 th\u1ec3 t\u00edch ch\u1ea5t l\u1ecfng ch\u1ea3y qua m\u1ed9t m\u1eb7t c\u1eaft ngang c\u1ee7a \u1ed1ng d\u1eabn trong m\u1ed9t \u0111\u01a1n v\u1ecb th\u1eddi gian. C\u00f4ng th\u1ee9c c\u01a1 b\u1ea3n \u0111\u1ec3 t\u00ednh l\u01b0u l\u01b0\u1ee3ng (Q) l\u00e0:<\/p>\n
Q = A * v<\/i><\/p>\n
Trong \u0111\u00f3:<\/p>\n
<\/u1><\/p>\n C\u00f3 nhi\u1ec1u ph\u01b0\u01a1ng ph\u00e1p \u0111\u1ec3 \u0111o l\u01b0u l\u01b0\u1ee3ng ch\u1ea5t l\u1ecfng, nh\u01b0ng ch\u00fang ta s\u1ebd t\u1eadp trung v\u00e0o ba ph\u01b0\u01a1ng ph\u00e1p ph\u1ed5 bi\u1ebfn nh\u1ea5t: \u0110o l\u01b0u l\u01b0\u1ee3ng b\u1eb1ng c\u00e1nh qu\u1ea1t, \u0111o \u00e1p su\u1ea5t ch\u00eanh l\u1ec7ch v\u00e0 \u0111o l\u01b0u l\u01b0\u1ee3ng si\u00eau \u00e2m.<\/p>\n Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y s\u1eed d\u1ee5ng m\u1ed9t c\u00e1nh qu\u1ea1t nh\u1ecf \u0111\u01b0\u1ee3c \u0111\u1eb7t trong d\u00f2ng ch\u1ea3y c\u1ee7a ch\u1ea5t l\u1ecfng. Khi ch\u1ea5t l\u1ecfng ch\u1ea3y qua, c\u00e1nh qu\u1ea1t quay v\u00e0 t\u1ed1c \u0111\u1ed9 quay n\u00e0y t\u1ef7 l\u1ec7 thu\u1eadn v\u1edbi v\u1eadn t\u1ed1c c\u1ee7a ch\u1ea5t l\u1ecfng. B\u1eb1ng c\u00e1ch x\u00e1c \u0111\u1ecbnh t\u1ed1c \u0111\u1ed9 quay c\u1ee7a c\u00e1nh qu\u1ea1t, ch\u00fang ta c\u00f3 th\u1ec3 t\u00ednh to\u00e1n l\u01b0u l\u01b0\u1ee3ng ch\u1ea5t l\u1ecfng.<\/p>\n \u0110\u00e2y l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p ph\u1ed5 bi\u1ebfn kh\u00e1c, s\u1eed d\u1ee5ng thi\u1ebft b\u1ecb nh\u01b0 \u1ed1ng Venturi ho\u1eb7c \u1ed1ng Pitot \u0111\u1ec3 \u0111o s\u1ef1 ch\u00eanh l\u1ec7ch \u00e1p su\u1ea5t tr\u01b0\u1edbc v\u00e0 sau trong d\u00f2ng ch\u1ea3y c\u1ee7a ch\u1ea5t l\u1ecfng. S\u1ef1 ch\u00eanh l\u1ec7ch \u00e1p su\u1ea5t n\u00e0y \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 t\u00ednh to\u00e1n v\u1eadn t\u1ed1c c\u1ee7a ch\u1ea5t l\u1ecfng theo ph\u01b0\u01a1ng tr\u00ecnh Bernoulli:<\/p>\n \\[ Trong \u0111\u00f3:<\/p>\n <\/u1><\/p>\n C\u00f4ng ngh\u1ec7 si\u00eau \u00e2m s\u1eed d\u1ee5ng s\u00f3ng \u00e2m \u0111\u1ec3 \u0111o l\u01b0u l\u01b0\u1ee3ng ch\u1ea5t l\u1ecfng. Hai \u0111\u1ea7u d\u00f2 \u0111\u01b0\u1ee3c \u0111\u1eb7t hai b\u00ean \u1ed1ng d\u1eabn; m\u1ed9t \u0111\u1ea7u d\u00f2 ph\u00e1t s\u00f3ng si\u00eau \u00e2m v\u00e0 \u0111\u1ea7u d\u00f2 kia nh\u1eadn s\u00f3ng \u00e2m. Th\u1eddi gian s\u00f3ng \u0111i t\u1eeb \u0111\u1ea7u d\u00f2 ph\u00e1t \u0111\u1ebfn \u0111\u1ea7u d\u00f2 nh\u1eadn s\u1ebd thay \u0111\u1ed5i t\u00f9y theo v\u1eadn t\u1ed1c d\u00f2ng ch\u1ea3y c\u1ee7a ch\u1ea5t l\u1ecfng. S\u1ef1 thay \u0111\u1ed5i n\u00e0y \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 t\u00ednh to\u00e1n l\u01b0u l\u01b0\u1ee3ng.<\/p>\n Nguy\u00ean l\u00fd \u0111o l\u01b0u l\u01b0\u1ee3ng trong \u0111\u1ed9ng l\u1ef1c h\u1ecdc ch\u1ea5t l\u1ecfng r\u1ea5t \u0111a d\u1ea1ng v\u00e0 ph\u1ee9c t\u1ea1p, nh\u01b0ng vi\u1ec7c hi\u1ec3u r\u00f5 c\u00e1c nguy\u00ean l\u00fd c\u01a1 b\u1ea3n s\u1ebd gi\u00fap ch\u00fang ta \u00e1p d\u1ee5ng hi\u1ec7u qu\u1ea3 trong k\u1ef9 thu\u1eadt nhi\u1ec7t v\u00e0 nhi\u1ec1u l\u0129nh v\u1ef1c kh\u00e1c. Hy v\u1ecdng b\u00e0i vi\u1ebft n\u00e0y \u0111\u00e3 cung c\u1ea5p cho b\u1ea1n m\u1ed9t c\u00e1i nh\u00ecn t\u1ed5ng quan v\u1ec1 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p \u0111o l\u01b0u l\u01b0\u1ee3ng ch\u1ea5t l\u1ecfng ph\u1ed5 bi\u1ebfn v\u00e0 nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a ch\u00fang.<\/p>\n","protected":false},"excerpt":{"rendered":" \u0110\u1ed9ng l\u1ef1c h\u1ecdc ch\u1ea5t l\u1ecfng: Nguy\u00ean l\u00fd \u0111o l\u01b0u l\u01b0\u1ee3ng – Gi\u1ea3i th\u00edch c\u00e1ch \u0111o l\u01b0u l\u01b0\u1ee3ng ch\u1ea5t l\u1ecfng v\u00e0 \u1ee9ng d\u1ee5ng trong c\u00e1c h\u1ec7 th\u1ed1ng k\u1ef9 thu\u1eadt v\u00e0 c\u00f4ng nghi\u1ec7p.<\/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":"\nC\u00e1c Ph\u01b0\u01a1ng Ph\u00e1p \u0110o L\u01b0u L\u01b0\u1ee3ng<\/h2>\n
1. \u0110o L\u01b0u L\u01b0\u1ee3ng B\u1eb1ng C\u00e1nh Qu\u1ea1t<\/h3>\n
2. \u0110o \u00c1p Su\u1ea5t Ch\u00eanh L\u1ec7ch<\/h3>\n
\nP_1 + \\frac{1}{2} \\rho v_1^2 + \\rho gh_1 = P_2 + \\frac{1}{2} \\rho v_2^2 + \\rho gh_2
\n\\]\n3. \u0110o L\u01b0u L\u01b0\u1ee3ng Si\u00eau \u00c2m<\/h3>\n
K\u1ebft Lu\u1eadn<\/h2>\n