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BILANTURI DE MATERIALE SI ENERGIE - Cadre Didactice

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BILANŢ <strong>DE</strong> <strong>MATERIALE</strong> ÎN REGIM NESTAŢIONAR<br />

CU TRANSFORMARE CHIMICĂ<br />

o În aceste condiţii în ecuaţia (42) se<br />

introduce un termen nou, ∂ ∂t<br />

,termen<br />

care exprimă viteza de formare, datorită<br />

reacţiei chimice, a componentului A k.<br />

oEcuaţia (42) devine:<br />

a a a a ∂r<br />

∑<br />

Ak<br />

v ⋅ ρ ⋅ S ⋅ xAk<br />

+ = ∑v<br />

∂t<br />

+<br />

a<br />

x<br />

e<br />

Ak<br />

⋅<br />

∂M<br />

∂t<br />

+<br />

M<br />

⋅<br />

∂x<br />

∂t<br />

e<br />

Ak<br />

r Ak<br />

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

e<br />

e<br />

e<br />

⋅ ρ<br />

⋅<br />

S<br />

e<br />

⋅<br />

x<br />

e<br />

Ak<br />

+<br />

(43)<br />

68

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