Turbulence Concepts: Reynolds Decomposition and Closure Problem
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Description
This lecture covers the concepts of Reynolds decomposition, Reynolds averaged Navier-Stokes equations for mean flow, and the closure problem in turbulence modeling. It discusses the Bousinesq hypothesis, eddy viscosity, and the feedback on the mean flow, emphasizing the challenges in modeling turbulent flows.
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Explores viscosity in Newtonian fluids, discussing shear stress, shear strain rate, and compressibility, with examples of shear thickening and shear thinning behaviors.
Focuses on velocity boundary layer equations in laminar flow and covers mass and momentum conservation, Navier-Stokes equations, and the Reynolds number.
