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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2020
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CFD modeling of the Poul la Cour Tunnel

Sørensen, Niels N. ; Olsen, A. S. ; Bak, C. ; Gaunaa, M. ; Beckerlee, J. S. ; Fischer, A. ; Mikkelsen, R. F. ; Ildvedsen, S.
in: Journal of Physics: Conference Series, vol: 1618, issue: 5
Presented at:
TORQUE 2020

Type: Conference article (Peer reviewed)

Status: Published     |    Year: 2020     |    DOI: https://doi.org/10.1088/1742-6596/1618/5/052047

 

CFD simulations and evaluation of applicability of a wall roughness model applied on a NACA 633‐418 airfoil

Kruse, Emil Krog ; Sørensen, Niels N. ; Bak, Christian ; Nielsen, Mikkel Schou
in: Wind Energy, vol: 23, issue: 11, pages: 2056-2067

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2020     |    DOI: https://doi.org/10.1002/we.2545

 

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

Olsen, Anders Smærup ; Ramos‐García, Néstor ; Bak, Christian
in: Wind Energy, vol: 23, issue: 3, pages: 608-616

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2020     |    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, vol: 23, issue: 3, pages: 617-626

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2020     |    DOI: https://doi.org/10.1002/we.2446

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Optimal relationship between power and design-driving loads for wind turbine rotors using 1-D models

Lønbæk, Kenneth ; Bak, Christian ; Madsen, Jens I. ; Dam, Bjarke
in: Wind Energy Science, vol: 5, issue: 1, pages: 155-170

Type: Journal article (Peer reviewed)

Status: Published     |    Year: 2020     |    DOI: https://doi.org/10.5194/wes-5-155-2020

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Optimization of the erosion-safe operation of the IEA Wind 15 MW Reference Wind Turbine

Skrzypiński, W. R. ; Bech, J. I. ; Hasager, Ch. B. ; Tilg, A.-M. ; Bak, C. ; Vejen, F.
in: Journal of Physics: Conference Series, vol: 1618, issue: 5
Presented at:
TORQUE 2020

Type: Conference article (Peer reviewed)

Status: Published     |    Year: 2020     |    DOI: https://doi.org/10.1088/1742-6596/1618/5/052034

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The influence of leading edge roughness, rotor control and wind climate on the loss in energy production

Bak, Christian ; Forsting, Alexander M. ; Sørensen, Niels N.
in: Journal of Physics: Conference Series, vol: 1618, issue: 5
Presented at:
TORQUE 2020

Type: Conference article (Peer reviewed)

Status: Published     |    Year: 2020     |    DOI: https://doi.org/10.1088/1742-6596/1618/5/052050

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Why is the measured maximum lift in wind tunnels dependent on the measurement method?

Olsen, A. S. ; Sørensen, N. N. ; Bak, C. ; Gaunaa, M. ; Mikkelsen, R. ; Fischer, A. ; Beckerlee, J. ; Ildvedsen, S.
in: Journal of Physics: Conference Series, vol: 1618, issue: 3
Presented at:
TORQUE 2020

Type: Conference article (Peer reviewed)

Status: Published     |    Year: 2020     |    DOI: https://doi.org/10.1088/1742-6596/1618/3/032040

2019
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Leading edge erosion the state of the art research results

Hasager, Charlotte Bay ; Mishnaevsky, Leon ; Bak, Christian
Presented at:
WindEurope Offshore 2019: Our energy, our future

Type: Poster (Peer reviewed)

Status: Published     |    Year: 2019

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On leading edge erosion at turbine blades due to heavy rain and the application of erosion safe mode control to extend life

Hasager, Charlotte Bay ; Bech, Jakob Ilsted ; Bak, Christian
Presented at:
3rd ACI Operations & Maintenance for Offshore Wind

Type: Sound/Visual production (digital)

Status: Published     |    Year: 2019