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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 />

oEcuaţia (198) = ecuaţia lui Nusselt pentru<br />

vapori în con<strong>de</strong>nsare pe suprafaţa unei ţevi<br />

verticale, ecuaţie care se mai poate scrie:<br />

1<br />

α = α1<br />

4 H T − T<br />

oîn care α 1 are expresia:<br />

α<br />

1<br />

=<br />

0,<br />

943<br />

⋅<br />

( )<br />

4<br />

v<br />

r<br />

ρ<br />

2<br />

μ<br />

p<br />

g<br />

λ<br />

<strong>LUCIAN</strong> <strong>GAVRILĂ</strong> <strong>–</strong> <strong>Fenomene</strong> <strong>de</strong> <strong>transfer</strong> <strong>II</strong> 37<br />

3<br />

(199)<br />

(200)

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