A new phenomenological turbulence transition model is proposed. The model is based on the calculation of the pre-transitional u.sup.'v.sup.'a3/4 due to mean flow shear. This is used for analysis on the complex flow patterns over three-dimensional geometries. The tested 3D cases are the 6:1 prolate-spheroid under three flow conditions and the transonic DLR-F5 wing test case. The obtained results are compared with the low-Reynolds turbulence model of Spalart-Allmaras and the empirical transition model, [gamma]-R.sub.e[theta]. These show that the developed transition model is able to capture the flow turbulence transition features experimentally recorded.
Analysis of transitional flow in 3D geometries using a novel phenomenological model
2015
Article (Journal)
English
Spectral Element-Fourier Method for Transitional Flows in Complex Geometries
Online Contents | 1993
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