News and Popular

• Congratulations to Dr. Jens Kasper for successfully defending his PhD thesis, "Large-scale interactions between wind farms and the atmosphere" on Friday, September 12, 2025.
  Interview featuring Jens is available at the PhD defence announcement,
  
• Article, Part of the Grand Challenges series coordinated by the European Academy of Wind Energy (EAWE), April 2025, in Wind Energy Science Discussions
  • B. Kosović, S. Basu, J. Berg, L.K. Berg, S.E. Haupt, X.G. Larsén, J. Peinke, R.J.A.M. Stevens, P. Veers, S. Watson,
    Impact of atmospheric turbulence on performance and loads of wind turbines: Knowledge gaps and research challenges,
    Wind Energy Science Discussions, 1-67 (2025).
• Davide Selvatici from my group won the Young Scientist Prize at the 1st European Fluid Dynamics Conference (September 2024).
• JRSE selected our article as a Feature Article in October 2024:
  • J.H. Kasper, A. Stieren, R.J.A.M. Stevens,
    Simulation and modeling of wind farms in baroclinic atmospheric boundary layers,
    J. Renew. Sustain. Energy 16 (6), 063302 (2024).
• Recipient of the inaugural 2024 WES Outstanding Reviewer Award (May 2024).
• Congratulations to Dr. Guru Sreevanshu Yerragolam for successfully defending his PhD thesis, "Sheared thermal convection" on Friday, February 23, 2024.
  Interview featuring Vanshu is available at the PhD defence announcement,
  
• Received an ERC consolidator grant for the WINDFLOW unlocking the complexities of wind farm-atmosphere interaction (November 2023).
• Visualization of my high Ra number simulations is featured on the Physics Today cover (November 2023).
• Congratulations to Dr. Robert Hartmann for successfully defending his PhD thesis, "Rotation and confinement in turbulent Rayleigh-Bénard convection," on October 6, 2023.
  Interview featuring Robert is available at the PhD defence announcement,
  
• Invited Journal of Fluid Mechanics Focus on Understanding wind farm power densities (January 2023).
  • R.J.A.M. Stevens,
    Understanding wind farm power densities,
    J. Fluid Mech. 958, F1 (2023).
• Physics Magazine featured our results (September 2022)
  
  • A. Stieren, J.H. Kasper, S.N. Gadde, and R.J.A.M. Stevens,
    Impact of Negative Geostrophic Wind Shear on Wind Farm Performance,
    PRX Energy 1, 023007 (2022).
    
• Congratulations to Dr. Anja Stieren for successfully defending her PhD thesis "Large-eddy simulations of the interaction between wind farms and mesoscale effects" on Friday September 30th, 2022.
  Interview featuring Anja is available at the PhD defence announcement,
  
• Congratulations to Dr. Martin Assen for successfully defending his PhD thesis "Wake-induced dynamics of anisotropic particles in homogeneous and shear flows" on September 1, 2022.
  Interview featuring Martin is available at the PhD defence announcement,
  
• Awarded the UT Social Media Award (January 2022).
• Congratulations to Dr. Jessica Strickland for successfully defending her PhD thesis "Modeling wakes and blockage in large-scale wind farms" on Thursday december 2nd, 2021.
  Interview featuring Jessica is available at the PhD defence announcement,
  
• Phys. Rev. Fluids selected our paper below as editorial suggestion
  • L. Liu, R.J.A.M. Stevens,
    Enhanced wind-farm performance using windbreaks,
    Phys. Rev. Fluids 6, 074611 (2021).
    
  This work is highlighted in various news media, such as
  Featured in Science News
  Featured in Physics Magazine
  Featured in Welt der Physik
  Featured in Wissenschaft Aktuell
  Featured by “Illustreret Videnskab”
  
• J. Renew. Sustain. Energy selected our paper below as featured article
  • S.N. Gadde, R.J.A.M. Stevens,
    Effect of low-level jet height on wind farm performance,
    J. Renew. Sustain. Energy 13, 013305 (2021).
    
