Stefan Ivanell
Professor at Institutionen för geovetenskaper; Vindenergi
- Telephone:
- +46 18 471 83 60
- E-mail:
- stefan.ivanell@geo.uu.se
- Visiting address:
- Campus Gotland, Cramérgatan 3
SE-62157 Visby
Sweden - Postal address:
- Uppsala universitet, Campus Gotland
SE-62167 Visby
Sweden
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Short presentation
I am Professor and Head of Section, Section of Wind Energy, Department of Earth Sciences, Campus Gotland, Uppsala University. I am Director of STandUP for Wind, www.standupforwind.se, a centre coordinating wind energy activities at the Royal Institute of Technology (KTH), Uppsala University, Luleå Technical University and SLU. You will find information about my courses, research projects, publications, at www.ivanell.se
Publications
Selection of publications
- Large-eddy simulations of the evolution of imposed turbulence in forced boundary layers in a very long domain (2020)
- Analytical body forces in numerical actuator disc model of wind turbines (2020)
- Impact of Wind Veer and the Coriolis Force for an Idealized Farm to Farm Interaction Case (2019)
- Wind Farm Power Production Assessment (2019)
- Micro-scale model comparison (benchmark) at the moderately complex forested site Ryningsnäs (2018)
- Energy transition Gotland (2018)
- Assessment of Turbulence Modelling in the Wake of an Actuator Disk with a Decaying Turbulence Inflow (2018)
- Validation of the actuator disc and actuator line techniques for yawed rotor flows using the New MEXICO experimental data (2017)
- A survey of modelling methods for high-fidelity wind farm simulations using large eddy simulation (2017)
- The Long distance wake behind Horns Rev I studied using large eddy simulations and a wind turbine parameterization in WRF (2017)
- High-Order Numerical Simulations of Wind Turbine Wakes (2017)
- Complex terrain experiments in the New European Wind Atlas (2017)
- Validation of the actuator disc approach using small-scale model wind turbines (2017)
- Statistics of LES Simulations of Large Wind Farms (2016)
- Actuator line simulations of a Joukowsky and Tjaereborg rotor using spectral element and finite volume methods (2016)
- Comparison of the near-wake between actuator-line simulations and a simplified vortex model of a horizontal-axis wind turbine (2016)
- Validation of the actuator line and disc techniques using the New MEXICO measurements (2016)
- Description and validation of the actuator disc approach in PHOENICS. (2016)
- The actuator disc concept in PHOENICS (2016)
- Validation of the actuator disc approach in PHOENICS using small scale model wind turbines (2016)
- Quantifying variability of Large Eddy Simulations of very large wind farms (2015)
- Simulating wind farms in the Weather Research and Forecast model, resolution sensitivities. (2015)
- Wake downstream of the Lillgrund wind farm - A Comparison between LES using the actuator disc method and a Wind farm Parametrization in WRF (2015)
- Large-eddy simulations of wind farm production and long distance wakes (2015)
- Comparison between experiments and Large-Eddy Simulations of tip spiral structure and geometry (2015)
- Large-eddy simulations of the Lillgrund wind farm (2015)
- Validation of the actuator line method using near wake measurements of the MEXICO rotor (2015)
- Simulation of wind turbine wakes using the actuator line technique (2015)
- Comparison of actuator disc and Joukowsky rotor flows, to explore the need for a tip correction (2015)
- Comparison of Engineering Wake Models with CFD Simulations (2014)
- Study of the influence of imposed turbulence on the asymptotic wake deficit in a very long line of wind turbines (2014)
- Comparative CFD study of the effect of the presence of downstream turbines on upstream ones using a rotational speed control system (2014)
- Analysis of long distance wakes of Horns Rev I using actuator disc approach (2014)
- Analysis of long distance wakes behind a row of turbines – a parameter study (2014)
- Analysis of the effect of curtailment on power and fatigue loads of two aligned wind turbines using an actuator disc approach (2014)
- Airfoil data sensitivity analysis for actuator disc simulations used in wind turbine applications (2014)
- Micro-siting/positioning of wind turbines (2014)
- Mutual inductance instability of the tip vortices behind a wind turbine (2014)
- Determination of Wind Turbine Near-Wake Length Based on Stability Analysis (2014)
