Control of Unsteady Görtler Instability Modes by Steady Görtler Vortices

2021 ◽  
pp. 227-232
Author(s):  
D. A. Mischenko ◽  
V. I. Borodulin ◽  
A. V. Ivanov ◽  
Y. S. Kachanov
Keyword(s):  
Görtler Vortices ◽  
Instability Modes ◽  
Gortler Vortices

Visualization of transition

1969 ◽  
Vol 38 (3) ◽  
pp. 473-480 ◽  
Author(s):  
F. X. Wortmann
Keyword(s):  
Boundary Layer ◽  
Experimental Study ◽  
Flow Visualization ◽  
Three Dimensional ◽  
Vortex Pair ◽  
Instability Mode ◽  
Vortex Pattern ◽  
Görtler Vortices ◽  
Instability Modes ◽  
Gortler Vortices

In an experimental study the development of transition downstream of Görtler vortices was investigated. With the tellurium method it was possible to distinguish beyond the Görtler vortices to successive instability modes. The first deforms the vortex pattern in a steady way and produces between each vortex pair boundary-layer profiles with two points of inflexion. When this has been established another instability mode starts, consisting of regular three-dimensional oscillations. By detailed flow visualization a nearly complete picture of the different flow patterns can be obtained.

scholarly journals New method of excitation of 3D instability modes in boundary layers and its application to experiments on control of unsteady Görtler vortices

2018 ◽  
Author(s):  
V. I. Borodulin ◽  
A. V. Ivanov ◽  
Y. S. Kachanov ◽  
D. A. Mischenko ◽  
K.-S. Choi ◽  
...  
Keyword(s):  
Boundary Layers ◽  
New Method ◽  
Görtler Vortices ◽  
Instability Modes ◽  
Gortler Vortices

Investigation of weakly-nonlinear development of unsteady Görtler vortices

2010 ◽  
Vol 17 (4) ◽  
pp. 455-481 ◽  
Author(s):  
A. V. Boiko ◽  
A. V. Ivanov ◽  
Yu. S. Kachanov ◽  
D. A. Mischenko
Keyword(s):  
Weakly Nonlinear ◽  
Nonlinear Development ◽  
Görtler Vortices ◽  
Gortler Vortices

On the formation of Taylor–Görtler vortices in RMF-driven spin-up flows

2011 ◽  
Vol 52 (1) ◽  
pp. 1-10 ◽  
Author(s):  
T. Vogt ◽  
I. Grants ◽  
D. Räbiger ◽  
S. Eckert ◽  
G. Gerbeth
Keyword(s):  
Görtler Vortices ◽  
Gortler Vortices
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