Te Pātiki Kāruhi i te Rangi: Tauira Whakariterite mō te Tūmomo Ākina me te Weheweherenga o ngā Pūkana Whakaaroaro

Ngā Kāwai Katoa

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Hei whakarerekē te kākano mōhio ki te whenua o ngā waka rā, e tū tonu ana hei matāpuna moenga i ngā waka rā ā-rātū me ngā waka ā-whānui. Ko tēnei matāpuna pūkaha tino pai rawa te manaaki i te rangatira me te wehi nui, ka mahi pai hei whakamahere mō ngā whakahaere i runga i te whenua o ngā waka rā. I te hanganga i ngā waka rā, e whai ake ana ngā pūkaha mōhio i te kākano (CFRP) i waenganui i ngā whare whakahaere utu, e kitea ana i ngā hīrau, ngā whatu tuawhenua, me ngā whatu pūmau. Ko te mana o te wehi ki te mana o te mana, e āwhina ana i ngā hanga i ngā waka rā iti i te mana kai, ahakoa i te mana o te whakahaere. I te kai rā, e kitea ana ngā whatu kākano i waenganui i ngā waka rā ā-rātū, e whakaitihia ana i te mana o te mana me te whakapai i te wehi kai. Ko te wehi ki te wehi me te wehi, e tirotiro ana i te wehi o te hunga, ahakoa i te wehi o te wehi, ka whakaiti i ngā hiahia whakahaere. Ko ngā hanganga pūkaha, pērā i te whakatakoto herehere ā-tau me te hanga herehere ā-momo, ka whakaae mai ki te hanga i ngā whatu whakahaere i te whenua o ngā waka rā. Ko te wehi ki te wehi me te wehi iti o te wehi, ka whaihua noa iho ki te hanga i ngā waka ā-whānui, kei reira ngā matāpuna e taea ana te whakarite i ngā wehewehe wehi. Ka whai whakatupuranga te whenua o ngā waka rā ki ngā whakahaere kākano, ka hanga i ngā momo hanga hou me ngā pūkaha hāpori hei whakapai i te mana me te whakaiti i ngā moni.

Mōhiohanga Hou

Ko te mātāpuna kōkiri he nui ngā pūtake pai ki ngā tūtohu whakahaere i te rāngi, me whiwhi ia i te tikanga moe mahana mo ngā waka rāngi hou me ngā waka ahi. Ko te pūtake pai tuatahi ko tana mana āhuarangi ki te rite taumata, e whakaiti ana i te mana o te waka rāngi i runga i te whakapae i te whakangaro. E whakatutuki ana tēnei i te itinga o te reka uru whenua, i te itinga o ngā utu noho, me te whakaiti i ngā āhuatanga taiao. Ko te tokiroto me te whakahoki ki ngā mate kaiwhiuwī te take mo te roa o te wā i noho ai ngā whatunga whakahaere, e whakaiti ana i te waehau o te whakahaere me ngā utu hiko katoa. Ko te whakahoki pai ki te kōhure e kore e hiahia ana ki te whakamahere i ngā kawe tirotiro me ngā whakawhanake e hiahiatia ana mo ngā whatunga matua. Ko te whakawhanake pai o te mātāpuna e whakaae ana ki ngā hunga hanga ki te hanga i ngā āhua pai whakatupu rahi, ka whai kaha rawa atu ki te hanga i te maha o ngā mātauranga matua. Ko tana whakapae pai i te wehewehe kōwhiti e whakaaetia ana te whai painga pai ki runga i te nui o ngā wāwehenga wehewherangi, e hiahiatia ana mo ngā tūnga ki te rāngi hoki me ngā tūnga ki te kāhui whakahaere. Ka hanga ngā whatunga mātāpuna me te tino marohitia mai i ngā porihanga whakawhanake, e whakaaetia ana te whai painga pai me te whakaiti i ngā whakapiki hoko. Ko ngā pūmanawa tika o te mātāpuna e āhei ana ki te whakaiti i te whakapapa me te reira i ngā kākano waka rāngi, e whakapai ana i te mana o ngā kaiwhakarato. Ko tana āhua e āhei ana ki te whakapai i te mana o ngā mātātuhi rerekē, ka whakapai i te whakahaere mo ngā tūtohu tuku tonu. Ko te whai painga tūmatawhiti o te mātāpuna, ina whakaaetia te itinga o te reka uru whenua, te itinga o ngā whakahaere whakahaere, me te roa o te wā i noho ai, ka whai kaha rawa atu i ngā utu tuatahi. Nā te whai painga hoki i ngā hanganga whakawhanake ka whakaae ana ki te whakapai i ngā whatunga mātāpuna mo ngā tūtohu whakahaere.

