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Given the water temperature, the flow, the area and the thickness of the filter, the smallest and the greatest grais diameter, the porosity and sphericity of the filter material, calculates the head loss coefficient for a given apparent velocity.

Given the water temperature, the flow, the area and the thickness of the filter, the smallest and the greatest grais diameter, the porosity and sphericity of the filter material, calculates the head loss coefficient for a given apparent velocity.

- VIANNA, Marcos Rocha. Produção, Reservação e Distribuição de Água. e-book. Belo Horizonte: Bloom, 2021.