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Method for predicting bed load sediment transport rate of riverway with vegetation communities

A vegetation community and prediction method technology, applied in the hydraulic model and other fields

Active Publication Date: 2019-07-12
SICHUAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there is currently no computational model at home and abroad that can predict the sediment transport rate of rivers with vegetation communities

Method used

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  • Method for predicting bed load sediment transport rate of riverway with vegetation communities
  • Method for predicting bed load sediment transport rate of riverway with vegetation communities
  • Method for predicting bed load sediment transport rate of riverway with vegetation communities

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0046] In this embodiment, the method for predicting the transport mass and sediment transport rate proposed by the present invention is described in detail through a flume simulation experiment.

[0047] 1. Purpose of the test

[0048] The results of the flume test were used to test the accuracy and effectiveness of the method for predicting the flow rate of sediment transport in rivers with vegetation communities.

[0049] 2. Test equipment

[0050] The main equipment is shown in Table 1.

[0051] Table 1. Instruments and equipment for the experiment on the sediment transport rate of rivers with vegetation communities

[0052]

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Abstract

The invention discloses a method for predicting the bed load sediment transport rate of a riveray with vegetation communities. According to the average flow rate of a vegetation region and the averageflow rate of a region without vegetation, the total turbulence intensity of the cross section of the riverway with unit width can be determined, and then the bed load sediment transport rate of the riverway with unit width can be determined according to the total turbulence intensity of the cross section of the riveray with unit width, so that the bed load sediment transport rate of the riverwaywith the vegetation communities can be accurately and effectively predicted, and the blank of the technology in the field is filled.

Description

technical field [0001] The invention belongs to the field of hydraulics and river dynamics, and relates to a technology for predicting the rate of sediment transport in rivers, in particular to a method for predicting the rate of sediment transport in rivers with vegetation communities. Background technique [0002] A large amount of vegetation grows in natural wetlands and rivers. These vegetation are scattered in different areas of the river, and the vegetation in each area gathers together to grow in clusters. Vegetation that grows together in a small area is called a vegetation community. Vegetation communities usually grow independently, that is, multiple vegetation communities can exist in the river channel at the same time, and they are not related and connected to each other, which is formed due to the influence of vegetation communities on the local water flow structure in the channel. When the vegetation community grows in the river channel, the water flow deflect...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02B1/02
CPCE02B1/02
Inventor 刘超单钰淇
Owner SICHUAN UNIV