Page 304 - Fundamentals of Water Treatment Unit Processes : Physical, Chemical, and Biological

Mixing 259

G (s 1 ) 1.52 17 48 539 892 1090 1524
Criteria P=Q (hp=mgd) 0.000 0.000 0.001 0.170 0.467 0.697 1.361

Empirical

5
P=V (kW=m 3 ) 0.000 0.000 0.002 0.290 0.795 1.187 2.318

Impeller p (hp) 0.00 0.00 0.01 1.70 5 7 14

to P (watts) 0.01 1.27 10.15 1269 3483 5199 10153
Power

4
P 6.0 6.0 6.0 6.0 6.0 6.0 6.0
(rpm) 17 86 120 138 172
p 1.7 8.6
Speed
Impeller n (rev=s) 0.029 0.143 0.287 1.433 2.007 2.294 2.867

3
R 10000 50000 100000 500000 700000 800000 1000000

D p (m) 0.591 0.591 0.591 0.591 0.591 0.591 0.591

T p (m) 1.772 1.772 1.772 1.772 1.772 1.772 1.772

Sizing V p (m 3 ) 4.381 4.381 4.381 4.381 4.381 4.381 4.381

Basin
2 (m 3 =s) 0.438 0.438 0.438 0.438 0.438 0.438 0.438
P
and
R Q p (mgd) 10 10 10 10 10 10 10
on
based u p (s) 10 10 10 10 10 10 10

G
and y m (m 2 =s) 1.001E 06 1.001E 06 1.001E 06 1.001E 06 1.001E 06 1.001E 06 1.001E 06 blades.
P=Q,

P=V, Properties r m (kg=m 3 ) 997.548 997.548 997.548 997.548 997.548 997.548 997.548 w=disk—6

P,
n, Fluid blade flat
CD10.4 of 1 m(water) m s=m 2 ) (N 0.000998294 0.000998294 0.000998294 0.000998294 0.000998294 0.000998294 0.000998294 Impeller:

TABLE Calculations T m (8C) 20 20 20 20 20 20 20 Note: