Probabilistic Design of Airfoils for Horizontal Axis Wind Turbines

Ricardo Balbino Dos Santos Pereira; Gael De Oliveira Andrade; Nando Timmer; Erik Quaeghebeur

doi:10.1088/1742-6596/1037/2/022042

Probabilistic Design of Airfoils for Horizontal Axis Wind Turbines

Ricardo Balbino Dos Santos Pereira, Gael De Oliveira Andrade, Nando Timmer, Erik Quaeghebeur

Wind Energy

Research output: Contribution to journal › Conference article › Scientific › peer-review

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Abstract

We describe a probabilistic approach to design airfoils for wind energy applications. An analytical expression is derived for the probability of perturbations to the operational blade-section angle of attack. It includes the combined influence of wind shear, yaw-misalignment, and turbulence intensity. The theoretical fluctuations in angle of attack are validated against an aero-structural simulation of a 10 MW horizontal axis wind turbine, operating under different inflow conditions. Finally we incorporate the probabilistic approach into a multi-objective airfoil optimization problem, which is solved with a genetic algorithm. The results illustrate the compromise between airfoil performance for a specific angle of attack and robustness of airfoil performance over a large range of angle of attack fluctuations

Original language	English
Article number	022042
Number of pages	12
Journal	Journal of Physics: Conference Series
Volume	1037
DOIs	https://doi.org/10.1088/1742-6596/1037/2/022042
Publication status	Published - 2018
Event	TORQUE 2018: The Science of Making Torque from Wind - Milano, Italy Duration: 20 Jun 2018 → 22 Jun 2018 http://www.torque2018.org/

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title = "Probabilistic Design of Airfoils for Horizontal Axis Wind Turbines",

abstract = "We describe a probabilistic approach to design airfoils for wind energy applications. An analytical expression is derived for the probability of perturbations to the operational blade-section angle of attack. It includes the combined influence of wind shear, yaw-misalignment, and turbulence intensity. The theoretical fluctuations in angle of attack are validated against an aero-structural simulation of a 10 MW horizontal axis wind turbine, operating under different inflow conditions. Finally we incorporate the probabilistic approach into a multi-objective airfoil optimization problem, which is solved with a genetic algorithm. The results illustrate the compromise between airfoil performance for a specific angle of attack and robustness of airfoil performance over a large range of angle of attack fluctuations",

author = "{Balbino Dos Santos Pereira}, Ricardo and {De Oliveira Andrade}, Gael and Nando Timmer and Erik Quaeghebeur",

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TY - JOUR

T1 - Probabilistic Design of Airfoils for Horizontal Axis Wind Turbines

AU - Balbino Dos Santos Pereira, Ricardo

AU - De Oliveira Andrade, Gael

AU - Timmer, Nando

AU - Quaeghebeur, Erik

PY - 2018

Y1 - 2018

N2 - We describe a probabilistic approach to design airfoils for wind energy applications. An analytical expression is derived for the probability of perturbations to the operational blade-section angle of attack. It includes the combined influence of wind shear, yaw-misalignment, and turbulence intensity. The theoretical fluctuations in angle of attack are validated against an aero-structural simulation of a 10 MW horizontal axis wind turbine, operating under different inflow conditions. Finally we incorporate the probabilistic approach into a multi-objective airfoil optimization problem, which is solved with a genetic algorithm. The results illustrate the compromise between airfoil performance for a specific angle of attack and robustness of airfoil performance over a large range of angle of attack fluctuations

AB - We describe a probabilistic approach to design airfoils for wind energy applications. An analytical expression is derived for the probability of perturbations to the operational blade-section angle of attack. It includes the combined influence of wind shear, yaw-misalignment, and turbulence intensity. The theoretical fluctuations in angle of attack are validated against an aero-structural simulation of a 10 MW horizontal axis wind turbine, operating under different inflow conditions. Finally we incorporate the probabilistic approach into a multi-objective airfoil optimization problem, which is solved with a genetic algorithm. The results illustrate the compromise between airfoil performance for a specific angle of attack and robustness of airfoil performance over a large range of angle of attack fluctuations

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DO - 10.1088/1742-6596/1037/2/022042

M3 - Conference article

SN - 1742-6588

VL - 1037

JO - Journal of Physics: Conference Series

JF - Journal of Physics: Conference Series

M1 - 022042

T2 - TORQUE 2018

Y2 - 20 June 2018 through 22 June 2018

ER -

Probabilistic Design of Airfoils for Horizontal Axis Wind Turbines

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