  This work is highlighted in various news media, such as
  Featured by AIP publishing
  Featured by University of Twente
  Featured by De Ingenieur
  Featured by Technisch Weekblad
  
• Our Renewable Energy paper
  • L. Liu, R.J.A.M. Stevens,
    Effects of atmospheric stability on the performance of a wind turbine located behind a three-dimensional hill,
    Renewable Energy 175 926-935 (2021).
    
  Has been highlighted in various news media, such as
  Featured by NemoKennislink
  Featured by University of Twente
  Featured by Interesting Engineering
  
• Congratulations to Dr. Srinidhi Nagarada Gadde for successfully defending his PhD thesis "Large eddy simulations of stratified atmospheric boundary layers and wind farms" On Wednesday May 19th 2021.
  Interview featuring Srinidhi is available at the PhD defence announcement,
  
• Congratulations to Dr. Pieter Berghout for successfully defending his PhD thesis "Wall-bounded turbulence with streamwise curvature" On Friday January 15th 2021.
  Interview featuring Pieter is available at the PhD defence announcement,
  
• Interview in UToday
• Member of the Young Academy at the University of Twente
• Invited speaker at the DPG spring meeting in Regensburg.
• Congratulations to Dr. Alexander Blass for successfully defending his PhD thesis "Sheared Rayleigh-Bénard Turbulence" On Thursday September 10th 2020.
  Interview featuring Alexander is available at the PhD defence announcement,
  
• Invited Guest Editor for the Special Issue on “Fluid Mechanics and Turbulence in Wind Farms” in Energies.
• Received an ERC starting grant for research on highly turbulent Rayleigh-Bénard convection convection and the transition to the ultimate regime.
• Alexander Blass wins Science Communication Poster Prize today at Physics Veldhoven
• Alexander Blass wins 2nd price the AFMS video competition 2018 and 3rd price in AFMS Photo competition 2018 (Australasian Fluid Mechanics Society gallery) and finalist at the Supercomputing 2018 Visualization Showcase.
• Phys. Rev. Lett. selected our paper
  
  • X. Zhu, V. Mathai, R.J.A.M. Stevens, R. Verzicco, and D. Lohse,Transition to the ultimate regime in two-dimensional Rayleigh-Bénard convection, Phys. Rev. Lett. 120, 144502
    
  for the cover illustration of that issue.
  
• Organizer, with Prof. Greg Voth, of the "Structures in turbulent flows" symposium at the Annual Technical Meeting of the Society of Engineering Science will be hosted by IMDEA Materials Institute on October 10th-12th, 2018 in the Leganés (Madrid, Spain) campus of the Carlos III University of Madrid
• Organizer International Conference on Rayleigh-Bénard Turbulence at the University of Twente 14-18 May 2018.
• Selected in the top 25 of the New Scientist Wetenschapstalent 2017 competition.
• Annual review on Fluid Mechanics on Flow Structure and Turbulence in Wind Farms featured by Knowable magazine from Annual Reviews.
• Alexander Blass wins SURFsara visualization Competition 2017
• Interview in ERCOFTAC Quarterly Newsletter (September 2016)
• NWO STW VIDI grant (May 2016).
  Press release by NWO and coverage by STW, UT news, and FOM
  
• SHELL-NWO/FOM Computational sciences for energy research (CSER) tenure track grant (March 2016).
  Press release by FOM and coverage by UT news.
  
• Winner of the 2015 Corrsin-Kovasznay Outstanding Paper award (March 2016).
  Press release by Johns Hopkins.
• 3TU Research Centre Fluid & Solid Mechanics (FSM) international travel award for junior research staff.
• FOM YES! Award (Young Energy Scientist) (April 2012-August 2016).
  Press release by FOM and coverage by UT news, and UT news.
  
