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Difference between revisions of "WaterPod rainwater calculations"

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== Basic Calculation ==
 
== Basic Calculation ==
Collection = rain fall (in) * 1 ft/12 in * collection area (ft2) * 7.48 gal/ft3 * roof coefficient
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<math> Collection\ (gal) = Rainfall\ (in) \times \frac{1 ft}{12 in}\times Collection\ Area\ (ft^2) \times \frac{7.48 gal}{ft^3} \times Roof\ Coefficient
  
 
== Conclusion ==
 
== Conclusion ==

Revision as of 20:00, 8 October 2012

The WaterPod will be collecting rainwater from a few of the impermeable roof areas. The calculations for collection are on this spreadsheet. There are three tabs feeding the results:

  • Tab:Collection Calcs - Calculates the monthly availability of the rainwater.
  • Tab:Collections Dimensions - Calculates the available rainwater collection area based upon the planned structures.
  • Tab:Regional Climate Data - Show monthly rainfall from historical averages. Could be made more current.

Regional Climate Data

The historical 1971 - 2000 Rainfall Normals for Central Park, New York[1] are:

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
3.42 3.27 4.08 4.2 4.42 3.67 4.35 4.01 3.89 3.56 4.47 3.91 47.25

Basic Calculation

<math> Collection\ (gal) = Rainfall\ (in) \times \frac{1 ft}{12 in}\times Collection\ Area\ (ft^2) \times \frac{7.48 gal}{ft^3} \times Roof\ Coefficient

Conclusion

Wait until the spreadsheet is finalized before posting the final conclusions here.