The similarity solution for turbulent mixing of two-layer stratified fluid

  title={The similarity solution for turbulent mixing of two-layer stratified fluid},
  author={J Andrew Whitehead},
Experiments are reviewed in which a two-layer salt-stratified tank of water was mixed by turbulence. The density profile began as a single step and evolved to a smooth mixed profile. The turbulence was generated by many excursions of a horizontally moving vertical rod with Richardson number Ri > 0.9 and Reynolds Number Re > 600. There was almost perfect collapse of all the profiles to one universal profile as a function of a similarity variable. We develop a theoretical model for a simple… CONTINUE READING

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