Stefan Ivanell

Ivanell, Stefan; Liljenfeldt, Johanna; Möllerström, Erik; Ottermo, Fredric et al.

Studentlitteratur AB, 2025

A fast-running physics-based wake model for a semi-infinite wind farm

Bastankhah, Majid; Mohammadi, Mohammad Mehdi; Lees, Charlie; Navarro Diaz, Gonzalo et al.

Ingår i Journal of Fluid Mechanics, 2024

DOI för A fast-running physics-based wake model for a semi-infinite wind farm
Ladda ner fulltext (pdf) av A fast-running physics-based wake model for a semi-infinite wind farm

Machine learning methods to improve spatial predictions of coastal wind speed profiles and low-level jets using single-level ERA5 data

Hallgren, Christoffer; Aird, Jeanie A.; Ivanell, Stefan; Körnich, Heiner et al.

Ingår i Wind Energy Science, s. 821-840, 2024

An actuator sector model for wind power applications: a parametric study

Mohammadi, Mohammad Mehdi; Olivares-Espinosa, Hugo; Navarro Diaz, Gonzalo Pablo; Ivanell, Stefan

Ingår i Wind Energy Science, s. 1305-1321, 2024

An aeroelastic coupling of an actuator sector model with OpenFAST in atmospheric flows

Mohammadi, Mohammad Mehdi; Chanprasert, Warit; Olivares-Espinosa, Hugo; Ivanell, Stefan

Ingår i SCIENCE OF MAKING TORQUE FROM WIND, TORQUE 2024, 2024

Impact of turbine availability and wake effect on the application of dynamic thermal rating of wind farm export transformers

Li, Zhongtian; Hilber, Patrik; Laneryd, Tor; Navarro Diaz, Gonzalo et al.

Ingår i Energy Reports, s. 1399-1411, 2024

The characteristics of helically deflected wind turbine wakes

Korb, Henry; Asmuth, Henrik; Ivanell, Stefan

Ingår i Journal of Fluid Mechanics, 2023

Validation of a Lattice Boltzmann Solver Against Wind Turbine Response and Wake Measurements

Korb, Henry; Asmuth, Henrik; Ivanell, Stefan

Ingår i WAKE CONFERENCE 2023, 2023

How Fast is Fast Enough?: Industry Perspectives on the Use of Large-eddy Simulation in Wind Energy

Asmuth, Henrik; Korb, Henry; Ivanell, Stefan

Ingår i WAKE CONFERENCE 2023, 2023

Peculiar Winds At The Coast: And How To Catch Them!

Hallgren, Christoffer; Ivanell, Stefan; Körnich, Heiner; Sahlée, Erik

Ingår i Frontiers for Young Minds, 2023

Brief communication: On the definition of the low-level jet

Hallgren, Christoffer; Aird, Jeanie A.; Ivanell, Stefan; Körnich, Heiner et al.

Ingår i Wind Energy Science, s. 1651-1658, 2023

A Single-Column Method to Identify Sea and Land Breezes in Mesoscale-Resolving NWP Models

Hallgren, Christoffer; Körnich, Heiner; Ivanell, Stefan; Sahlée, Erik

Ingår i Weather and forecasting, s. 1025-1039, 2023

On the accuracy of predicting wind-farm blockage

Forsting, Alexander R. Meyer; Navarro Diaz, Gonzalo; Segalini, Antonio; Andersen, Soren J. et al.

Ingår i Renewable energy, s. 114-129, 2023

Actuator line model using simplified force calculation methods

Diaz, Gonzalo Pablo Navarro; Otero, Alejandro Daniel; Asmuth, Henrik; Sørensen, Jens Nørkaer et al.

Ingår i Wind Energy Science, s. 363-382, 2023

Comparison of three DWM-based wake models at above-rated wind speeds

Hanssen-Bauer, O. W.; Doubrawa, P.; Madsen, H. Aa; Asmuth, Henrik et al.

Ingår i WAKE CONFERENCE 2023, 2023

Wind Turbine Response in Waked Inflow: A Modelling Benchmark Against Full-Scale Measurements

Asmuth, Henrik; Navarro Diaz, Gonzalo; Madsen, Helge Aagard; Branlard, Emmanuel et al.

