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ou1-c10-evaporarea - Cadre Didactice

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Transfer de caldura in evaporatoare<br />

o Coeficientul global de transfer termic, K,<br />

este functie de:<br />

– Constantele fizice ale solutiei [π = π(x, T)]<br />

– Adancimea stratului de lichid din evaporator;<br />

– Felul si intensitatea circulatiei solutiei in<br />

evaporator;<br />

– Existenta depunerilor pe suprafetele de<br />

incalzire;<br />

– Geometria spatiului de fierbere;<br />

o Nu exista relatii de calcul universale;<br />

o K = 1 ÷ 10 3 W/(m 2 .K)

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