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superlen · 11-26-15, 06:41 PM

Steve,

Thanks for running those numbers. I'll need to double check the quick online calculator I used as they aren't matching. I trust the equation more than the online calculator & I'll run my own to compare.

One thing to note though is that my parallel loop diameters are .75" vs the 1.25" supply/return, so while the flowrate is 1/5 or 3gpm, the velocity is more than that due to the smaller diameter pipe. I'll add the reynolds calculation equation into my spreadsheet so I can check the number for each section.

Also on your pump and dump, if you have a supply and injection well, you could just pump from one to the other directly & save the pumping power. However, you would of course lose the use of the water for stock watering, ponds, ect so that may not be an option.

Len

11-26-15, 06:41 PM	#1819
superlen Helper EcoRenovator Join Date: Nov 2015 Location: NW Arkansas Posts: 37 Thanks: 5 Thanked 7 Times in 7 Posts	Steve, Thanks for running those numbers. I'll need to double check the quick online calculator I used as they aren't matching. I trust the equation more than the online calculator & I'll run my own to compare. One thing to note though is that my parallel loop diameters are .75" vs the 1.25" supply/return, so while the flowrate is 1/5 or 3gpm, the velocity is more than that due to the smaller diameter pipe. I'll add the reynolds calculation equation into my spreadsheet so I can check the number for each section. Also on your pump and dump, if you have a supply and injection well, you could just pump from one to the other directly & save the pumping power. However, you would of course lose the use of the water for stock watering, ponds, ect so that may not be an option. Len