# Trommel Screen Design Calculator

## Water and Wastewater Treatment Material Separation and Recovery

Solving for critical speed. #### Inputs:

 gravitational acceleration (g) meter/second^2centimeter/day^2centimeter/hour^2centimeter/minute^2centimeter/second^2foot/day^2foot/hour^2foot/minute^2foot/second^2inch/second^2kilometer/day^2kilometer/hour^2kilometer/minute^2kilometer/second^2knot/secondmeter/day^2meter/hour^2meter/minute^2mile/day^2mile/hour^2mile/minute^2mile/second^2millimeter/second^2yard/second^2

#### Conversions:

 gravitational acceleration (g)= 0 = 0centimeter/second^2
 drum radius (r)= 0 = 0centimeter

#### Solution:

 critical speed (ηc)= NOT CALCULATED

#### Other Units:

Change Equation
Select to solve for a different unknown Solve for trommel screen critical speed. The speed where cataracting turns into centrifuging. Solve for acceleration of gravity Solve for trommel drum radius

References - Books:
1) P. Aarne Vesilind, J. Jeffrey Peirce and Ruth F. Weiner. 1994. Environmental Engineering. Butterworth Heinemann. 3rd ed.

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By Jimmy Raymond Contact: aj@ajdesigner.com