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Implementation of a Method to Determine Aerodynamic Propeller-Wing Interaction Read chapter Read first chapter

2020 | OriginalPaper | Chapter

Assessment and Modification of the \(\gamma -Re_\theta \) Transition Model Behavior Outside the Boundary Layer

Authors : Philip Ströer, Cornelia Grabe, Andreas Krumbein

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

Publisher: Springer International Publishing

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Abstract

The behavior of the local correlation-based \(\gamma -Re_\theta \) transition model outside the boundary layer was investigated. It is shown that for perturbed vorticity distributions in the wake the intermittency drops below one. To investigate and quantify this effect, a test case consisting of two NLF(1)-0416 airfoils was simulated imitating a wing tailplane interaction of an aircraft. As a remedy two model modifications are proposed to eliminate the undesired effects. Besides, based on Reynolds-Averaged Navier-Stokes computations a theoretical analyses was performed identifying the stability properties of the original and modified \(\gamma \) equation.

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Metadata
Title
Assessment and Modification of the Transition Model Behavior Outside the Boundary Layer
Authors
Philip Ströer
Cornelia Grabe
Andreas Krumbein
Copyright Year
2020
Book
New Results in Numerical and Experimental Fluid Mechanics XII

Print ISBN: 978-3-030-25252-6

Electronic ISBN: 978-3-030-25253-3

Copyright Year: 2020

DOI
https://doi.org/10.1007/978-3-030-25253-3_12

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