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Influence of the Wind Tunnel Model Mounting on the Wake Evolution of the Common Research Model in Post Stall Read chapter Read first chapter

2021 | OriginalPaper | Chapter

Comparison of Different Methods for the Extraction of Airfoil Characteristics of Propeller Blades as Input for Propeller Models in CFD

Authors : Michael Schollenberger, Thorsten Lutz

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

Publisher: Springer International Publishing

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Abstract

Four different methods for the generation of input data for propeller models (Actuator Disk, Actuator Line) in CFD simulations are described and their results are compared with an unsteady fully resolved simulation of the propeller geometry. It is shown that the neglect of the rotation effects with a 2d method overestimates the propeller thrust and the axial velocity in the wake. If the rotation effects are instead considered with a 3d or a new 2.5d approach or via a recovery from the slipstream data, there is better agreement regarding thrust and slipstream velocities. Thereby, the 2.5d method shows a good compromise between computational effort and the quality of the results.

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previous chapter Assessment of the Disturbance Velocity Approach to Determine the Gust Impact on Airfoils in Transonic Flow
next chapter Effect of the Motion Pattern on the Turbulence Generated by an Active Grid
Literature
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Raichle, A.: Flusskonservative Diskretisierung des Wirkscheibenmodells als Unstetigkeitsfläche. Ph.D. thesis, DLR (2017)
2.
Schollenberger, M., Lutz, T., Krämer, E.: Boundary condition based actuator line model to simulate the aerodynamic interactions at wingtip mounted propellers. In: Dillmann, A., Heller, G., Krämer, E., Wagner, C., Tropea, C., Jakirlić, S. (eds.) New Results in Numerical and Experimental Fluid Mechanics XII. Notes on Numerical Fluid Mechanics and Multidisciplinary Design, vol. 142, pp. 608–618. Springer, Cham (2020). https://​doi.​org/​10.​1007/​978-3-030-25253-3_​58CrossRef
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Samuelsson, I.: Experimental Investigation of low speed model propeller slipstream aerodynamic characteristics including flow field surveys and nacelle/wing static pressure measurements, ICAS-90-3.1.3 (1990)
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Prandtl, L., Betz, A.: Vier Abhandlungen zur Hydrodynamik und Aerodynamik. Universitätsverlag Göttingen, vol. 3 (Reprint 2010)
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Shen, W.Z., Zhu, W.J., Sørensen, J.N.: Study of tip loss corrections using CFD rotor computations. J. Phys. 555, 012094 (2014)
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Bak, C., Johansen, J., Andersen, P.: Three-dimensional corrections of airfoil characteristics based on pressure distributions. In: EWEC (2006)
Metadata
Title
Comparison of Different Methods for the Extraction of Airfoil Characteristics of Propeller Blades as Input for Propeller Models in CFD
Authors
Michael Schollenberger
Thorsten Lutz
Copyright Year
2021
Book
New Results in Numerical and Experimental Fluid Mechanics XIII

Print ISBN: 978-3-030-79560-3

Electronic ISBN: 978-3-030-79561-0

Copyright Year: 2021

DOI
https://doi.org/10.1007/978-3-030-79561-0_3

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