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Fluidyne water pump Options
Pat Miketinac
#1 Posted : Tuesday, April 14, 2009 3:20:04 AM
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Posts: 134,494

Hi Jeff,

Since firewood is your energy source, you may be interested in an article that appeared in Mother years ago about using automotive smog pumps as steam engines. I would think they would be strong enough to turn a car alternator to charge your batteries. Mother #91 has articles about alternator power and their hydroplant. If I can find the smog pump article I will post info.

#2 Posted : Thursday, April 30, 2009 7:01:24 PM
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There is a lot fun to be had experimenting with steam and, also, a lot of danger due to the high pressures.

With a fluidyne, the system, as I understand it, can vent the steam to atmopshere should it overheat thereby preventing any explosive situations.

Also, the fluidyne has no moving parts. Using it to circulate water over a water wheel or a low-head turbine could be a simple method of generating some electricity for charging off-grid batteries.

#3 Posted : Saturday, May 02, 2009 2:55:57 AM
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Posts: 134,494

 I had posted a lovley large post, however it's gone now...

  Basicly you are far better off adding a heat exchanger to a standard steam engine to create a sterling like engine.

You should also add a heat exchanger to the combustion air in order to increase the fire box temprature.

There is one basic rule and that is the higher the high temprature and the lower the low temprature, the more effecient the system will be.

#4 Posted : Saturday, May 02, 2009 2:55:57 AM
Rank: Guest

Posts: 134,494

Has anyone experimented with using a fluidyne water pump to generate electricity for off-grid battery charging ?

I picture a wood-fire-powered fluidyne pump pushing water to the top of a water wheel from a collector pan beneath the wheel. The same water would continually recirculate. An appropriately sized electrical generator would be driven by the water wheel.


Also, does anyone have plans for a functional fluidyne pump that can be easily constructed by someone who has no knowledge of thermodynamics ?





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