I ngā tau 1930, ko tetakirere pūrerehuai hangaia i te Hononga o Amerika, ā, i ngā tau 1950, i whakaurua ki Hapani. Ahakoa kāore i whakamahia whānuitia i Hapani tae noa ki ngā tau 1960, kāore i tino rongonui i konei tae noa ki ngā tau 1970.
Ko ngā āhuatanga matua o te takirere pūrerehua ko tōna mama, he iti te tapuwae tāutanga, me te iti o te taipana whakahaere. Tata ki te 2T te taumaha o te takirere pūrerehua, ko te takirere kuaha ia tata ki te 3.5T, mā te whakamahi i te DN1000 hei tauira. He kaha te pakari me te pono o te takirere pūrerehua, ā, he ngāwari ki te whakauru ki ngā momo tikanga taraiwa rerekē. Ko te ngoikoretanga o te takirere pūrerehua hiri-rapa, ina whakamahia hētia hei takirere whakatere, ka puta te cavitation, ka pakaru te nohoanga rapa. Nō reira, ko te kōwhiringa tika, ka whakawhirinaki ki ngā tono o ngā āhuatanga mahi. Ko te tere rere ka huri rārangi hei mahi a te whakatuwheratanga o te takirere pūrerehua.
Ki te whakamahia hei whakahaere i te rere, he hononga tata tōna āhua rere ki te ātete rere o te paipa. Hei tauira, ka rerekē te tere rere o ngā takirere mēnā e rua ngā paipa he rite te whānui me te āhua o te takirere, engari he rerekē ngā tauwehenga ngaronga o te paipa. Tērā pea ka puta te poka i te tuara o te pereti takirere i te wā e noho ana te takirere i te tūranga whakawhāiti nui, ka kino pea te takirere. He maha ngā wā ka whakamahia ki waho i te 15°.
Tetakirere pūrerehuaka hanga i tētahi āhua motuhake ina kei waenganui o tōna whakatuwheratanga, ina kei waenganui te pito o mua o te pereti pūrerehua me te tinana takirere i te kakau takirere. Ka neke te pito o mua o tētahi pereti pūrerehua i te ahunga kotahi.
Nā reira, ko te taha kotahi o te tinana takirere me tetakirereKa honoa te pereti hei hanga i tētahi kōhao rite ki te pūwero, ko tētahi taha ia he rite ki te pūwero. Ka wetekina te hiri rapa. Ka rerekē te taipana mahi o te takirere pūrerehua i runga i ngā aronga whakatuwheratanga me te katinga o te takirere. Nā te hohonutanga o te wai, kāore e taea te wareware i te taipana i puta mai i te rerekētanga i waenga i ngā pane wai o runga me raro o te kakau takirere mō ngā takirere pūrerehua whakapae, inā koa ngā takirere whānui.
Hei tāpiritanga, ka puta he rere whakarara, ā, ka piki ake te taipana ina whakaurua he tuke ki te taha tomo o te takirere. Nā te pānga o te taipana rere wai ina kei waenganui o te whakatuwheratanga te takirere, me raka-ā-ia anō te tikanga mahi.
Wā tuku: Whiringa-ā-rangi 17-2022