Turbulence in a Two-Dimensional Wall-Jet - Experiments and Modeling,
Paper in proceedings, 1992

An experimental and numerical investigation of the turbulence field in a two-dimensional wall-jet has been carried out in a well-defined geometry. The measurements were performed using a hot-wire technique and the calculations were carried out with a standard k-ε model as well as an algebraic stress model (ASM), using elliptic solvers. For the mean velocity field, good agreements were found between the measurements and the calculations. The measurements of the turbulence intensities reveal two maxima in the stream-wise and span-wise components, while only one maximum was found in the normal component. Also in the shear stress two maxima were found. A comparison between calculations and measurements indicates that improved turbulence models are needed.

Author

Hans Abrahamsson

Chalmers, Department of Thermo and Fluid Dynamics

Helge Andersson

Bert Johansson

Chalmers, Department of Thermo and Fluid Dynamics

Lennart Löfdahl

Chalmers, Department of Thermo and Fluid Dynamics

13th Turbulence Conference in Missouri-Rolla.

Subject Categories

Fluid Mechanics and Acoustics

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Created

10/8/2017