Ingår i Renewable energy, s. 868-887, 2022

Classification and properties of non-idealized coastal wind profiles - an observational study

Hallgren, Christoffer; Arnqvist, Johan; Nilsson, Erik O.; Ivanell, Stefan et al.

Ingår i Wind Energy Science, s. 1183-1207, 2022

Wall-modeled lattice Boltzmann large-eddy simulation of neutral atmospheric boundary layers

Asmuth, Henrik; Janßen, Christian F.; Olivares-Espinosa, Hugo; Ivanell, Stefan

Ingår i Physics of fluids, s. 105111-105111, 2021

The smoother the better?: A comparison of six post-processing methods to improve short-term offshore wind power forecasts in the Baltic Sea

Hallgren, Christoffer; Ivanell, Stefan; Körnich, Heiner; Vakkari, Ville et al.

Ingår i Wind Energy Science, s. 1205-1226, 2021

A sensitivity study of the WRF model in offshore wind modeling over the Baltic Sea

Li, Huidong; Carlsson, Björn; Wu, Lichuan; Hallgren, Christoffer et al.

Ingår i Geoscience Frontiers, 2021

Wind turbine wake inflow over a heterogeneous forest: comparison between measurement and LES simulation

Navarro Diaz, Gonzalo; Arnqvist, Johan; Ivanell, Stefan

Ingår i Journal of Physics, Conference Series, 2021

Exploring the application of reinforcement learning to wind farm control

Korb, Henry; Asmuth, Henrik; Stender, Merten; Ivanell, Stefan

Ingår i Journal of Physics, Conference Series, 2021

Sizing Transformer Considering Transformer Thermal Limits and Wind Farm Wake Effect

Li, Zhongtian; Morozovska, Kateryna; Hilber, Patrik; Laneryd, Tor et al.

Ingår i 2021 IEEE PES INNOVATIVE SMART GRID TECHNOLOGIES - ASIA (ISGT ASIA), 2021

DOI för Sizing Transformer Considering Transformer Thermal Limits and Wind Farm Wake Effect

Assessment of Weak Compressibility in Actuator Line Simulations of Wind Turbine Wakes

Asmuth, Henrik; Janßen, Christian F.; Olivares-Espinosa, Hugo; Nilsson, Karl et al.

Ingår i Journal of Physics, Conference Series, 2020

Actuator line simulations of wind turbine wakes using the lattice Boltzmann method

Asmuth, Henrik; Olivares-Espinosa, Hugo; Ivanell, Stefan

Ingår i Wind Energy Science, s. 623-645, 2020

Looking for an Offshore Low-Level Jet Champion among Recent Reanalyses: A Tight Race over the Baltic Sea

Hallgren, Christoffer; Arnqvist, Johan; Ivanell, Stefan; Kornich, Heiner et al.

Ingår i Energies, 2020

Global trends in the performance of large wind farms based on high-fidelity simulations

Juhl Andersen, Søren; Breton, Simon-Philippe; Witha, Björn; Ivanell, Stefan et al.

Ingår i Wind Energy Science, s. 1689-1703, 2020

Dependence of wind turbine loads on inlet flow field

Hanssen-Bauer, O. W.; de Vaal, J. B.; Tutkun, M.; Asmuth, Henrik et al.

Ingår i Science of making torque from wind (TORQUE 2020), pts 1-5, 2020

Large-eddy simulations of the evolution of imposed turbulence in forced boundary layers in a very long domain

Eriksson, Ola; Nilsson, Karl; Breton, Simon-Philippe; Ivanell, Stefan

Ingår i Wind Energy, s. 1482-1493, 2020

Analytical body forces in numerical actuator disc model of wind turbines

Sörensen, Jens Nörkaer; Nilsson, Karl; Ivanell, Stefan; Asmuth, Henrik et al.

