Free Flow Turbine

The impeller of the FishFlow Innovations Free Flow Turbine is bi-directional; it generates power when rotating clockwise as well as when rotating counter-clockwise. This means it generates electrical energy during ebb and flow when in use as a tidal turbine. The unique and patented shape of the impeller doesn’t only make the turbine fish friendly, but also makes it highly efficient. The specific shape of the impeller blades do not induce cavitation and the water leaving the impeller is released in an almost straight beam. Regardless of the speed the impeller is rotating it will not harm any fish passing through the turbine and neither will it produce noise, a hugely underestimated cause of harm to aquatic life.

Technology Developer

Fishflow Innovations

Additional Information

Device Website

Device Status

Is the device actively being developed or is available for purchase (active)? Or has development or support ended (inactive)?

Active

Technology Type

Axial Flow Turbine

Power Take-Off

Mechanism that converts the motion of the prime mover into a useful form of energy such as electricity, learn more

Direct Drive Generator

Surface Expression

False

Estimated TRL

Estimated Technology Readiness Level scale from 1 to 9 with 9 being the most mature technology

TRL Last updated: 15 September 2023

4

Energy Resource

Tidal

Water Column Position

Last Modified

15 September 2023

Citation Formats

“Free Flow Turbine.” Marine Energy Projects Database: Devices, PRIMRE, United States Department of Energy, https://openei.org/wiki/PRIMRE/Databases/Projects_Database/Devices/Free_Flow_Turbine. Accessed <day> <monthRoman> <year>.

Marine Energy Projects Database: Devices. <year>. "Free Flow Turbine." Accessed <monthRoman> <day>, <year>. https://openei.org/wiki/PRIMRE/Databases/Projects_Database/Devices/Free_Flow_Turbine.

PRIMRE/Databases/Projects Database/Devices/Free Flow Turbine

Free Flow Turbine

Citation Formats