- Study Of The Influence Of Atmospheric turbulence On The Asymptotic wake Deficit In A very Long Line Of Wind Turbines (2013)
- Optimization of Large Wind Farms, The Nordic Consortium, Activity report 2009-2012 (2013)
- Characterization of wind turbine wakes in a non-sheared turbulent flow (2013)
- A technical Note - Methods used in wake simulations of floating turbines (2012)
- Power estimation of the Lillgrund Wind farm using different actuator disc approaches - A base line case study (2012)
- Instant Wind (2012)
- Simulation and Modelling of Turbulent Wind Fields in Wind Farms (2011)
Recent publications
- Machine learning methods to improve spatial predictions of coastal wind speed profiles and low-level jets using single-level ERA5 data (2024)
- Impact of turbine availability and wake effect on the application of dynamic thermal rating of wind farm export transformers (2024)
- How Fast is Fast Enough? (2023)
- Actuator line model using simplified force calculation methods (2023)
- On the accuracy of predicting wind-farm blockage (2023)
All publications
Articles
- Machine learning methods to improve spatial predictions of coastal wind speed profiles and low-level jets using single-level ERA5 data (2024)
- Impact of turbine availability and wake effect on the application of dynamic thermal rating of wind farm export transformers (2024)
- Actuator line model using simplified force calculation methods (2023)
- On the accuracy of predicting wind-farm blockage (2023)
- Brief communication (2023)
- Peculiar Winds At The Coast (2023)
- A Single-Column Method to Identify Sea and Land Breezes in Mesoscale-Resolving NWP Models (2023)
- A Single-Column Method to Identify Sea and Land Breezes in Mesoscale-Resolving NWP Models (2023)
- The characteristics of helically deflected wind turbine wakes (2023)
- Wind Turbine Response in Waked Inflow: A Modelling Benchmark Against Full-Scale Measurements (2022)
- Classification and properties of non-idealized coastal wind profiles - an observational study (2022)
- Wall-modeled lattice Boltzmann large-eddy simulation of neutral atmospheric boundary layers (2021)
- The smoother the better? (2021)
- Exploring the application of reinforcement learning to wind farm control (2021)
- A sensitivity study of the WRF model in offshore wind modeling over the Baltic Sea (2021)
- Wind turbine wake inflow over a heterogeneous forest (2021)
- Assessment of Weak Compressibility in Actuator Line Simulations of Wind Turbine Wakes (2020)
- Actuator line simulations of wind turbine wakes using the lattice Boltzmann method (2020)
- Large-eddy simulations of the evolution of imposed turbulence in forced boundary layers in a very long domain (2020)
- Looking for an Offshore Low-Level Jet Champion among Recent Reanalyses (2020)
- Global trends in the performance of large wind farms based on high-fidelity simulations (2020)
- Analytical body forces in numerical actuator disc model of wind turbines (2020)
- The Actuator Line Model in Lattice Boltzmann Frameworks (2019)
- Impact of Wind Veer and the Coriolis Force for an Idealized Farm to Farm Interaction Case (2019)
- Wind Farm Power Production Assessment (2019)
- Micro-scale model comparison (benchmark) at the moderately complex forested site Ryningsnäs (2018)
- Assessment of Turbulence Modelling in the Wake of an Actuator Disk with a Decaying Turbulence Inflow (2018)
- A survey of modelling methods for high-fidelity wind farm simulations using large eddy simulation (2017)
- The Long distance wake behind Horns Rev I studied using large eddy simulations and a wind turbine parameterization in WRF (2017)
- Complex terrain experiments in the New European Wind Atlas (2017)
- Validation of the actuator disc approach using small-scale model wind turbines (2017)
- Comparison of the near-wake between actuator-line simulations and a simplified vortex model of a horizontal-axis wind turbine (2016)
- Large-eddy simulations of the Lillgrund wind farm (2015)
- Validation of the actuator line method using near wake measurements of the MEXICO rotor (2015)
- Simulation of wind turbine wakes using the actuator line technique (2015)
- Comparison of Engineering Wake Models with CFD Simulations (2014)
- Study of the influence of imposed turbulence on the asymptotic wake deficit in a very long line of wind turbines (2014)
- Analysis of long distance wakes of Horns Rev 1 using actuator disc approach (2014)
- Wind Turbine Wake Modeling - Possibilities with Actuator line/disc approaches (2014)
