نتایج جستجو برای: especially on slopes

تعداد نتایج: 8528091  

Journal: :Journal of Applied Meteorology and Climatology 2016

Journal: :Algebraic & Geometric Topology 2017

Journal: :روش های عددی در مهندسی (استقلال) 0
کاظم اسماعیلی و جلیل ابریشمی k. esmaili and j. abrishami

many studies have been conducted on the characteristics of hydraulic jumps over horizontal basins. on sloping basins, however, few such studies have been performed so that the issue requires more investigation. a significant number of studies has also been conducted on basins with positive slopes but comparatively few have been carried out on basins with negative slopes. this study was carried ...

K. Esmaili and J. Abrishami,

Many studies have been conducted on the characteristics of hydraulic jumps over horizontal basins. On sloping basins, however, few such studies have been performed so that the issue requires more investigation. A significant number of studies has also been conducted on basins with positive slopes but comparatively few have been carried out on basins with negative slopes. This study was carried ...

K. Esmaili and J. Abrishami,

Many studies have been conducted on the characteristics of hydraulic jumps over horizontal basins. On sloping basins, however, few such studies have been performed so that the issue requires more investigation. A significant number of studies has also been conducted on basins with positive slopes but comparatively few have been carried out on basins with negative slopes. This study was carried ...

Journal: :journal of hydraulic structures 2013
r. ghaldarbandi m.h. keshavarz keshavarz h. hakimzadeh

in this paper, effects of the cross shore and groyne wall slopes on flow parameters around an impermeable groyne were considered using a three-dimensional numerical cfd model (i.e., fluent). the k-ε turbulence model was used to evaluate the reynolds stresses. the model was first applied to a vertical groyne on a flat bed and the model results were compared with the relevant experimental data. t...

Journal: :مرتع و آبخیزداری 0
یحیی پرویزی استادیار مرکز تحقیقات کشاورزی و منابع طبیعی کرمانشاه، کرمانشاه محمد قیطوری استادیار مرکز تحقیقات کشاورزی و منابع طبیعی کرمانشاه، کرمانشاه مسیب حشمتی استادیار مرکز تحقیقات کشاورزی و منابع طبیعی کرمانشاه، کرمانشاه

the wepp physically model is able to dynamically simulate runoff and soil erosion using physical concepts of erosion and hydraulic of overland flow science considering plant growth, residue decomposition, winter process. determination of the capability of this model in runoff and erosion estimation in different range type with investigation the effects of management were the main objectives of ...

Journal: :Algebraic & Geometric Topology 2005

H. Hakimzadeh M.H. Keshavarz Keshavarz R. Ghaldarbandi

In this paper, effects of the cross shore and groyne wall slopes on flow parameters around an impermeable groyne were considered using a three-dimensional numerical CFD model (i.e., FLUENT). The k-ε turbulence model was used to evaluate the Reynolds stresses. The model was first applied to a vertical groyne on a flat bed and the model results were compared with the relevant experimental data. T...

2002
Christopher Gold

Good quality terrain models are becoming more and more important, as applications such as runoff modelling are being developed that demand better surface orientation information than is available from traditional interpolation techniques. A consequence is that poor-quality elevation grids must be massaged before they provide useable runoff models. This paper describes improved methods for extra...

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