Strömningsmekanik för vindturbiner i parker och i skog

Inom området strömningsmekanik så bedriver STandUP for Wind allt ifrån grundläggande studier av vindvakar till mer tillämpade studier av stora parker. Dessa studier bedrivs delvis genom beräkningar på superdatorer men även stora mätningar. Inom de olika projekten studeras t.ex. hur produktion, laster och turbiners livslängd beror på olika strömningsfenomen. Studierna genomförs delvis på offshore turbiner/parker men även turbiner/parker i komplexa miljöer som t.ex. svenska böljande skogslandskap studeras. 

Här under finns en lista med både pågående och avslutade projekt relaterade till strömningsmekanik för vindturbiner som StandUP for Winds medlemmar har varit involverade i samt ett urval av relevanta publikationer från StandUPs medlemmar.

Pågående project

  • NEWA - New European Wind Atlas (Sponsored by Energimyndigheten, EraNet+), from 2015-2019, kontaktperson: Stefan Ivanell, UU-Geo, 14 000 000 SEK

  • MexNext Phase III, IEA Task (Sponsored by Energimyndigheten), from 2015-2017, kontaktperson: Stefan Ivanell, UU-Geo, 900 000 SEK

  • Wakebench II, (Sponsored by Energimyndigheten), from 2015-2017, kontaktperson: Stefan Ivanell, UU-Geo,
    860 000 SEK

  • Wake physics and farm control (Sponsored by Energimyndigheten), from 2014-2018, kontaktperson: Stefan Ivanell, KTH-Mek & UU-Geo, 8 000 000 SEK

  • Vindforsk IV - Nordic Consortium; Optimization of large wind farms (Sponsored by Vindforsk, Energimyndigheten, Elforsk and industry groups), from 2014-2018, kontaktperson: Stefan Ivanell, UU-Geo & KTH-Mek, 7 300 000 SEK

  • Integration of body force methods for higher precision Wake Modelling simulations for offshore application (Sponsored by the Norwegian research council), from 2014-2017, kontaktperson: Stefan Ivanell, UU-Geo, 4 293 401 NOK

  • Loadmonitor, (Sponsored by Energimyndigheten), from 2015-2016, kontaktperson: Stefan Ivanell, KTH-Mek & UU-Geo, 600 000 SEK

Avslutade project

  • Wind over forest (Sponsored by Vindforsk III) from 2010-2013 (Segalini, Alfredsson)

  • WakeBench (Sponsored by the Swedish Energy Agency), from 2013-2014

  • MexNext Phase II (Sponsored by Swedish Energy Agency), from 2013-2014

  • Nordic Consortium on Wind Farm Optimization and Control (Sponsored by the Swedish Energy Agency and industry groups), from 2009-2013

  • Farm Farm (Sponsored by VindForsk), from 2011-2013

  • IEA Wind Task 31 - WakeBench (Sponsored by Vindforsk), from 2011-2012

  • Instant Wind, from 2011-2012

  • IEA Wind Task 29 - MexNext - Analysis of Wind Tunnel Measurements (Sponsored by Swedish Energy Agency), from 2010-2011

Publikationer

Referred journals

2016, A linearised numerical model of wind-farm flows. R. Ebenhoch, B. Muro, J-Å Dahlberg, P. Berkesten Hägglund & A. Segalini, Wind Energy., doi: 10.1002/we.2067. Contact: Antonio Segalini

2016, A Linearized k − e Model of Forest Canopies and Clearings. A. Segalini, T. Nakamura & K. Fukagata, Boundary-Layer Meteorology., doi: 10.1007/s10546-016-0190-5. Contact: Antonio Segalini

2015, A spectral model for stably stratified turbulence. Segalini, A., Arnqvist, J., Journal of Fluid Mechanics, 781, 330-352.

2015, Wind statistics from a forested landscape. Arnqvist, J., Segalini, A., Dellwik, E., Bergström, H., Boundary Layer Meteor, 156, 53-71. 


