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2016 | OriginalPaper | Buchkapitel

On Evaluating Flow Resistance of Rigid Vegetation Using Classic Hydraulic Roughness at High Submergence Levels: An Experimental Work

verfasst von : Vittorio Pasquino, Paola Gualtieri, Guelfo Pulci Doria

Erschienen in: Hydrodynamic and Mass Transport at Freshwater Aquatic Interfaces

Verlag: Springer International Publishing

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Abstract

Vegetation resistance is generally evaluated using drag coefficient CD related to friction factor f; however, some authors examined a possibility of employing classic hydraulic roughness coefficients (i.e., Nikuradse’s or Strickler’s) to calculate vegetation resistance in case of high submergence (h/k > 5, in which h is flow height and k represents vegetation height). In order to compare conventional roughness at high submergence levels, an experimental methodology was developed, focused, in particular, on fully submerged and rigid vegetation, for different hydraulic conditions and varying non-dimensional vegetation density.

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Literatur
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Metadaten
Titel
On Evaluating Flow Resistance of Rigid Vegetation Using Classic Hydraulic Roughness at High Submergence Levels: An Experimental Work
verfasst von
Vittorio Pasquino
Paola Gualtieri
Guelfo Pulci Doria
Copyright-Jahr
2016
DOI
https://doi.org/10.1007/978-3-319-27750-9_22