High Reynolds number effects in wall turbulence

By Ivan Marusic, R. Mathis, Nicholas Hutchins. Proceeding of Sixth International Symposium on Turbulence and Shear Flow Phenomena, 2010

233 citations recorded by the source corpus.

A review of recent advances in the study of high Reynolds number turbulent boundary layers is given. The emergent regime of very large-scale structures in the logarithmic region and their subsequent influence on the near-wall cycle challenges many of the previously held assumptions regarding scaling of turbulent boundary layers at high Reynolds numbers. Experimental results are presented to illustrate the superimposition of large-scale energy onto the near-wall cycle, together with an interaction well described by an amplitude modulation effect. Both phenomena are shown to increase in magnitude (as compared to viscous-scaled events) as Reynolds number increases. These observations lead to a possible model for a statistically representative near-wall velocity signal (giving accurate energy spectra) based on a given filtered velocity signal from the log region of a high Reynolds number turbulent flow.

Subfields: Aerospace Engineering, Computational Mechanics, Environmental Engineering

View Paper: https://www.semanticscholar.org/paper/aaa101fcdde15d67051fffa624630a8984398136

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Citations in the corpus

A theoretical decomposition of mean skin friction generation into physical phenomena across the boundary layer (2016, background): “…with Orlandi & Jiménez (1994), but is dominated by the logarithmic layer (B2) at high Reynolds numbers, whose increasing relative contribution to turbulent kinetic-energy production has been emphasized by Marusic et al. (2010) (see further discussions by Smits et al. (2011) and Jiménez (2013)).”
Direct numerical simulation of turbulent channel flow up to $\mathit{Re}_{{\it\tau}}\approx 5200$ (2014, background): “Further, it is in this range that characteristics of wall-bounded turbulence associated with high Reynolds number are first manifested (Marusic et al. 2010b), and so studies of these phenomena must necessarily be conducted at these Reynolds numbers.”
A predictive inner–outer model for streamwise turbulence statistics in wall-bounded flows (2011, methodology): “The MMH predictive model (Marusic et al. 2010b) of a realistic streamwise fluctuating velocity signal for the entire near-wall region of wall-bounded flows is fully described.”
Evolution of zero-pressure-gradient boundary layers from different tripping conditions (2015, methodology): “However, significant challenges still exist in identifying the true statistical behaviour of a ZPG boundary layer, particularly at high Reynolds numbers (Marusic et al. 2010b).”
Spectral analysis of the budget equation in turbulent channel flows at high Reynolds number (2018, methodology): “…EΨ (k, y) dk. (3.14c) Selecting a cutoff wavenumber is somewhat arbitrary and controversial in the context of defining the large scales (Hutchins et al. 2009; Monty et al. 2009; Marusic et al. 2010c; Ganapathisubramani et al. 2012; Wu, Baltzer & Adrian 2012; Chin et al. 2014; Ahn, Lee & Sung 2017).”
Towards Reconciling the Large-Scale Structure of Turbulent Boundary Layers in the Atmosphere and Laboratory (2012, background): “A thorough reading on coherent structures in laboratory flows can be found in the reviews of Robinson (1991), Panton (2001), Klewicki (2010), Marusic et al. (2010b) and Smits et al. (2011).”
A parametric study of adverse pressure gradient turbulent boundary layers (2011, methodology): “The scaling of the streamwise turbulence intensity near the wall in canonical turbulent shear flows remains an open question and has received increasing attention in the last decade (for example, Marusic et al., 2010c,, 2001; Smits et al., 2011; Hutchins et al., 2009; DeGraaff and Eaton, 2000).”
Very-large-scale motions in a turbulent boundary layer (2010, background): “Smith (1984) confirmed the presence of hairpin loops by using videos of H2 bubble patterns and demonstrated the formation of successive hairpin structures in an organized manner in the streamwise direction. Smith et al. (1991) subsequently extended this research to argue that hairpins can actually r”