ou1-c5-sedimentarea - Cadre Didactice

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F R 4/19/2003 F G Viteza de sedimentare F A R F R F A F G 1) ρ p > ρ l 2) ρ p < ρ l Lucian Gavrila – OPERATII UNITARE I R Forţe care acţionează asupra unei particule sferice imersate într-un lichid 14
4/19/2003 Viteza de sedimentare o Dacă particula este sferică, expresiile celor trei forţe care acţionează asupra sa vor avea forma: πd F = m g = p ρ g G p 6 p πd F = m g = p A l 6 l F R = ξ v 2 2 ρ l π d 4 3 3 2 p ρ g (3) (4) (5) Lucian Gavrila – OPERATII UNITARE I m p = masa particulei [kg], m l = masa volumului de lichid dislocuit de particulă [kg], d p = diametrul particulei [m], ρ p = densitatea particulei [kg/m 3 ], ρ l = densitatea lichidului [kg/m 3 ], g = acceleraţia gravitaţională [m/s 2 ], ξ = coeficientul de rezistenţă al mediului [adimensional], v = viteza de deplasare a particulei [m/s]. 15
Page 1 and 2: 4/19/2003 SEDIMENTAREA Lucian Gavri
Page 3 and 4: 4/19/2003 SEDIMENTAREA o Sedimentar
Page 5 and 6: 4/19/2003 SEDIMENTAREA 1. suspensie
Page 7 and 8: 4/19/2003 SEDIMENTAREA o decantare
Page 9 and 10: 4/19/2003 SEDIMENTAREA o Sedimentar
Page 11 and 12: Grupa de factori Factori referitori
Page 13: 4/19/2003 Viteza de sedimentare o S
Page 17 and 18: 4/19/2003 Viteza de sedimentare o E
Page 19 and 20: Expresia coeficientului ξ funcţie
Page 21 and 22: 4/19/2003 Viteza de sedimentare oRe
Page 23 and 24: 4/19/2003 Viteza de sedimentare o v
Page 25 and 26: ξ 4/19/2003 Influenţa factorului
Page 27 and 28: 4/19/2003 Ecuatii criteriale o Pent
Page 29 and 30: 4/19/2003 Ecuatii criteriale o Crit
Page 31 and 32: o Algoritm de calcul: v 0 4/19/2003
Page 33 and 34: 4/19/2003 Ecuatii criteriale o Pent
Page 35 and 36: 4/19/2003 Ecuatii criteriale o Diam
Page 37 and 38: 4/19/2003 Mecanismul sedimentării
Page 39 and 40: 4/19/2003 Sedimentarea floculantă
Page 41 and 42: 0,0 0,6 1,2 1,8 4/19/2003 Adâncime
Page 43 and 44: 4/19/2003 Sedimentarea frânată Î
Page 45 and 46: 4/19/2003 Sedimentarea frânată o
Page 47 and 48: 4/19/2003 Dimensionarea bazinelor d
Page 49 and 50: 4/19/2003 Sedimentarea discontinuă
Page 51 and 52: 4/19/2003 Sedimentarea continuă î
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4/19/2003 Sedimentarea continuă î
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4/19/2003 Tipuri de decantoare o De
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4/19/2003 Tipuri de decantoare Luci
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4/19/2003 Decantoare verticale Luci
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4/19/2003 Decantoare radiale Lucian
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4/19/2003 Decantoare radiale Lucian
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M V a M V M V M V b c 4/19/2003 MV
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1 4/19/2003 5 Sedimentarea continu
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4/19/2003 Characteristics of differ
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4/19/2003 Characteristics of Degré
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4/19/2003 Lucian Gavrila - OPERATII
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4/19/2003 Exemple de decantoare lam
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4/19/2003 Exemple de decantoare lam
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4/19/2003 LIMPEZITOARE oAlcatuitdin
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4/19/2003 Limpezitor “Pulsator”
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4/19/2003 Limpezitor “Superpulsat
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4/19/2003 Decantoare transformate i
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4/19/2003 Decantoare transformate i
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4/19/2003 SEPARAREA SUSPENSIILOR L-
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4/19/2003 SEPARAREA SUSPENSIILOR L-
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4/19/2003 Vase florentine din ind.
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ou1-c5-sedimentarea - Cadre Didactice

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