Results 251 to 260 of about 371,729 (309)

Suspended load and bed load in irrigation furrows

CATENA, 2005
Abstract The circulation of water in irrigation furrows is a well-understood physical process. However, theoretical understanding of sediment dynamics is less well established. This study assesses an approach to determine the sediment load in irrigation furrows, involving the use of a suction device for sampling water with suspended sediments at ...
Luciano Mateos, Juan V. Giráldez
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Influence of Bed Load and Suspended Load on Alternate Bar

PROCEEDINGS OF HYDRAULIC ENGINEERING, 1992
Hydraulic condition for alternate-bar formation in open channel flows with suspended sediment are determined by stability, analysis. It is shown that the condition for alternate bar formation in the flow with suspended sediment is much different from in the flow without suspended sediment.
Y. Watanabe, Tubino, Marco
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Bed‐Load and Suspended‐Load Transport of Nonuniform Sediments

Journal of Hydraulic Engineering, 1991
Methods are available for the computation of the bed-load and suspended-load transport rates of uniform sediments. However, limited studies exist for nonuniform sediments. These studies, in general, lack simplicity, and often make use of various correction factors to be read from a series of tables and graphs.
Prabhata K. Swamee, Chandra Shekhar P. Ojha   +1 more
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Cooperative quadrotors carrying a suspended load

2016 International Conference on Unmanned Aircraft Systems (ICUAS), 2016
This work proposes the representation of the high level dynamic modelling of a formation of two quadrotor UAVs cooperatively carrying a suspended load. The two quadrotors are attached to the load by massless and stretchable cables, which can slack and taut during the task accomplishment.
Igor Henrique Beloti Pizetta, Alexandre Santos Brandao, Mario Sarcinelli-Filho   +2 more
openaire   +1 more source

Modeling Mixed Sediment Suspended Load Profiles

Journal of Hydraulic Engineering, 1989
Potential errors in calculated vertical suspended sediment concentration profiles in river flows carrying mixed sediments are investigated. These profiles are usually obtained through application of a standard ‘diffusion‐dispersion’ model; however, such models are normally formulated on the basis of a unique grain size for the sediment. Accordingly, in
Brian Morse, Ronald D. Townsend
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Depth‐Integrated Suspended‐Load Calculations

Journal of Hydraulic Engineering, 1991
The net transport of sediment by suspension is calculated by integrating the product of the sediment concentration and velocity over the water depth.
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Suspended Load Transport of Bio-sediment

2020
The previous chapter introduced the bedload transport of bio-sediment, i.e. bio-sediment transported near the bed layer. Under certain flow conditions, bio-sediment will become suspended into the overlying water layer and be transported as suspended load.
Hongwei Fang, Lei Huang, Huiming Zhao, Wei Cheng, Yishan Chen, Mehdi Fazeli, Qianqian Shang   +6 more
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Suspended Load Transport of Sediment Mixtures

Journal of Hydraulic Engineering, 1986
Careful experiments were conducted on alluvial beds of four sediment mixtures having different arithmetic mean diameters and standard deviations. The suspended load transport rates of individual fractions were measured and compared with both Einstein's and Holtroff's methods of calculation of suspended load for individual fractions.
Belle R. Samaga, Kittur G. Ranga Raju, Ramchandra J. Garde   +2 more
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Suspended-Load Transport

2014
The mode of sediment transport where the sediment particles are surrounded by the fluid over an appreciably long period of time is known as suspended-load transport. This chapter introduces basic concepts of sediment suspension and formulations to predict the suspended-load transport rate.
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Frequency distribution for suspended sediment loads

Water Resources Research, 1989
A method is described for deriving a frequency distribution for suspended sediment loads. The method uses a curvilinear regression relation between the logarithm of annual flood peaks and the logarithm of suspended sediment loads associated with that flood peak.
R. S. Parker, Brent M. Troutman
openaire   +1 more source