2014, Spectral tensor parameters for wind turbine load modeling from forested and agricultural landscapes. Chougule, A., Mann, J., Segalini, A., Dellwik, E., Wind Energy, 18, 469-481.


2014, Comparison of the near-wake between a simplified vortex model and actuatorline simulations of a horizontal-axis wind turbine. Sarmast, S., Segalini, A., Ivanell, S., Mikkelsen, R., Submitted for publication in Wind Energy. Contact: Stefan Ivanell, UU-CG

2014, Confinement effects in wind-turbine and propeller measurements. Segalini, A., Inghels, P., Journal of Fluid Mechanics, 756, 110-129. 

2014, Comparison of Engineering Wake Models with CFD Simulations, Andersen, S. J., Sørensen, J. N., Ivanell, S., Mikkelsen, R. F., Journal of Physics: Conference Series 524 (Torque 2014). Contact: Stefan Ivanell, UU-CG

2014, Determination of Wind Turbine Near-Wake Length Based on Stability Analysis. Sørensen, J. N., Sarmast, S., Mikkelsen, R., Ivanell, S., Henningson, D., Journal of Physics: Conference Series 524 (Torque 2014). Contact: Stefan Ivanell, UU-CG

2014, Numerical investigation of the wake interaction between two model wind turbines with span-wise offset. Sarmast, S., Chivaee, H.S., Ivanell, S., Mikkelsen, R., Journal of Physics: Conference Series 524 (Torque 2014). Contact: Stefan Ivanell, UU-CG

2014, Analysis of long distance wakes behind a row of turbines -a parameter study.  Eriksson, O., Nilsson, K., Breton, S.-P., Ivanell, S., Journal of Physics: Conference Series 524 (Torque 2014).    Contact: Stefan Ivanell, UU-CG

2014, Airfoil data sensitivity analysis for actuator disc simulations used in wind turbine applications. Nilsson, K., Breton, S.-P., Sørensen, J. N., Ivanell, S., Journal of Physics: Conference Series 524 (Torque 2014). Contact: Stefan Ivanell, UU-CG

2014, Analysis of the effect of curtailment on power and fatigue loads of two aligned wind turbines using an actuator disc  approach. Martinen, S., Ingemar, C., Nilsson, K., Breton, S.-P., Ivanell, S. Journal of Physics: Conference Series 524 (Torque 2014). Contact: Stefan Ivanell, UU-CG

2014, Simulation of Wind Turbine Wakes. Sorensen, J.N., Mikkelsen, R., Henningson, Ivanell, S., Sarmast, S., Andersen, S., Submitted to Royal Society Publishing June 2014. Contact: Stefan Ivanell, UU-CG

2014, A comparison between a simplified vortex model and actuator line simulations of a horizontal axis wind turbine. Sarmast, S., Segalini, A., Mikkelsen, R.F., Ivanell, S., Submitted to Journal of Wind Energy. Contact: Stefan Ivanell, UU-CG

2014, Mutual instability of the tip vortices behind a wind turbine. Sarmast, S., Dadfar, R., Mikkelsen, R.F., Schlatter, S., lvanell, S., Henningson, D.S., Journal of Fluid Mechanics. Contact: Stefan Ivanell, UU-CG

2013, A simplified vortex model of propeller and wind-turbine wakes. Segalini, A., Alfredsson, P.H., Journal of Fluid Mechanics, 725, 91-116.

2013, Scaling laws in canopy flows: A wind-tunnel analysis. Segalini, A., Fransson, J.H.M., Alfredsson, P.H., Boundary Layer Meteorology, 148, 269-283.

