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Incalzirea - Cadre Didactice

Incalzirea - Cadre Didactice

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INCALZIREA PRIN REZISTENTE ELECTRICE<br />

o Incalzire directa:<br />

Rezistenta este chiar materialul care<br />

trebuie incalzit (EX: fabricarea carburii<br />

de siliciu, a electrografitului, topirea<br />

sticlei)<br />

o Incalzire indirecta:<br />

Rezistenta este formata din elemente<br />

incalzitoare care transmit caldura<br />

materialului de incalzit prin radiatie,<br />

conductie, convectie.

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