Nonlinear interactions in a hypersonic boundary layer
نویسندگان
چکیده
Nonlinear interactions between different disturbances in a hypersonic boundary layer are investigated by bispectral analysis. Experiments performed on flared cone at Mach 6 using fast-response pressure sensors and Rayleigh-scattering flow visualization. At the modal growth stage, phase-coupled sum have profound effects of disturbances. Then, difference contribute to spectral broadening. final nonlinear second mode low-frequency waves result stretching deformation mode, which breaks down smaller structures rapidly transitions turbulence.
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ژورنال
عنوان ژورنال: AIP Advances
سال: 2021
ISSN: ['2158-3226']
DOI: https://doi.org/10.1063/5.0044143