Prof. Jens Nørkær Sørensen
Head of Section of Fluid Mechanics, Department of Wind Energy, Technical University of Denmark, Lyngby DK-2800, Denmark
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Academic Career Length
38Years (1989-Present)
(Calculated once Scilit publication data is synced: current year − year of first publication + 1)
Representative Publications
View All Publications28 May 2002 in Journal of Fluids Engineering
Journal Article
Jens Nørkær SørensenWSWen Zhong Shen
Wen Zhong ShenAn aerodynamical model for studying three-dimensional flow fields about wind turbine rotors is presented. The developed algorithm combines a three-dimensional Navier-Stokes solver with a so-called actuator line technique in which the loading is distributed along lines representing the blade forces. The loading is determined iteratively using a blade-element approach and tabulated airfoil data. Computations are carried out for a 500 kW Nordtank wind turbine equipped with three LM19.1 blades. The computed power production is found to be in good agreement with measurements. The computations give detailed information about basic features of wind turbine wakes, including distributions of interference factors and vortex structures. The model serves in particular to analyze and verify the validity of the basic assumptions employed in the simple engineering models.
1 August 2003 in Progress in Aerospace Sciences
Journal Article
1 June 2006 in Progress in Aerospace Sciences
Journal Article
Martin Otto Laver HansenJens Nørkær SørensenSVS. Voutsinas
S. Voutsinas
NSN. Sørensen
N. SørensenHMH.AA. Madsen
H.AA. Madsen31 March 2005 in Wind Energy
Journal Article
WSWen Zhong Shen
Wen Zhong ShenRMRobert Mikkelsen
Robert Mikkelsen
Jens Nørkær SørensenCBChristian Bak
Christian Bak9 February 2016 in Wind Energy Science
Journal Article
GKG. A. M. van Kuik
G. A. M. van KuikJPJoachim Peinke
Joachim PeinkeRNR. Nijssen
R. NijssenDLD. Lekou
D. Lekou
JMJakob Mann
Jakob MannKSK. Skytte
K. Skytte +21
The European Academy of Wind Energy (eawe), representing universities and institutes with a significant wind energy programme in 14 countries, has discussed the long-term research challenges in wind energy. In contrast to research agendas addressing short- to medium-term research activities, this eawe document takes a longer-term perspective, addressing the scientific knowledge base that is required to develop wind energy beyond the applications of today and tomorrow. In other words, this long-term research agenda is driven by problems and curiosity, addressing basic research and fundamental knowledge in 11 research areas, ranging from physics and design to environmental and societal aspects. Because of the very nature of this initiative, this document does not intend to be permanent or complete. It shows the vision of the experts of the eawe, but other views may be possible. We sincerely hope that it will spur an even more intensive discussion worldwide within the wind energy community.
21 January 2011 in Annual Review of Fluid Mechanics
Journal Article
Jens Nørkær SørensenThis article reviews the most important aerodynamic research topics in the field of wind energy. Wind turbine aerodynamics concerns the modeling and prediction of aerodynamic forces, such as performance predictions of wind farms, and the design of specific parts of wind turbines, such as rotor-blade geometry. The basics of the blade-element momentum theory are presented along with guidelines for the construction of airfoil data. Various theories for aerodynamically optimum rotors are discussed, and recent results on classical models are presented. State-of-the-art advanced numerical simulation tools for wind turbine rotors and wakes are reviewed, including rotor predictions as well as models for simulating wind turbine wakes and flows in wind farms.
About Me
Jens Nørkær Sørensen is a Professor at the Department of Wind and Energy Systems, Technical University of Denmark (DTU). He received his Ph.D. from the Technical University of Denmark in 1986. He completed a Postdoctoral Fellowship at ONERA, France, from 1986 to 1989 and then joined DTU. He served as a Visiting Professor at NJIT, Newark, USA, from 1997 to 1998 and as a Visiting Professor at Monash University, Australia, in 2006. He received Gorm-Petersen’s Memorial Grant Award in 1987, Alexander Foss’ Gold Medal Award in 1999, and the Statoil Prize in 2002. He was selected as a Member of the Danish Academy of Technical Sciences in 2005. His research mainly concerns the development of methods for the analysis of flows and flow machines. The most important application area is within the optimization and analysis of wind turbines, both about the aerodynamics of the blades and wind turbine placement. Other research areas concern hydrodynamic instability of rotating flows and the mixing of fluids in bio-reactors.