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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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3/14/2003<br />

Transfer global <strong>de</strong> căldură la<br />

potenţial termic variabil<br />

o Observaţia 2.<br />

În cazul suprafeţelor <strong>de</strong> <strong>transfer</strong> <strong>de</strong><br />

căldură constituite din pereţi cilindrici, în<br />

locul suprafeţei <strong>de</strong> <strong>transfer</strong> A se va<br />

consi<strong>de</strong>ra suprafaţa medie <strong>de</strong> <strong>transfer</strong><br />

(A m), iar coeficientul global <strong>de</strong> <strong>transfer</strong> <strong>de</strong><br />

căldură se va calcula cu relaţia (224).<br />

<strong>LUCIAN</strong> <strong>GAVRILĂ</strong> <strong>–</strong> <strong>Fenomene</strong> <strong>de</strong> <strong>transfer</strong> <strong>II</strong> 43

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