PRENOS TOPLOTE
PRENOS TOPLOTE
PRENOS TOPLOTE
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<strong>PRENOS</strong> <strong>TOPLOTE</strong> – STACIONARNI <strong>PRENOS</strong> <strong>TOPLOTE</strong><br />
Toplotni menjalniki<br />
Φ T , T T2<br />
dA<br />
2<br />
Φ H , T H1<br />
T T<br />
T H<br />
T H2<br />
d(<br />
T<br />
T<br />
−T<br />
H<br />
)<br />
=<br />
⎛<br />
⎜<br />
1<br />
dq<br />
⎝φT<br />
c<br />
pT<br />
1<br />
−<br />
φ c<br />
H<br />
pH<br />
⎞<br />
⎟<br />
⎠<br />
1<br />
T T1<br />
dq<br />
=<br />
d(<br />
T<br />
1<br />
φ c<br />
T<br />
pT<br />
T<br />
−TH<br />
)<br />
1<br />
−<br />
φ c<br />
H<br />
pH<br />
ln<br />
( T<br />
( T<br />
T<br />
T<br />
−T<br />
−T<br />
H<br />
H<br />
)<br />
)<br />
2<br />
1<br />
= U<br />
⋅<br />
⎛<br />
⎜<br />
1<br />
A<br />
⎝φTc<br />
pT<br />
1<br />
−<br />
φ c<br />
H<br />
pH<br />
⎞<br />
⎟<br />
⎠<br />
2<br />
−T<br />
−T<br />
⎛ 1<br />
⎜<br />
⎝φTc<br />
T H<br />
∫ = U⎜<br />
−<br />
⎟ ∫<br />
⎠<br />
1<br />
d(<br />
T<br />
T<br />
T<br />
H<br />
)<br />
pT<br />
1<br />
φ c<br />
H<br />
pH<br />
⎞<br />
A<br />
0<br />
dA<br />
ln<br />
( T<br />
( T<br />
−T<br />
−T<br />
= U<br />
⎛ T<br />
⋅ A⎜<br />
⎝<br />
−T<br />
q<br />
T<br />
−<br />
−T<br />
q<br />
T H 2<br />
T 2 T1<br />
H 2 H1<br />
T<br />
H<br />
)<br />
)<br />
1<br />
⎞<br />
⎟<br />
⎠