Direct numerical simulation of the turbulent boundary layer over a rod-roughened wall

By S. H. Lee, Hyung Jin Sung. Journal of Fluid Mechanics, 2007

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Cascades in Wall-Bounded Turbulence (2012, background): “…flows have increased steadily, and the channels by Abe et al. (2004), del Álamo et al. (2004), and Hoyas & Jiménez (2006), or the boundary layers by Lee & Sung (2007, 2011), Schlatter et al. (2009), Simens et al. (2009), Wu & Moin (2010), and Sillero et al. (2010), with δ+ ≈ 1,000–2,000, are…”
Spatial structure of a turbulent boundary layer with irregular surface roughness (2010, background): “…the fundamental differences between flow over three-dimensional and two-dimensional roughness as other studies of two-dimensional roughness have similarly reported strong outer-layer modifications in an external flow arrangement (Krogstad & Antonia 1999; Keirsbulck et al. 2002; Lee & Sung 2007).”
Direct numerical simulation of the turbulent boundary layer over a cube-roughened wall (2010, methodology): “These results are consistent with those of Lee & Sung (2007), who investigated the velocity triple products in their DNS data for a 2-”
Turbulence structure in a boundary layer with two-dimensional roughness (2009, methodology): “Lee & Sung (2007) reported an increase of all the Reynolds normal stresses and the Reynolds shear stress across most of the boundary layer.”