HangangaPūtaiao

Ko te turanga o te engineering hiko hou - te āhuatanga o te whakaurutanga hiko

Ko te āhuatanga o te arataki hiko i roto i te engineering hiko ko te turanga. Kua Kua empirically kitea te reira i whakahokia i roto i te matahiti 1831 i te ahupūngao English Michael Faraday. I a mohiotia ai e waenganui i te kaiwhakahaere me te autō kei tata te pāhekoheko puta. I whakapono te reira e te tiaki i whakaritea taunekeneke mā te mara hiko, me o ratou kaupapa (nāianei) whakakitea te roto i te papa autō. Heoi, i marama te anga o te whakamahi mahi o tenei matauranga ki hua whakamātautau o Faraday. I roto i te meka, te pūtaiao e kitea te āhuatanga o te whakaurutanga hiko, tohua te timatanga o nga taketake o te engineering hiko hou.

Experience ano i tino ohie: he pae aukume tūturu timata ki te neke, ka i whakaingoatia i roto i te wāhi pokapū i waenganui i nga hohoko o te pōkai. i hono whakatau pōkai ki te pūrere pūoko mō te ine uara iti o nāianei, me te ngaohiko.

Kua ite te reira e ka neke aukume galvanometer ngira deviates i te pūwāhi kore. Na ko nui te ine, oho te aukume te ake inarā. Ki te mahara tatou e kua reira rārangi pou e rua, me te mara kaha, riro te reira hononga kitea i waenganui i te rere autō, me te nāianei piri hanga.

Mai kore e taea e māhorahora whakatika nāianei i roto i te ara iahiko, te mutunga arorau o te ahua o te kaha Pūngao i hanga (EMF), e, i roto i te tahuri, ka taea ki a koe riro nāianei. ture o te arataki a Faraday taea ki tatou kī e te pānga ki te kaiwhakahaere papa autō rerekē i roto i te wa ko te take o te huri i te mara hiko, me te, ki te te nāianei ara iahiko kati.

Ko te āhuatanga o te arataki hiko tukua ki a ia te hanga i te mutunga orurehau e meinga kia te mara hiko nga utu kore anake, engari ano hoki i te rerekē papa autō. I muri i whakatakoto ai whakatau. Ko te kupu, te ture a Faraday o arataki hiko, kī e: hangaia e te EMF papa autō ko tika ti'aturi i runga i te tere o te huringa o te rere autō. tatau te kaha o te nāianei hangaia e te koropiko kati te rite ki te ture a Ohm.

he āhuatanga hoki kaiwhakahaere e kore anake engari ano hoki tinana conductive nui te āhuatanga o te whakaurutanga hiko. Ko te kupu, hua te mara autō te huri i roto i te kaiwhakahaere matotoru (pereti rino, me te pera atu.) Eddy ngā. meinga ratou whakawera e hiahiatia, na nga tikanga rerekē e whakamahia ana ki te whakakore i ratou (i roto i transformers laminations paraharaha o hiko maitai). Kia mahara e roto i te tahi mau whakaaro, kei te whakamahia ngā Eddy (porotiti kōpae kaute).

I maoro, i roto i 1833, te ahupūngao E. Lentz arahina te tikanga, i runga i te pūtake o nei, emf piri hua te nāianei o taua aronga ki te haamou i te take o tona ahua. Hei tauira: te huri papa autō te Kereru te nāianei i roto i te pēne. Kei te hangaia te reira na e ona ake autō (i te mea reira a tawhio noa te conductors nāianei-e mau) counteracted take pakiaka.

Ko te āhuatanga o te arataki hiko tukua ki te whakawhanake i engineering hiko ki tona āhua o nāianei. He uaua ki te tapaea he rārangi ki tonu i te taputapu e whakamahia ana te reira. Hei tauira, te mahi o generators i roto i ngā tipu te mana i runga i tenei āhuatanga. Heoi, kua pehia te hoahoa whakatupuranga kaha te huringa nui mai i te Faraday, Heoi, tonu te parau tumu whānui te taua: ko te rārangi o te papa autō whakawhiti ki te auautanga tiketike kopiko whakahaerenga o nāianei, hua i roto i te ope Pūngao me, ki te te koropiko kati nāianei hiko. I tua atu generators me motors, kua whakamahia arataki tītohunga, hei tauira, i roto i transformers.

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