Open channel flowmeter, ho ea ka melao-motheo e fapaneng ea tekanyo, e arotsoe ka ultrasonic open channel flowmeter le Doppler open channel flowmeter, kaofela ha tsona li le mocha o bulehileng kapa tekanyo ea mochine oa lisebelisoa tsa ho hlahloba tsamaiso ea phallo ea mokelikeli.Sistimi e bulehileng ea ho shebella flowmeter, e loketseng sebaka sa polokelo ea metsi, noka, morero oa ho boloka metsi, phepelo ea metsi litoropong, tlhoekiso ea likhoerekhoere, nosetso ea masimong, mehloli ea metsi le tse ling tse khutlonnetsepa, kanale e bulehileng ea trapezoid le tekanyo ea phallo ea culvert.E 'nile ea sebelisoa haholo lilemong tsa morao tjena.
Ultrasonic open channel flowmeter
Ho sebelisa theknoloji e bulehileng ea mocha, ho itšetlehile ka mokhoa oa ho bala boemo ba metsi a phallang, sekhahla sa phallo se fumanoa ka ho lekanya bophahamo ba boemo ba mokelikeli, ho kopanya boholo ba geometri ea "weir groove" e tloaelehileng, coefficient ea letsoapo, ho nepahala ha mocha, ramp ea hydraulic, coefficient ea tokiso ea sefofane se otlolohileng. ea lebelo la phallo, ebe o bala ka microprocessor ka hare ho sesebelisoa.Ka lebaka la tekanyo ea ho se kopane, li-flowmeters tse bulehileng li ka sebelisoa libakeng tse thata.Tlas'a taolo ea microcomputer, mocha o bulehileng oa flowmeter o fetisetsa le ho amohela leqhubu la ultrasonic, mme o bala sebaka se pakeng tsa phallo e bulehileng ea kanale le sebaka sa metsi se lekantsoeng ho latela nako ea phetisetso, e le ho fumana bophahamo ba boemo ba mokelikeli.Hobane ho na le kamano e itseng ea tekano lipakeng tsa boemo ba mokelikeli le sekhahla sa phallo, sekhahla sa phallo ea mokelikeli Q se ka fumanoa ho latela foromo ea lipalo.
Doppler e bulehileng ea phallo ea kanale
Mokhoa oa ho lekanya ho kopana o amoheloa, kutlo e behoa ka tlaase ho mocha, 'me pakeng tsa li-probe tse peli, tsamaiso e lekanya lebelo la ho tsoa ho ea ka nako ea nako ea Doppler, ebe e fetola phallo ea hang-hang ho pholletsa le sebaka sa cross-sectional. sebaka sa sensor ho latela foromo.
Nako ea poso: Aug-07-2023