LUCIAN GAVRILĂ – Fenomene de transfer II - Cadre Didactice
LUCIAN GAVRILĂ – Fenomene de transfer II - Cadre Didactice
LUCIAN GAVRILĂ – Fenomene de transfer II - Cadre Didactice
You also want an ePaper? Increase the reach of your titles
YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.
3/9/2003<br />
CONDENSAREA VAPORILOR<br />
o Viteza medie a con<strong>de</strong>nsatului la distanţa x<br />
faţă <strong>de</strong> capătul peretelui rezultă din<br />
medierea vitezei instantanee, v x, pe<br />
grosimea δ x a filmului:<br />
~ 1 δ x 1 δ x ⎛ ρg<br />
ρ 2 g ⎞ ρg<br />
vx = ∫ v<br />
0<br />
xdx<br />
= ∫ y δ<br />
0 ⎜<br />
⎜−<br />
+ x y dy = δ<br />
δ δ<br />
x<br />
x 2<br />
⎟<br />
⎝ μ μ ⎠ 3μ<br />
(190)<br />
<strong>LUCIAN</strong> <strong>GAVRILĂ</strong> <strong>–</strong> <strong>Fenomene</strong> <strong>de</strong> <strong>transfer</strong> <strong>II</strong> 31<br />
2<br />
x
Change language