Applying continuity conditions of flow, sediment and chlorinity in the Delta and estuarine area of the Pearl River, joint solution of one dimensional mathematic model of flow, sediment and chlorinity transport in delta channel network area and two dimensional mathematic model of flow, sediment and chlorinity transport in estuarine area is carried out .
Based on characteristics of estuarine area of the Pearl River, one and two dimensional mathematic models of flow, sediment and chlorinity in the estuarine area of the Pearl River are established and joint calculation patterns are discussed.
Abstract By applying the updated 2-D flow sediment numerical model, the calculation of scour and deposition before and after Qingyanzi channel regulation during 156m and 175m storage periods after construction of the Three Gorges Reservoir is carried out. Referential scheme for regulation of the river reach at each storage period is put forward.
The tunnel is one of the ways to cross the Yellow River in South Water to North Project This paper has calculated and analyzed the influence of the project on the flood flow, sediment movement and river bed deformation, which is only referred to the tunnel method, using the 2Dhorizontal unsteady numerical model and in the flood process once per 10?
Moreover, through the 2\| D flow sediment mathematical model calculation for the situation of sediment depositing in the Fengdu section of the Yangtze River after 50 years since the completion of the Three Gorges Reservoir, this paper analyzed the influence of the three ports to the Fengdu Port.
Lastly, studies transportation characteristic of bed load sediment of upstream end before vegetation dam, and base on the experiment, utilizing one-dimensional flow sediment mathematical model, and simulates bed silt calculating before vegetation dam.
On the basis of the silting data of some reservoir built in China,this paper discussed the relation between river flow sediment condition,reser -voir operation type and the height of end-position of reservoir silting with reference to the normal high water level of reservoir.
Based on the previous flow sediment mathematical model, a 2 D flow sediment mathematical model was revised, re estalished and verified with actual data on the water level, flow velocity and the stream bed erosion.
Applying continuity conditions of flow, sediment and chlorinity in the Delta and estuarine area of the Pearl River, joint solution of one dimensional mathematic model of flow, sediment and chlorinity transport in delta channel network area and two dimensional mathematic model of flow, sediment and chlorinity transport in estuarine area is carried out .
On the basis of analyzing the simultaneous measurements of flow,sediment and pollutants observed at watershed outlet, a practical model was developed by standardizing the load rate, and tested with monitored data.
Gravity flow sediment is well developed in lower member of Liuzuiqiao group of lower Ordivician which lies in Dashaping section of south eastern margin of Yangtze Platform.
Based on the self vibration principle, the paper has made some interpretation of local gravity flow sediment, and some analysis of parameters such as constant K of sediment migration, rate η of sediment input,maximum slope angle α max and minimum slope angle α min of sediment slope.
Based on Jigang's 1#1750m3 blast furnace design,by adding one single equipment,forming the working regime of two-orpration and one standby,putting up one large horizontal flow sediment tank in the design of the slag disposal system for Jigang's 2# 1750m3 blast furnace and optimizing the pipeline system,all problems existed in the 1# blast furnace are resolved and the system run all right.
This will help close the gap between fluvial and aeolian research on fluid flow-sediment transport dynamics.
例句来源
Phase analysis at different elevations above the bed lends credibility to the flow-sediment transport coupling in the model.
例句来源
This paper introduces the experience of solving the sediment problems of the reservoir region of Gezhouba Project. by combining use of mathematical model and physical model, that is, by using one-dimensional mathematical model to predict the sedimentation process and equilibrium condition of silta-tion in the whole reservoir, and, by using physical model to study the three-dimensional flow sediment problems of navigable channel at changeable back-water areas.
On the basis of the silting data of some reservoir built in China,this paper discussed the relation between river flow sediment condition,reser -voir operation type and the height of end-position of reservoir silting with reference to the normal high water level of reservoir. This paper also deals with the mechanism of the final relative height at the end position of reservoir silting in the case of the identical conditions in river flow-sedi ment and reservoir operation type and the diffe...
Based on discussions about the forming conditions, features of debris flow sediment bodies, their affectation and destruction to coal beds, the authors, in this paper, point out the diagnostic criteria of debris flow sediment bodies in order to prevent confusing and misjudging among debris flow sediment bodies, fluvial channel sediment bodies,faults, etc.Further-more, the authors proPos the methods to deal with debris flow sediment bodies and mathers nee...
flow sediment
水流泥沙
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