Isimiso sokusebenza kwesikhathi sokuhamba
Isimiso Sokulinganisa:
IIsikhathi sokuhambaIsimiso Sokuxhumana sisebenzisa iqiniso lokuthi isikhathi sokundiza kwesignali ye-ultrasonic sithinteka yijubane lokugeleza kwe-carrier medium. Njengomuntu obhukudayo ohamba ngendlela yakhe emfuleni ogelezayo, isignali ye-ultrasound ihamba kancane phezulu kunokwehla.
OkwethuAmamitha okugeleza e-ultrasonic e-TF1100sebenza ngokwalesi simiso se-transit-lime:
Vf = Kdt/TL
Kuphi:
Ijubane le-VcFlow
K: Okuhlala Njalo
i-dt: Umehluko ngesikhathi sokundiza
TL: Isikhathi Sokuhamba Esigcwele Ulaka
Uma i-flow meter isebenza, ama-transducer amabili adlulisa futhi athole izimpawu ze-ultrasonic ezikhuliswa yi-multi beam ehamba kuqala phansi bese ikhuphuka. Ngenxa yokuthi umsindo we-ultra uhamba ngokushesha phansi kunowe-upstream, kuzoba nomehluko wesikhathi sokundiza (dt). Uma ukugeleza kumile, umehluko wesikhathi (dt) u-zero. Ngakho-ke, uma nje sazi isikhathi sokundiza kokubili phansi naphezulu, singabala umehluko wesikhathi, bese kuba yijubane lokugeleza (Vf) ngale ndlela elandelayo.
Indlela ye-V
Indlela ye-W
Indlela ka-Z