Niels Troldborg

Niels Troldborg

Senior Researcher

DTU WIND ENERGY
Department of Wind Energy

Technical University of Denmark

Building 114, room Modul S39

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2016
 

Investigation of wake interaction using full-scale lidar measurements and large eddy simulation

Machefaux, Ewan ; Larsen, Gunner Chr. ; Troldborg, Niels ; Hansen, Kurt Schaldemose ; Angelou, Nikolas ; Mikkelsen, Torben Krogh ; Mann, Jakob
in journal: Wind Energy (ISSN: 1095-4244) (DOI: http://dx.doi.org/10.1002/we.1936), vol: 19, issue: 8, pages: 1535-1551, 2016

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2016     |    DOI: http://dx.doi.org/10.1002/we.1936

 

An experimental and numerical study of the atmospheric stability impact on wind turbine wakes

Machefaux, Ewan ; Larsen, Gunner Chr. ; Koblitz, Tilman ; Troldborg, Niels ; Kelly, Mark C. ; Chougule, Abhijit S. ; Hansen, Kurt Schaldemose ; Rodrigo, Javier Sanz
in journal: Wind Energy (ISSN: 1095-4244) (DOI: http://dx.doi.org/10.1002/we.1950), vol: 19, issue: 10, pages: 1785–1805, 2016

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2016     |    DOI: http://dx.doi.org/10.1002/we.1950

  PDF

The flow upstream of a row of aligned wind turbine rotors and its effect on power production

Meyer Forsting, Alexander Raul ; Troldborg, Niels ; Gaunaa, Mac
in journal: Wind Energy (ISSN: 1095-4244) (DOI: http://dx.doi.org/10.1002/we.1991), 2016

Type: Journal article (Peer reviewed)

Status: E-pub ahead of print     |    Year: 2016     |    DOI: http://dx.doi.org/10.1002/we.1991

  PDF

Validation of a CFD model with a triple-lidar system upstream of a wind turbine in complex terrain

Meyer Forsting, Alexander Raul ; Troldborg, Niels ; Bechmann, Andreas ; Angelou, Nikolas ; Vasiljevic, Nikola
Presented at:
ECCOMAS Congress 2016, 2016, Hersonissos

Type: Sound/Visual production (digital)

Status: Published     |    Year: 2016

  PDF

A numerical study on the flow upstream of a wind turbine on complex terran

Meyer Forsting, Alexander Raul ; Bechmann, Andreas ; Troldborg, Niels
in journal: Journal of Physics: Conference Series (Online) (ISSN: 1742-6596) (DOI: http://dx.doi.org/10.1088/1742-6596/753/3/032041), vol: 753, 2016
Presented at:
The Science of Making Torque from Wind , 2016, Munich

Type: Conference article (Peer reviewed)

Status: Published     |    Year: 2016     |    DOI: http://dx.doi.org/10.1088/1742-6596/753/3/032041

  PDF

A finite difference approach to despiking in-stationary velocity data - tested on a triple-lidar

Meyer Forsting, Alexander Raul ; Troldborg, Niels
in journal: Journal of Physics: Conference Series (Online) (ISSN: 1742-6596) (DOI: http://dx.doi.org/10.1088/1742-6596/753/7/072017), vol: 753, 2016
Presented at:
The Science of Making Torque from Wind , 2016, Munich

Type: Conference article (Peer reviewed)

Status: Published     |    Year: 2016     |    DOI: http://dx.doi.org/10.1088/1742-6596/753/7/072017

  PDF

Dynamics of the interaction between the rotor and the induction zone

Mirzaei, Mahmood ; Meyer Forsting, Alexander Raul ; Troldborg, Niels
in journal: Journal of Physics: Conference Series (Online) (ISSN: 1742-6596) (DOI: http://dx.doi.org/10.1088/1742-6596/753/7/072024), vol: 753, 2016
Presented at:
The Science of Making Torque from Wind , 2016, Munich

Type: Conference article (Peer reviewed)

Status: Published     |    Year: 2016     |    DOI: http://dx.doi.org/10.1088/1742-6596/753/7/072024

  PDF

Computing the flow past Vortex Generators: Comparison between RANS Simulations and Experiments

Manolesos, M. ; Sørensen, Niels N. ; Troldborg, Niels ; Florentie, L. ; Papadakis, G. ; Voutsinas, S.
in journal: Journal of Physics: Conference Series (Online) (ISSN: 1742-6596) (DOI: http://dx.doi.org/10.1088/1742-6596/753/2/022014), vol: 753, 2016
Presented at:
The Science of Making Torque from Wind , 2016, Munich

Type: Conference article (Peer reviewed)

Status: Published     |    Year: 2016     |    DOI: http://dx.doi.org/10.1088/1742-6596/753/2/022014

  PDF

Experimental benchmark and code validation for airfoils equipped with passive vortex generators

Baldacchino, D. ; Manolesos, M. ; Ferreira, Célia Maria Dias ; González Salcedo, A. ; Aparicio, M. ; Chaviaropoulos, T. ; Diakakis, K. ; Florentie, L. ; Ramos García, Néstor ; Papadakis, G. ; Sørensen, Niels N. ; Timmer, N. ; Troldborg, Niels ; Voutsinas, S. ; van Zuijlen, A.
in journal: Journal of Physics: Conference Series (Online) (ISSN: 1742-6596) (DOI: http://dx.doi.org/10.1088/1742-6596/753/2/022002), vol: 753, 2016
Presented at:
The Science of Making Torque from Wind , 2016, Munich

Type: Conference article (Peer reviewed)

Status: Published     |    Year: 2016     |    DOI: http://dx.doi.org/10.1088/1742-6596/753/2/022002

2015
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An improved k-ε model applied to a wind turbine wake in atmospheric turbulence

Laan, van der, Paul ; Sørensen, Niels N. ; Réthoré, Pierre-Elouan ; Mann, Jakob ; Kelly, Mark C. ; Troldborg, Niels ; Schepers, J. Gerard ; Machefaux, Ewan
in journal: Wind Energy (ISSN: 1095-4244) (DOI: http://dx.doi.org/10.1002/we.1736), vol: 18, issue: 5, pages: 889–907, 2015

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2015     |    DOI: http://dx.doi.org/10.1002/we.1736