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Filters: washing flow

Input data

Washing velocity

Superficial area

Output data

Washing flow

Description

Given the superficial area of the filter and the desired ascending velocity, the filter washing flow is calculated.

Formula

Vl=A⋅UaV_l = A \cdot U_a

Where:

  • VlV_l = washing flow (m³/s)\text{(m³/s)}
  • AA = superficial area of the filter (m²)\text{(m²)}
  • UaU_a = washing velocity (m/min)\text{(m/min)}

FiltersFilters

Inputs

ParameterStandard unitsDescription
Washing velocity (UaU_a)m/minDesired ascending velocity for filter washing
Superficial area (AA)m²Superficial area of the filter

Outputs

ParameterStandard unitsDescription
Washing flow (VlV_l)L/sRequired flow rate for filter washing

References

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