Articles you may be interested in Decay of the supersonic turbulent wakes from micro-ramps The interaction of helical tip and root vortices in a wind turbine wake Distribution of spanwise enstrophy in the near wake of three symmetric elongated bluff bodies at high Reynolds number Large eddy simulation study of scalar transport in fully developed wind-turbine array boundary layers Phys. Effect o...

Site-specific wind field characteristics have a significant impact on the structural response and the lifespan of wind turbines. This paper presents a machine learning approach towards analyzing and predicting the response of wind turbine structures to varying wind field characteristics. Machine learning algorithms are applied (i) to better understand changes of wind field characteristics due t...

In this article, the flow behavior around a NACA 0012 airfoil which is oscillating with different Reynolds numbers and in various amplitudes has been investigated numerically. Numerical simulations have been performed with ANSYS software. First, the 2D geometry has been studied in different Reynolds numbers and angles of attack with various numerical methods in its static condition. This analys...

General energy demand is continuously increasing, thus the generating assets need to be optimised for higher efficiency. Wind turbines are no exception. Their maximum efficiency can determined on a theoretical basis. The limit approached by researches day day, utilizing latest developments in airfoil design, blade structure and new improved ideas conventional unconventional wind turbine layouts...

Abstract Modern wind turbines are prone to Vortex Induced Vibrations (VIV). In the present work, an engineering semi-empirical framework is proposed that assesses VIV aero-elastic instabilities of turbine configurations. The procedure employs tools relying on airfoil polars. It uses state-of-the-art tool hGAST along with EUROCODE for steel structures extended provides missing modal input data (...

The present paper aims at describing and comparing different small Vertical Axis Wind Turbine (VAWT) architectures, in terms of performance and loads. These characteristics can be highlighted by resorting to the Blade Element-Momentum (BE-M) model, commonly adopted for rotor pre-design and controller assessment. After validating the model with experimental data, the paper focuses on the analysi...

This study examined the aerodynamic power output change of wind turbines with inter-turbine spacing variation for a 6 MW wind farm composed of three sets of 2 MW wind turbines using computational fluid dynamics (CFD). The wind farm layout design is becoming increasingly important as the use of wind energy is steadily increasing. Among the many wind farm layout design parameters, the inter-turbi...

This paper gives an overview of Modeling and simulation of Doubly Fed Induction generator (DFIG) coupled with wind turbine. Latest researches and developments which have been published in imminent journals through rigorous review are overviewed in this paper. Because of the advantages of the DFIG over other generators it is being used for most of the wind applications. Various researches have b...

Individual pitch control (IPC) for wind turbine load reduction in Region 3 operation is improved when wake interaction is considered. The Larsen wake model is applied for composing the rotor wind profile for downstream turbines under wake interaction. The wind profile of the turbine wake was generated by modifying the NREL’s TurbSim codes. The state-space models of wind turbine were obtained vi...