2013, Study of the Influence of Imposed Turbulence on the Asymptotic Wake Deficit in a Very Long Line of Wind Turbine. Breton, S.-P., Nilsson, K., Olivares-Espinosa, H., Masson, C., Dufresne, L., Ivanell, S. Submitted to Journal of Renewable Energy. Contact: Simon-Philippe Breton, UU-CG

2013, Characterization of wind turbine wake in a uniform inflow with homogeneous turbulence using the actuator disk method. Olivares-Espinosa, H., Breton, S.-P., Nilsson, K., Masson, C., Dufresne, L. Ivanell, S. ICOWES2013 Conference, Denmark. Contact: Simon-Philippe Breton, UU-CG

2012, Techniques for the Eduction of Coherent Structures from Flow Measurements in the Atmospheric Boundary Layer. Segalini, A., Alfredsson, P.H., Boundary Layer Meteorology, 143, 433-450.

2012, Validation of the actuator line method using near wake measurements of the MEXICO rotor. Nilsson, K., Shen, W.Z., Sørensen, J.N., Breton, S.-P., Ivanell, S. Accepted for publication in Wind Energy, 2013. Contact: Stefan Ivanell, UU-CG

2012, Large-eddy simulations of the Lillgrund wind farm. Nilsson, K., Ivanell, S. , Hansen, K.S., Mikkelsen, R., Sørensen, J.N., Breton, S.-P., Henningson, D. Accepted for publication in Wind Energy, 2013. Contact: Stefan Ivanell, UU-CG

2012, Wind Turbine Wake Modeling - Wind Turbine Wake Modeling - Possibilities with Actuator line/disc approaches. S. Ivanell, R. Mikkelsen. Wiley Energy Encyclopedia, Accepted March 2012, Wiley & Sons, 2012. Contact: Stefan Ivanell, UU-CG

2011, The upstream flow of a wind turbine: blockage effect. D. Medici, S. Ivanell, J-Å. Dahlberg, P.H. Alfredsson. Wind Energy, 2011, Volume 14, Issue 5, p691-697. Contact: Davide Medici

2010, Stability analysis of the tip vortices of a wind turbine. Ivanell, S., Mikkelsen, R., Sorensen, J.N., Henningson, D.S., Wind Energy, 13(8): p. 705-715. Contact: Stefan Ivanell, UU-CG

2009, Analysis of Numerically Generated Wake Structures. Ivanell, S., Sorensen, J.N., Mikkelsen, R., Henningson, D.S., Wind Energy, 12(1): p. 63-80. Contact: Stefan Ivanell, UU-CG

2007, Numerical computations of wind turbine wakes. Ivanell, S., Sorensen, J.N. and Henningson, D., Wind Energy, Springer, ed. J. Peinke, P. Schaumann, and S. Barth, p:259-263. Contact: Stefan Ivanell, UU-CG

2007, Numerical analysis of the tip and root vortex position in the wake of a wind turbine. Ivanell, S., Sørensen, J.N., Mikkelsen, R., Henningson, D. Journal of Physics, Conference Series Volume 75, Science of Making Torque from Wind, J.N. Sørensen, M.O.L. Hansen and K. S. Hansen, Editors. p. 12035-12035. Contact: Stefan Ivanell, UU-CG

Reports

2013, The Nordic Consortium - Optimization of Large Wind Farms, Activity report 2009-2012. Elforsk rapport nr: 13:12 Ivanell, S., Carlen, I., Nilsson, K., Sarmast, S., Odemark, Y., Andersen, S.J.,  Teneler, G., Eriksson, O., Breton, S-P,  Åkervik, E., Gravdahl, A. R., Fransson, J., Mikkelsen, R., Sörensen, J.N., Henningson, D. Contact: Stefan Ivanell, UU-CG

2012, Instant Wind - Model reduction for fast CFD computations,Elforsk rapport V-366. Vogstad, K., Bhutoria, V., Luns, J.A., Ivanell, S., Uzunoglu, B. Contact: Stefan Ivanell, UU-CG

2012, Power estimation of the Lillgrund Wind farm using different actuator disc approaches - A base line case study. Nilsson, K., Ivanell, S. Contact: Stefan Ivanell, UU-CG

2011, Simulation and Modelling of Turbulent Wind Fields in Wind Farms. DTU Mechanical Engineering contribution to TOPFARM Work Package 1. Sørensen, J.N., Mikkelsen, R., Troldborg, N., Okulov, V., Ivanell, S. Contact: Stefan Ivanell, UU-CG

Proceedings

2015, Simulating wind farms in the Weather Research and Forecast model, resolution sensitivities, Lindvall J., Byrkjedal Ø., Eriksson O., Ivanell S. EWEA Offshore 2015, Copenhagen.

