I-flowmeter ye-ultrasonic yohlobo lomehluko wesikhathi sokuthutha ilinganiswa kusetshenziswa i-A pair yama-transducer (izinzwa u-A no-B esithombeni esingezansi), ezidlulisela futhi zamukele amagagasi e-ultrasonic ngokushintshana (noma ngasikhathi sinye). Isignali ihamba ngokushesha phezulu kunokwenyuka koketshezi, futhi umehluko wesikhathi u-zero lapho uketshezi lusesekhona. Ngakho-ke, inqobo nje uma isikhathi sokusabalala kwe-downstream kanye ne-countercurrent silinganiswa, inani lomehluko △t lingatholakala. Ngemuva kwalokho, ngokuya ngobudlelwano phakathi kuka-△ T kanye nejubane V, ijubane elimaphakathi le-medium lingalinganiswa ngokungaqondile, futhi ukugeleza kwevolumu Q kungabalwa ngokuya ngendawo enqamulayo.
V = K * △ t
Q=S×V, lapho u-K engumuntu ongaguquki khona kanti u-S uyindawo enqamula ngaphakathi kwepayipi.
I-flowmeter ye-ultrasonic yesikhathi sokuthutha ifanelekela ukulinganisa uketshezi oluhlanzekile kahle epayipini eligcwele elivaliwe, futhi okuqukethwe kwezinhlayiya ezilengayo noma amabhamuza kuketshezi olulinganisiwe kungaphansi kuka-5.0%. Lolu hlobo lwe-flowmeter lungasetshenziswa kabanzi kuketshezi olungaphansi.
1) Amanzi ompompi, amanzi ajikelezayo, amanzi apholile, amanzi afudumezayo, njll.;
2) Amanzi angaphekiwe, amanzi olwandle, indle evamile evuvukele, noma indle yesibili;
3) Iziphuzo, utshwala, ubhiya, umuthi owuketshezi, njll.;
4) Isinyibilikisi samakhemikhali, ubisi, iyogathi, njll.;
5) uphethiloli, uphalafini, udizili, neminye imikhiqizo kawoyela;
6) Isikhungo sikagesi (i-nuclear, i-thermal, kanye ne-hydraulic), ukushisa, ukushisa, ukushisa;
7) Ukuqoqwa kokugeleza, ukutholwa kokuvuza; Ukugeleza, ukuphathwa kokulinganisa ukushisa, uhlelo lwenethiwekhi yokuqapha;
8) I-Metallurgy, izimayini, uphethiloli, imboni yamakhemikhali;
9) Ukuqapha ukonga amandla kanye nokuphathwa kokonga amanzi;
10) Ukudla nemithi;
11) Ukulinganisa ukushisa kanye nebhalansi yokushisa;
12) Ukulinganiswa kwemitha yokugeleza endaweni, ukulinganiswa, ukuhlolwa kwedatha, njll.
Isikhathi sokuthunyelwe: Agasti-20-2021