Sample Calculatio1of m5

# Sample Calculatio1of m5 - Sample Calculation(Based on 3...

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Unformatted text preview: * Sample Calculation (Based on 3 bladed impeller with 275 rpm): ∑d • davg = • Table 1: t (m) 0.00 3.00 6.00 9.00 • * Calculation of ρ : 1 π3 π Davg = (1.86) 3 = 3.37cm 3 6 6 V = 3.37 x 10-6 m3 for 3 balls: 3(3.37 x 10-6) V = 1.01 x 10-5 m3 M 0.01539 ρs = = V 1.01x10 −5 ρ = 1517.8 kg/m3 = 16.21 / 9 = 1.80 cm n (M / M0)1/3 1.00 0.94 0.89 0.83 M (g) 15.33 12.81 10.80 8.90 Straight line equation: y = -0.0004 x + 1.0037 4πn slope = − 3M ρ 2 0s slope = - 0.0004 1/ 3 K LS C sat [ -0.0004 = - 4pi (3) /3(0.01533)(1517.8)2 1/3 KLS (1613) -0.0004 = - 114.3 KLS KLS = 3.50 x 10-6 m/s. * Theoretical Calculation of KLS: T Sh = 0.046 Re 0.283 Ga 0.173U −0.011 ( ) 0.019 Sc 0.416 d * Re 0.283 = ( * Ga *U 0.173 − 0.011 T * d * Sc ρ 2 gd 3 = µ2 M = 3 ρd 0.019 0.461 dTω π 0.283 0.0186 * 0.2875 * (2π 275 / 60) * π ) ⇒ ν 6.832 x10 −7 0.173 −0.011 0.461 Sh = = 45.24 0.173 = 25.54 −0.011 0.01281 0.01302 ⇒ = 0.09925 0.9923 1000(0.0186) 3 0.2875 ⇒ 0.0186 µ = ρD v (1000) 2 (9.8)(0.0186) 3 ⇒ (6.8 x10 −4 ) 2 0.283 0.019 = 1.053 6.8 x10 − 4 ⇒ 1000(5.6 x10 −10 ) 0.461 = 26.42 K LS d = 0.046 (45.24) (25.54) (0.9925) (1.053) (26.42) Dv KLS = 4.2x10-5 m/s ...
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## This note was uploaded on 09/27/2011 for the course CHEMICAL E CHE 309 taught by Professor M.elgaily during the Fall '09 term at King Fahd University of Petroleum & Minerals.

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Sample Calculatio1of m5 - Sample Calculation(Based on 3...

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