2015, Wake downstream of the Lillgrund wind farm – A Comparison between LES using the actuator disc method and a Wind farm Parametrization, Eriksson O., J. Lindvall, S-P Breton, S. Ivanell, Wake Conference 2015 in Visby, Journal of Physics: Conference Series (JPCS), which is part of IOP Conference Series, 

2015, Large-eddy simulations of wind farm production and long distance wakes, Eriksson O., K. Nilsson, S-P Breton, S. Ivanell, Wake Conference 2015 in Visby, Journal of Physics: Conference Series (JPCS), which is part of IOP Conference Series

2015, Quantifying variability of Large Eddy Simulations of very large wind farms, Andersen, S.J., Witha, B., Breton, S.-P., Sørensen, J.N., Mikkelsen, R.F., Ivanell, S. Wake Conference 2015 in Visby, Journal of Physics: Conference Series (JPCS), which is part of IOP Conference Series.

2015, Comparison between experiments and large-eddy simulations of tip spiral instabilities, Ivanell, S., Leweke, T. Sarmast, S., Quaranta, H.U., Mikkelsen, R.F., Sørensen, J.N. Wake Conference 2015 in Visby, Journal of Physics: Conference Series (JPCS), which is part of IOP Conference Series,

2015, Comparison of a potential flow actuator disc solution with a potential flow and viscous solution for a Joukowsky rotor, van Kuik, G.A.M, Yu, W., Ivanell, S. Wake Conference 2015 in Visby, Journal of Physics: Conference Series (JPCS), which is part of IOP Conference Series

2014, Numerical CFD comparison of Lillgrund employing RANS. Simisiroglou, N., Breton, S.P., Crasto, G., Hansen, K.S., Ivanell, S. EERA DeepWind’2014, 11th Deep Sea Offshore Wind R&D Conference, Trondheim. Contact: Simon-Philippe Breton, UU-CG

2014, Instability of helical vortices behind a single wind turbine. Sarmast, S., Dadfar, R., Mikkelsen, R.F., Schlatter, S., lvanell, S., Henningson, D.S., Research Topics in Wind Energy Vol. 2, Wind Energy - Impact of Turbulence p. 165-174. Contact: Stefan Ivanell, UU-CG

2013, Study of the influence of atmospheric turbulence on the asymtotic wake deficit in a very long line of wind turbines. Breton, S.-P., Nilsson, K., Olivares-Espinosa, H., Masson, C., Dufresne, L., Ivanell, S. ICOWES2013 Conference, Lyngby. Contact: Simon-Philippe Breton, UU-CG

2013, Characterization of wind turbine wakes in a non-sheared turbulent flow. Olivares-Espinosa, H., Breton, S.-P., Nilsson, K., Masson, C., Dufresne, L., Ivanell, S., ICOWES2013 Conference, Lyngby. Contact: Simon-Philippe Breton, UU-CG

2013, Large-Eddy simulations of the Lillgrund wind farm. Nilsson, K., Breton, S.-P., Ivanell, S., Henningson, D., 66th Annual Meeting of the American Physical Society Division of Fluid Mechanics, Pittsburg, USA. Contact: Stefan Ivanell, UU-CG

2013, LES of the Lillgrund wind farm using a torque based power controller. Nilsson, K., Ivanell, S., Hansen, K.S. Mikkelsen, R., Sørensen J.N., Breton, S.-P., Henningson, D. 9th PhD seminar on Wind Energy in Europe, Visby. Contact: Stefan Ivanell, UU-CG

