Ko ngā ngoikoretanga o nāianei o te mita rere ultrasonic ko te ātete pāmahana o te tinana rere i inehia e te ātete pāmahana o te konumohe whakawhiti pūngao ultrasonic me te rauemi hononga i waenga i te transducer me te paipa te rohe pāmahana o te tinana rere, ā, kāore i oti ngā raraunga taketake o te tere tuku oro o te tinana rere i inehia i ngā pāmahana tiketike. I nāianei, ka taea anake te whakamahi i Haina hei ine i ngā wai i raro i te 200℃. Hei tāpiri, he uaua ake te raina ine o te mita rere ultrasonic i tērā o te mita rere whānui. Nā te mea ko te tere rere o te wai i roto i te ine ahumahi whānui he torutoru mita ia hekona, ā, ko te tere horapa o te ngaru oro i roto i te wai he tata ki te 1500m/s, ā, ko te huringa o te tere o te oro i puta mai i te huringa o te tere rere o te tinana rere i inehia he 10-3 ngā ota o te kaha. Mena e hiahiatia ana kia 1% te tika o te tere rere ine, me 10-5 ~ 10-6 ngā whakahau o te kaha te tika o te ine o te tere oro, nō reira me whai raina ine tino tika hei whakatutuki, koinei hoki te mita rere ultrasonic ka taea anake te whakamahi i raro i te whanaketanga tere o te hangarau ara iahiko whakauru.
(1) Kāore i te teitei te whānuitanga ine pāmahana o te mita rere ultrasonic, ā, ko te tikanga ka taea anake te ine i ngā wai me te pāmahana i raro i te 200 °C.
(2) He ngoikore te kaha ki te ārai i te pokanoa. He ngāwari te whakararuraru i te haruru ultrasonic e konatunatua ana ki ngā mirumiru, te tauine, ngā papu me ētahi atu pūtake oro, ā, ka pā ki te tika o te ine.
(3) He mea tino hiahiatia te wāhanga paipa tika mō te 20D tuatahi me te 5D whakamutunga. Ki te kore, he ngoikore te horapa, ā, he iti te tika o te ine.
(4) Ka nui te hapa o te inenga rere nā te koretake o te tāutanga.
(5) Ka pā kino te whakawhanuitanga o te paipa ine ki te tika o te ine, ka hua ake he hapa nui o te ine, ā, kāore hoki e kitea he rere i ngā wā tino kino.
(6) Kāore i te teitei te taumata pono me te tika (i te nuinga o te wā tata ki te 1.5 ~ 2.5), ā, he ngoikore te āheinga ki te whakahoki anō.
(7) He poto te roa o te mahi (kotahi tau anake te roa o te wā e taea ai te whakamana i te tika whānui).
(8) Mā te ine i te tere o te wai ka taea te whakatau i te rere o te rōrahi mā te whakamahi i te mita rere ultrasonic. Me ine te rere o te papatipu o te wai. Mā te whakarea i te rere o te rōrahi ki te mātotoru kua whakatakotoria ā-hangai, ka whiwhi te taputapu ine i te rere o te papatipu mā te whakamahi i te taputapu ine i te rere o te papatipu. Ina huri te pāmahana wai, ka huri te mātotoru wai, ā, kāore e taea te kī taurangi i te tika o te rere o te papatipu ina hurihia te mātotoru kua whakatakotoria ā-hangai. Mēnā ka inehia te tere o te wai i te wā kotahi, ka inehia te mātotoru wai, ā, mā te tatau ka taea te whiwhi i te tere rere papatipu tūturu.
(9) Kāore i te tino tika te ine Doppler. He pai te tikanga Doppler mō ngā wai rua-wāhanga kāore i te tino nui te ihirangi rerekē, pērā i te paru kāore i rongoatia, te wai tukunga wheketere, te wai tukanga paru; kāore i te nuinga o te wā e pai ana mō ngā wai tino ma.
Wā tuku: Hakihea-18-2023