Towards Reconciling the Large-Scale Structure of Turbulent Boundary Layers in the Atmosphere and Laboratory

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Turbulent boundary layer statistics at very high Reynolds number (2015, background): “…values are 70 000 (Winter & Gaudet 1973) and 19 000 (Mathis, Hutchins & Marusic 2009), although some limited but valuable turbulence data were acquired at 69 000 in the LCC facility by Winkel et al. (2012), and at 650 000 in the neutral atmospheric boundary layer by Hutchins et al. (2012).”
On the logarithmic region in wall turbulence (2013, methodology): “This result is consistent with the estimated sand grain roughness height of k+s ≈ 21 in the SLTEST experiments (Hutchins et al. 2012).”
Enhancing computational fluid dynamics with machine learning (2021, result): “In certain applications, for instance those involving atmospheric boundary layers (ABLs), the Reynolds number is several orders of magnitude larger than those of most studies based on turbulence models or wind-tunnel experiments [84].”
Generalized logarithmic law for high-order moments in turbulent boundary layers (2013, methodology): “…at Reynolds numbers Reτ = 2800, 3900, 7300 and 19 030 measured in the large Melbourne wind tunnel (HRNBLWT) with a 2.5 µm diameter hot wire, and from Hutchins et al. (2012) for measurements at the SLTEST site in Utah’s Western Desert using a wall-normal array of nine sonic anemometers under…”