Hydrodynamic Performance of a Floating Offshore Oscillating Water Column Wave Energy Converter

A floating oscillating water column (OWC) wave energy converter (WEC) supported by mooring lines can be modelled as an elastically OWC. The main objective of this paper is to investigate the effects frequency ratio on performance OWC (oscillating column) devices that oscillate either vertically or horizontally at two different mass ratios (m = 2 and 3) through two-dimensional computational fluid dynamics simulations. natural system frequency. Simulations are conducted for nine in range between 1 10. hydrodynamic efficiency achieves its maximum smallest if oscillates largest 10 vertically. affects hydraulic vertical significantly stronger than horizontal OWC, especially when it small. air pressure volume oscillation not affected much motion but motion, small ratios.