<abstract xmlns="http://www.w3.org/1999/xhtml"><p> In order to effectively extract and maximize the energy from ocean waves, a new kind of oscillating-body WEC (wave energy converter) with moon pool has been put forward. The main emphasis in this paper is placed on inserting the damping into the equation of heaving motion applied for a complex wave energy converter and expressions for velocity potential added mass, damping coefficients associated with exciting forces were derived by using eigenfunction expansion matching method. By using surface-wave hydrodynamics, the exact theoretical conditions were solved to allow the maximum energy to be absorbed from regular waves. To optimize the ability of the wave energy conversion, oscillating system models under different radius-ratios are calculated and comparatively analyzed. Numerical calculations indicated that the capture width reaches the maximum in the vicinity of the natural frequency and the new kind of oscillating-body WEC has a positive ability of wave energy conversion.</p></abstract>

In order to effectively extract and maximize the energy from ocean waves, a new kind of oscillating-body WEC (wave energy converter) with moon pool has been put forward. The main emphasis in this paper is placed on inserting the damping into the equation of heaving motion applied for a complex wave energy converter and expressions for velocity potential added mass, damping coefficients associated with exciting forces were derived by using eigenfunction expansion matching method. By using surface-wave hydrodynamics, the exact theoretical conditions were solved to allow the maximum energy to be absorbed from regular waves. To optimize the ability of the wave energy conversion, oscillating system models under different radius-ratios are calculated and comparatively analyzed. Numerical calculations indicated that the capture width reaches the maximum in the vicinity of the natural frequency and the new kind of oscillating-body WEC has a positive ability of wave energy conversion.

Semi-Analytical Solution of Optimization on Moon-Pool Shaped WEC

College of Shipbuilding Engineering, Harbin Engineering University, Harbin,

College of Shipbuilding Engineering, Harbin Engineering University, Harbin, 150001,

Polish Maritime Research

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

{"article-title":"Semi-Analytical Solution of Optimization on Moon-Pool Shaped WEC"}

In order to effectively extract and maximize the energy from ocean waves, a new kind of oscillating-body WEC (wave energy converter) with moon pool has been...

Semi-Analytical Solution of Optimization on Moon-Pool Shaped WEC

Published Online: Nov 16, 2016

Page range: 25 - 31

DOI: https://doi.org/10.1515/pomr-2016-0042

Keywords
wave energy, eigenfunction expansion, moon pool, conversion ability, optimization

© 2016

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Semi-Analytical Solution of Optimization on Moon-Pool Shaped WEC

Published Online: Nov 16, 2016

Page range: 25 - 31

DOI: https://doi.org/10.1515/pomr-2016-0042

Keywordswave energy, eigenfunction expansion, moon pool, conversion ability, optimization

© 2016

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Keywords
wave energy, eigenfunction expansion, moon pool, conversion ability, optimization