HIGHLIGHTS
- who: Gaute Linga from the Departments University of Copenhagen, Blegdamsvej, Copenhagen, Denmark have published the Article: Onset of turbulence in channel flows with scale-invariant roughness, in the Journal: (JOURNAL) of 29/07/2022
- what: Using 3D direct numerical simulations (DNS) of the time-dependent Navier-Stokes equations, the authors characterize the transition to turbulence in channels with self-affine boundary roughness (the model system and equations are described in Sec II). By looking at the turbulent intensity, defined to be proportional to the mean-square fluctuations, the authors show that the transition to turbulence . . .
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