• Frederiksborgvej 399, 114, S37-S39

    4000 Roskilde

    Denmark

1992 …2021

Research output per year

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Research Output

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Journal article
2020

Investigations of aerodynamic drag forces during structural blade testing using high-fidelity fluid–structure interaction

Grinderslev, C., Belloni, F., Horcas, S. G. & Sørensen, N. N., 2020, In : Wind Energy Science. 5, 2, p. 543-560 18 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
7 Downloads (Pure)

Spectral analysis of New MEXICO standstill measurements to investigate vortex shedding in deep stall

Khan, M. A., Simão Ferreira, C., Schepers, G. J. & Sørensen, N. N., 2020, In : Wind Energy. 23, 1, p. 31-44

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
45 Downloads (Pure)
2019

Laminar-turbulent transition detection on airfoils by high-frequency microphone measurements

Özçakmak, Ö. S., Sørensen, N. N., Aagaard Madsen, H. & Sørensen, J. N., 2019, In : Wind Energy. 22, 10, p. 1356-1370 15 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Multipoint high-fidelity CFD-based aerodynamic shape optimization of a 10MW wind turbine

Madsen, M. H. A., Zahle, F., Sørensen, N. N. & Martins, J. R. R. A., 2019, In : Wind Energy Science. 4, p. 163-192

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
184 Downloads (Pure)

Multipoint high-fidelity CFD-based aerodynamic shape optimization of a 10 MW wind turbine

Madsen, M. H. A., Zahle, F., Sørensen, N. N. & Martins, J. R. R. A., 2019, In : Wind Energy Science. 4, 2, p. 163-192 30 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
165 Downloads (Pure)
2017

A new k-epsilon model consistent with Monin-Obukhov similarity theory

van der Laan, P., Kelly, M. C. & Sørensen, N. N., 2017, In : Wind Energy. 20, 3, p. 479–489 11 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
1010 Downloads (Pure)

Why the Coriolis force turns a wind farm wake clockwise in the Northern Hemisphere

van der Laan, P. & Sørensen, N. N., 2017, In : Wind Energy Science. 2, p. 285-294

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
385 Downloads (Pure)
2016

Aerodynamically shaped vortex generators

Hansen, M. O. L., Velte, C. M., Øye, S., Hansen, R., Sørensen, N. N., Madsen, J. & Mikkelsen, R., 2016, In : Wind Energy. 19, 3, p. 563–567 5 p.

Research output: Contribution to journalJournal articleResearchpeer-review

2 Downloads (Pure)

Comparison of OpenFOAM and EllipSys3D for neutral atmospheric flow over complex terrain

Cavar, D., Réthoré, P-E., Bechmann, A., Sørensen, N. N., Martinez, B., Zahle, F., Berg, J. & Kelly, M. C., 2016, In : Wind Energy Science. 1, p. 55–70

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
1227 Downloads (Pure)

Fluid-structure interaction computations for geometrically resolved rotor simulations using CFD

Heinz, J. C., Sørensen, N. N. & Zahle, F., 2016, In : Wind Energy. 19, 12, p. 2205–2221 17 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Modeling dynamic stall on wind turbine blades under rotationally augmented flow fields

Guntur, S., Sørensen, N. N., Schreck, S. & Bergami, L., 2016, In : Wind Energy. 19, 3, p. 383–397 15 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Testing of self-similarity and helical symmetry in vortex generator flow simulations

Fernández-Gámiz, U., Velte, C. M., Réthoré, P-E., Sørensen, N. N. & Egusquiza, E., 2016, In : Wind Energy. 19, 6, p. 1043–1052 10 p.

Research output: Contribution to journalJournal articleResearchpeer-review

1 Downloads (Pure)

Vortex-induced vibrations on a modern wind turbine blade

Heinz, J. C., Sørensen, N. N., Zahle, F. & Skrzypinski, W. R., 2016, In : Wind Energy. 19, 11, p. 2041–2051 11 p.

Research output: Contribution to journalJournal articleResearchpeer-review

An improved k-ε model applied to a wind turbine wake in atmospheric turbulence

Laan, van der, P. M., Sørensen, N. N., Réthoré, P-E., Mann, J., Kelly, M. C., Troldborg, N., Schepers, J. G. & Machefaux, E., 2015, In : Wind Energy. 18, 5, p. 889–907

Research output: Contribution to journalJournal articleResearchpeer-review

File
670 Downloads (Pure)

A study on rotational augmentation using CFD analysis of flow in the inboard region of the MEXICO rotor blades

Guntur, S. & Sørensen, N. N., 2015, In : Wind Energy. 18, 4, p. 745–756

Research output: Contribution to journalJournal articleResearchpeer-review

Comparison of wind turbine wake properties in non‐sheared inflow predicted by different computational fluid dynamics rotor models

Troldborg, N., Zahle, F., Réthoré, P-E. & Sørensen, N. N., 2015, In : Wind Energy. 18, 7, p. 1239-1250 12 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Computational Fluid Dynamics model of stratified atmospheric boundary-layer flow

