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Go Back   World of Renewables - The World's #1 Online Renewable Energy Network! > Renewable Energy Debates > Hydro - Technology Reviews
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  #1  
Old 28th June 2008
Matos de Mato Matos de Mato is offline
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Join Date: June 2008
Location: Angola
Posts: 3
Default Cylinder/piston pressure multiplier River flow water pump

I am an Angolan, southern Africa.
I have a design for a submersed water pump for river flows working only with the river flow. Please help referring to somebody to advise on the calculations.
We can fabricate simple machines in Angola, and cylinder/pistons assembly is easy.
Two cylinders, one with 1 meter diameter and the other 0.2 m/diameter. Pistons are in the same shaft. Area ratio is of 25 X. The bigger cylinder has a shroud of a diameter of 1.5 meter in both ends and is open on both sides. When we submerse it in the river flow, the water flows in and pushes the piston. On the other end of the cylinder the water flows out in the direction of the river flow.
The piston pushes the second piston, in a closed cylinder (0,2m/d) and pressures water. The inlets and outlets of this double side cylinder have retention valves to control aspiration and discharged of the cylinder.
The cylinders rotate on its axis, enabling continuous cycles.
It is a water pump that uses only the river water flow.
Please I need to find the pressure on both cylinders, if the river flows at 1 m/s, and power calculations if the pressure water works on micro hydro turbine to produce electric energy.
Thank you
David Matos
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  #2  
Old 29th June 2008
Matos de Mato Matos de Mato is offline
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Default

I have drawings at
http://tidalwaterpump.blogspot.com/
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  #3  
Old 14th July 2009
Myelena
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Default Problems opening forum with opera

Hello, I can't open this forum with Opera. When I try to open it I am redirected to another webpage.Please help
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