| Freeflow69 has worked in collaboration with  to develop the Archimedes Screw.
The Archimedes Screw is a revolutionary Hydroelectric Turbine design based on the Greek Archimedes Screw principles. It is a fish friendly, efficient device for converting the kinetic energy of flowing water into usable electricity. The turbine is made from reinforced plastic and is suitable for small to medium domestic or commercial sites producing up to 15kw. The Turbine is designed and manufactured here in the UK and is transported and installed simply and easily with minimal construction work.
Most other Archimedes Screw Turbines currently available in the market are constructed from metal, making them more expensive to manufacture, transport and install. These metal versions are more suitable for larger scale sites, for generating 50Kw or more.
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| Last Updated on Monday, 26 September 2011 16:14 |
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How do you know if you have a site suitable for generating electricity?
To establish if your site is suitable for generating electricity you need to have flowing water and you need to know the three key components, which are WATER VELOCITY (in metres per second), AREA (in square metres) and HEAD (in metres).
Water Velocity
The more flowing water you have, the more potential power you can generate. The Water Velocity can be estimated by recording how long (in seconds) a 'floating object' (such as a ball) takes to travel over a given distance (in metres). Divide the distance by the time taken and you will have the Water Velocity (in metres per second).
Area
The Area is calculated using the simple equation of:
Depth (in metres) x Width (in metres) = Area (in square metres)
Head
The water needs to drop, or fall, a distance of between 1 and 5 metres. Measure how far the water falls in metres.
Generated Power
To calculate the power generated by the above figures use the following equation which will estimate the potential power:
Water Velocity(metres per second) x Area (in square metres) x Head (in metres) x 9.81 (Constant for Gravity) = Potential Energy (in kilowatts)
Most turbines work on an efficiency of up to 70%, however our Archimedes Screw can give efficiencies of up to 80%, using this value would give you the expected output from the site.
Please contact us for further details |
| Last Updated on Monday, 26 September 2011 16:21 |
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