Niels Troldborg

Niels Troldborg

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

  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

2015
  PDF

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

  PDF

The k-ε-fP model applied to wind farms

Laan, van der, Paul ; Sørensen, Niels N. ; Réthoré, Pierre-Elouan ; Mann, Jakob ; Kelly, Mark C. ; Troldborg, Niels ; Hansen, Kurt Schaldemose ; Murcia Leon, Juan Pablo
in journal: Wind Energy (ISSN: 1095-4244) (DOI: http://dx.doi.org/10.1002/we.1804), vol: 18, issue: 12, pages: 2065–2084, 2015

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2015     |    DOI: http://dx.doi.org/10.1002/we.1804

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

Laan, van der, Paul ; Sørensen, Niels N. ; Réthoré, Pierre-Elouan ; Mann, Jakob ; Kelly, Mark C. ; Troldborg, Niels
in journal: Wind Energy (ISSN: 1095-4244) (DOI: http://dx.doi.org/10.1002/we.1816), vol: 18, issue: 12, pages: 2223–2240, 2015

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2015     |    DOI: http://dx.doi.org/10.1002/we.1816

 

Empirical modeling of single-wake advection and expansion using full-scale pulsed lidar-based measurements

Machefaux, Ewan ; Larsen, Gunner Chr. ; Troldborg, Niels ; Gaunaa, Mac ; Rettenmeier, Andreas
in journal: Wind Energy (ISSN: 1095-4244) (DOI: http://dx.doi.org/10.1002/we.1805), vol: 18, pages: 2085–2103, 2015

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2015     |    DOI: http://dx.doi.org/10.1002/we.1805

 

Simulation of a MW rotor equipped with vortex generators using CFD and an actuator shape model

Troldborg, Niels ; Zahle, Frederik ; Sørensen, Niels N.
part of: Proceedings of 53rd AIAA Aerospace Sciences Meeting, 2015, American Institute of Aeronautics & Astronautics,
Presented at:
53rd AIAA Aerospace Sciences Meeting , 2015, Kissimmee, FL

Type: Article in proceedings (Peer reviewed)

Status: Published     |    Year: 2015

 

Turbulent wind field characterization and re-generation based on pitot tube measurements mounted on a wind turbine

Pedersen, Mads Mølgaard ; Larsen, Torben J. ; Aagaard Madsen, Helge ; Larsen, Gunner Chr. ; Troldborg, Niels
part of: Proceedings of 33rd Wind Energy Symposium, pages: 936-948, 2015, American Institute of Aeronautics & Astronautics,
Presented at:
33rd AIAA/ASME Wind Energy Symposium, 2015, Kissimmee, FL

Type: Article in proceedings (Peer reviewed)

Status: Published     |    Year: 2015     |    DOI: http://dx.doi.org/10.2514/6.2015-1467

  PDF

The effect of blockage on power production for laterally aligned wind turbines

Meyer Forsting, Alexander Raul ; Troldborg, Niels
in journal: Journal of Physics: Conference Series (Online) (ISSN: 1742-6596) (DOI: http://dx.doi.org/10.1088/1742-6596/625/1/012029), vol: 625, 2015
Presented at:
Wake Conference 2015, 2015, Visby

Type: Conference article (Peer reviewed)

Status: Published     |    Year: 2015     |    DOI: http://dx.doi.org/10.1088/1742-6596/625/1/012029