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Using river flow to pump water uphill (for later power generation)
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23
comments (23 topical, editorial)
Re: Using river flow to pump water uphill
(
3.00 / 0
) (
#23
)
by riverpower (
dave at carputing dot com
) on Wed Oct 1st, 2008 at 08:50:57 PM MST
(
User Info
)
Hi kipcole,
I also live on a tidal river, in the USA. I've been trying to find a way to get power from it for 3 years. My river is also rather large (probably 0.5 to 1 km wide). I've measured the flow, and do get tidal outflows up to 1.0 m/sec. Even with this there really isn't any significant power that I can figure out how to harvest. I'm also located about 30 meters above the river, so I also have a 'hill' challenge.
If you can dam it up, you can get large flows twice a day. Or even if you have a bay you can put a barrier across, you can get flows. But usually this is not feasible (or allowed).
My only other thoughts now are to think about using the temperature differential between the river and the air. Not sure there is anything worth harvesting this way, but something to think about (in the winter the river does not go below 40 degrees F, while the air will get down 0 degrees F.
Sorry I don't have any better ideas for you.
Using river flow to pump water uphill (for later power generation)
|
23
comments (23 topical, 0 editorial)
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