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Inlet reducing type inflow device and application thereof

A technology of shrinking and stabilizing plates, applied in the field of fluid mechanics, can solve the problems of unsatisfactory effect of eliminating the influence of the length of the initial section, increase the cost of model making, etc., and achieve the effects of eliminating the influence of water flow, easy operation and wide application range

Pending Publication Date: 2020-12-25
LANZHOU JIAOTONG UNIV
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  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In order to eliminate the influence of the length of the initial section, the cost of model making will inevitably be increased, and various weir types are used, but the effect of eliminating the influence of the length of the initial section is still not ideal

Method used

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  • Inlet reducing type inflow device and application thereof
  • Inlet reducing type inflow device and application thereof
  • Inlet reducing type inflow device and application thereof

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Embodiment Construction

[0022] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. The specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0023] Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0024] see figure 1 , an inlet tapered inflow device, including a box body 3, the lower part of the box body 3 is provided with a water injection port 1, and a steady flow plate 2 is installed in the box above the water injection port 1, and the cross section of the steady flow plate 2 and the box body 3 The size is equivalent, ...

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Abstract

The invention provides an inlet reducing type inflow device which comprises a box body. A water injection port is formed in the lower portion of the box body, a flow stabilizing plate is installed inthe box body above the water injection port, a reverse arc section is installed on the upper portion of one side face of the box body 3 above the flow stabilizing plate, the rear end of the reverse arc section is connected with a telescopic folding supporting section, and the rear end of the telescopic folding supporting section is connected with a model section. According to different water depths, the radian of the reverse arc section is adjusted, stable transition of liquid flowing is achieved, inlet resistance is minimum, the influence of inlet local resistance on water flow is eliminatedto the maximum extent, and the application range is wide.

Description

technical field [0001] The invention belongs to the technical field of fluid mechanics and relates to an open channel hydraulic experiment device, in particular to an inlet tapered inflow device, which can be applied to experimental research involving liquid flow in transportation, navigation, aviation, civil engineering and water conservancy, environmental ecology and the like. Background technique [0002] In fluid mechanics experiments, the inlet type has a great influence on the formation of the water flow pattern, and a better inlet type can greatly shorten the length of the initial section (the distance from the inlet flow rate close to uniform to the maximum flow rate), thereby saving model production costs and reducing Occupy land. With the development of experimental fluid mechanics, high-precision measurement technology is widely used, and the processing accuracy of experimental models is more accurate. In model experiments, the influence of inlet type on flow cha...

Claims

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Application Information

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IPC IPC(8): G09B23/12
CPCG09B23/12
Inventor 孙三祥王文孙逍文武雪李海峰
Owner LANZHOU JIAOTONG UNIV
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