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BILANTURI DE MATERIALE SI ENERGIE - Cadre Didactice

BILANTURI DE MATERIALE SI ENERGIE - Cadre Didactice

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BILANŢUL TERMIC<br />

oPentru substanţe pure, capacitatea termică<br />

molară la presiune constantă, definită prin relaţia:<br />

⎛ ∂H<br />

i<br />

C pi ⎜ ⎟<br />

⎝ ∂T<br />

⎠ P<br />

este corelată cu temperatura sub prin intermediul<br />

unor ecuaţii de tipul:<br />

C<br />

C<br />

C<br />

pi<br />

pi<br />

pi<br />

=<br />

=<br />

=<br />

a<br />

d<br />

g<br />

i<br />

Lucian Gavrila – Bilanturi de materiale si de energie<br />

⎞<br />

= (59)<br />

i<br />

i<br />

+<br />

+<br />

+<br />

b<br />

e<br />

h<br />

i<br />

i<br />

i<br />

⋅T<br />

⋅T<br />

⋅T<br />

i<br />

+<br />

+<br />

c<br />

f<br />

i<br />

i<br />

⋅T<br />

⋅T<br />

2<br />

−2<br />

(60)<br />

104

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