Characteristics of 3D Instability of a 35-Degree Swept Wing to CF and TS Modes. Experiment and Theory.
Borodulin, V. I.
Ivanov, A. V.
Kachanov, Y. S.
AIRPLANE wing design
BOUNDARY layer (Aerodynamics)
COMPUTATIONAL fluid dynamics
AIP Conference Proceedings; 2016, Vol. 1770 Issue 1, p1-18, 18p, 27 Graphs
An extensive experimental investigation of linear evolution of Cross-Flow (CF) and Tollmien-Schlichting (TS) modes of 3D boundary layer oscillations on a swept wing has been carried out. TS-instability characteristics have been studied experimentally for the first time. The characteristics of development of the two kinds of instability modes are compared with calculations and display a very good agreement. The whole dataset may be used for promotion of theoretical methods of investigation of laminar-turbulent transition in swept wing boundary layers. [ABSTRACT FROM AUTHOR]
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