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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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     |    År: 2019

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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
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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

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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

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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

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

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Leading edge erosion of wind turbine blades

Hasager, Charlotte Bay ; Bech, Jakob Ilsted ; Kusano, Yukihiro ; Sjöholm, Mikael ; Mikkelsen, Torben Krogh ; Bak, Christian ; Skrzypinski, Witold Robert ; Fæster, Søren ; Tilg, Anna-Maria ; Vejen, Flemming ; Madsen, Martin Bonde ; Bayar , Mertcan ; Pedersen, Morten Saldern ; Halling, Kaj M.
Presented at:
Onshore and offshore wind engineering 2018

Type: Sound/Visual production (digital)

Status: Published     |    År: 2018

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

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