He pai te mita kore-pā mō te ine i te wai me te rere o ngā paipa, he uaua ki te pā atu, ki te tirotiro hoki. Ka taea te hono atu ki te ine taumata wai hei ine i te rere o te wai tuwhera. Kāore e hiahiatia he wāhanga ine mō te whakamahi i te ōwehenga rere ultrasonic ki roto i te wai, nō reira kāore e whakarerekē i te āhua rere o te wai, kāore he ātete tāpiri, kāore te tāutanga me te tiaki i te taputapu e pā ki te mahi o te paipa whakaputa, nō reira he mita rere penapena pūngao tino pai.
E mōhio ana tātou katoa, ko te ine rere ā-umanga he raruraru whānui o te diameter, he uaua te ine rere nui, nā te mea ka nui haere te diameter o te mita rere, ka uaua te hanga me te kawe, ka piki ake te utu, ka piki ake te mate, ehara i te mea ko tēnei ngoikoretanga anake te tāutanga, engari ka taea te karo i te mita rere ultrasonic. Nā te mea ka taea te tāuta i ngā momo mita rere ultrasonic katoa ki waho o te ngongo, ka taea te ine rere kore-pa, kāore he pānga o te utu taputapu ki te diameter o te paipa kei raro i te whakamātautau, ā, ka nui ake te utu o ētahi atu momo mita rere ina nui haere te diameter, nō reira, ko te nui ake o te diameter o ngā mita rere ultrasonic i te mahi kotahi o ētahi atu momo mita rere, ko te pai ake o te ōwehenga utu mahi. E kiia ana he mita pai ake mō te ine i te rere o ngā paipa nui. Ka taea e te mita rere ultrasonic Doppler te ine i te rere o te reo rua-wāhanga, nō reira ka taea te whakamahi mō te ine i te paru me te rere o te paru. I roto i ngā tipu hiko, he pai ake te ine i te rere o ngā paipa nui pēnei i te tomokanga wai o te tāpine me te wai e rere ana o te tāpine mamaoa e te mita rere ultrasonic kawe. Ka taea hoki te whakamahi i te wai rere ultrasonic mō te ine hau. Ko te whānui o ngā paipa kei waenga i te 2cm ki te 5m, mai i ngā awa tuwhera me ngā paipa wai he torutoru mita te whānui ki ngā awa he 500m te whānui.
Hei tāpiritanga, kāore te tika o te ine i te rere o te ultrasonic i roto i te taputapu ine e pāngia ana e te ine i te pāmahana o te tinana. Ko ngā pānga o ngā tawhā pēnei i te pēhanga, te matotoru, te mātotoru, ā, ka taea te hanga hei taputapu ine kore-pa atu me te kawe, ka taea te whakaoti i te raruraru ine rere o te reo i roto i tētahi atu momo uaua ki te ine mā te taputapu he ātete kaha ki te waikura, te kawe hiko, te irahiko me te mura me te pahū. Hei tāpiritanga, i runga i ngā āhuatanga ine kore-pa atu, me te ara iahiko hiko whaitake, ka taea e tētahi taputapu te urutau ki ngā momo ine diameter paipa me ngā momo ine whānuitanga rere. Kāore hoki te urutau o te mita rere ultrasonic e rite ki ētahi atu taputapu. Kei te mita rere ultrasonic ētahi o ngā painga o runga ake nei, nō reira he nui ake te aro me te whanaketanga o te raupapa hua, kua hangaia hei taputapu paerewa hongere rerekē, pāmahana teitei, ātete-pahū, momo mākū hei urutau ki ngā momo pāpāho rerekē, ngā wā rerekē me ngā āhuatanga ine rere o te paipa.
Wā tuku: 22 o Ākuhata-2022