27 Aug '13, 2pm

Seeing Deep Green with Low Velocity Tidal Power

Seeing Deep Green with Low Velocity Tidal Power

DeepGreen is the brainchild of Magnus Landberg and is being developed by Gothenburg, Sweden-based Minesto, founded in 2007 with backing from BGA Invest, Midroc New Technology, Saab Group and Chalmers University of Technology. Anders Jansson, Minesto’s CEO, explains that hydrodynamic forces on the kite caused by the ocean current create lift but also make the kite move transverse to the flow at a velocity around 10 times higher than the actual flow. The relative velocity entering the turbine is thereby considerably increased and, Jansson tells REW , the energy output could potentially be increased by a factor of 1,000 — since the velocity and energy has a cubic relationship. By apparently making it possible to imitate a fast-moving stream in a low-velocity location, advocates claim it to be the only marine power technology that is able to cost-effectively produce electricit...

Full article: http://www.renewableenergyworld.com/rea/news/article/2013...

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