LUCIAN GAVRILĂ – Fenomene de transfer II - Cadre Didactice

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3/14/2003 Transfer termic direct fără schimbarea stării de agregare oSuprafaţa de transfer termic solid – fluid este dată de suprafaţa totală a particulelor solide: A = 2 3 oV s = volumul particulelor solide, V om s = masa particulelor solide, d o ρ s = densitatea particulelor solide. s p = 2 3 ρ m s ⋅ s d LUCIAN GAVRILĂ – Fenomene de transfer II 78 p (269)
3/14/2003 Transfer termic direct cu schimbarea stării de agregare LUCIAN GAVRILĂ – Fenomene de transfer II 79
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3/14/2003 TRANSFERUL GLOBAL DE CĂL
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1 1 - transfer convectiv prin filmu
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3/14/2003 TRANSFER TERMIC GLOBAL o
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3/14/2003 TRANSFER TERMIC GLOBAL oL
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3/14/2003 Transfer global de căldu
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T T 1 T 2 3/14/2003 Transfer global
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Page 27 and 28: T 1i T 1i T 2i 3/14/2003 T 2i ΔT T
Page 29 and 30: T 1 3/14/2003 T 2i a) T 2f H = H H
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Page 51 and 52: 3/14/2003 Variaţia temperaturilor
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LUCIAN GAVRILĂ – Fenomene de transfer II - Cadre Didactice

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