Isantya sokuhamba kwamanzi esigqithisileyo sibangela imingeni kwimida yokulinganisa ephantsi nephezulu yee-ultrasonic flowmeters, nto leyo ebangela umahluko omkhulu ekusebenzeni ngokuchanekileyo:
Isantya Sokuhamba Komoya Esiphantsi (< 0.1 m/s)
Kule nqanaba, ukuhamba okuphakathi kusondele ekuhambeni kwe-laminar, kunye nokusasazwa kwesantya okungahambi kakuhle. Ii-flowmeters zendlela enye, ezilinganisa isantya sokuhamba kuphela kwiziko lepayipi, ziya kubona impazamo yazo yokuguqula isanda ukusuka ku-±1% ukuya ngaphezulu kwe-±3%. Ngokwahlukileyo koko, ii-flowmeters zeendlela ezininzi zinokugcina ukuchaneka kwe-±0.5% ukuya ku-±1% ngokulinganisa isantya kwiindawo ezininzi kunye nokubala umyinge olinganisiweyo. Nangona kunjalo, kuyimfuneko ukukhetha "uhlobo olukhethekileyo lwesantya sokuhamba esiphantsi" (olunokwandiswa okuphezulu kwesignali).
Isantya Sokuhamba Okuphezulu (> 10 m/s)
Ukuhamba ngesantya esiphezulu kudla ngokubangela ingxolo ephazamisayo, kwaye umahluko wexesha lokusasazeka kwamaza e-ultrasonic uba mncinci (okwenza kube nzima ukubamba ngokuchanekileyo), nto leyo enokubangela ukuguquguquka kokuhamba ngokukhawuleza. Kufuneka ukhethe i-flowmeter "yohlobo lwesampulu oluphezulu" (ene-sampulu frequency ≥ 100 Hz) kwaye uqinisekise ukudibana okuqinileyo phakathi kwe-sensor kunye nombhobho (ukunciphisa ukuphazamiseka kokungcangcazela).
Ixesha leposi: Sep-25-2025