Aero-Elastic Stability of Horizontal Axis Wind Turbine Blades

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SINA S.

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Journal Paper

Paper Information

Journal: RENEWABLE ENERGY RESEARCH AND APPLICATIONS Year:2021 | Volume:2 | Issue:2 Page(s): 165-168

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Information Journal Paper

Title

Aero-Elastic Stability of Horizontal Axis Wind Turbine Blades

Author(s)

SINA S. | Issue Writer Certificate

Keywords

Wind Turbine Blade

Aero-elasticity

Unsteady Aerodynamic

Thin-Walled Composite Beam

Pre-twist Angle

Abstract

Multi-Megawatt wind turbines have long, slender, and heavy blades that can undergo extreme wind loadings. The aero-elastic stability of wind turbine blades is of great importance in both the power production and the load carrying capacity of structure. This paper investigates the aero-elastic stability of wind turbine blades modeled as thin-walled composite box beam utilizing unsteady incompressible aerodynamics. The structural model incorporates a number of non-classical effects such as the transverse shear, warping inhibition, nonuniform torsional model, and rotary inertia. The unsteady incompressible aerodynamics based on the Wagner’ s function is used in order to determine the aerodynamic loads. The governing differential equations of motion are obtained using the Hamilton’ s principle, and solved using the extended Galerkin’ s method. The results obtained are related to clarification of the effects of angular velocity and wind speed on the aeroelastic instability boundaries of the thin-walled composite beams. The results are expected to be useful toward obtaining better predictions of the aero-elastic behavior of composite rotating blades.

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APA: Copy

SINA, S.. (2021). Aero-Elastic Stability of Horizontal Axis Wind Turbine Blades. RENEWABLE ENERGY RESEARCH AND APPLICATIONS, 2(2), 165-168. SID. https://sid.ir/paper/988939/en

Vancouver: Copy

SINA S.. Aero-Elastic Stability of Horizontal Axis Wind Turbine Blades. RENEWABLE ENERGY RESEARCH AND APPLICATIONS[Internet]. 2021;2(2):165-168. Available from: https://sid.ir/paper/988939/en

IEEE: Copy

S. SINA, “Aero-Elastic Stability of Horizontal Axis Wind Turbine Blades,” RENEWABLE ENERGY RESEARCH AND APPLICATIONS, vol. 2, no. 2, pp. 165–168, 2021, [Online]. Available: https://sid.ir/paper/988939/en

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