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Numerical Stall Behavior Investigation of an Aircraft Equipped with Coanda Flap and Droop Nose Read chapter Read first chapter

2016 | OriginalPaper | Chapter

Investigations on the Wake Development of the MEXICO Rotor Considering Different Inflow Conditions

Authors : Christoph Schulz, Konrad Meister, Thorsten Lutz, Ewald Krämer

Published in: New Results in Numerical and Experimental Fluid Mechanics X

Publisher: Springer International Publishing

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Abstract

The presented studies focus on the numerical analysis of the three bladed MEXICO model wind turbine rotor regarding the wake development under different inflow conditions. One-third-model approaches are used to study grid and numerical effects of the rotor set-up before. Based on this knowledge, a full-model is created and unsteady CFD (Computational Fluid Dynamics) simulations are performed. Moreover, an investigation into the MEXICO measurement data is done in order to answer open questions of previous examinations. The goal of the studies is to simulate wake effects more accurately for different complex cases including yawed inflow.

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Footnotes
1
Also called left-hand side of the turbine or 9 o’clock position.
 
2
Data extracted while blade one pointing upwards.
 
3
Data extracted in horizontal planes at hub height at \(90^{\circ }\) (right-hand side) and \(270^{\circ }\) azimuth (left-hand side) while blade one pointing upwards. All positions are referenced looking streamwise.
 
Literature
1.
Bechmann, A., Sørensen, N.: CFD Simulation of the Mexico Rotor Wake. EWEA (2009)
2.
Boorsma, K., Gomez–Iradi, S., Schulz, C.: On the Influence of MEXICO Blade Shape Deviations. ECN-X-13-038, Energy Research Centre of the Netherlands, ECN (2013)
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Celik, I. et. al.: Procedure for estimation and reporting of uncertainty due to discretization in CFD applications. J. Fluids Eng. Trans. ASME 130(7) (2008)
4.
Chaney, K., Eggers Jr., A.J.: Expanding wake induction effects on thrust distribution on a rotor disc. Wind Energy 5(2-3), 213–226 (2002)
5.
Chatelain, P., Bricteux, L., Backaert, S., Winckelmans, G., Kern, S.: Vortex particle-mesh methods with immersed lifting lines applied to the large Eddy simulation of wind turbine wakes. Proc. Wake Conf. 2011, 120–125 (2011)
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Coleman, R.P., Heingold, A.M., Stempin, C.W.: Evaluation of the Induced-Velocity Field of an Idealized Helicopter Rotor. NACA Report No. L5E10 (1945)
7.
Hansen, M.O.L.: Aerodynamics of Wind Turbines. 2nd edn., Earthscan, Oxford (2008)
8.
Lutz, Th., Meister, K., Krämer, E.: Near Wake Studies of the MEXICO Rotor. EWEA (2011)
9.
Meister, K., Lutz, Th., Krämer, E.: Development of a process chain for detailed wake simulation of horizontal axis wind turbines. EUROMECH 508 (2009)
10.
Parkin, P., Holm, R., Medici, D.: The application of PIV to the wake of a wind turbine in yaw. In: Proceedings of the 4th International Symposium on Particle Image Velocimetry (2001)
11.
Raw Data of the MEXICO Experiments at the DNW (2006)
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Schepers, J.G.: Engineering Models in Wind Energy Aerodynamics. Thesis TU Delft (2012)
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Schepers, J.G. et. al.: Final Report of IEA Task 29 (2012)
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Schulz, C., Klein, L., Weihing, P., Lutz, Th., Krämer, E.: CFD Studies on wind turbines in complex terrain under atmospheric inflow conditions. J. Phys.: Conf. Ser. 524(1), 012134 (2014)
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Vollmers, H.: Detection of vortices and quantitative evaluation of their main parameters from experimental velocity data. Meas. Sci. Technol. 12(8), 1199 (2001)
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Weihing, P., Meister, K., Schulz, C., Lutz, Th., Krämer, E.: Simulations on interference effects between offshore wind turbines. J. Phys.: Conf. Ser. 524(1), 012143 (2014)
Metadata
Title
Investigations on the Wake Development of the MEXICO Rotor Considering Different Inflow Conditions
Authors
Christoph Schulz
Konrad Meister
Thorsten Lutz
Ewald Krämer
Copyright Year
2016
Book
New Results in Numerical and Experimental Fluid Mechanics X

Print ISBN: 978-3-319-27278-8

Electronic ISBN: 978-3-319-27279-5

Copyright Year: 2016

DOI
https://doi.org/10.1007/978-3-319-27279-5_76

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