Calculation Of Reattaching Shear Layers In Divergent Channel With A Multiple Time Scale Turbulence Model
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Calculation of Reattaching Shear Layers in Divergent Channel with a Multiple-Time-Scale Turbulence Model
| Author | : National Aeronautics and Space Adm Nasa |
| Publisher | : Independently Published |
| Total Pages | : 28 |
| Release | : 2018-10-24 |
| Genre | : Science |
| ISBN | : 9781729189139 |
Numerical calculations of turbulent reattaching shear layers in a divergent channel are presented. The turbulence is described by a multiple-time-scale turbulence model. The turbulent flow equations are solved by a control-volume based finite difference method. The computational results are compared with those obtained using k-epsilon turbulence models and algebraic Reynolds stress turbulence models. It is shown that the multiple-time-scale turbulence model yields significantly improved computational results than the other turbulence models in the region where the turbulence is in a strongly inequilibrium state. Kim, S.-W. Glenn Research Center NASA ORDER C-99066-G; RTOP 505-62-21
Fundamentals Of Turbulence Modelling
| Author | : Ching Jen Chen |
| Publisher | : CRC Press |
| Total Pages | : 312 |
| Release | : 1997-12-01 |
| Genre | : Technology & Engineering |
| ISBN | : 9781560324058 |
Focuses on the second-order turbulence-closure model and its applications to engineering problems. Topics include turbulent motion and the averaging process, near-wall turbulence, applications of turbulence models, and turbulent buoyant flows.
