HangangaPūtaiao

He aha te mea te pūrere karihi

Ko nga kupu "pūrere karihi" Ko inaianei maheni ki katoa, i roto i te meka, hoko he tohu o te wā. Ahakoa nga fifi pea o te whakamahi i taua whakaaro, i roto i te marama o te kēkeno o hinu ao rāhui reactors wahie karihi e tino whaihua.

He pūrere karihi ko te pūrere engineering, i roto i nei te mana i te tauhohenga te wehenga o fissile rauemi iraruke, haere tahi i te tukunga o te pūngao. Ko te whakaaro matua - te whakatupuranga o te nāianei hiko (tipu te mana karihi - NPP), me te whiwhi i ngā huānga fissile taimaha o te taka pūmotu (faafariuraa). I huihui te pūrere karihi tuatahi, me te hoatu ki te mahi i roto i 1942 i roto i te Hau Amui no Marite i raro i te te tirotiro o te ahupūngao rongonui o tona wa - Enrique Fermi. E toru nga tau i muri i tona piere whakarewahia Canada, a i roto i te 1946 - Russian.

mōhio tatou kotahi ira nui: he tauhou maha iwi ki te kaupapa, maha whakapono e mahia e te pūrere karihi hiko tika, a ka he te reira i te faahopearaa o te wahie fissile iraruke. Kia aroha mai, e kore ko te take tenei. I roto i te ngako, i te pūrere karihi ko te whakamahana nui, ki te kore "reboiler" whakamōhio wera reo e rave mahi whai hua, me te hanga o te hiko i te tikanga o te generator tikanga.

Hei whakahoki maha ngā pātai, whakaaro te wae pūrere karihi. Te hanganga, i tetahi pūrere karihi ngā te huānga e whai ake nei:

- pokapū rohe kaha ki kaiwhakaōrite iramoe nohopuku. Ko te wahi i te tauhohenga wehekarihi tenei;

- apa whakaata ngā iramoe. He mea tika ki te whakaiti i te kătahi o ionizing radiation, me te ki te whakapai ake i te tōtika o te tāutanga;

- tiaki radiation. Ka rite ki te tikanga, arahi whakangungu rakau;

- coolant. tauira katoa o nāianei o reactors ko ha konga mahu'inga;

- karihi pūrere mana tokotoko pirau i roto i te tauhohe;

- meangiti iahiko;

- te huarahi o te mana mamao.

Hoki te mahi o karihi reactors nga kohua i whakamahia konganuku taimaha - konukarihi-233, 235 te konuwhiro-239 ranei. Āhuatanga o enei āhuatanga, ko e ia wae o te wā i roto i to ratou hanganga ngota te whakamamaetia whāwehe noa (wāwāhi). I roto i tenei tukanga, te karihi o te ngota tukua ngā iramoe. Atom ngaro te tahuri (riro) iramoe ki tetahi atu āhuatanga o te ripanga pūmotu. Hei tauira, i roto i te tikanga o te konukarihi-te konuwhiro-238 rite te 239. Patu i runga i ngota pātata o te rauemi wahie ko reira, te whakawhetai ki tona tuku tere tiketike iramoe atu. piki Tapeke i roto i te haereraa - tīmata te tauhohenga mekameka o te wehenga. Ki te i tenei wā kore ki te tango i mahi i runga i ona ture, te hua ko te tauhohenga mekameka karihi whakakeke, tahi e te tuku horonga moni nui o te pūngao (pahūtanga karihi).

Hei te whakahaere i whakamahi e rua tikanga here - te whakauru ki te matua i te kaiwhakaōrite i whakaiti te tere whaiaro patururaa-iramoe ki te tukatuka me te tomo i te maha e hiahiatia ana o rakau mana (cadmium boron ranei) ngongo ngā iramoe te taikaha.

I roto i mahia i te pirau o te karihi wera, e heats he komuhumuhu inu whakawhiti wera (wai), kua tahuri ai ki te mamaoa tītaka te mīhini huri hiko, me te generator hiko.

Tenei kaupapa taketake. He maha ngā momo o reira. Hei tauira, kia tūturu kohua i raro i te pēhanga ranei wai-coolant. hanga te whakamutunga e taea ki te whiwhi superheated korohū, te whakanui ake i te tōtika. I tua atu, he wai - e kore anake te ahua o te coolant (pea te hau ranei te whakarewa wai). Hoki, i roto i te tahi mau putanga o reactors retardant kore te whakamahia.

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