An alternative approach to estimate the hydrodynamic efficiency of an oscillating water column using computational fluid dynamics
by Utku Şentürk; Aydoğan Özdamar
Progress in Computational Fluid Dynamics, An International Journal (PCFD), Vol. 13, No. 2, 2013

Abstract: A well known property of Oscillating Water Column (OWC) type wave energy converters is the approximately linear pressure drop-volume flow rate relation due to the Wells turbine equipment. This work presents a novel method where this relation is defined as a boundary condition in time domain simulations. The interaction of the OWC with regular, small waves in a tank is the boundary value problem that is under consideration. The finite volume method-based solver Fluent is used with two dimensional, incompressible, unsteady, two-phase flow assumptions. The turbine parameter that relates the pressure drop and flow rate is determined using linearised theory.

Online publication date: Thu, 31-Oct-2013

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