Improvement of water conservancy model with rough body

A model and water conservancy technology, applied in hydraulic models and other directions, can solve the problems of inaccurate simulation of natural river channels, difficult positioning of rough bodies, poor stability, etc., to reduce the interference of test water flow, reduce laminar flow damage and stability Enhanced effect

Active Publication Date: 2019-10-15
HOHAI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is to provide a water conservancy model improved roughened body, which solves the problems that the roughened body is difficult to locate well, has poor stability and cannot accurately simulate natural rivers

Method used

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  • Improvement of water conservancy model with rough body

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Experimental program
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Embodiment Construction

[0018] This application involves the following technical features: inner core 1 , fin plate 2 , flow-through column 3 , force plate 4 , and force column 5 .

[0019] figure 1 The water conservancy model shown is an improved and roughened body, including inner core, fin plate, flow column, force plate, and force column. Several fin plates are uniformly arranged on the outside of the inner core, and the lower end of the inner core is connected to the flow column, and the flow column The lower end is connected to the force column, and the connection between the flow column and the force column is covered with a force plate.

[0020] The inner core, the fin plate, the passage column, the force plate and the force column are integrally formed.

[0021] The fins are rounded fins.

[0022] The fins are arranged vertically and the height of the fins is equal to the height of the inner core.

[0023] The number of fins is 6 or 8.

[0024] The stress plate is circular.

[0025] Sin...

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Abstract

The invention relates to a water conservancy model improvement roughness improving body. The water conservancy model improvement roughness improving body comprises an inner core, wing plates, an overflowing column, a stressed plate and a stressed column. The multiple wing plates are arranged on the outer side of the inner core evenly. The lower end of the inner core is connected with the overflowing column. The lower end of the overflowing column is connected with the stressed column. The joint of the overflowing column and the stressed column is sleeved with the stressed plate. Through the water conservancy model improvement roughness improving body, the problems that a roughness improving body cannot be located very easily, stability is poor, and a natural river course cannot be simulated accurately are solved.

Description

technical field [0001] The invention relates to an improved roughened body of a water conservancy model, which belongs to the technical field of water conservancy model tests. Background technique [0002] Roughening is one of the key technologies in water conservancy model tests. Most hydraulic models require roughening to meet the similar resistance of hydraulic models. Therefore, the effect of model roughening is directly related to the effect and accuracy of hydraulic model simulation. [0003] The roughening bodies often used in water conservancy models include pebbles, gravel, concrete cubes, slabs, and cross slabs. From a macro perspective, they are suitable for tank tests and have a certain roughening effect. Relatively lacking, the flow around the roughened body is the most important microscopic process for the formation of macroscopic resistance. The study of the flow around the roughened body is very important for understanding the microscopic mechanism of the rou...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E02B1/02
Inventor 宋为威逢勇张鹏罗缙解学慧宋达昊傅星乾
Owner HOHAI UNIV
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