Obstructed shear flows: similarities across systems and scales

@inproceedings{Ghisalberti2009ObstructedSF,
  title={Obstructed shear flows: similarities across systems and scales},
  author={Marco Ghisalberti},
  year={2009}
}
In this paper, I show that a range of environmental flows are inherently dynamically similar. These flows, which are partially obstructed by a permeable medium, are here termed ‘obstructed shear flows’. Examples include aquatic flows over sediment beds, submerged vegetation canopies and coral reefs, as well as atmospheric flows over crop canopies, forests and cities (‘urban canopies’). While the density and geometry of the obstructions may vary, the drag in each system generates a velocity… CONTINUE READING

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