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Wind Energy Science The interactive open-access journal of the European Academy of Wind Energy
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WES | Articles | Volume 4, issue 2
Wind Energ. Sci., 4, 251–271, 2019
https://doi.org/10.5194/wes-4-251-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
Wind Energ. Sci., 4, 251–271, 2019
https://doi.org/10.5194/wes-4-251-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

Research article 20 May 2019

Research article | 20 May 2019

Power curve and wake analyses of the Vestas multi-rotor demonstrator

Maarten Paul van der Laan et al.

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Cited articles

Baetke, F., Werner, H., and Wengle, H.: Numerical simulation of turbulent flow over surface-mounted obstacles with sharp edges and corners, J. Wind Eng. Ind. Aerod., 35, 129–147, https://doi.org/10.1016/0167-6105(90)90213-V, 1990. a
Chasapogiannis, P., Prospathopoulos, J. M., Voutsinas, S. G., and Chaviaropoulos, T. K.: Analysis of the aerodynamic performance of the multi-rotor concept, J. Phys. Conf. Ser., 524, 1–11, https://doi.org/10.1088/1742-6596/524/1/012084, 2014. a, b, c, d
Ebenhoch, R., Muro, B., Dahlberg, J.-Å., Berkesten Hägglund, P., and Segalini, A.: A linearized numerical model of wind-farm flows, Wind Energy, 20, 859–875, https://doi.org/10.1002/we.2067, 2017. a
Ghaisas, N. S., Ghate, A. S. ., and Lele, S. K.: Large-eddy simulation study of multi-rotor wind turbines, J. Phys. Conf. Ser., 1037, 1–10, https://doi.org/10.1088/1742-6596/1037/7/072021, 2018. a, b, c
Gilling, L., Sørensen, N., and Rethore, P.: Imposing Resolved Turbulence by an Actuator in a Detached Eddy Simulation of an Airfoil, in: EWEC 2009 Proceedings online, European Wind Energy Association (EWEA), Marseille, France, https://doi.org/10.1002/we.449, 2009. a
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Over the past few decades, single-rotor wind turbines have increased in size with the blades being extended toward lengths of 100 m. An alternative upscaling of turbines can be achieved by using multi-rotor wind turbines. In this article, measurements and numerical simulations of a utility-scale four-rotor wind turbine show that rotor interaction leads to increased energy production and faster wake recovery; these findings may allow for the design of wind farms with improved energy production.
Over the past few decades, single-rotor wind turbines have increased in size with the blades...
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