Channel flow with multiple bumps at high Reynolds number

Channel flow with multiple bumps at high Reynolds number, starting from fully developed flow. The flow shows a very complex behaviour, on large as well as small scales, in space and time.

• Distribution of temperature/concentration via Boussinesq model
  
  

  Visualization via distribution of the concentration in the flow field, via temperature distribution from the heated walls (first and second, shaded, 1.5 MB and 2.3 MB, with different color maps).
  

  
  
  
  
  
  
  

• Pressure
  
  

  Visualization via pressure plots, shaded (first, 1.0 MB) and via isolines (second, 7.2 MB).
  

  
  
  
  
  
  
  

• Streamfunction
  
  

  Visualization via streamline plots, shaded (first, 1.2 MB) and via isolines (second, 7.4 MB).
  

  
  
  
  
  
  
  

• Velocity
  
  

  Visualization via vector plots (8.2 MB).