Grand challenges in the science of wind energy
P Veers, K Dykes, E Lantz, S Barth, CL Bottasso… - Science, 2019 - science.org
BACKGROUND A growing global population and an increasing demand for energy services
are expected to result in substantially greater deployment of clean energy sources. Wind …
are expected to result in substantially greater deployment of clean energy sources. Wind …
On critical aeroelastic modes of a tri-rotor wind turbine
OT Filsoof, A Yde, P Bøttcher, X Zhang - International Journal of …, 2021 - Elsevier
This paper presents the first investigation on a high-fidelity linear time-invariant aeroelastic
model of multi-rotor wind turbines with three-bladed rotors. The modeling method developed …
model of multi-rotor wind turbines with three-bladed rotors. The modeling method developed …
[HTML][HTML] Vortex-induced vibrations of wind turbines: From single blade to full rotor simulations
Vortex-induced vibrations (VIVs) of wind turbine blades are a phenomenon that cannot be
predicted sufficiently accurate by low fidelity methods. High fidelity methods, such as …
predicted sufficiently accurate by low fidelity methods. High fidelity methods, such as …
Linear time periodic system approximation based on Floquet and Fourier transformations for operational modal analysis and damage detection of wind turbine
A Cadoret, ED Goy, JM Leroy, JL Pfister… - Mechanical Systems and …, 2024 - Elsevier
Abstract Operational Modal Analysis (OMA) identifies modal properties of mechanical
structures from vibration data collected from a few sensors under operation conditions …
structures from vibration data collected from a few sensors under operation conditions …
Stability analysis of vortex-induced vibrations on wind turbines
A parked wind turbine can be subjected to large yaw angles, which causes vortex shedding.
Under some particular inflow conditions, the interaction between the shed vorticity and the …
Under some particular inflow conditions, the interaction between the shed vorticity and the …
An intuitive representation and analysis of multi‐rotor wind turbine whirling modes
OT Filsoof, X Zhang - Wind Energy, 2022 - Wiley Online Library
A multi‐rotor wind turbine (MRWT) is a concept that can reduce the size of the rotor blades
compared to a single‐rotor wind turbine (SRWT). Making a cost‐optimized MRWT requires a …
compared to a single‐rotor wind turbine (SRWT). Making a cost‐optimized MRWT requires a …
Application of Time-Variant Systems Theory to the Unsteady Aerodynamics of Rotary Wings
D Quero - AIAA Journal, 2024 - arc.aiaa.org
This work employs the principles of time-variant systems theory to investigate the unsteady
aerodynamics of rotary-wing configurations under periodic equilibrium conditions. Their …
aerodynamics of rotary-wing configurations under periodic equilibrium conditions. Their …
Aeroelastic Stability Analysis of a Quad-Rotor Wind Turbine
This paper presents the aeroelastic stability analysis of a quad-rotor wind turbine and
identifies modes with low damping that are otherwise not present on a single-rotor wind …
identifies modes with low damping that are otherwise not present on a single-rotor wind …
Efficient calculation of stabilization parameters in RF power amplifiers
This article proposes an efficient method for the calculation of the stabilization parameters in
RF power amplifiers operating in periodic large-signal regimes. Stabilization is achieved by …
RF power amplifiers operating in periodic large-signal regimes. Stabilization is achieved by …
A Simplified Dynamic Strength Analysis of Cardboard Packaging Subjected to Transport Loads
D Mrówczyński, T Gajewski, T Garbowski - Materials, 2023 - mdpi.com
The article presents a simplified method for determining the strength of corrugated board
packaging subjected to dynamic transport loads. The proposed algorithm consists of several …
packaging subjected to dynamic transport loads. The proposed algorithm consists of several …