Horizontal Vibration Sediment Settlement Test Device
A test device and vibration-type technology, which is applied in fluid dynamics tests, measuring devices, flow characteristics, etc., can solve problems such as increasing particle sinking velocity and test result errors
Inactive Publication Date: 2017-10-20
CHONGQING JIAOTONG UNIVERSITY
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However, while the vertical vibration produces turbulence in the water body, it also exerts an additional additional inertial force on the sediment particles. When the grid moves downward to generate downward turbulence in the water body, the additional inertial force will increase. The sedimentation velocity of the particles, when the grid vibrates upwards, reduces the sedimentation velocity of the particles, that is, the sedimentation of the particles is affected by the additional inertial force of the vertical vibration, resulting in large errors in the test results
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[0022] In order to make the purpose, technical solutions and advantages of the present invention clearer, the following technical solutions in the present invention are clearly and completely described. Obviously, the described embodiments are some embodiments of the present invention, rather than all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
[0023] figure 1 It is the front view of the horizontal vibration type sediment settlement test device of the present invention; as figure 1 As shown, the horizontal vibration type sediment settlement test device provided by the present invention includes a settling cylinder 1 for holding the sand-carrying water body and observing the sedimentation process of the sediment particles. The power system for the required power. The outer side of the settling tube 1 is...
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Abstract
The invention provides a horizontal vibration type sediment settlement test device, which includes a settling cylinder for holding a sand-carrying water body and observing the sedimentation process of sediment particles. The power system, the outer side of the settling tube is vertically set on the side wall, and the transmission system is used to convert the rotary motion provided by the power system into a horizontal back-and-forth linear motion. There are several vertical and parallel vibration grids inside the settling tube. The transmission system It is fixedly connected with the vibrating grid, and the vibrating grid is driven by the transmission system to move horizontally back and forth in a straight line. The horizontal vibration type sediment settlement test device provided by the present invention only produces turbulence of the water body and does not produce additional additional inertial force in the direction of particle settlement. The influence of the sedimentation velocity is isolated, that is, the device can accurately simulate the sedimentation movement law of the sediment particles in the real turbulent water body.
Description
technical field [0001] The invention relates to the technical field of water conservancy measurement, in particular to a horizontal vibration type sedimentation test device for measuring the sedimentation velocity of sediment particles in a turbulent water body. Background technique [0002] Because the proportion of sediment is greater than that of water, the sediment in the water body will settle down under the action of gravity, and the sedimentation in still water is the simplest example. The sedimentation velocity of sediment particles is the basis for studying sediment problems, such as sediment transport in rivers, sediment deposition in reservoirs or ports, etc., all of which need to accurately calculate the sedimentation velocity of sediment particles. The water flow form in natural conditions and practical engineering applications is almost turbulent flow, and the settlement movement of real sediment particles always occurs in turbulent water bodies. In the resear...
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IPC IPC(8): G01M10/00G01N11/10G09B23/12
Inventor 李文杰陈启刚杨胜发张鹏王兴奎曹庆万
Owner CHONGQING JIAOTONG UNIVERSITY