Me whai tikanga rere tino matatau ngā mita rere ultrasonic kia tino tika ai te mahi a te mita kia rite ki te mea kua tohua. E rua ngā momo mātāpono ine matua, ko te Doppler me te Transit Time. Me whai i ngā aratohu tāutanga matua e rua hei whakaiti i ngā hapa e puta mai ana i ngā raruraru o te kōtaha rere. Heoi, he rerekē ēnei whakaritenga i runga i te kaihanga, ā, ka ara ake pea ētahi whakapoauau; kua kite mātou i ngā taunakitanga he iti iho i te 10 ngā paipa tika e rere ana i runga ake, me te 5 ngā paipa tika e rere ana i raro iho.
He pūnaha paipa kei roto ngā roa o ngā paipa tika pērā i ngā mea kua whakaahuatia i te Ripanga i raro nei. Ka pā ngā taunakitanga whānui pai rawa atu mō ngā paipa i te taha whakapae me te taha poutū. Ka pā ngā rerenga tika i te Ripanga ki ngā tere wai e 7 FPS [2.2 MPS] te ingoa. I te pikinga o te tere wai i runga ake i tēnei tere ingoa, ka piki ake te hiahia mō ngā paipa tika.
Wā tuku: Oketopa-14-2021