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Journal of Applied Fluid Mechanics، جلد ۹، شماره ۳، صفحات ۱۲۷۳-۱۲۸۳
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عنوان انگلیسی Mean Velocity Predictions in Vegetated Flows
چکیده انگلیسی مقاله Vegetation plays an important role in influencing the hydrodynamic behavior, ecological equilibrium and environmental characteristics of water bodies. Several previous models have been developed, to predict hydraulic conditions in vegetated rivers, but only few are actually used in practice. In This paper six analytic model derived for submerged vegetation are compared and evaluate: Klopstra et al. (1997); Stone and Shen (2002); Van velzen (2003); Baptist et al. (2007); Huthoff et al. (2007) and Yang and Choi (2010). The evaluation of the flow formulas is based on the comparison with experimental data from literature using the criteria of deviation. Most descriptors show a good performance for predicting the mean velocity for rigid vegetation. However, the flow formulas proposed by Klopstra et al. (1997) and Huthoff et al. (2007) show the best fit to experimental data. Only for experiments with law density, these models indicate an underestimation. Velocity predicted for flexible vegetation by the six models is less accurate than the prediction in the case of rigid vegetation.
کلیدواژه‌های انگلیسی مقاله Mean velocity, Vegetation, Analytic models, Measured data, Performance, Underestimation
نویسندگان مقاله M. Morri |
Laboratory of Water Sciences and Technology, National Institute of Agronomy of Tunisia, University of Carthage, Tunis, Tunisia

A. Soualmia |
Laboratory of Water Sciences and Technology, National Institute of Agronomy of Tunisia, University of Carthage, Tunis, Tunisia

P. Belleudy |
University of Grenoble Alpes, LTHE, F-38000 Grenoble, France

نشانی اینترنتی https://www.jafmonline.net/article_1705_f8202251647ef5a5da8168b0519e3b7e.pdf
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