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Hona Pūmau Kōwhiringa

Ka whakapā mai tōku kaiwhakapūmau i runga i tēnei wā.
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karbona rau i roto i te whenua rere

Mātauranga Whakariterite Rākau

Mātauranga Whakariterite Rākau

Ko te mōhiohio nui ake o te putaota karbona i ngā whakamahi rākarara he mea taea te whai ake i ngā rauemi tawhito. Ko te whakaheke matua e pā ana ki te whiuwhiutanga molekulara o te putaora, e āheitia ana e ngā take karbona e rua e kiriātia ana, ka hanga i tetahi hokohoko āhuatanga e āhei ana ki te whakapakari me te kawa iti i runga i te whakauru i ngā haraatau tika. Ka puta ko ngā tahuhu e āhei ana ki te whai i te whakatū mai i te wehi kotahi rima neke atu i te inoi mēnā e kitea ana i te aha hei whakapakari i te pakitara, ahakoa ka noho kotahi toru iti i te mana. Ko te mōhiohio nui ake o te pakitara e rangiruatia ana i waenganui i te 3,000 ki te 7,000 MPa, ka āhei ki te takahuri i ngā momo whiuwhiu nui e paunga ana i wā mahi rere. Ko te āhua hei whakatakoto i ngā take karbona ka whakaae ki ngā kaihangarau ki te whakapakari i te wehi i ngā takiwā tino e ai ki ngā take whiu, ka whakapakari i te mātau i te whakariterite rākau. Ko tēnei āhuatanga he mea nui tōnui i te whakatū tahuhu o ngā waka rākau, kei reira ngā taha e pa ana ki ngā momo rerekētanga me ngā whatu whiu.
Nga Painga o te Taiao me te Take

Nga Painga o te Taiao me te Take

Te whakatinanatanga i te karbona rākau ki ngā tūtohu rāhui whakaaro ā-awhi ka tukua iho he mīhinga nui mo te taiao me te āhuatanga ā-moni. Ko te ahua haeretia o te rākau ka hokiwhiti i te kaiwhakahaere pūtētau, ko ngā waka rāhui hou ka puta ake i te 20% pai ake te whakahaere pūtētau i runga i a rātau e taea ana i a rātau mātauanga hanga mai i te rima. Ko tēnei ka hurihia ki te utu iti i waenganui i ngā kaiwhirinaki me te urutahi karbona i whakamahia hei tautoko i ngā hōtaka whakarite whenua. Ko te wā tonu o te tūnga o ngā atihanga karbona, ka kitea i runga i te 20 tau, ka iti i te hiahia ki te whakapakeke me ngā utu whakahaere kitea. Ko te whiuwanga ki ngā huringa taiao, pērā i te whakapakaru me te ira whero UV, ka iti i te hiahia ki te mahi i ngā whakawhanangatanga whaimana me ngā whakamātau anamata, ka iti ake etahi atu utu i roto i te wā o te hunga. Nā te mea hoki ka taea te hanga i ngā atihanga karbona hei whakaae noa i te whakahaere waka, ka iti i te wā kore o te waka me ngā utu mahi whakahaere.
Whakangungu Hanga

Whakangungu Hanga

Kei ngā hanganga whai hua mō ngā whatu karbona hei whakamahinga i te rorohiko, he whakapakari pūkenga matatū i te hunga here. He mea whakangungu ngā rara ki te wāhanga here o ngā whatu, ā, ka tiakina i te paihere o ngā take whakamahi i te hanga o ngā huataki. Ka whakamana ngā tikanga hanga nei i te whakatupu i ngā whare kōpuke nui me ngā whakaheke herehere, e tino iti ana ngā tuarua whakapae, e whakapai ana i te tika whakapuhi katoa o te whare kōpuke. Ka utua te take ki te whakapai i ngā huataki i roto i ngā auwhero, i ngā wāhanga wehewehe o te waimārama me te pāpori, hei whakamana i te hono here-resin, me te iti haere o ngā kōwae. Kei roto hoki i ngā momo hanga ā-rangi nei ngā rara paihere i raro i te wā, ka whakamahi i ngā tirohanga waea me ngā tirohanga ururoa hei tiro whakaheke i ngā mahi kē ki waho i te hanga. Ko te whakapakari tonu ake i ngā tikanga hanga i waho i ngā auwhero kei te whakapakari i te hanga i ngā whatu karbona hei whakamahi motuhake me te whakapai ēneiti.