- Validation of the actuator line method using near wake measurements of the MEXICO rotor. (2014)
- Mutual inductance instability of the tip vortices behind a wind turbine (2014)
- Determination of Wind Turbine Near-Wake Length Based on Stability Analysis (2014)
- The upstream flow of a wind turbine: blockage effect (2011)
- Analysis of Numerically Generated Wake Structures (2009)
- The winds are twisting: analysis of strong directional shear across the rotor plane using coastal lidar measurements and ERA5
Books
Conferences
- How Fast is Fast Enough? (2023)
- Comparison of three DWM-based wake models at above-rated wind speeds (2023)
- Validation of a Lattice Boltzmann Solver Against Wind Turbine Response and Wake Measurements (2023)
- Sizing Transformer Considering Transformer Thermal Limits and Wind Farm Wake Effect (2021)
- Dependence of wind turbine loads on inlet flow field (2020)
- Investigation of Turbulence Accuracy When Modeling Wind in Realistic Forests Using LES (2019)
- Assessment of wind fields over forested sites with LES and a nacelle lidar (2019)
- Validation of the actuator disc and actuator line techniques for yawed rotor flows using the New MEXICO experimental data (2017)
- High-Order Numerical Simulations of Wind Turbine Wakes (2017)
- Statistics of LES Simulations of Large Wind Farms (2016)
- Actuator line simulations of a Joukowsky and Tjaereborg rotor using spectral element and finite volume methods (2016)
- Validation of the actuator line and disc techniques using the New MEXICO measurements (2016)
- The actuator disc concept in PHOENICS (2016)
- Validation of the actuator disc approach in PHOENICS using small scale model wind turbines (2016)
- Quantifying variability of Large Eddy Simulations of very large wind farms (2015)
- Simulating wind farms in the Weather Research and Forecast model, resolution sensitivities. (2015)
- Wake downstream of the Lillgrund wind farm - A Comparison between LES using the actuator disc method and a Wind farm Parametrization in WRF (2015)
- Large-eddy simulations of wind farm production and long distance wakes (2015)
- Comparison between experiments and Large-Eddy Simulations of tip spiral structure and geometry (2015)
- Comparison of actuator disc and Joukowsky rotor flows, to explore the need for a tip correction (2015)
- Comparative CFD study of the effect of the presence of downstream turbines on upstream ones using a rotational speed control system (2014)
- Analysis of long distance wakes of Horns Rev I using actuator disc approach (2014)
- Analysis of long distance wakes behind a row of turbines – a parameter study (2014)
- Analysis of the effect of curtailment on power and fatigue loads of two aligned wind turbines using an actuator disc approach (2014)
- Airfoil data sensitivity analysis for actuator disc simulations used in wind turbine applications (2014)
- Micro-siting/positioning of wind turbines (2014)
- Numerical CFD comparison of Lillgrund employing RANS EERA (2014)
- Numerical CFD Comparison of Lillgrund Employing RANS (2014)
- Study Of The Influence Of Atmospheric turbulence On The Asymptotic wake Deficit In A very Long Line Of Wind Turbines (2013)
- LES of the Lillgrund wind farm using a torque based power controller (2013)
- Characterization of wind turbine wakes in a non-sheared turbulent flow (2013)
- A survey of available data and studies of Farm-Farm interaction (2012)
- Power control system of a simulated wind turbine (2012)
- CFD Actuator disc analysis of the Lillgrund wind farm (2012)
- Stability of the helical tip vortices behind a wind turbine (2012)
- Determination of the tip vortex trajectory behind the MEXICO rotor (2011)
- Analysis of wind turbine flow structure using Koopman mode decomposition technique (2011)
- The impact of wind direction in atmospheric BL on interacting wakes at Horns Rev wind farm (2010)
- ACD Modelling of Wake Interaction in the Horns Rev Wind Farm (2009)
Reports
- Energy transition Gotland (2018)
- Description and validation of the actuator disc approach in PHOENICS. (2016)
- Optimization of Large Wind Farms, The Nordic Consortium, Activity report 2009-2012 (2013)
- A technical Note - Methods used in wake simulations of floating turbines (2012)
- Power estimation of the Lillgrund Wind farm using different actuator disc approaches - A base line case study (2012)
- Instant Wind (2012)
- Simulation and Modelling of Turbulent Wind Fields in Wind Farms (2011)
