Abstract
In this paper, a comparison is made of the evolution of turbulence in oscillatory channel flows with a zero-mean velocity in two and three dimensions, using the numerical technique of the lattice Boltzmannmethod. The results confirm a primary two-dimensional instability. Evidence is shown of a secondary, viscous three-dimensional instability mechanism acting in the oscillatory boundary layer, which is consistent with experimental observations.
| Original language | English |
|---|---|
| Pages (from-to) | 026302-1-026302-5 |
| Journal | Physical Review E |
| Volume | 68 |
| Issue number | 2 |
| DOIs | |
| Publication status | Published - 2003 |
Keywords
- Fluid Physics
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