Parthenon, The Floating Sea Wall
Inhabitat, Tafline Laylin, December 2015
Certain world leaders might be dragging their feet on addressing climate change, but in the meantime, Koen Olthuis and the rest of the Waterstudio crew are working on solutions that we can use today. The Blue energy floating sea wall is a floating breakwater that doubles as an energy generator. Called The Parthenon, the floating breakwater not only stems the crash of water pushing into a harbor, but harvests the tremendous energy a wall of water like that can generate.
Waterstudio used the Hudson River to illustrate their new design’s function. “In a harbour on the Hudson river in New York the wave conditions are so strong that a sea wall must protect its boats. The strong current in the river is constantly attacking it and water is pushing itself against and through the fixed wall, which results in more corrosion of the sea wall every year.”
The floating sea wall acts as a permeable breakwater that converts the wave power into electrical energy while reducing the waves’ impact on the harbor at the same time. “The floating breakwater lives with the force of the river instead of fighting it,” they told Inhabitat in an email.
Related: Aquatect Koen Olthuis tells Inhabitat how to embrace rising sea levels
The columns of the sea wall are comprised of 3-foot cylinders that rotate – both clockwise and counter clockwise – at low speed. The energy created by this rotation is then captured in a concrete box inside the floating platform. The cylinders are filled with water to give the structure flexibility without affecting in any way the efficacy of the wall in reducing the wave’s impact on the harbor. The whole thing is then anchored to the riverbed, and the top can double as an urban green space or boulevard.
“The Parthenon blue energy sea wall resembles the column structure of the famous ancient temple in Greece,” according to Waterstudio, “but divers see it as a part of the sunken city of Atlantis.”
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Floating Sea Wall Makes Energy from Rivers
By Samantha Joe
The Green Optimistic
Waterstudio, led by Koen Olthuis, is a Dutch firm that explores solutions in urban planning and research as it relates to water. One of their concepts is a floating sea wall, named The Parthenon.
The Parthenon serves multiple purposes: it slows water as it pushes into a harbor, and harvests the energy that water generates.
The concept of the floating sea wall was illustrated using the Hudson River in New York, a 315-mile long river that runs through the eastern part of the state. With 39 percent
of the American population living on the shorelines of the country, harnessing water as an energy supply would be a strategic move.
In a harbor like one in the Hudson River, the waves are so strong that a sea wall protects the boats inside of it. The strong current continuously pushes water against and through this fixed wall, resulting in more and more damage of the wall.
With a floating sea wall like the one made by Waterstudio, not only with the wall work with the force of the current, it will use the water’s movement to generate electricity. Made up of many columns, they rotate at a low speed to create energy.
The cylinders are filled with water to ensure that there is a certain amount of flexibility in the structure without reducing the effectiveness in protecting the harbor. This energy is then contained in a box inside the floating platform. The entire structure is anchored to the riverbed, while the top can be utilized in different ways, such as a boulevard, a harbor extension, or for green space.
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