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LUCIAN GAVRILĂ – Fenomene de transfer II - Cadre Didactice

LUCIAN GAVRILĂ – Fenomene de transfer II - Cadre Didactice

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3/9/2003<br />

CONDENSAREA VAPORILOR<br />

o Din consi<strong>de</strong>rente <strong>de</strong> conservare a energiei, fluxul<br />

termic transmis convectiv <strong>de</strong> către pelicula <strong>de</strong><br />

con<strong>de</strong>nsat spre perete = fluxul termic generat <strong>de</strong><br />

căldura latentă <strong>de</strong> con<strong>de</strong>nsare, adică:<br />

λ<br />

⋅<br />

( ) T −T<br />

⋅dx<br />

= r ⋅m<br />

x<br />

v p<br />

(193)<br />

δ x<br />

or = căldura latentă <strong>de</strong> con<strong>de</strong>nsare,<br />

oTv = temperatura vaporilor,<br />

oTp = temperatura peretelui,<br />

o λ = conductivitatea termică a con<strong>de</strong>nsatului.<br />

<strong>LUCIAN</strong> <strong>GAVRILĂ</strong> <strong>–</strong> <strong>Fenomene</strong> <strong>de</strong> <strong>transfer</strong> <strong>II</strong> 33

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