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 />
CONDENSAREA VAPORILOR<br />
o Din (195) rezultă expresia grosimii filmului<br />
<strong>de</strong> con<strong>de</strong>nsat la nivelul x:<br />
δ<br />
x<br />
=<br />
4<br />
4<br />
μ<br />
⋅<br />
λ<br />
r<br />
⋅<br />
⋅<br />
( ) T −T<br />
x ⋅ v p<br />
ρ<br />
o Coeficientul local <strong>de</strong> <strong>transfer</strong> termic va fi:<br />
α<br />
x<br />
=<br />
λ<br />
δ<br />
x<br />
=<br />
4<br />
r<br />
⋅<br />
2<br />
⋅<br />
ρ<br />
g<br />
2<br />
( ) T −T<br />
(196)<br />
(197)<br />
<strong>LUCIAN</strong> <strong>GAVRILĂ</strong> <strong>–</strong> <strong>Fenomene</strong> <strong>de</strong> <strong>transfer</strong> <strong>II</strong> 35<br />
g<br />
3<br />
4μ ⋅ x ⋅ v p<br />
⋅<br />
⋅<br />
λ