I roto i te rāngai pūngao hou e tere tipu haere ana, ko te pūngao o te rā tētahi o ngā otinga tino whai hua mō te whawhai ki te huringa āhuarangi me te whakaiti i te whakawhirinaki ki ngā wahie pūmua. Kei te ngākau o te hangarau panera rā tētahi wāhanga nui, e warewarehia ana: ko te kiriata ethylene vinyl acetate (EVA). He mea nui tēnei rauemi maha-whakamahinga ki te whai huatanga, te roa, me te mahi whānui o ngā panera rā, ā, koia te tūāpapa o te hangarau rā.
Kiriata EVAHe pūhui kirihou wera e whakamahia whānuitia ana i roto i te hanga o ngā panera rā. Ko tana mahi matua he whakakī i ngā pūtau photovoltaic (PV), hei tiaki i a rātou mai i ngā āhuatanga taiao pēnei i te makuku, te puehu, me te ahotea miihini. He mea nui tēnei tukanga whakakī i te mea ka roa te ora me te pono o ngā panera rā, e hangaia ana kia 25 tau, neke atu rānei. Ki te kore he kiriata EVA, ka pāngia ngā pūtau PV pakarukaru e ngā āhuatanga o te rangi, ka heke te mahi, ka heke hoki te putanga pūngao.
Ko tētahi painga matua o te kiriata EVA ko ōna āhuatanga whatu tino pai. Mā tōna māramatanga tino pai ka nui ake te mimiti o te rā e tae atu ana ki ngā pūtau rā. He mea nui tēnei āhuatanga hei whakapai ake i te whai huatanga o te panera rā, nā te mea ahakoa he iti noa te hekenga o te tuku mārama ka pā nui ki te whakaputa hiko. Hei tāpiri, mā te iti o te taupū whakaata o te kiriata EVA ka whakaitihia te whakaata mārama, ka tino pai ake te hurihanga o te pūngao rā ki te hiko.
He rongonui hoki te kiriata EVA mō ōna āhuatanga piri tino pai. Ka piri pai ki ngā momo rauemi, tae atu ki te karāhe me te silicon, kia mau ai te hiri kaha, pakari hoki ki ngā pūtau rā. He mea nui tēnei piri hei ārai i te urunga mai o te makuku, ka arahi pea ki te waikura me ētahi atu momo kino. Ka mau tonu te kounga o te kiriata EVA i roto i te wā, ahakoa i roto i ngā āhuatanga huarere kino, e whakaatu ana i tōna hiranga i roto i te hangarau panera rā.
Ko tētahi atu āhuatanga nui o te kiriata EVA ko tōna pumau i te wera. He maha ngā wā ka pāngia ngā panera rā e ngā pāmahana teitei, ā, me kaha ngā rauemi e whakamahia ana i roto i tō rātou hanganga ki te tu atu i ēnei āhuatanga me te kore e whakararu i te mahi. Mā te ātete wera pai o te kiriata EVA ka noho haumaru tonu ngā pūtau photovoltaic kua kapihia, ā, ka mahi tika, ahakoa i roto i ngā āhuarangi wera rawa. He tino whai hua tēnei āhuatanga mō ngā whakaurunga pūngao rā i ngā rohe he nui te hihi o te rā, ā, ka piki ake te pāmahana.
Haunga ōna āhuatanga tiaki, ka whakarei ake te kiriata EVA i te ataahua whānui o ngā panera rā. Ka hoatu e te kiriata mārama he āhua hou, he ātaahua hoki ki ngā panera rā, ā, ka ātaahua ake ki ngā kāinga me ngā pakihi. I te mea kei te tipu haere tonu te hiahia mō te pūngao rā, kei te piki haere te hiranga o te putanga mai o te hangarau rā hei whakatairanga i tōna whakamahinga.
I te mea kei te haere tonu te auahatanga o te umanga pūngao rā, he mea nui tonu te kiriata EVA. Kei te tūhuratia e ngā kairangahau ngā whakatakotoranga hou me ngā whakapainga hei whakapai ake i tana mahi, pērā i te whakarei ake i te ātete ki ngā hihi UV me te whakaiti i tōna pānga ki te taiao. Mā ēnei whanaketanga ka whakarite kia tutuki tonu te kiriata EVA i ngā hiahia e whanake haere ana o te hangarau pūngao rā, ā, ka whai wāhi atu ki te whakawhiti ā-ao ki te pūngao pumau.
Hei whakarāpopototanga,Kiriata EVAKoia nei te tūāpapa o te hangarau o ngā panera rā. Nā ōna āhuatanga tiaki, whatu, piri, me te wera pai rawa atu, he mea nui tēnei hei hanga i ngā panera rā whai hua, pakari hoki. I te hurihanga o te ao ki ngā otinga pūngao hou, kāore e taea te whakanui rawa i te hiranga o te kiriata EVA ki te whakatairanga i te hangarau rā. He mea nui tana mahi ki te whakarite i te roa me te mahi a ngā panera rā, ka haere tonu tēnei ki te akiaki i tā tātou whai i tētahi heke mai ma, pumau hoki.
Wā tuku: Hepetema-26-2025