نتایج جستجو برای: rectangular weir

تعداد نتایج: 23854  

Journal: :PROCEEDINGS OF HYDRAULIC ENGINEERING 2001

Journal: :Journal of Engineering and Applied Science 2023

Abstract Weirs are hydraulic obstructions constructed across an open-channel flow causing a rise in water which is useful to convert the channels upstream as well using these structures measuring device. There different types, and sharp-crested weir one of them. Local scour downstream most critical problems affecting their safety stability. Many studies conducted prevent facilities from collaps...

Journal: :Computers & Mathematics with Applications 2005

M. k. Beirami and M. Ilaghi Hoseiny,

Forced hydraulic jump in a horizontal stilling basin with one and two continuous sills at the downstream end of an ogee standard weir was investigated. Experiments were completed on sills of five different heights which were fixed at two different distances from the toe of the weir. The main characteristics of the jump such as the sequent depth ratio, relative roller &#10length, and relative en...

ژورنال: علوم آب و خاک 2019

Nonlinear weirs are regarded as important hydraulic structures for water level adjustment and flow control in channels, rivers and dam reservoirs. One example of non-linear weirs is shaped as curved-zigzag. The crest axis of these weirs is non-linear. At a given width, the crest length is greater than that of the conventional linear weirs. Thus, they achieve a higher flow rate for an identical ...

Journal: :Water 2023

With the continuous operation of check dams, silting elevation whole dam gradually increases. When height is close to broad-crested weir, it will result in a large change hydraulic characteristics original flow pattern. For subsequent reinforcement work, necessary know how excessive sediment deposition affects overflow from weir into spillway. However, few studies about discharge coefficients a...

2013
W. S. J. Uijttewaal

Introduction Conclusions References Tables Figures Back Close Full Screen / Esc

Journal: :International Journal of Engineering & Technology 2018

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