Linear energy amplification in turbulent channels

By J. D. Álamo, Javier Jiménez. Journal of Fluid Mechanics, 2006

350 citations recorded by the source corpus.

Subfields: Computational Mechanics, Ocean Engineering

View Paper: https://www.semanticscholar.org/paper/67f8edb51fe3a84a04bdfa3c0785ae24a04b6f63

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In Computational Mechanics

In Ocean Engineering

Citations in the corpus

Colour of turbulence (2016, neutral): “For instance, one such modiﬁcation is obtained by augmenting molecular viscosity with the turbulent eddy viscosity (Reynolds & Hussain 1972; Del Álamo & Jiménez 2006; Cossu et al. 2009; Pujals et al. 2009; Hwang & Cossu 2010 a , b ).”
Linear non-normal energy amplification of harmonic and stochastic forcing in the turbulent channel flow (2010, methodology): “The same arguments explain the proportionality to λz of the time of maximum temporal growth of log-layer structures observed by del Álamo & Jiménez (2006) and Pujals et al. (2009).”
Amplification of coherent streaks in the turbulent Couette flow: an input–output analysis at low Reynolds number (2010, methodology): “The low Reynolds number also explains that the Gmax curves do not show any sign of the secondary peak associated with near-wall structures with λ+z ≈ 90 − 100, contrary to what is found by del Álamo & Jiménez (2006) and Pujals et al. (2009) for the plane Poiseuille flow.”
The engine behind (wall) turbulence: perspectives on scale interactions (2017, background): “Further, there is evidence for geometric self-similarity of the optimal perturbations for intermediate spanwise wavenumbers (del Álamo & Jiménez 2006; Hwang & Cossu 2010b).”
A critical-layer framework for turbulent pipe flow (2010, methodology): “This structure is also consistent with the work of del Álamo & Jiménez (2006), who showed that the two types of disturbance that experience maximal transient growth in the initial value problem in turbulent channel flow, one inner scaling and one outer scaling disturbance, both resemble…”
Vortical structures in the turbulent boundary layer: a possible route to a universal representation (2008, methodology): “…eddies in turbulence (Tanahashi et al. 1997, 2001), there has been a joint effort for several years by Stanford, Urbana Champaign and Madrid Universities to perform and analyse high-Reynolds-number DNS of channel flow (Jimenez et al. 2004; del Álamo et al. 2006; del Álamo & Jimenez 2006).”
A predictive inner–outer model for streamwise turbulence statistics in wall-bounded flows (2011, background): “These large-scale log-region events have been proposed to be a series of very long trains of aligned hairpin eddies (Adrian 2007); but also as global modes (del Álamo & Jiménez 2006).”