Research Notes

Boundary-Layer Meteorology

, Volume 22, Issue 2, pp 241-244

First online:

Internal boundary layer growth following a step change in surface roughness

  • D. H. WoodAffiliated withDepartment of Mechanical Engineering, University of Newcastle

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The testing of a simple correlation for the height of the internal layer, found from dimensional analysis, is described. It is shown that the internal layer is controlled by the larger of the upstream and downstream roughness length scales.