Whaiwāinga Mātai Pāpaku me te Titaha o te Viscosity
Ko ngā pūkenga pūmahara o te pūmahara me te whakahaere i te uhuatanga o te mātai arotai hoki ki te raima e tohu ana i te hangarau hou e whai nei ki tētahi o ngā āhuatanga wera rawa atu o te mahi o te punaha kōpae hydrau. E mātau ana ngā mātai noa i ngā panonitanga o te wera e taea ai te painga nui ki te mahi o te kōpae, engari ko ngā mātai hou ka whakauru ngā kaiwhakapai uhuatanga matatau me ngā kaiwhakapai pūmahara e mau ai ngā āhuatanga rere tika i roto i ngā waerenga wera tino. I ngā takotoranga makariri, ka tino pīroiroi ai ngā reanga arataki, ka hiahiatia he pihiatanga pū hāngai ake kia rere ai, ā, ka taea pea te whakaroa i te urupare o te kōpae, i te pānga rānei ki te punaha. Ka mau te rerekētanga o te mātai arotai hoki ki te raima i ngā wāhanga rerehua, e whakawātea ai i te āwhina tūmatanui ina tīmata ana ngā mōhinu makariri, ā, ka aukati i te urupare pakipaki, i te whakaroa rānei e taea ai te pa i te haumātao o te taraiwa. I te tēnei, i ngā taiao wera hoki pērā i ngā tūranga me ngā haerenga, i te wera o te pouaka mōhini, i ngā takotoranga rohe korokoro rānei, ka tino raruraru pea ngā mātai iti ake, e rite ana ki te iti ake i te uhaunga hydrau, ki te piki ake o te whārai o waho, me te iti ake o te āwhina hiko. Ka pakari te mātai arotai hoki ki te raima ki te pūmahara, ā, ka mau tonu tana uhuatanga tiaki hoki i ngā wā e mahi ana i ngā wera roa, e pupuri ai i te āwhina katoa, ā, e tiaki ai i ngā wāhanga o te punaha mai i te wearu tino. Ko te hangarau whakahaere uhuatanga hoki e whakarite ana i te ahua kōpae tautoko ahakoa te wera o te mahi, e tuku ana i ngā kaitaraiwa ki te urupare kōpae tika, tōrite e hāpai ana i te whakahaere waka, i te whakapono taraiwa hoki. Ko te pūmahara tino e hāngai ana ki ngā wā tāpoi roa ake, ki ngā here tāpoi iti ake, me te pai ake o te punaha i te roa o te ora o te waka. He tino whai hua ake mō ngā kaitūāhuru o ngā tīma i tēnei mahi pūmahara hou, nā te mea ka iti ake ngā karanga tāpoi, ka iti ake ngā whakawā o ngā kaitaraiwa mō te mahi o te kōpae, ā, ka whakarite kia ū tonu te mahi o ngā waka i ngā wāhi rerekē, i ngā āhuatanga āhuarangi rānei kei te taea ai ngā panonitanga o te wera te pa ki te mahi me te pūmahara o te punaha kōpae.