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 />
Variaţia temperaturilor<br />
în timp şi în spaţiu<br />
o Valoarea temperaturii medii a fluidului (2)<br />
la ieşirea din serpentină, T 2m rezultă din<br />
ecuaţia:<br />
o<strong>de</strong> un<strong>de</strong>:<br />
( ) T<br />
m<br />
− T<br />
0<br />
⋅t<br />
= K ⋅ A⋅<br />
ΔT<br />
*<br />
⋅ t<br />
Q = m ⋅ c ⋅ p<br />
m<br />
2<br />
2<br />
2<br />
K<br />
T<br />
m<br />
= ⋅ ΔT<br />
*<br />
2<br />
m<br />
m ⋅ c 2 p2<br />
⋅<br />
2<br />
A<br />
+<br />
(262)<br />
<strong>LUCIAN</strong> <strong>GAVRILĂ</strong> <strong>–</strong> <strong>Fenomene</strong> <strong>de</strong> <strong>transfer</strong> <strong>II</strong> 70<br />
T<br />
0<br />
2<br />
(263)
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