Time-dependent calculation of a forced mixing layer using a k-epsilon turbulence model
Abstract
A two-dimensional-dependent calculation of a forced turbulent mixing layer is reported. The approach employs a k-epsilon turbulence model to represent the effects of motions which are three dimensional or out of phase with the forcing cycle. Calculations that correspond to conditions of the measurements of Weisbrot (1984) and Weisbrot and Wygnanski (1988) indicate that the main features of the mixing layer development are captured by the computation. The effect of grid refinement on the computed result indicates the importance of adequate resolution of the near field in correctly reproducing the flow evolution. The inlet boundary condition, similarly, is shown to play a decisive role in determining subsequent development.
- Publication:
-
7th Symposium on Turbulent Shear Flows, Volume 1
- Pub Date:
- 1989
- Bibcode:
- 1989tsf.....1...11M
- Keywords:
-
- Flow Distribution;
- Mixing Layers (Fluids);
- Turbulence Models;
- Turbulent Flow;
- Two Dimensional Flow;
- Energy Transfer;
- Equations Of Motion;
- Time Dependence;
- Fluid Mechanics and Heat Transfer