Prediction of Transition Locations in Regions of the Minor Axis of Hypersonic Elliptic Cones Using the BiGlobal-$e^N$ Method
Lei Zhao Lei Zhao,
Wenqiang Zhou Wenqiang Zhou,
Xinliang Li Xinliang Li
et al.
Abstract:Two-dimensional global (BiGlobal) stability in the region of the minor axis is investigated in the case of hypersonic elliptic cones with major-minor axis ratios of 2 : 1 and 3 : 1 at Mach number 6.0, and the BiGlobal-e N method is proposed to predict the transition location of the boundary layer. Matrix-free BiGlobal stability analysis is used to find unstable modes, including the Y-mode and the Z-mode. The growth rates in the streamwise-frequency plane for these modes are obtained. The N max all factor is p… Show more
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