Conditional statistics of the turbulent/non-turbulent interface in a jet flow

@article{Gampert2013ConditionalSO,
  title={Conditional statistics of the turbulent/non-turbulent interface in a jet flow},
  author={Markus Gampert and V. Narayanaswamy and P. W. Schaefer and Norbert Peters},
  journal={Journal of Fluid Mechanics},
  year={2013},
  volume={731},
  pages={615 - 638}
}
Abstract Using two-dimensional high-speed measurements of the mixture fraction $Z$ in a turbulent round jet with nozzle-based Reynolds numbers $R{e}_{0} $ between 3000 and 18 440, we investigate the scalar turbulent/non-turbulent (T/NT) interface of the flow. The mixture fraction steeply changes from $Z= 0$ to a final value which is typically larger than 0.1. Since combustion occurs in the vicinity of the stoichiometric mixture fraction, which is around $Z= 0. 06$ for typical fuel/air mixtures… Expand
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