Christian Bak

Christian Bak

Senior Scientist

DTU WIND ENERGY
Department of Wind Energy

Technical University of Denmark

Frederiksborgvej 399

Building 114, Modul S31

4000 Roskilde

Ph.
Ph.
Mobile
Fax +45 46 77 59 60
E-mail chba@dtu.dk
ORCID 0000-0001-9060-151X

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2019
 

Improved roughness model for turbulent flow in 2D viscous‐inviscid panel methods

Olsen, Anders Smærup ; Ramos‐García, Néstor ; Bak, Christian
in: Wind Energy

Type: Journal article (Peer reviewed)

Status: Accepted/In press     |    Year: 2019     |    DOI: https://doi.org/10.1002/we.2445

 

Increase in the annual energy production due to a retrofit of vortex generators on blades

Skrzypinski, Witold Robert ; Gaunaa, Mac ; Bak, Christian ; Junker, Birgit ; Brønnum, Niels Bruhn ; Kruse, Emil Krog
in: Wind Energy

Type: Journal article (Peer reviewed)

Status: Accepted/In press     |    Year: 2019     |    DOI: https://doi.org/10.1002/we.2446

2018
  PDF

Extending the life of wind turbine blade leading edges by reducing the tip speed during extreme precipitation events

Bech, Jakob Ilsted ; Hasager, Charlotte Bay ; Bak, Christian
in: Wind Energy Science, vol: 3, issue: 2, pages: 729-748

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2018     |    DOI: https://doi.org/10.5194/wes-3-729-2018

  PDF

Inflow Turbulence and Leading Edge Roughness Effects on Laminar-Turbulent Transition on NACA 63-418 Airfoil

Özçakmak, Ö S ; Madsen, H A ; Sørensen, N N ; Sørensen, J N ; Fischer, Andreas ; Bak, C
in: Journal of Physics: Conference Series, vol: 1037, issue: 2
Presented at:
The Science of Making Torque from Wind 2018

Type: Conference article (Peer reviewed)

Status: Published     |    Year: 2018     |    DOI: https://doi.org/10.1088/1742-6596/1037/2/022005

  PDF

Investigation of droplet path in a rain erosion tester

Gaunaa, Mac ; Sørensen, N N ; Johansen, N Frost-Jensen ; Olsen, Anders Smærup ; Bak, C ; Andersen, R B
in: Journal of Physics: Conference Series, vol: 1037, issue: 6
Presented at:
The Science of Making Torque from Wind 2018

Type: Conference article (Peer reviewed)

Status: Published     |    Year: 2018     |    DOI: https://doi.org/10.1088/1742-6596/1037/6/062030

  PDF

Measured aerodynamic forces on a full scale 2MW turbine in comparison with EllipSys3D and HAWC2 simulations

Madsen, H Aa ; Sørensen, N N ; Bak, C ; Troldborg, Niels ; Pirrung, Georg
in: Journal of Physics: Conference Series, vol: 1037, issue: 2
Presented at:
The Science of Making Torque from Wind 2018

Type: Conference article (Peer reviewed)

Status: Published     |    Year: 2018     |    DOI: https://doi.org/10.1088/1742-6596/1037/2/022011

  PDF

Predicting the Influence of Surface Protuberance on the Aerodynamic Characteristics of a NACA 633-418

Kruse, Emil Krog ; Sørensen, Niels N. ; Bak, Christian
in: Journal of Physics: Conference Series, vol: 1037, issue: 2
Presented at:
The Science of Making Torque from Wind 2018

Type: Conference article (Peer reviewed)

Status: Published     |    Year: 2018     |    DOI: https://doi.org/10.1088/1742-6596/1037/2/022008

  PDF

Wind tunnel tests of an airfoil with 18% relative thickness equipped with vortex generators

Bak, Christian ; Skrzypiński, Witold ; Fischer, Andreas ; Gaunaa, Mac ; Brønnum, Niels Fiil ; Kruse, Emil K.
in: Journal of Physics: Conference Series, vol: 1037, issue: 2
Presented at:
The Science of Making Torque from Wind 2018

Type: Conference article (Peer reviewed)

Status: Published     |    Year: 2018     |    DOI: https://doi.org/10.1088/1742-6596/1037/2/022044

2017
  PDF

A semi-empirical airfoil stall noise model based on surface pressure measurements

Bertagnolio, Franck ; Aagaard Madsen , Helge ; Fischer, Andreas ; Bak, Christian
in: Journal of Sound and Vibration, vol: 387, pages: 127-162

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2017     |    DOI: https://doi.org/10.1016/j.jsv.2016.09.033