2012, Study of the effect of the presence of the downstream turbines on upstream ones and use of a controler in CFD wind turbine simulation models. Breton, S.-P., Nilsson, K., Ivanell, S., Olivares-Espinosa, H., Masson, C., Dufresne, L. Proceedings of The Science of making Torque from Wind, Oldenburg. Contact: Stefan Ivanell, UU-CG

2012, CFD Actuator disc analysis of the Lillgrund wind farm. Nilsson, K., Mikkelsen, R., Hansen, K.S., Ivanell, S., Proceedings of The Science of making Torque from Wind, Oldenburg. Contact: Stefan Ivanell, UU-CG

2012, Analysis of long distance wakes of Horns Rev 1 using actuator disc. approach. Eriksson O., Mikkelsen R., Hansen K.S., Nilsson K., Ivanell S., Proceedings of The Science of making Torque from Wind, Oldenburg. Contact: Stefan Ivanell, UU-CG

2012, A survey of available data and studies of Farm-Farm interaction. Eriksson, O., Ivanell, S., 8th PhD seminar on Wind Energy in Europe, Zurich. Contact: Stefan Ivanell, UU-CG

2012, Power control system of a simulated wind turbine. Nilsson, K., Breton, S.-P., Ivanell, S,. 8th PhD seminar on Wind Energy in Europe, Zurich. Contact: Stefan Ivanell, UU-CG

2012, Stability of the helical tip vortices behind a wind turbine. Sarmast S., Schlatter, P., Ivanell, S., Mikkelsen, R., Henningson, D., Euromech Conference 2012. Contact: Stefan Ivanell, UU-CG

2011, Analysis  of wind turbine flow structure using Koopman mode decomposition technique. Sarmast S., Bagheri S., Ilak M., Ivanell S., Mikkelsen R., Sorensen J. N., Henningson D. Wake Conference, Visby, Sweden. Contact: Stefan Ivanell, UU-CG

2011, Benchmarking of Eddy Viscosity Model in different atmospheric turbulence settings. Uzunoglu, B., Zou, F., Ivanell, S., Wake Conference, Visby, Sweden. Contact: Stefan Ivanell, UU-CG

2011, Determination of the tip vortex trajectory behind the MEXICO rotor. Nilsson, K.,  Shen, W. Z., Sorensen, J. N., Ivanell, S., Wake Conference, Visby, Sweden. Contact: Stefan Ivanell, UU-CG

2011, Analysis of Wind Turbine Flow Structure Using Koopman Mode Decomposition Technique. Sarmast S., Bagheri S., Ilak M., Ivanell S., Mikkelsen R., Sorensen J. N., Henningson D., Svenska Mekanikdagarna 2011, Chalmers, Sweden. Contact: Stefan Ivanell, UU-CG

2011, Benchmarking of Eddy Viscosity Model with Nonlinear Wake Models Uzunoglu, B., Zou, F., Ivanell, S.. CFD & Optimization 2011 - ECCOMAS, Antalya, Turkey. Contact: Stefan Ivanell, UU-CG

Nyheter/Kalendarium

Stefan Ivanell ska ha Docentföreläsning - ”Framtidens
utmaningar i vindenergiberäkningar”, 14 Juni 2017 kl 13.15, E22 Campus Gotland

Vindkraftkurs.se:  Webbinarium om Energiöverenskommelsen och vindkraftens samhällsnytta 2017-06-12 från 14:00-15:00.

Vindkraftkurs.se Ljud webinar 1 är tillgängligt här!

Eric Möllerström ska lägga från sin avhandling - "Noise, eigenfrequencies and turbulence behavior of a 200 kW H-rotor vertical axis wind turbine", kl 13:00, april 28, 2017, Uppsala.

Akademiforum III för vindkraft den 28 mars i Uppsala! Program och länk till anmälan finns här.

Seminarium "Power systems with nearly 100% renewable – Problems and solutions”, mars 16, 2017, kl 15:15 - 16:45, KTH

Stefan Ivanell, Uppsala University, berätta något om sin forskning

Yalin Huang ska lägga från sin avhandling - "Economic Regulation Impact on Electricity Distribution Network Investment Considering Distributed Generation", kl 10:00, mars 17, 2017, KTH.

