# Flocculation Design Equations Calculator

## Wastewater Water Treatment Systems Formulas

#### Inputs:

 input power (P) wattfoot-pound/secondhorsepowerjoule/secondkilojoule/secondkilowattnewton-meter/second
 dynamic viscosity (u) newton-second/meter^2dyne-second/centimeter^2pascal-secondkilogram/meter-secondpoisepound(f)-second/foot^2poundal-second/foot^2slug/foot-second
 flocculation tank volume (V) meter^3barrel UKbarrel US drybarrel US federalbarrel US liquidbarrel US oil petroleumbushel UKbushel US drycentimeter^3cord firewoodcord foot woodcup Canadacup metriccup USdeciliterdecimeter^3foot^3gallon UKgallon US liquidinch^3kilometer^3litermillilitermillimeter^3ounce UK fluidounce US fluidpint UKpint USquart UKquart USsteretablespoon UKtablespoon USteaspoon UKteaspoon USyard^3

#### Conversions:

 P = 0 = 0 newton-meter/second u = 0 = 0 newton-second/meter^2 V = 0 = 0 meter^3

#### Other Units:

Change Equation
Select to solve for a different unknown
 Solve for velocity gradient Solve for power input Solve for dynamic viscosity Solve for tank volume
flocculator power
 Solve for dissipated power Solve for paddle area Solve for drag coefficient Solve for water density Solve for relative paddle velocity
Where
 G = velocity gradient P = power input or dissipated u = dynamic viscosity V = volume C = drag coefficient p = water density A = paddle area v = relative paddle velocity to water

References - Books:
1) P. Aarne Vesilind, J. Jeffrey Peirce and Ruth F. Weiner. 1994. Environmental Engineering. Butterworth Heinemann. 3rd ed.
2) Warren Viessman, Jr, Mark J. Hammer. 1993. Water Supply and Pollution Control. Harper Collins College Publishers. 5th ed.

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By Jimmy Raymond

Contact: aj@ajdesigner.com