Actuator-line CFD modelling of tidal-stream turbines in arrays

• Published in: Journal of ocean engineering and marine energy Vol. 4; no. 4; pp. 259 - 271
• Main Authors: Apsley, David D., Stallard, Tim, Stansby, Peter K.
• Format: Journal Article
• Language: English
• Published: Cham Springer International Publishing 01.11.2018; Springer Nature B.V
• Subjects: Actuators; Angular speed; Arrays; Coastal Sciences; Coefficients; Computational fluid dynamics; Cyclic loads; Downstream effects; Engineering; Engineering Fluid Dynamics; Load fluctuation; Mechanical Engineering; Modelling; Oceanography; Offshore Engineering; Ratios; Renewable and Green Energy; Research Article; Rotor blades; Rotor blades (turbomachinery); Thrust; Torque; Towing; Turbine engines; Turbines; Turbulence; Turbulence models; CFD; Actuator-line methods; Turbine arrays; Tidal-stream turbines

CFD modelling of tidal turbines in arrays is described and assessed against experimental studies of turbines operating either at constant speed or constant torque. Rotor blades are represented by rotating actuator lines, whilst supports are represented by partially-blocked-out cells. For a single tu...