Ingår i Renewable energy, s. 2259-2271, 2020

DOI för Analytical body forces in numerical actuator disc model of wind turbines

The Actuator Line Model in Lattice Boltzmann Frameworks: Numerical Sensitivity and Computational Performance

Asmuth, Henrik; Olivares-Espinosa, Hugo; Nilsson, Karl; Ivanell, Stefan

Ingår i Journal of Physics, Conference Series, 2019

Investigation of Turbulence Accuracy When Modeling Wind in Realistic Forests Using LES

Arnqvist, Johan; Olivares-Espinosa, Hugo; Ivanell, Stefan

Ingår i Progress In Turbulence Viii, s. 291-296, 2019

DOI för Investigation of Turbulence Accuracy When Modeling Wind in Realistic Forests Using LES

Impact of Wind Veer and the Coriolis Force for an Idealized Farm to Farm Interaction Case

Eriksson, Ola; Breton, Simon-Philippe; Nilsson, Karl; Ivanell, Stefan

Ingår i Applied Sciences, 2019

Assessment of wind fields over forested sites with LES and a nacelle lidar

Olivares-Espinosa, Hugo; Arnqvist, Johan; Ivanell, Stefan

Ingår i Wake conference, 2019

Wind Farm Power Production Assessment: Introduction of a New Actuator Disc Method and Comparison with Existing Models in the Context of a Case Study

Simisiroglou, Nikolaos; Polatidis, Heracles; Ivanell, Stefan

Ingår i Applied Sciences, 2019

Assessment of Turbulence Modelling in the Wake of an Actuator Disk with a Decaying Turbulence Inflow

Olivares-Espinosa, Hugo; Breton, Simon-Philippe; Nilsson, Karl; Masson, Christian et al.

Ingår i Applied Sciences, 2018

Micro-scale model comparison (benchmark) at the moderately complex forested site Ryningsnäs

Ivanell, Stefan; Arnqvist, Johan; Avila, Matias; Cavar, Dalibor et al.

Ingår i Wind Energy Science, s. 929-946, 2018

Energy transition Gotland: Renewable resources and system effects

Nilsson, Karl; Soares, José; Ivanell, Stefan

2018

Ladda ner fulltext (pdf) av Energy transition Gotland: Renewable resources and system effects

Validation of the actuator disc and actuator line techniques for yawed rotor flows using the New MEXICO experimental data

Breton, Simon-Philippe; Shen, W.Z.; Ivanell, Stefan

2017

Validation of the actuator disc approach using small-scale model wind turbines

Simisiroglou, Nikolaos; Breton, Simon-Philippe; Ivanell, Stefan

Ingår i Wind Energy Science, s. 587-601, 2017

High-Order Numerical Simulations of Wind Turbine Wakes

Kleusberg, E.; Mikkelsen, R. F.; Schlatter, P.; Ivanell, Stefan et al.

Ingår i WAKE CONFERENCE 2017, 2017

Complex terrain experiments in the New European Wind Atlas

Mann, J.; Angelou, N.; Arnqvist, Johan; Callies, D. et al.

Ingår i Philosophical Transactions. Series A, s. 1-23, 2017

The Long distance wake behind Horns Rev I studied using large eddy simulations and a wind turbine parameterization in WRF

Eriksson, Ola; Baltscheffsky, M.; Breton, Simon-Philippe; Söderberg, S. et al.

Ingår i Journal of Physics, Conference Series, 2017

A survey of modelling methods for high-fidelity wind farm simulations using large eddy simulation

Breton, Simon-Philippe; Sumner, J.; Sörensen, J. N.; Hansen, K. S. et al.

Ingår i Philosophical Transactions. Series A, 2017

DOI för A survey of modelling methods for high-fidelity wind farm simulations using large eddy simulation

Actuator line simulations of a Joukowsky and Tjaereborg rotor using spectral element and finite volume methods

Kleusberg, E.; Sarmast, Sasan; Schlatter, P.; Ivanell, Stefan et al.

Ingår i SCIENCE OF MAKING TORQUE FROM WIND (TORQUE 2016), 2016

Validation of the actuator line and disc techniques using the New MEXICO measurements

Sarmast, Sasan; Shen, W. Z.; Zhu, W. J.; Mikkelsen, R. F. et al.

Ingår i SCIENCE OF MAKING TORQUE FROM WIND (TORQUE 2016), 2016

Description and validation of the actuator disc approach in PHOENICS.

