Agitator Power Requirement and Mixing Intensity Calculation
Agitator Power Requirement and Mixing Intensity Calculation
Agitator Power Requirement and Mixing Intensity Calculation
Fluid Properties
Density ρ = 1100 kg/m3
Viscosity µ = 100 cp
Calculation
1) Reynolds Number
2)Power Requirement
3) Mixing Intensity
0.3
0.2
0.1
0
100 1100 2100 3100 4100 5100 6100 7100 8100 9100 10100 11100
D/T = 0.5
Wide Hydrofoil
Power No Power Number Curve for Wide Hydrofoil
Reynolds D/T=0.25 D/T=0.3 D/T=0.4 D/T=0.5
No2.5
100 2.28 2.24 2.15 2.11
200 1.78 1.75 1.69 1.65
2
300 1.56 1.53 1.48 1.45
500 1.3 1.29 1.24 1.23
800 1.14 1.12 1.09 1.08
1.5
Power Number
0.5
0
100 1100 2100 3100 4100 5100 6100 7100 8100 9100 1
D/T=0.5
Pitched Blade Power Number curve for Pitched blade turbine
2.5
Power No
0
100 1100 2100 3100 4100 5100 6100 7100 8100 9100 10100 11
Reynolds Number
de turbine
D/T=0.2
5
D/T=0.3
D/T=0.4
D/T=0.5
Reynolds Power No
No D/T=0.25 D/T=0.3 D/T=0.4 D/T=0.5
100 5.5 5.5 5.5 5.5
200 5.5 5.5 5.5 5.4
300 5.5 5.5 5.5 5.5
500 5.5 5.5 5.5 5.5
800 5.5 5.5 5.5 5.5
1200 5.5 5.5 5.5 5.5
3000 5.5 5.5 5.5 5.5
10000 5.5 5.5 5.5 5.5
Reynolds Power No
No D/T=0.25 D/T=0.3 D/T=0.4 D/T=0.5
100 3.6 3.6 3.6 3.6
200 3.2 3.2 3.2 3.15
300 3.2 3.2 3.2 3.2
500 3.2 3.2 3.2 3.2
800 3.2 3.2 3.2 3.2
1200 3.2 3.2 3.2 3.2
3000 3.2 3.2 3.2 3.2
10000 3.2 3.2 3.2 3.2
Chemineer HE3
Pumping Number curve for HE3 Impeller
Reynolds Power No
No0.6 D/T=0.25 D/T=0.3 D/T=0.4 D/T=0.5
100 0.33 0.31 0.3 0.3
200
0.5 0.34 0.33 0.32 0.32
300 0.36 0.35 0.34 0.34
500 0.38 0.36 0.36 0.35
0.4
800 0.43 0.42 0.41 0.39
Pumping Number
0.2
0.1
0
100 1100 2100 3100 4100 5100 6100 7100 8100 9100 10100
Reynolds Number
Impeller
D/T=0.2
5
D/T=0.3
D/T=0.4
D/T=0.5
Pitched Blade
0.4
Reynolds Power No
0.3 No
D/T=0.25 D/T=0.3 D/T=0.4 D/T=0.5
100 0.45 0.42 0.37 0.36
0.2 200 0.55 0.5 0.45 0.41
300 0.6 0.54 0.48 0.44
0.1 500 0.66 0.61 0.54 0.47
800 0.7 0.65 0.57 0.5
0 1200 0.74 0.67 0.6 0.52
100
3000 1100
0.82 2100
0.75 31000.66 4100 0.57 5100 6100 7100 8100 9100 10100 11
10000 0.88 0.8 0.68 0.6Reynolds Number
ydrofoil
D/T=0.2
5
D/T=0.3
D/T=0.4
D/T=0.5
0.3
0.2
0.1
0
100 1100 2100 3100 4100 5100 6100 7100 8100 9100 10100
Reynolds Number
r PBT
D/T=0.2
5
D/T=0.3
D/T=0.4
D/T=0.5
Reynolds Power No
No D/T=0.25 D/T=0.3 D/T=0.4 D/T=0.5
100 0.7 0.7 0.7 0.7
200 0.72 0.72 0.72 0.72
300 0.72 0.72 0.72 0.72
500 0.72 0.72 0.72 0.72
800 0.72 0.72 0.72 0.72
1200 0.72 0.72 0.72 0.72
3000 0.72 0.72 0.72 0.72
10000 0.72 0.72 0.72 0.72
Reynolds Power No
No
D/T=0.25 D/T=0.3 D/T=0.4 D/T=0.5
100 0.68 0.68 0.68 0.68
200 0.7 0.7 0.7 0.7
300 0.7 0.7 0.7 0.7
500 0.7 0.7 0.7 0.7
800 0.7 0.7 0.7 0.7
1200 0.7 0.7 0.7 0.7
3000 0.7 0.7 0.7 0.7
10000 0.7 0.7 0.7 0.7