Zvinhu zve open coil ndizvo zvinonyanya kushanda zvakanaka pakupisa magetsi asi zvichiri nyore kushandisa pakupisa. Zvinoshandiswa zvakanyanya muindasitiri yekudziyisa ducts, zvinhu zve open coil zvine ma open circuits anopisa mhepo zvakananga kubva kuma suspended resistive coils. Izvi zvinhu zvekudziyisa zveindasitiri zvine nguva yekupisa nekukurumidza izvo zvinovandudza kushanda zvakanaka uye zvakagadzirwa kuti zvisanyanya kugadziriswa uye zvikamu zvinotsiva zviri nyore uye zvisingadhuri.

Maovheni emhepo anovhurika anogadzira mhepo inodziya inoburitsa nzvimbo yepamusoro yechinhu chinodziya zvakananga kumhepo inoyerera. Sarudzo ye alloy, saizi, uye waya gauge zvinosarudzwa zvine hungwaru kugadzira mhinduro yakasarudzika zvichienderana nezvinodiwa zvechishandiso. Zvinodiwa zvekutanga zvekushandisa zvinosanganisira tembiricha, kufamba kwemhepo, kumanikidzwa kwemhepo, nharaunda, kumhanya kwe ramp, frequency yekufamba kwemhepo, nzvimbo chaiyo, simba riripo, uye hupenyu hwehita.

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