Simisiroglou, Nikolaos; Breton, Simon-Philippe; Gravdahl, Arne; Ivanell, Stefan

2016

The actuator disc concept in PHOENICS

Simisiroglou, Nikolaos; Karatsioris, Michael; Nilsson, Karl; Breton, Simon-Philippe et al.

Ingår i Energy Procedia, s. 269-277, 2016

Statistics of LES Simulations of Large Wind Farms

Andersen, Soren Juhl; Sorensen, Jens Norkaer; Mikkelsen, Robert; Ivanell, Stefan

Ingår i SCIENCE OF MAKING TORQUE FROM WIND (TORQUE 2016), 2016

Validation of the actuator disc approach in PHOENICS using small scale model wind turbines

Simisiroglou, Nikolaos; Sarmast, Sasan; Breton, Simon-Philippe; Ivanell, Stefan

Ingår i Science Of Making Torque From Wind (Torque 2016), 2016

Comparison of the near-wake between actuator-line simulations and a simplified vortex model of a horizontal-axis wind turbine

Sarmast, Sasan; Segalini, Antonio; Mikkelsen, Robert F.; Ivanell, Stefan

Ingår i Wind Energy, s. 471-481, 2016

DOI för Comparison of the near-wake between actuator-line simulations and a simplified vortex model of a horizontal-axis wind turbine

Large-eddy simulations of the Lillgrund wind farm

Nilsson, Karl; Ivanell, Stefan; Mikkelsen, Robert; Hansen, K.S. et al.

Ingår i Wind Energy, s. 449-467, 2015

DOI för Large-eddy simulations of the Lillgrund wind farm

Simulation of wind turbine wakes using the actuator line technique

Sörensen, Jens N.; Mikkelsen, Robert F.; Henningson, Dan S.; Ivanell, Stefan et al.

Ingår i Philosophical Transactions. Series A, s. 20140071, 2015

DOI för Simulation of wind turbine wakes using the actuator line technique

Validation of the actuator line method using near wake measurements of the MEXICO rotor

Nilsson, Karl; Shen, Wen Z.; Sorensen, Jens N.; Breton, Simon-Philippe et al.

Ingår i Wind Energy, s. 499-514, 2015

DOI för Validation of the actuator line method using near wake measurements of the MEXICO rotor

Large-eddy simulations of wind farm production and long distance wakes

Eriksson, Ola; Nilsson, Karl; Breton, Simon-Philippe; Ivanell, Stefan

Ingår i Wake Conference 2015, 2015

Comparison between experiments and Large-Eddy Simulations of tip spiral structure and geometry

Ivanell, Stefan; Leweke, T.; Sarmast, Sasan; Quaranta, H. U. et al.

Ingår i Wake Conference 2015, 2015

Quantifying variability of Large Eddy Simulations of very large wind farms

Andersen, S. J.; Witha, B.; Breton, Simon-Philippe; Sørensen, Jens Nørkær et al.

Ingår i Wake Conference 2015, 2015

Wake downstream of the Lillgrund wind farm - A Comparison between LES using the actuator disc method and a Wind farm Parametrization in WRF

Eriksson, Ola; Lindvall, J.; Breton, Simon-Philippe; Ivanell, Stefan

Ingår i WAKE CONFERENCE 2015, 2015

Comparison of actuator disc and Joukowsky rotor flows, to explore the need for a tip correction

van Kuik, Gijs; Yu, Wei; Sarmast, Sasan; Ivanell, Stefan

Ingår i Wake Conference 2015, 2015

Simulating wind farms in the Weather Research and Forecast model, resolution sensitivities.

Eriksson, Ola; Ivanell, Stefan; Byrkjedal, Øyvind; Lindvall, Johannes

2015

Ladda ner fulltext (pdf) av Simulating wind farms in the Weather Research and Forecast model, resolution sensitivities.

Mutual inductance instability of the tip vortices behind a wind turbine

Sarmast, Sasan; Dadfar, Reza; Mikkelsen, Robert F.; Schlatter, Philipp et al.

