Christian Bak

Christian Bak

Seniorforsker

DTU VINDENERGI
Institut for Vindenergi

DTU Vindenergi AER

Danmarks Tekniske Universitet

Frederiksborgvej 399

Bygning 114, Modul S31

4000 Roskilde

Tlf.
Tlf.
Mobil
Fax 46 77 59 60
E-mail chba@dtu.dk
ORCID 0000-0001-9060-151X

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Publikationer rss feed

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     |    År: 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     |    År: 2019     |    DOI: https://doi.org/10.1002/we.2446

  PDF

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     |    År: 2019

  PDF

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     |    År: 2019

  PDF

Solution to minimize leading edge erosion on turbine blades

Bech, Jakob Ilsted ; Bak, Christian ; Vejen, Flemming ; Madsen, Martin Bonde ; Bayar, Mertcan ; Skrzypinski, Witold Robert ; Kusano, Yukihiro ; Halling, Kaj M. ; Saldern, Morten ; Tilg, Anna-Maria ; Fæster, Søren ; Johansen, Nicolai Frost-Jensen
Presented at:
Wind Europe Conference and Exhibition 2019

Type: Poster (Peer reviewed)

Status: Published     |    År: 2019

  PDF

Transition characteristics measured on a 2MW 80m diameter wind turbine rotor in comparison with transition data from wind tunnel measurements

Aagaard Madsen , Helge ; Özçakmak, Özge Sinem ; Bak, Christian ; Troldborg, Niels ; Sørensen, Niels N.
part of: Proceedings of the AIAA Scitech 2019 Forum, 2019, Aerospace Research Central (ARC)
Presented at:
AIAA Scitech 2019 Forum

Type: Article in proceedings (Peer reviewed)

Status: Published     |    År: 2019     |    DOI: https://doi.org/10.2514/6.2019-0801

2018
  PDF

Advanced Wind Tunnel Boundary Simulation for Kevlar Wall Aeroacoustic Wind Tunnels

Devenport, William ; Brown, Ken ; Borgoltz , Aurelien ; Paterson, Eric ; Bak, Christian ; Sørensen, Niels N. ; Olsen, Anders Smærup ; Gaunaa, Mac ; Fischer, Andreas ; Grinderslev, Christian
Presented at:
Advanced Wind Tunnel Boundary Simulation

Type: Paper (Peer reviewed)

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