Depth-Averaged Velocity Distribution in a Meandering Compound Channel Using Calibrating Coefficients

2021 ◽  
pp. 229-239
Author(s):  
Anurag Handique ◽  
Arpan Pradhan ◽  
C. Sarat Chandra ◽  
Kishanjit Kumar Khatua
Keyword(s):  
Velocity Distribution ◽  
Compound Channel

scholarly journals Study on the Horizontal Distribution Law of Flood Water and Sediment Factors under the Effect of Vegetation on a Curved Beach

Water ◽  
2021 ◽  
Vol 13 (11) ◽  
pp. 1441
Author(s):  
Mingwu Zhang ◽  
Pan Li ◽  
Xiaoping Li ◽  
Aoxue Wang ◽  
Zhenhai Wang ◽  
...  
Keyword(s):  
Velocity Distribution ◽  
Model Test ◽  
Main Channel ◽  
Theoretical Research ◽  
Distribution Model ◽  
Main Stream ◽  
Compound Channel ◽  
Transverse Distribution ◽  
Water And Sediment ◽  
Beach Vegetation

The sediment-laden floodplain flood is affected by beach vegetation and the shape of curved compound channels. The laws of water and sediment exchange and deposition distribution in beach troughs are very complex and play a significant role in the formation and development of secondary suspended rivers, the adjustment of beach horizontal gradients, and even the evolution of flood control situations. This study used a combination of experimental simulations and theoretical research to carry out a generalized model test of floodplain flood evolution, analyzing the transverse distribution characteristics of sediment-laden flow and sediment factors in a curved compound channel under the conditions of beach vegetation, proposing a theoretical model of transverse distribution of velocity and sediment concentration that is based on the momentum equation considering the inertial force of the lateral secondary flow and river curvature. The results showed the following: (1) The model test results for floodplain flood in the compound channel with curved vegetation showed that the main stream was not only concentrated in the main channel but also appeared near the foot of the left and right bank levees and formed flood discharge along the embankment, as the beach siltation was mainly concentrated in the beach lip; (2) The arrangement of full vegetation on the beach had a uniform effect on the velocity distribution of the beach, which can reduce the phenomenon of excessive velocity at the foot of the beach and increase the velocity effect in the main channel; and (3) Through five numerical examples, the lateral velocity distribution model of a curved compound channel with beach vegetation was tested and, in general, the analysis model was consistent with the experimental results. The research results will provide a theoretical basis for river management and have great significance for enriching the basic theory of water and sediment movement and promoting the integration of hydraulics, river dynamics, and ecology.

scholarly journals Effects of Floodplain Vegetation on Flow Resistance and Velocity Distribution in Compound Channel

2012 ◽  
Vol 68 (2) ◽  
pp. I_573-I_581
Author(s):  
Fumiaki HASEGAWA ◽  
Yoshihisa KAWAHARA ◽  
Fatima JAHRA ◽  
Takuya YAMAMOTO
Keyword(s):  
Velocity Distribution ◽  
Flow Resistance ◽  
Compound Channel ◽  
Floodplain Vegetation

Dynamics of comets in the collapsing protosolar nebula

1999 ◽  
Vol 173 ◽  
pp. 45-50
Author(s):  
L. Neslušan
Keyword(s):  
Solar System ◽  
Velocity Distribution ◽  
Oort Cloud ◽  
Interstellar Clouds ◽  
Protosolar Nebula ◽  
Moving Bodies

AbstractComets are created in the cool, dense regions of interstellar clouds. These macroscopic bodies take place in the collapse of protostar cloud as mechanically moving bodies in contrast to the gas and miscroscopic dust holding the laws of hydrodynamics. In the presented contribution, there is given an evidence concerning the Solar system comets: if the velocity distribution of comets before the collapse was similar to that in the Oort cloud at the present, then the comets remained at large cloud-centric distances. Hence, the comets in the solar Oort cloud represent a relict of the nebular stage of the Solar system.

VELOCITY DISTRIBUTION EFFECTS IN AIR FILTER TESTING

2001 ◽  
Vol 19 (1) ◽  
pp. 1-21 ◽  
Author(s):  
FRANK CHAMBERS ◽  
ABDEL AL-SARKHI ◽  
SHENGHONG YAO
Keyword(s):  
Velocity Distribution ◽  
Air Filter

Analysis of Electron and Heavy Particle Velocity Distribution under Consideration of Non-thermal Equilibrium Arc

2019 ◽  
Vol 139 (9) ◽  
pp. 562-567
Author(s):  
Yusuke Nemoto ◽  
Soshi Iwata ◽  
Yoshifumi Maeda ◽  
Toru Iwao
Keyword(s):  
Velocity Distribution ◽  
Particle Velocity ◽  
Thermal Equilibrium ◽  
Heavy Particle

Interconnectivity of Bioceramic Scaffolds with Different Porous Structures and Their Fluid Velocity Distribution Analyzed by Micro-CT Computer Modeling

2015 ◽  
Vol 30 (1) ◽  
pp. 71 ◽  
Author(s):  
LUO Pin-Feng ◽  
ZHI Wei ◽  
ZHANG Jing-Wei ◽  
SHI Feng ◽  
DUAN Ke ◽  
...  
Keyword(s):  
Velocity Distribution ◽  
Computer Modeling ◽  
Fluid Velocity ◽  
Porous Structures ◽  
Micro Ct
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