Ingår i Journal of Fluid Mechanics, s. 705-731, 2014

Airfoil data sensitivity analysis for actuator disc simulations used in wind turbine applications

Nilsson, Karl; Breton, Simon-Philippe; Sørensen, Jens Nørkær; Ivanell, Stefan

Ingår i Science of Making Torque from Wind, 2014

Analysis of long distance wakes of Horns Rev I using actuator disc approach

Eriksson, Ola; Mikkelsen, R.; Hansen, K. S.; Nilsson, Karl et al.

Ingår i Science of Making Torque from Wind 2012, 2014

Study of the influence of imposed turbulence on the asymptotic wake deficit in a very long line of wind turbines

Breton, Simon-Philippe; Nilsson, K.; Olivares-Espinosa, H.; Masson, C. et al.

Ingår i Renewable energy, s. 153-163, 2014

DOI för Study of the influence of imposed turbulence on the asymptotic wake deficit in a very long line of wind turbines

Analysis of the effect of curtailment on power and fatigue loads of two aligned wind turbines using an actuator disc approach

Martinen, Silke; Carlén, Ingemar; Nilsson, Karl; Breton, Simon-Philippe et al.

Ingår i Science of Making Torque from Wind, 2014

Comparison of Engineering Wake Models with CFD Simulations

Andersen, S.J.; Sørensen, Jens; Ivanell, Stefan; Mikkelsen, Robert

Ingår i Journal of Physics, Conference Series, 2014

Analysis of long distance wakes behind a row of turbines – a parameter study

Eriksson, Ola; Nilsson, Karl; Breton, Simon-Philippe; Ivanell, Stefan

Ingår i Science of Making Torque from Wind, 2014

Determination of Wind Turbine Near-Wake Length Based on Stability Analysis

Sörensen, Jens; Sarmast, S.; Mikkelsen, Robert; Ivanell, Stefan et al.

Ingår i Journal of Physics, Conference Series, 2014

Wind Energy - Impact of Turbulence

Hölling, Michael; Peinke, Joachim; Ivanell, Stefan

Springer, 2014

Validation of the actuator line method using near wake measurements of the MEXICO rotor.

Nilsson, Karl; Shen, Wen Zhong; Sørensen, Jens; Breton, Simon-Philippe et al.

Ingår i Wind Energy, 2014

Numerical CFD Comparison of Lillgrund Employing RANS

Simisiroglou, Nikolaos; Breton, Simon-Philippe; Ivanell, Stefan; Crasto, G. et al.

Ingår i Energy Procedia 53, 2014

Numerical CFD comparison of Lillgrund employing RANS EERA

Simisiroglou, Nikolaos; Breton, Simon-Philippe; Crasto, G.; Hansen, K.S. et al.

2014

Wind Turbine Wake Modeling - Possibilities with Actuator line/disc approaches

Ivanell, Stefan; Mikkelsen, Robert

Ingår i Wiley Energy Encyclopedia, 2014

Micro-siting/positioning of wind turbines: introducing a multi-criteria decision analysis framework

Polatidis, Heracles; Ivanell, Stefan

Ingår i 7th International Multi-Conference on Engineering and Technological Innovation, s. 23-27, 2014

Ladda ner fulltext (pdf) av Micro-siting/positioning of wind turbines: introducing a multi-criteria decision analysis framework

Comparative CFD study of the effect of the presence of downstream turbines on upstream ones using a rotational speed control system

Breton, Simon-Philippe; Nilsson, Karl; Ivanell, Stefan; Olivares-Espinosa, H. et al.

Ingår i Science of Making Torque from Wind 2012, 2014

Optimization of Large Wind Farms, The Nordic Consortium, Activity report 2009-2012: Elforsk rapport 13:12

Ivanell, Stefan; Carlen, Ingemar; Nilsson, Karl; Sarmast, Sasan et al.

2013

LES of the Lillgrund wind farm using a torque based power controller

Nilsson, Karl; Ivanell, Stefan; Hansen, K.S.; Mikkelsen, Robert et al.

2013

Characterization of wind turbine wakes in a non-sheared turbulent flow

Olivares-Espinosa, Hugo; Breton, Simon-Philippe; Nilsson, Karl; Masson, Christian et al.

