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Flow through perforated pipe
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Revision as of 19:09, 29 March 2018
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{{Plainlist|1=Where:
{{Plainlist|1=Where:
*''L'' is the length of perforated pipe (m)
*''L'' is the length of perforated pipe (m)
−
*''B'' is the clogging factor (between 0.5
to calculate a
for matured installation and 1
to calculate
a new perfectly performing BMP),
+
*''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 the sharp edge created by relatively thin pipe walls),
*''C<sub>d</sub>'' is the coefficient of discharge (usually 0.61 for the sharp edge created by relatively thin pipe walls),
*''A<sub>o</sub>'' is the total open area per unit length of pipe (m<sup>2</sup>/m),
*''A<sub>o</sub>'' is the total open area per unit length of pipe (m<sup>2</sup>/m),
Alanav
67
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