• Invited "Huiskamerlezing" by OCW for the National Science Weekend (October 2015).
• Wind farm visualizations of our simulations performed by David Bock selected as one of the best "Visualization showcases" at XSEDE 2014.
• Press release from the HPC wire on our wind-farm simulations.
  
• Press release from the San Diego Computing Center on our wind-farm simulations.
  
• The Journal of Fluid Mechanics featured our paper
  
  • Large-eddy simulation study of the logarithmic law for second and higher-order moments in turbulent wall-bounded flow, R.J.A.M. Stevens, M. Wilczek, C. Meneveau, J. Fluid Mech. 757, 888-907 (2014)
  in Focus on Fluids, February 2015.
• AIP and FOM highlighted our paper
  
  • Large eddy simulation studies of the effects of alignment and wind farm length, R.J.A.M. Stevens, D. F. Gayme, C. Meneveau, J. of Renewable and Sustainable Energy 6, 023105 (2014)
  in a AIP press release and a news release by FOM.
  
• Overijssel PhD award 2012 (the best PhD dissertation in 2011 at the University of Twente, 5000 Euro, November 2012), see press release by UT.
• EUROTHERM Young Scientist Prize 2012 (2500 Euro, September 2012, awarded once per 4 years).
  See UT news and UT news
• 2nd place in the international DSM Science & Technology Awards North (Netherlands, Belgium, Germany) 2012 (5000 Euro, June 2012), see DSM press release
• Winner of the national DSM Science & Technology Awards 2012 (June 2012), see DSM press release
• Finalist in ECCOMAS PhD competition award (March 2012), see ECCOMAS press release
• ERCOFTAC da Vinci Award: Prize for best PhD thesis on fluid dynamics in Europe (October 2011).
  See press release by FOM and University of Twente.
• PhD degree with distinction (June 2011).
  See Mesa+ interview PhD work.
• New J. of Phys. selected our paper
  
  • Optimal Prandtl number for heat transfer enhancement in rotating turbulent Rayleigh-Bénard convection, R.J.A.M. Stevens, H.J.H. Clercx, D. Lohse, New J. Phys. 12, 075005 (2010),
  as one of New J. of Phys. best papers in 2010.
  See video abstract of this work.
• FOM press release (in Dutch) on our paper
  
  • Flow reversals in thermally driven turbulence, K. Sugiyama, R. Ni, R.J.A.M. Stevens, T.S Chan, S.-Q Zhou, H.-D. Xi, C. Sun, S. Grossmann, K.-Q Xia, and D. Lohse, Phys. Rev. Lett. 105, 034503 (2010)
• FOM press release (in Dutch) on our papers
  
  • Transitions between turbulent states in rotating Rayleigh-Bénard convection, R.J.A.M. Stevens, J.-Q. Zhong, H.J.H. Clercx, G. Ahlers, and D. Lohse, Physical Review Letters 103, 023503 (2009).
  • Prandtl-, Rayleigh-, and Rossby-Number dependence of heat transport in turbulent rotating Rayleigh-Bénard convection, J.-Q. Zhong, R.J.A.M. Stevens, H.J.H. Clercx, R. Verzicco, D. Lohse and G. Ahlers, Physical Review Letters, 102, 044502 (2009).
• Phys. Rev. Lett. selected our paper
  
  • Prandtl-, Rayleigh-, and Rossby-Number dependence of heat transport in turbulent rotating Rayleigh-Bénard convection, J.-Q. Zhong, R.J.A.M. Stevens, H.J.H. Clercx, R. Verzicco, D. Lohse and G. Ahlers, Physical Review Letters, 102, 044502 (2009).
  for the cover illustration of that issue.
  
• Shell Masterprize: Prize for best thesis on sustainable development and energy at a Dutch university (5000 Euro, March 2009).
  See press release University of Twente.
  See news Eindhoven University.