Ingår i Proceedings of the 2013 International Conference on Aerodynamics of Offshore Wind Energy Systems and Wakes (ICOWES2013), s. 435-449, 2013

Ladda ner fulltext (pdf) av Characterization of wind turbine wakes in a non-sheared turbulent flow

Study Of The Influence Of Atmospheric turbulence On The Asymptotic wake Deficit In A very Long Line Of Wind Turbines

Breton, Simon-Philippe; Nilsson, Karl; Olivares-Espinosa, Hugo; Masson, Christian et al.

Ingår i Proceedings of the 2013 International Conference on Aerodynamics of Offshore Wind Energy Systems and Wakes (ICOWES 2013), s. 420-434, 2013

Ladda ner fulltext (pdf) av Study Of The Influence Of Atmospheric turbulence On The Asymptotic wake Deficit In A very Long Line Of Wind Turbines

Instant Wind: Model reduction for fast CFD computations

Vogstad, Klaus; Bhutoria, Vaibhav; Amund Lund, John; Ivanell, Stefan et al.

2012

Ladda ner fulltext (pdf) av Instant Wind: Model reduction for fast CFD computations

Power estimation of the Lillgrund Wind farm using different actuator disc approaches - A base line case study

Nilsson, Karl; Ivanell, Stefan

2012

A technical Note - Methods used in wake simulations of floating turbines

Ivanell, Stefan; Nilsson, Karl; Mikkelsen, Robert

2012

CFD Actuator disc analysis of the Lillgrund wind farm

Nilsson, Karl; Mikkelsen, Robert; Hansen, K.S.; Ivanell, Stefan

2012

A survey of available data and studies of Farm-Farm interaction

Eriksson, Ola; Ivanell, Stefan

2012

Power control system of a simulated wind turbine

Nilsson, Karl; Breton, Simon-Philippe; Ivanell, Stefan

Ingår i , 2012

Stability of the helical tip vortices behind a wind turbine

Sarmast, S.; Schlatter, P.; Ivanell, Stefan; Mikkelsen, Robert et al.

2012

Simulation and Modelling of Turbulent Wind Fields in Wind Farms: DTU Mechanical Engineering contribution to TOPFARM Work Package 1

Ivanell, Stefan; Sørensen, Jens; Mikkelsen, Robert; Troldborg, N. et al.

2011

Determination of the tip vortex trajectory behind the MEXICO rotor

Nilsson, Karl; Shen, Wen Zhong; Sørensen, Jens; Ivanell, Stefan

2011

Analysis of wind turbine flow structure using Koopman mode decomposition technique

Sarmast, Sasan; Bagheri, Shervin; Ilak, Milos; Ivanell, Stefan et al.

2011

The upstream flow of a wind turbine: blockage effect

Medici, D.; Ivanell, Stefan; Dahlberg, J-Å.; Alfredsson, P.H.

Ingår i Wind Energy, 2011

DOI för The upstream flow of a wind turbine: blockage effect

The impact of wind direction in atmospheric BL on interacting wakes at Horns Rev wind farm

Ivanell, Stefan; Mikkelsen, Robert; Sørensen, Jens; Henningson, D.

2010

ACD Modelling of Wake Interaction in the Horns Rev Wind Farm

Ivanell, Stefan; Mikkelsen, Robert; Sørensen, Jens

Ingår i Extended Abstracts for Euromech Colloquium 508, 2009, 2009

Analysis of Numerically Generated Wake Structures

Ivanell, Stefan; Sørensen, Jens; Mikkelsen, Robert; Henningson, D.

Ingår i Wind Energy, 2009

DOI för Analysis of Numerically Generated Wake Structures

The winds are twisting: analysis of strong directional shear across the rotor plane using coastal lidar measurements and ERA5

Hallgren, Christoffer; Körnich, Heiner; Ivanell, Stefan; Ville, Vakkari et al.

Kort presentation

Publikationer

Urval av publikationer

Senaste publikationer

Alla publikationer

Artiklar i tidskrift

Artiklar, forskningsöversikt

Böcker

Konferensbidrag

Manuskript (preprint)

Rapporter