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Rainwater harvesting: Sizing and modeling (view source)
Revision as of 20:33, 26 June 2017
, 6 years ago→Rapid
<li>The design storm rainfall depth (R<sub>d</sub>, in mm)</li>
<li>The design storm rainfall depth (R<sub>d</sub>, in mm)</li>
<li>The design storm runoff coefficient for the catchment (C<sub>vol</sub>), and </li>
<li>The design storm runoff coefficient for the catchment (C<sub>vol</sub>), and </li>
<li> the efficiency of the pre-storage filter (η). </li><ul>
<li> the efficiency of the pre-storage filter (η). </li></ul>
Good catchment selection means that the runoff coefficient (β) should work out to be 0.9 or greater.
Good catchment selection means that the runoff coefficient (β) should work out to be 0.9 or greater.
Filter efficiency can be reasonably estimated as 0.9 pending manufacturer’s information.
Filter efficiency can be reasonably estimated as 0.9 pending manufacturer’s information.