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Infiltration: Sizing and modeling
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Revision as of 19:28, 29 September 2021
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2 years ago
→Time to drain the storage reservoir
Line 104:
Line 104:
<br>
<br>
To calculate the time (''t'') to fully drain the facility assuming three-dimensional drainage:
To calculate the time (''t'') to fully drain the facility assuming three-dimensional drainage:
−
<math>t=\frac{n\times A_{r}}{f'\times x}ln\left [ \frac{\left
(
d_{r} + (\frac{A_{r}}{x} \right )}{\left(\frac{A_{r}}{x}\right)}\right]</math>
+
<math>t=\frac{n\times A_{r}}{f'\times x}ln\left [ \frac{\left d_{r} + (\frac{A_{r}}{x} \right)}{\left(\frac{A_{r}}{x}\right)}\right]</math>
Where "ln" means natural logarithm of the term in square brackets <br>
Where "ln" means natural logarithm of the term in square brackets <br>
Adapted from CIRIA, The SUDS Manual C753 (2015).
Adapted from CIRIA, The SUDS Manual C753 (2015).
Dean Young
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