نتایج جستجو برای: hydraulic roughness coefficient

تعداد نتایج: 216863  

2012
Nidal Hadadin

This study investigated the effect of cross sectional geometry on sediment transport rate. The processes of sediment transport are generally associated to environmental management, such as pollution caused by the forming of suspended sediment in the channel network of a watershed and preserving physical habitats and native vegetations, and engineering applications, such as the influence of sedi...

2008
P. Bohorquez

In most cases authors are permitted to post their version of the article (e.g. in Word or Tex form) to their personal website or institutional repository. Authors requiring further information regarding Elsevier's archiving and manuscript policies are encouraged to visit: Summary The hydrologic characteristics of the 1943 outburst flood from the Glacier du Mont Miné, Switzerland, are herein rec...

2013
J. Noordermeer

Introduction A paradigm shift in Dutch river management has lead to a focus on restoring natural rivers as a means of flood defence. This was initiated by a combination of changing European Union environmental policy and the realization that Dutch water management was subjected to a technological lock-in (Wesselink, 2007). The changes in river management have led to larger floodplain dimensions...

Journal: :مهندسی عمران فردوسی 0
مهدی اژدری مقدم احسان جعفری ندوشن

labyrinth spillway is an appropriate option to pass pmf discharge. the most advantages of this type of spillway are higher discharge capacity, easy aeration as well as low fluctuations of flow surface. it is essential to find the optimum geometry considering the maximum passing discharge under specific hydraulic conditions with minimum construction cost. in this study, fuzzy inference system (f...

Journal: :Journal of Japan Society of Civil Engineers, Ser. B1 (Hydraulic Engineering) 2015

2015
Bradley P. Lipovsky Eric M. Dunham

Oscillatory seismic signals arising from resonant vibrations of hydraulic fractures are observed in many geologic systems, including volcanoes, glaciers and ice sheets, and hydrocarbon and geothermal reservoirs. To better quantify the physical dimensions of fluid-filled cracks and properties of the fluids within them, we study wave motion along a thin hydraulic fracture waveguide. We present a ...

2009
E. Bautista M. Niblack

WinSRFR is an integrated software package for analyzing surface irrigation systems. Software functionalities and technical features are described in a companion article. This article documents an example application. The analyzed field is a graded basin (close-ended border) irrigation system. The event analysis tools of WinSRFR are used first to evaluate performance of the irrigation system and...

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