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A serpent-type wave energy converter
Sebastian Sorek1, Wojciech Sulisz2
1Department of Wave Mechanics and Structural Dynamics, Institute of Hydro-Engineering PAS, Kościerska 7, 80-328, Gdańsk, Poland. s.sorek@ibwpan.gda.pl.
Scientific Reports
|August 1, 2023
Summary
Researchers derived a new 3D analytical solution for serpent-type wave energy converters, finding optimal parameters and a theoretical 50% efficiency limit. Device performance depends on wave conditions, stiffness, and mass.
Area of Science:
- Ocean Engineering
- Renewable Energy Systems
- Fluid Dynamics
Background:
- Wave energy converters (WECs) are crucial for renewable energy.
- Serpent-type WECs offer a unique design for harnessing ocean power.
- Understanding wave-structure interaction is key to optimizing WEC performance.
Purpose of the Study:
- To investigate wave interaction with a serpent-type WEC.
- To derive a novel 3D analytical solution for WEC performance.
- To determine optimal parameters for maximizing energy capture efficiency.
Main Methods:
- Development of a novel 3D analytical model for wave-structure interaction.
- Derivation of optimal parameters based on wave energy principles.
- Experimental validation using laboratory-scale wave flume tests.
Main Results:
- Wave power captured increases with wavelength up to a point, then decreases.
- Efficiency is sensitive to device stiffness and mass, varying with water depth.
- A theoretical maximum efficiency of 50% was established for this WEC type.
Conclusions:
- The study provides the first analytical solution and optimal parameter derivation for serpent-type WECs.
- Experimental results validate the accuracy of the derived analytical model.
- The findings offer a pathway to optimize WEC design and operation for specific wave environments.
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