Investigation of the floating IEA Wind 15 MW RWT using vortex methods Part I: Flow regimes and wake recovery

N Ramos‐García, S Kontos, A Pegalajar‐Jurado… - Wind …, 2022 - Wiley Online Library
Floating wind turbines have the potential to enable global exploitation of offshore wind
energy, but there is a need to further understand the complex aerodynamic phenomena they …

Power curve and wake analyses of the Vestas multi-rotor demonstrator

MP van der Laan, SJ Andersen… - Wind Energy …, 2019 - wes.copernicus.org
Numerical simulations of the Vestas multi-rotor demonstrator (4R-V29) are compared with
field measurements of power performance and remote sensing measurements of the wake …

Design optimization of a curved wind turbine blade using neural networks and an aero-elastic vortex method under turbulent inflow

M Sessarego, J Feng, N Ramos-García, SG Horcas - Renewable Energy, 2020 - Elsevier
This article describes the application of neural networks for the design optimization of a
curved wind turbine blade using an aero-elastic simulator with synthetic inflow turbulence. A …

Aero‐hydro‐servo‐elastic coupling of a multi‐body finite‐element solver and a multi‐fidelity vortex method

N Ramos‐García, M Sessarego, SG Horcas - Wind Energy, 2021 - Wiley Online Library
The manuscript presents a novel aero‐hydro‐servo‐elastic coupling framework, MIRAS‐
HAWC2. In this coupling, the wind turbine blades and rotor‐wake aerodynamics are …

Investigation of the floating IEA wind 15‐MW RWT using vortex methods Part II: Wake impact on downstream turbines under turbulent inflow

N Ramos‐García, S González Horcas… - Wind …, 2022 - Wiley Online Library
The manuscript presents a novel numerical investigation on the impact of the wake of a
floating IEA wind 15‐MW reference wind turbine (RWT) on downstream machines using a …

[PDF][PDF] OLAF User's Guide and Theory Manual

K Shaler, E Branlard, A Platt - 2020 - osti.gov
This report consists of the user's guild and theory manual for a newly-integrated free vortex
wake method (OLAF) into OpenFAST. The report will serve as a reference for all pertinent …

Multi-fidelity vortex simulations of rotor flows: Validation against detailed wake measurements

N Ramos-García, A Abraham, T Leweke… - Computers & Fluids, 2023 - Elsevier
Two flow models with different fidelity of the DTU vortex solver MIRAS have been used to
simulate the wake generated by a model wind turbine with various levels of asymmetry …

Nonlinear aeroelastic analysis of large wind turbines under turbulent wind conditions

AK Sabale, NKV Gopal - AIAA journal, 2019 - arc.aiaa.org
We investigate in this Paper the nonlinear aeroelastic response of large horizontal axis wind
turbines under a stochastically simulated turbulent wind field, which is instantaneously …

Hybrid vortex simulations of wind turbines using a three‐dimensional viscous–inviscid panel method

N Ramos‐García, MM Hejlesen, JN Sørensen… - Wind …, 2017 - Wiley Online Library
A hybrid filament‐mesh vortex method is proposed and validated to predict the aerodynamic
performance of wind turbine rotors and to simulate the resulting wake. Its novelty consists of …

Analysis of the coupled aeroelastic wake behavior of wind turbine

Z Ma, P Zeng, LP Lei - Journal of Fluids and Structures, 2019 - Elsevier
With the development of wind energy in recent years, the aeroelastic performances and the
wake characteristics of a wind turbine and their effect on the downstream wind turbine have …