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Filters: washing volume

Input data

Ascencional velocity

Superficial area

Washing time

Output data

Washing volume

Description

Given the superficial area of the filter, the washing time, and the desired ascending velocity, the required water washing volume is calculated.

Formula

Vl=A⋅Ua⋅tV_l = A \cdot U_a \cdot t

Where:

  • VlV_l = washing volume (m³)\text{(m³)}
  • AA = superficial area of the filter (m²)\text{(m²)}
  • UaU_a = ascending velocity (m/min)\text{(m/min)}
  • tt = washing time (min)\text{(min)}

FilterFilter

Inputs

ParameterStandard unitsDescription
Ascending velocity (UaU_a)m/minDesired ascending velocity
Superficial area (AA)m²Superficial area of the filter
Washing time (tt)minDuration of washing

Outputs

ParameterStandard unitsDescription
Washing volume (VlV_l)m³Total water volume for washing

References

  • AZEVEDO NETTO, J. M. DE. Manual de hidráulica. 9. Ed. São Paulo, Blucher, 2015.