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LUCIAN GAVRILĂ – Fenomene de transfer II - Cadre Didactice

LUCIAN GAVRILĂ – Fenomene de transfer II - Cadre Didactice

LUCIAN GAVRILĂ – Fenomene de transfer II - Cadre Didactice

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3/9/2003<br />

FIERBEREA LICHIDELOR<br />

o La creşterea temperaturii suprafeţei<br />

încălzitoare se pot observa următoarele<br />

fenomene:<br />

<strong>–</strong>laTp < Tf , lichidul se încălzeşte şi se<br />

vaporizează fără să fiarbă;<br />

<strong>–</strong> când Tp >Tf , lichidul începe să fiarbă;<br />

intensitatea fierberii creşte cu creşterea<br />

diferenţei ∆T = Tp <strong>–</strong>Tf ;<br />

<strong>LUCIAN</strong> <strong>GAVRILĂ</strong> <strong>–</strong> <strong>Fenomene</strong> <strong>de</strong> <strong>transfer</strong> <strong>II</strong> 6

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