A panel method free‐wake code for aeroelastic rotor predictions | Zendy

Roura M. | Zendy; Cuerva A. | Zendy; SanzAndrés A. | Zendy; BarreroGil A. | Zendy

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A panel method free‐wake code for aeroelastic rotor predictions

Author(s) -

Roura M.,

Cuerva A.,

SanzAndrés A.,

BarreroGil A.

Publication year - 2010

Publication title -

wind energy

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.743

H-Index - 92

eISSN - 1099-1824

pISSN - 1095-4244

DOI - 10.1002/we.358

Subject(s) - wake , aeroelasticity , aerodynamics , rotor (electric) , flapping , wind tunnel , turbine , engineering , structural engineering , trim , mechanics , aerospace engineering , physics , mechanical engineering , wing

A panel method free‐wake model to analyse the rotor flapping is presented. The aerodynamic model consists of a panel method, which takes into account the three‐dimensional rotor geometry, and a free‐wake model, to determine the wake shape. The main features of the model are the wake division into a near‐wake sheet and a far wake represented by a single tip vortex, and the modification of the panel method formulation to take into account this particular wake description. The blades are considered rigid with a flap degree of freedom. The problem solution is approached using a relaxation method, which enforces periodic boundary conditions. Finally, several code validations against helicopter and wind turbine experimental data are performed, showing good agreement. Copyright © 2009 John Wiley & Sons, Ltd.

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