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Rainwater harvesting: Sizing and modeling (view source)
Revision as of 21:08, 11 August 2017
, 6 years ago→Simple
===Simple===
===Simple===
<blockquote>
<blockquote>
{{plainlist|
*Five percent of the average annual yield can be estimated:
*Five percent of the average annual yield can be estimated:
*<strong>Y<sub>0.05</sub>= A × C<sub>vol, A</sub> × R<sub>a</sub> × e × 0.05</strong>
*<strong>Y<sub>0.05</sub>= A × C<sub>vol, A</sub> × R<sub>a</sub> × e × 0.05</strong>
*C<sub>vol, A</sub> = The annual runoff coefficient for the catchment
*C<sub>vol, A</sub> = The annual runoff coefficient for the catchment
*R<sub>a</sub> = The average annual rainfall depth (mm)
*R<sub>a</sub> = The average annual rainfall depth (mm)
*e = The efficiency of the pre-storage filter</blockquote>
*e = The efficiency of the pre-storage filter}}</blockquote>
Filter efficiency (e) can be reasonably estimated as 0.9 pending manufacturer’s information.
Filter efficiency (e) can be reasonably estimated as 0.9 pending manufacturer’s information.