![\"\u0110\u0129a](\"https:\/\/www.thermal-engineering.org\/wp-content\/uploads\/2024\/07\/dia_vat_lo_han_che_dong_chay_do_luong.png\")
<\/p>\n\u0110\u0129a V\u00e1t L\u1ed7: thi\u1ebft b\u1ecb h\u1ea1n ch\u1ebf d\u00f2ng ch\u1ea3y v\u00e0 \u0111o l\u01b0\u1eddng \u00e1p su\u1ea5t, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong h\u1ec7 th\u1ed1ng \u0111\u01b0\u1eddng \u1ed1ng \u0111\u1ec3 ki\u1ec3m so\u00e1t v\u00e0 gi\u00e1m s\u00e1t l\u01b0u l\u01b0\u1ee3ng ch\u1ea5t l\u1ecfng v\u00e0 kh\u00ed.<\/p>\n
<\/p>\n
Trong k\u1ef9 thu\u1eadt nhi\u1ec7t (thermal engineering), \u0111\u0129a v\u00e1t l\u1ed7 (orifice plate) l\u00e0 m\u1ed9t thi\u1ebft b\u1ecb quan tr\u1ecdng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111o l\u01b0\u1eddng v\u00e0 ki\u1ec3m so\u00e1t d\u00f2ng ch\u1ea3y c\u1ee7a ch\u1ea5t l\u1ecfng v\u00e0 kh\u00ed trong \u0111\u01b0\u1eddng \u1ed1ng. \u0110\u0129a v\u00e1t l\u1ed7 bao g\u1ed3m m\u1ed9t t\u1ea5m kim lo\u1ea1i m\u1ecfng v\u1edbi m\u1ed9t l\u1ed7 tr\u00f2n \u1edf gi\u1eefa, \u0111\u01b0\u1ee3c \u0111\u1eb7t tr\u1ef1c ti\u1ebfp v\u00e0o d\u00f2ng ch\u1ea3y.<\/p>\n
Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a \u0111\u0129a v\u00e1t l\u1ed7 d\u1ef1a tr\u00ean \u0111\u1ecbnh lu\u1eadt Bernoulli v\u00e0 ph\u01b0\u01a1ng tr\u00ecnh li\u00ean t\u1ee5c. Khi ch\u1ea5t l\u1ecfng ho\u1eb7c kh\u00ed ch\u1ea3y qua l\u1ed7, \u00e1p su\u1ea5t c\u1ee7a ch\u00fang s\u1ebd gi\u1ea3m do s\u1ef1 h\u1ea1n ch\u1ebf d\u00f2ng ch\u1ea3y. S\u1ef1 gi\u1ea3m \u00e1p su\u1ea5t n\u00e0y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh l\u01b0u l\u01b0\u1ee3ng d\u00f2ng ch\u1ea3y qua l\u1ed7, d\u1ef1a v\u00e0o c\u00f4ng th\u1ee9c sau:<\/p>\n
\n\\[ Q = C * A * \\sqrt{\\frac{2 * (P1 – P2)}{\\rho}} \\]\n<\/p>\n
\u0110\u0129a v\u00e1t l\u1ed7 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong nhi\u1ec1u ngh\u00e0nh c\u00f4ng nghi\u1ec7p nh\u01b0 d\u1ea7u kh\u00ed, ho\u00e1 ch\u1ea5t, v\u00e0 ng\u00e0nh x\u1eed l\u00fd n\u01b0\u1edbc. Ch\u00fang cung c\u1ea5p m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p \u0111o l\u01b0\u1eddng d\u00f2ng ch\u1ea3y \u0111\u01a1n gi\u1ea3n nh\u01b0ng hi\u1ec7u qu\u1ea3, v\u00e0 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p v\u00e0o h\u1ec7 th\u1ed1ng \u0111i\u1ec1u khi\u1ec3n t\u1ef1 \u0111\u1ed9ng \u0111\u1ec3 duy tr\u00ec v\u00e0 ki\u1ec3m so\u00e1t qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t.<\/p>\n
\u0110\u0129a v\u00e1t l\u1ed7 c\u00f3 nh\u1eefng \u01b0u \u0111i\u1ec3m v\u00e0 h\u1ea1n ch\u1ebf \u0111\u00e1ng l\u01b0u \u00fd:<\/p>\n
T\u00f3m l\u1ea1i, \u0111\u0129a v\u00e1t l\u1ed7 l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 \u0111o l\u01b0\u1eddng v\u00e0 ki\u1ec3m so\u00e1t d\u00f2ng ch\u1ea3y quan tr\u1ecdng trong nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p. V\u1edbi s\u1ef1 hi\u1ec3u bi\u1ebft v\u1ec1 nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng v\u00e0 \u1ee9ng d\u1ee5ng, vi\u1ec7c s\u1eed d\u1ee5ng \u0111\u0129a v\u00e1t l\u1ed7 c\u00f3 th\u1ec3 gi\u00fap t\u1ed1i \u01b0u ho\u00e1 qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t v\u00e0 n\u00e2ng cao hi\u1ec7u qu\u1ea3 l\u00e0m vi\u1ec7c.<\/p>\n","protected":false},"excerpt":{"rendered":"
\u0110\u0129a V\u00e1t L\u1ed7: thi\u1ebft b\u1ecb h\u1ea1n ch\u1ebf d\u00f2ng ch\u1ea3y v\u00e0 \u0111o l\u01b0\u1eddng \u00e1p su\u1ea5t, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong h\u1ec7 th\u1ed1ng \u0111\u01b0\u1eddng \u1ed1ng \u0111\u1ec3 ki\u1ec3m so\u00e1t v\u00e0 gi\u00e1m s\u00e1t l\u01b0u l\u01b0\u1ee3ng ch\u1ea5t l\u1ecfng v\u00e0 kh\u00ed.<\/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":"\n