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- Title
A SYSTEM TO MAKE USE OF EXISTING BREAKWATERS AS OVERTOPPING WAVE ENERGY CONVERTERS.
- Authors
ÜNSALAN, Deniz; GÜRSEL, K. Turgut; IZET-ÜNSALAN, Kunsel
- Abstract
The main purpose of building breakwaters is to produce safe havens for ships and boats in rough seas. The general architecture for a breakwater is a wall with a trapezoidal-shaped cross section extending parallel to the shoreline. As the waves from the open sea approach, they are encountered by the so-called slope and revetment of the breakwater, where the wave is broken and its energy is dissipated and/or reflected back. However, the ever-increasing attractiveness of the utilization of waves as energy sources, paralleling to the increasing monetary and environmental costs of energy, has led the authors to consider the vast amounts of this otherwise dissipated energy into useful electrical energy. A wave energy conversion concept, which can be classified as an "overtopping" wave energy converter was conceived, where the open sea-facing (revetment) side of the breakwater is fitted by a water collecting channel at a suitable height above the calm water level, running alongside the breakwater. The channel leads the collected water to a powerhouse containing a low head turbine (or a set of such turbines) discharging it to the calm water of the inner harbour. Power obtained from these turbines can be converted to electrical energy. In this study, an estimation of the volume of water collected by the channel and the energy production for a proposed breakwater - power station system for a typical rough weather shall be made. It is deemed that the feasibility of this system is comparable to and even higher than the other wave energy conversion systems since it does not require additional facilities and power supply lines to be built due to its proximity to the existing energy transmission lines, except for the addition of new features/installations to the existing breakwaters.
- Subjects
BREAKWATERS; HARBORS; SHIPS; BOATS &; boating; WATER waves; WAVE energy
- Publication
Scientific Bulletin 'Mircea cel Batran' Naval Academy, 2016, Vol 19, Issue 1, p304
- ISSN
2392-8956
- Publication type
Article
- DOI
10.21279/1454-864X-16-I1-052