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<math>Q= B\times C_{d}\times A_{o}\sqrt{2\cdot g\cdot h}</math>
{{Plainlist|1=Where:
*''L'' is the length of perforated pipe (m)
*''B'' is the clogging factor (between 0.5 (for matured installation) and 1 (for a new perfectly performing BMP)),
*''C<sub>d</sub>'' is the coefficient of discharge (usually 0.61 for a plate, or 0.8 for a pipe),
*''A<sub>o</sub>'' is the area of the orifice (m<sup>2</sup>/m),
*''g'' is acceleration due to gravity = 9.81 m/s<sup>2</sup>, and
*''h'' is the head of water over the centre of the orifice.
}}
==see Also==
*[[Flow through a perforated pipe]]
[[category: Calculations]]
Created page with " <math>Q= B\times C_{d}\times A_{o}\sqrt{2\cdot g\cdot h}</math> {{Plainlist|1=Where: *''L'' is the length of perforated pipe (m) *''B'' is the clogging factor (between 0.5..."
<math>Q= B\times C_{d}\times A_{o}\sqrt{2\cdot g\cdot h}</math>
{{Plainlist|1=Where:
*''L'' is the length of perforated pipe (m)
*''B'' is the clogging factor (between 0.5 (for matured installation) and 1 (for a new perfectly performing BMP)),
*''C<sub>d</sub>'' is the coefficient of discharge (usually 0.61 for a plate, or 0.8 for a pipe),
*''A<sub>o</sub>'' is the area of the orifice (m<sup>2</sup>/m),
*''g'' is acceleration due to gravity = 9.81 m/s<sup>2</sup>, and
*''h'' is the head of water over the centre of the orifice.
}}
==see Also==
*[[Flow through a perforated pipe]]
[[category: Calculations]]