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Fig. 9 | Experiments in Fluids

Fig. 9

From: PIV-based pressure estimation in the canopy of urban-like roughness

Fig. 9

Distribution of surface drag over a repeating unit of C10R. a Plan-view, as given in Fig. 1, wind direction is from left to right. Each individual obstacle is color-coded according to the relative contribution to the total surface drag, obtained by integrating the axial pressure difference over the cross area. Individual percentage contributions are written either above or below. b Pie chart illustrates the relative contribution to wall drag by the tallest obstacle (1.72H high) and by the second tallest (1.36H high)

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