Tianyi Bai

Mar 29, 2024 | link.aps.org | Tianyi Bai |Aerospace Engineering |Lin Fu

Townsend's attached eddy hypothesis (AEH), one of the most elegant models in incompressible wall turbulence, has been recently applied to compressible wall turbulence to explain the numerical observations and predict the scaling laws. Before a more profound extension can be established, a comprehensive investigation of the features of wall-attached eddies for streamwise velocity and temperature fields in compressible wall-bounded turbulence is required.

Jan 17, 2024 | mdpi.com | Jiayi Chen |Tianyi Bai |Xin Cong |Jiazeng Su

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Dec 6, 2023 | link.aps.org | Tianyi Bai |Aerospace Engineering |Kevin Griffin

The similarity of turbulent structures between compressible and incompressible wall turbulence has been well recognized through mostly visualization of instantaneous fields. However, some questions remain unclear, such as will Morkovin's hypothesis and semilocal scaling, with which many mean flow profiles collapse, also be applicable to instantaneous features of turbulence structures and why.