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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 Constantele <strong>de</strong> integrare se obţin din<br />

condiţiile la limită (187):<br />

<strong>–</strong> la y = 0 vx = 0 (la suprafaţa peretelui solid<br />

viteza este nulă)<br />

<strong>–</strong> la y = δx dvx /dy = 0 (la suprafaţa filmului viteza<br />

este maximă)<br />

o Înlocuind (187) în (185) şi (186) rezultă<br />

valorile constantelor <strong>de</strong> integrare:<br />

C<br />

2<br />

= 0 ; C1<br />

=<br />

δ ρg<br />

x<br />

μ<br />

(188)<br />

<strong>LUCIAN</strong> <strong>GAVRILĂ</strong> <strong>–</strong> <strong>Fenomene</strong> <strong>de</strong> <strong>transfer</strong> <strong>II</strong> 29

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