The paper presents the assessment of two numerical methods for the performance analysis of ducted wind turbines. The first is a standard blade-resolved three-dimensional Reynolds-Averaged Navier-Stokes analysis carried out through a coupled pressure-based solver and the $k-\omega$ SST turbulence model. The second is an actuator disk approach based on classical Computational Fluid Dynamic techniques in which the rotor is modelled via a set of body forces evaluated on the basis of the two-dimensional aerodynamic characteristics of the blade sections. The comparison shows a good agreement between the results of the two approaches both in terms of global and local flow quantities.
Assessment of numerical methods for ducted wind turbines / Bontempo, Rodolfo; Manna, Marcello. - (2025). (Intervento presentato al convegno 16th European Turbomachinery Conference (ETC16) - Turbomachinery, Fluid Dynamics and Thermodynamics tenutosi a Hannover, Germany nel 24/03/2025 - 28/03/2025).
Assessment of numerical methods for ducted wind turbines
Bontempo Rodolfo
;Manna Marcello
2025
Abstract
The paper presents the assessment of two numerical methods for the performance analysis of ducted wind turbines. The first is a standard blade-resolved three-dimensional Reynolds-Averaged Navier-Stokes analysis carried out through a coupled pressure-based solver and the $k-\omega$ SST turbulence model. The second is an actuator disk approach based on classical Computational Fluid Dynamic techniques in which the rotor is modelled via a set of body forces evaluated on the basis of the two-dimensional aerodynamic characteristics of the blade sections. The comparison shows a good agreement between the results of the two approaches both in terms of global and local flow quantities.I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