Koblitz, T., Bechmann, A., Sogachev, A., Sørensen, N. N. & Réthoré, P-E., 2015, In : Wind Energy. 18, 1, p. 75-89

Research output: Contribution to journalJournal articleResearchpeer-review

1 Downloads (Pure)

Fully Consistent SIMPLE-Like Algorithms on Collocated Grids

Kolmogorov, D., Shen, W. Z., Sørensen, N. N. & Sørensen, J. N., 2015, In : Numerical Heat Transfer Part B: Fundamentals. 67, p. 101–123

Research output: Contribution to journalJournal articleResearchpeer-review

1 Downloads (Pure)

The k-ε-fP model applied to double wind turbine wakes using different actuator disk force methods

Laan, van der, P. M., Sørensen, N. N., Réthoré, P-E., Mann, J., Kelly, M. C. & Troldborg, N., 2015, In : Wind Energy. 18, 12, p. 2223–2240

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
374 Downloads (Pure)

The k-ε-fP model applied to wind farms

Laan, van der, P. M., Sørensen, N. N., Réthoré, P-E., Mann, J., Kelly, M. C., Troldborg, N., Hansen, K. S. & Murcia Leon, J. P., 2015, In : Wind Energy. 18, 12, p. 2065–2084

Research output: Contribution to journalJournal articleResearchpeer-review

File
475 Downloads (Pure)
2014

A simple atmospheric boundary layer model applied to large eddy simulations of wind turbine wakes

Troldborg, N., Sørensen, J. N., Mikkelsen, R. F. & Sørensen, N. N., 2014, In : Wind Energy. 17, 4, p. 657-669

Research output: Contribution to journalJournal articleResearchpeer-review

File
2299 Downloads (Pure)

Self-induced vibrations of a DU96-W-180 airfoil in stall

Skrzypinski, W. R., Gaunaa, M., Sørensen, N. N., Zahle, F. & Heinz, J. C., 2014, In : Wind Energy. 17, 4, p. 641-655

Research output: Contribution to journalJournal articleResearchpeer-review

2 Downloads (Pure)

Verification and validation of an actuator disc model

Réthoré, P-E., Laan, van der, P. M., Troldborg, N., Zahle, F. & Sørensen, N. N., 2014, In : Wind Energy. 17, 6, p. 919–937

Research output: Contribution to journalJournal articleResearchpeer-review

1 Downloads (Pure)

Vortex-induced vibrations of a DU96-W-180 airfoil at 90° angle of attack

Skrzypinski, W. R., Gaunaa, M., Sørensen, N. N., Zahle, F. & Heinz, J. C., 2014, In : Wind Energy. 17, 10, p. 1495-1514

Research output: Contribution to journalJournal articleResearchpeer-review

2 Downloads (Pure)
2012

A discrete force allocation algorithm for modelling wind turbines in computational fluid dynamics

Réthoré, P-E. & Sørensen, N. N., 2012, In : Wind Energy. 15, 7, p. 915-926

Research output: Contribution to journalJournal articleResearchpeer-review

Computation of the National Renewable Energy Laboratory Phase-VI rotor in pitch motion during standstill

Sørensen, N. N. & Schreck, S., 2012, In : Wind Energy. 15, 3, p. 425-442

Research output: Contribution to journalJournal articleResearchpeer-review

1 Downloads (Pure)
2011

3D CFD computations of trasitional flows using DES and a correlation based transition model

Sørensen, N. N., Bechmann, A. & Zahle, F., 2011, In : Wind Energy. 14, 1, p. 77-90

Research output: Contribution to journalJournal articleResearchpeer-review

CFD simulations of the MEXICO rotor

Bechmann, A., Sørensen, N. N. & Zahle, F., 2011, In : Wind Energy. 14, 5, p. 677-689

Research output: Contribution to journalJournal articleResearchpeer-review

Characterization of the unsteady flow in the nacelle region of a modern wind turbine

Zahle, F. & Sørensen, N. N., 2011, In : Wind Energy. 14, 2, p. 271-283

Research output: Contribution to journalJournal articleResearchpeer-review

Hybrid RANS/LES applied to complex terrain

Bechmann, A. & Sørensen, N. N., 2011, In : Wind Energy. 14, 2, p. 225-237

Research output: Contribution to journalJournal articleResearchpeer-review

Imposing resolved turbulence in CFD simulations

Gilling, L. & Sørensen, N. N., 2011, In : Wind Energy. 14, 5, p. 661-676

Research output: Contribution to journalJournal articleResearchpeer-review

Investigation of the load reduction potential of two trailing edge flap controls using CFD

Heinz, J. C., Sørensen, N. N. & Zahle, F., 2011, In : Wind Energy. 14, 3, p. 449-462

Research output: Contribution to journalJournal articleResearchpeer-review

The Bolund Experiment. Part II: Blind Comparison of Microscale Flow Models

Bechmann, A., Sørensen, N. N., Berg, J., Mann, J. & Réthoré, P-E. M., 2011, In : Boundary-Layer Meteorology. 141, 2, p. 245-271

