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BILANTURI DE MATERIALE SI ENERGIE - Cadre Didactice

BILANTURI DE MATERIALE SI ENERGIE - Cadre Didactice

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

A E<br />

v a ,<br />

ρ a ,<br />

S a<br />

R<br />

v e ,<br />

ρ e ,<br />

S e<br />

oecuaţia bilanţului de materiale în regim<br />

nestaţionar are expresia:<br />

∑a<br />

v<br />

a<br />

∑<br />

a a<br />

e e e ⎛ ∂M<br />

⎞<br />

⋅ ρ ⋅S<br />

⋅dt<br />

+ M = v ⋅ ρ ⋅S<br />

⋅dt<br />

+ ⎜M<br />

+ ⋅dt<br />

⎟ (38)<br />

⎝ ∂t<br />

⎠<br />

e<br />

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

64

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