Maximum kinetic energy dissipation and the stability of turbulent Poiseuille flow
Following Malkus's (J. Fluid Mech., vol. 1, 1956, pp. 521-539) proposal that turbulent Poiseuille channel flow maximises total viscous dissipation D, a variety of variational procedures have been explored involving the maximisation of different flow quantities under different constraints. However, the physical justification for these variational procedures has remained unclear. Here we address more recent claims that mean flow viscous dissipation Dm should be maximised on the basis of a...[Show more]
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