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. Author manuscript; available in PMC: 2020 Jun 10.
Published in final edited form as: J Fluid Mech. 2019 Jun 10;868:698–725. doi: 10.1017/jfm.2019.209

Figure 6.

Figure 6.

(Colour online) (a) Mean tangential Reynolds stress as a function of the wall-normal (or boundary-normal) coordinate for R550 (O), R950 (▼), R2000 (□), NS550 (– – –), NS950 (– – –) and NS2000 (⋯ ⋯). (b) Premultiplied boundary-normal two-dimensional velocity spectra for Robin-bounded channels at x2/h = 0. Contours are 0.1 and 0.6 of the maximum. The red dashed lines are λ1/h = 1 and λ3/h = 1. Symbols are as in panel (a).