Device and method used for river and lake relation experimental research and suitable for river and lake intersection water system

A technology of rivers, lakes and relationships, which is applied in the field of indoor model test devices for measuring the dynamic changes of rivers and lakes in rivers and lakes. It can solve the problems of accurate measurement obstacles, difficult quantitative determination of complex water bodies

Active Publication Date: 2014-04-23
HOHAI UNIV +1
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  • Abstract
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Problems solved by technology

However, there are obstacles to accurate measurement of the micro-scale model method in practical application. Generally, it is only possible to carry out qualitative similar simulation research on local water bodies (such as straight,

Method used

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  • Device and method used for river and lake relation experimental research and suitable for river and lake intersection water system
  • Device and method used for river and lake relation experimental research and suitable for river and lake intersection water system
  • Device and method used for river and lake relation experimental research and suitable for river and lake intersection water system

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Embodiment

[0052] A micro-scale physical model is used to test a certain river-lake confluence area. The horizontal scale of the micro-scale river engineering physical model is 20000, the vertical scale is 1000, and the area is 2.5m×1.5m. image 3 The test device shown includes a river-lake model module, a model adjustment module, and a river-lake relationship measurement module. Sand separator 5; the model adjustment module includes lifting motor 6, micro air pump 7, roughness bottom pad 8, vent hole 9, screw stirring pump 10, the river and lake relationship measurement module includes water level gauge 11, digital fluxmeter 12, digital Gaussian Meter 13 and surface magnetic distribution measuring instrument 14.

[0053] The channel micro-scale model 2 and the lake micro-scale model 3 are scaled according to the actual terrain data according to the geometric scale. They are made of polystyrene and connected by the lake mouth gate 4. The vertical lifting method completes the opening and...

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Abstract

The invention belongs to the field of hydraulic engineering simulation tests and particularly relates to a device and method used for river and lake relation experimental research and suitable for a river and lake intersection water system. The device used for river and lake relation experimental research and suitable for the river and lake intersection water system comprises a micro-scale river and lake model module, a model adjusting module and a river and lake relation measurement module. The device is specifically composed of a water and sand input port, a river channel micro-scale model, a lake micro-scale model, a lake opening gate, an electromagnetic water and sand separator, a lifting motor, a micro air pump, a roughness factor base pad, a ventilation hole, a spiral stirring pump, a water level gauge, a digital fluxmeter, a digital gauss meter and a surface magnetic distribution measuring instrument. According to the model test device, the invention further provides a method used for river and lake relation experimental research and suitable for the river and lake intersection water system. The method is suitable for an oversized dimension river and lake intersection water system prototype, quantitative physical analog simulation and river and lake relation space and time change measurement under the conditions of micro-scale three-dimensional space conditions.

Description

technical field [0001] The invention belongs to the field of water conservancy engineering simulation tests, and in particular relates to an indoor model test device and method for measuring the dynamic change of the relationship between rivers and lakes in a confluence of rivers and lakes. Background technique [0002] When rivers and lakes meet and connect, a river and lake confluence water system is formed. In the field of hydraulic engineering and geographical science, the relationship between rivers and lakes is used to refer to the material, energy and information exchange relationship between rivers and lakes connected to them and the changes in system structure and functions caused by them. Under the influence of the incoming water from the upper reaches of the river and the flow of the tributaries of the lake basin into the lake, the relationship between the river and the lake will undergo corresponding dynamic changes. The converging rivers and lakes coexist and p...

Claims

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Application Information

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IPC IPC(8): E02B1/02
Inventor 戴会超龚轶青毛劲乔戴凌全张培培
Owner HOHAI UNIV
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