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Riverbed bed load vertical section separating model test device and use method thereof

A model test device and vertical section technology, applied in the field of basic research on river dynamics and mass movement, to achieve the effect of easy implementation and simple operation

Active Publication Date: 2016-08-10
HOHAI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Purpose of the invention: In order to overcome the deficiencies in the prior art, the present invention provides a model test device for sorting the vertical section of the bed moving mass and its use method, which solves the problem of the separation of the vertical section of the moving mass in the conventional indoor long water tank. Due to the limitation of the length of the indoor tank, it is impossible to perform long-term scale mass motion simulation

Method used

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  • Riverbed bed load vertical section separating model test device and use method thereof
  • Riverbed bed load vertical section separating model test device and use method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] Example 1: Experimental Research on the Sorting Law of Moving Mass under Different Riverbed Slopes

[0032] Based on the shape and size of the built-in water tank 2 and the conveyor belt 15, combined with the actual scale of the moving mass, two kinds of transparent glass balls 3 particle size specifications are selected, the diameters of the transparent glass balls 3 are 1.5mm and 4mm respectively, and the transparent glass balls are prefabricated 3. The external water tank 1 is prefabricated, and the external water tank 1 is a cuboid whose material is transparent toughened glass with a lower seal and an upper opening, with a width of 35 cm, a length of 150 cm, a height of 80 cm, and a wall thickness of 1.5 cm. Prefabricated built-in water tank 2, its material is transparent toughened glass, and its width is 15cm, and length is 100cm, and height is 30cm, and wall thickness is the cuboid of the top opening of 1cm. The long support 10 and the short support 7 of the pref...

Embodiment 2

[0036] Example 2: Experimental research on the time-scale sorting law of river bed mass flow

[0037] Based on the shape and size of the built-in water tank 2 and the conveyor belt 15, combined with the actual scale of the moving mass, two kinds of transparent glass balls 3 particle size specifications are selected, the diameters of the transparent glass balls 3 are 1mm and 5mm respectively, and the transparent glass balls 3 are prefabricated . Prefabricated external water tank 1, external water tank 1 material is the bottom seal of transparent plexiglass or transparent tempered glass (this embodiment is transparent tempered glass), the cuboid of top opening, width is 45cm, length is 200cm, height is 100cm, wall The thickness is 2cm. The prefabricated built-in tank 2 is made of transparent toughened glass, a cuboid with a width of 25cm, a length of 150cm, a height of 35cm, and a wall thickness of 1cm. The prefabricated aluminum cylindrical conveyor belt has a long support 10...

Embodiment 3

[0039] Example 3: Model test research on mass separation in mountain torrents

[0040] Based on the shape and size of the built-in water tank 2 and the conveyor belt 15, combined with the actual scale of the moving mass, two kinds of transparent glass balls 3 particle size specifications are selected, the diameters of the transparent glass balls 3 are 1.5mm and 4mm respectively, and the transparent glass balls are prefabricated 3. The external water tank 1 is prefabricated, and the external water tank 1 is a cuboid whose material is transparent toughened glass with a lower seal and an upper opening, with a width of 35 cm, a length of 150 cm, a height of 80 cm, and a wall thickness of 1.5 cm. The prefabricated built-in water tank 2 is made of transparent toughened glass, a cuboid with a width of 15cm, a length of 100cm, a height of 30cm, and a wall thickness of 1cm. The prefabricated aluminum cylindrical conveyor belt long support 10 and short support 7 have a cross-sectional ...

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Abstract

The invention discloses a riverbed bed load vertical section separating model test device and a use method thereof. The device comprises an external cuboid water tank whose top is provided with an opening; the external water tank is provided with an internal water tank therein; the bottom of the external water tank is provided with a long support and a short support; the upper side of the long support and the short support is provided with a conveyer belt; the internal water tank is placed on the conveyor belt; the internal cuboid water tank is provided with multiple transparent glass marbles with 2 to 3 kinds of different particle sizes therein; the top of the external water tank is provided with a water inlet, and the bottom is provided with a water outlet; the top of the internal water tank is provided with an internal water tank water inlet which passes through the external water tank sidewall; one side surface of the external water tank is provided with a laser and a reflector, and the other side surface is provided with an automatic digital camera which can regularly photograph the laser scanning surface at certain frequency. By means of the device and the method, the problem of failure in long time scale bed load motion simulation due to length limitation of indoor water tank in common indoor long water tank bed load vertical section separating test devices.

Description

technical field [0001] The invention belongs to the field of basic research on river dynamics and movement of moving matter, and in particular relates to a model test device for sorting a vertical section of moving matter on a river bed and a method for using the same. It is mainly applicable to technical fields such as particle separation tests of river moving mass, and can be extended to other research fields of particle separation of solid-liquid two-phase flow. Background technique [0002] In the field of river dynamics research, the vertical distribution characteristics of riverbed sections are the important basis and core elements of river sediment movement theory, riverbed morphology research, and river engineering construction design. The model test of vertical separation of bed mass is one of the most effective and important means to understand and master the characteristics of the vertical section of the river bed in the river channel; the current conventional tes...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01M10/00
CPCG01M10/00
Inventor 孟珍珠孔纲强李春红孙学谨
Owner HOHAI UNIV
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