Vindkraftsforskning i fokus konferens 2017, 3-4 april på Chalmers

Akademiforum III för vindkraft den 28 mars i Uppsala! Program och inbjudan kommer ut i början av februari.

Stefan Sjökvist ska lägga från sin avhandling - "Demagnetization and Fault Simulations of Permanent Magnet Generators", kl 9:15, december 9, 2016, Uppsala universitet.

Senad Apelfröjd ska lägga från sin avhandling - "Grid Connection of Permanent Magnet Generator Based Renewable Energy Systems", kl 9:00, november 25, 2016, Uppsala universitet.

Ljudseminarium, december 16, 2016, kl. 13-16 (KTH)

STandUP for Wind årsmöte 2016, oktober 27-28

Jon Olauson ska lägga från sin avhandling, 'Modelling Wind Power for Grid Integration Studies', fr 2016-11-04 @ kl 9:15 (Uppsala).

Stefan Ivanell är också en 'Topic organizer for Aerodynamics and noise' på Torque konferensen 2016.

Stefan Ivanell är en 'Topic Leader' på WindEurope Summit 2016

Utmaningarna med distribuerade och förnybara energikällor, Energiforsk seminarium - Torsdag 7 juli, kl 08.00-12.00, Almedalspaviljongen, Donnersgatan 2, Visby. Anmäl dig här.

Vår StandUp Academy 2016 på Blåsenhus, Uppsala maj 26 (Deadline att registera maj 17)

Seminarium från Energimarknadsinspektionen:
Vilken påverkan har en ökad andel variabel elproduktion?

Energiforsk livestreaming seminar - Reglering av ett framtida kraftsystem torsdag 17 mars kl 13-16, (Seminariet finns tillgängligt en månad efter konferensdatumet)

Sanna Mels lägger fram sin avhandling om vindkraft och lokala förankringsprocesser tisdagen den 22/3 kl. 10.15.

Morgan Rossander lägger fram sin licentiatavhandling "Blade force measurements and electrical torque ripple of a vertical axis wind turbine" onsdagen den 10/2 09:15.

STandUP for Wind medlemmar kommer att delta på  Euromech Colloquium 576 “Wind Farms in Complex Terrains” (8-10 juni 2016)

Raphael Ebenhoch har fått ett pris från Vattenfall!

Vind 2015 4-5 november-
STandUP ska hålla två seminarier!

Vindkraftsforskning i fokus konferens 2015, 6-7 oktober i Uppsala.

Eduard Dyachuk ska lägga fram sin avhandling, 'Aerodynamics of vertical axis wind turbines. Development of simulation tools and experiments', fr 2015-10-09 @ kl 9 (Uppsala).

Ola Eriksson ska lägga fram sin licentiatavhandling 'Numerical Computations of Wakes Behind Wind Farms' onsdag 2015-08-25 @ kl 10 (Visby).

Standup for Wind vid Uppsala universitet och KTH är ett av två starka forskningsmiljöer inom svensk vindkraftsforskning enligt ny utvärdering, läs mer här.

Camille Hamon ska lägga fram sin avhandling, 'Probabilistic security management for power system operations with large amounts of wind power', fr 2015-05-29 @ kl 9 (Stockholm).

Årets vindkraftpris till Professor Lennart Söder!

Stefan Ivanell kommer att presentera om Uppsala universitet Campus Gotlands vindkraft utbildning den 9 maj kl 11-15 i Tallinn

Energimyndighetens Vindkraft nyhetsbrev - maj

Karl Nilsson ska lägga fram sin avhandling, 'Numerical computations of wind turbine wakes and wake interaction', to 2015-06-04.

Svenska Akustiska Sällskapets ljudpris 2014 går till meteorologen Conny Larsson

Ny avhandling om vindförhållanden över skog

Ny licentiatavhandling om Vertical Axis Wind Turbines: Tower Dynamics and Noise