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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3/14/2003<br />
Transfer global <strong>de</strong> căldură la<br />
potenţial termic constant<br />
o Fluxul termic <strong>transfer</strong>at prin filmul <strong>de</strong> fluid<br />
(1) are expresia:<br />
o Fluxul termic <strong>transfer</strong>at prin peretele solid<br />
are expresia:<br />
( ) T T<br />
Q = α ⋅ A ⋅ −<br />
s1<br />
1 1 p1<br />
λ<br />
=<br />
δ<br />
( ) T T<br />
Q ⋅ A⋅<br />
−<br />
s2<br />
p1<br />
p2<br />
(212)<br />
(213)<br />
<strong>LUCIAN</strong> <strong>GAVRILĂ</strong> <strong>–</strong> <strong>Fenomene</strong> <strong>de</strong> <strong>transfer</strong> <strong>II</strong> 12
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