He tikanga māmā, he tikanga whai hua hoki te whakamahi i ngā pā wai hei ine i te rere o te wai i roto i ngā awaawa tuwhera. He ārai te pā wai i te whānui o te awaawa tuwhera e rere ai te wai. Mā te ine i te rere o te wai puta noa i te pā wai, ka taea te tatau i te tere rere rōrahi, arā, te rōrahi o te wai e rere ana i roto i tētahi horahanga whakawhiti i ia wā. He mea nui ngā tātai mō te tatau i te rere rōrahi i roto i ngā pā wai hei mārama me te whakahaere i te rere o te wai i roto i ngā momo tono hangarau me te taiao.
Ko te tātai mō te tatau i te tere rere ā-pū i roto i te pā wai e ahu mai ana i ngā mātāpono o te whārite a Bernoulli, e hono ana i te pēhanga, te tere me te teitei o te wai i ngā pūwāhi rerekē i te taha o te awaawa. Mō ngā pā wai, ka taea te hono i te tere rere i te tihi ki te teitei o te wai i runga ake i te tihi, kia taea ai te tatau i te tere rere ā-pū.
Ka tatauhia te tere rere o te rōrahi i roto i te pā wai penei:
Q = C * L * H^(3/2)
Kei hea:
Q = te tere rere rōrahi (mita pūtoru ia hekona)
C = tauwehenga tukunga parepare
L = te roa o te tihi o te pā
H = te teitei o te wai i runga ake i te tihi o te pā
Ko te tauwehenga tukunga wai (C) he tauwehenga kore-ahu e whakaahua ana i te āhua, te rahi me ngā āhuatanga rere o tētahi wai. Ka whakatauhia mā te whakamātautau, ā, ka rerekē i runga i te momo wai me ngā āhuatanga rere. Ko te roa o te tihi o te wai (L) me te teitei o te wai i runga ake i te tihi o te wai (H) he ine ā-tinana ka taea te ine i te wāhi.
Hei whakamahi i tēnei tātai, me whakatau ngā uara o C, L, me H mā te ine, mā te tātai rānei. Kia mōhiotia ēnei uara, ka taea te tatau i te tere rere o te wai i roto i te pā wai mā te whakamahi i tēnei tātai. He mea tika kia mōhiotia ko tēnei tātai e whakaaro ana he rere pumau, he ōrite te wai puta noa i te tihi o te pā wai, ā, kāore e aro ki te ngaronga pūngao nā te aueue, te waku rānei.
He mea nui te mārama ki te tātai mō te tatau i te rere o te wai i roto i ngā pā wai mō ngā miihini, ngā tohunga wai, me ngā kaipūtaiao taiao e whai wāhi ana ki te whakahaere rauemi wai, te whakahaere waipuke, me te hangarau waipēhi. Mā te ine me te tatau tika i te rere o te wai i roto i ngā pā wai, ka taea te whakatau whai whakaaro mō te tohatoha wai, te matapae waipuke me te aromatawai pānga taiao.
Hei whakarāpopototanga, ko ngā tātai mō te tatau i te rere o te wai i roto i ngā pā wai he taputapu taketake mō te ine i te rere o te wai i roto i ngā awa tuwhera. Mā te whakaaro ki te tauwehenga tukunga o te pā wai, te roa o te tihi o te pā wai, me te teitei o te wai i runga ake i te tihi o te pā wai, ka taea te whakatau i te tere rere o te wai me te tino tika. He mea nui te whakatakotoranga i roto i ngā tono hangarau me te taiao, e whai wāhi ana ki te whakahaere pumau o ngā rauemi wai me te tiaki i ngā rauropi taiao.
Wā tuku: Mei-26-2024