Research output: Contribution to journalJournal articleResearchpeer-review

2010

A stochastic model for the simulation of wind turbine blades in static stall

Bertagnolio, F., Rasmussen, F., Sørensen, N. N., Johansen, J. & Aagaard Madsen, H., 2010, In : Wind Energy. 13, 4, p. 323-338

Research output: Contribution to journalJournal articleResearchpeer-review

Hybrid RANS/LES method for wind flow over complex terrain

Bechmann, A. & Sørensen, N. N., 2010, In : Wind Energy. 13, 1, p. 36-50

Research output: Contribution to journalJournal articleResearchpeer-review

2009

CFD modelling of laminar-turbulent transition for airfoils and rotors using the gamma-(Re)over-tilde (theta) model

Sørensen, N. N., 2009, In : Wind Energy. 12, 8, p. 715-733

Research output: Contribution to journalJournal articleResearchpeer-review

Design of a wind turbine rotor for maximum aerodynamic efficiency

Johansen, J., Aagaard Madsen, H., Gaunaa, M., Bak, C. & Sørensen, N. N., 2009, In : Wind Energy. 12, 3, p. 261-273

Research output: Contribution to journalJournal articleResearchpeer-review

Wind Turbine Rotor-Tower Interaction Using an Incompressible Overset Grid Method

Zahle, F., Sørensen, N. N. & Johansen, J., 2009, In : Wind Energy. 12, 6, p. 594-619

Research output: Contribution to journalJournal articleResearchpeer-review

2007

Aerodynamic structures and processes in rotationally augmented flow fields

Schreck, S. J., Sørensen, N. N. & Robinson, M. C., 2007, In : Wind Energy. 10, 2, p. 159-178

Research output: Contribution to journalJournal articleResearchpeer-review

2006

Enhancing the damping of wind turbine rotor blades, the DAMPBLADE project

Chaviaropoulos, P. K., Politis, E. S., Lekou, D. J., Sørensen, N. N., Hansen, M. H., Bulder, B. H., Windelaar, D., Lindenburg, C., Saravanos, D. A., Philippidis, T. P., Galiotis, C., Hansen, M. O. L. & Kossivas, T., 2006, In : Wind Energy. 9, 1-2, p. 163-177

Research output: Contribution to journalJournal articleResearchpeer-review

Large-eddy simulation of neutral atmospheric boundary layer

Hansen, A., Mann, J., Johansen, J. & Sørensen, N. N., 2006, In : Geophysical Research Abstracts. 8, Abstr. EGU06-A-02672

Research output: Contribution to journalJournal articleResearch

State of the art in wind turbine aerodynamics and aeroelasticity

Hansen, M. O. L., Sørensen, J. N., Voutsinas, S., Sørensen, N. N. & Aagaard Madsen, H., 2006, In : Progress in Aerospace Sciences. 42, p. 285-330

Research output: Contribution to journalJournal articleResearchpeer-review

2005

New insight into the flow around a wind turbine airfoil section

Bertagnolio, F., Sørensen, N. N. & Rasmussen, F., 2005, In : Journal of Solar Energy Engineering. 127, p. 214-222

Research output: Contribution to journalJournal articleResearchpeer-review

2004

Airfoil characteristics from 3D CFD rotor computations

Johansen, J. & Sørensen, N. N., 2004, In : Wind Energy. 7, p. 283-294

Research output: Contribution to journalJournal articleResearchpeer-review

Drag prediction for blades at high angle of attack using CFD

Sørensen, N. N. & Michelsen, J. A., Nov 2004, In : Journal of Solar Energy Engineering. 126, 4, p. 1011-1016

Research output: Contribution to journalJournal articleResearchpeer-review

2003

An improved SIMPLEC method on collocated grids for steady and unsteady flow computations

Shen, W. Z., Michelsen, J. A., Sørensen, N. N. & Sørensen, J. N., 2003, In : Numerical Heat Transfer Part B: Fundamentals. 43, p. 221-239

Research output: Contribution to journalJournal articleResearchpeer-review

Viscous and aeroelastic effects on wind turbine blades. The VISCEL project. Part 1: 3D Navier-Stokes rotor simulations

Charviaropoulos, P. K., Sørensen, N. N., Hansen, M. O. L., Nikolaou, I. G., Aggelis, K. A., Johansen, J., Gaunaa, M., Hambraus, T., Geyer, H. F. V., Hirsch, C., Shun, K., Voutsinas, S. G., Tzambiras, G., Perivolaris, Y. & Dyrmose, S. Z., 2003, In : Wind Energy. 6, p. 365-385

Research output: Contribution to journalJournal articleResearchpeer-review

Viscous and aeroelastic effects on wind turbine blades. The VISCEL project. Part 2: Aeroelastic stability investigations

Charviaropoulos, P. K., Sørensen, N. N., Hansen, M. O. L., Nikolaou, I. G., Aggelis, K. A., Johansen, J., Gaunaa, M., Hambraus, T., Geyer, H. F. V., Hirsch, C., Shun, K., Voutsinas, S. G., Tzambiras, G., Perivolaris, Y. & Dyrmose, S. Z., 2003, In : Wind Energy. 6, p. 387-403

Research output: Contribution to journalJournal articleResearchpeer-review