Test experiment device for flow field in rotating reducing round tube

A technology for testing experiments and reducing tubes, which is used in measuring devices, fluid dynamics tests, and testing of machine/structural components. Difficulty, reduce the effect of light intensity loss and refraction, and solve the effect of insufficient intensity

Active Publication Date: 2016-11-09
NORTHEAST GASOLINEEUM UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing experimental devices generally have the problems of insufficient strength and difficulty in compensating the refractive index of the rotating variable-diameter circular tube when the wall surface is rotated for testing the flow field.

Method used

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  • Test experiment device for flow field in rotating reducing round tube
  • Test experiment device for flow field in rotating reducing round tube
  • Test experiment device for flow field in rotating reducing round tube

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Experimental program
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Embodiment Construction

[0022] The present invention will be further described below in conjunction with accompanying drawing:

[0023] Depend on Figure 1 to Figure 8 As shown, the experimental device for testing the flow field in the rotating variable-diameter circular tube is composed of four parts: the variable-diameter circular tube unit, the support and connection unit, the power and transmission unit, and the refractive index compensation unit;

[0024] The function of the variable-diameter circular tube unit is to rotate the fluid, and it is composed of a circular tube-shaped inlet connected to multiple sections of straight tubes or variable-diameter tubes with different diameters; wherein, from left to right are overflow pipe 3, overflow pipe Nozzle 9, tangential inlet disk 10, plexiglass reducing pipe 12, tapered pipe 15 and tail pipe 20, the overflow pipe, overflow nozzle, tangential inlet disk, plexiglass reducing pipe, tapered pipe and tail pipe The pipes are connected by flanges and bo...

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PUM

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Abstract

The invention provides a test experiment device for flow field in a rotating reducing round tube. The problems of poor strength and difficult rotating reducing round tube refractive index compensation of a flow field test organic glass reducing round tube in existing experiment devices under the condition of wall rotation are solved. The test device for flow field in the rotating reducing round tube comprises a reducing round tube unit, a supporting and connecting unit, a power and transmission unit and a refractive index compensation unit. The reducing round tube unit is composed of an overflow tube, an overflow mouth, a tangential inlet plate, the organic glass reducing tube, a cone tube and a tail tune in connection in order through flanges. The power and transmission unit comprises a motor, a transmission shaft and a transmission belt, is used for driving the rotation of the reducing round tube. The supporting and connecting unit comprises a bearing, a bearing seat, a support rail, a drive shaft support and the like, and is used for supporting the reducing round tube and the drive shaft and connecting and sealing pipelines. The refractive index compensation unit is arranged an organic glass segment of the reducing round tube to realize laser refractive index compensation.

Description

Technical field: [0001] The invention relates to an experimental device for testing the flow field in a rotating variable-diameter circular tube, which is applied in the technical field of flow field testing. Background technique: [0002] There are various rotary flow problems in the industrial field. Accurately describing the flow law of rotary flow is helpful to improve the design of fluid equipment structure, optimize operating parameters, and improve the performance and efficiency of rotary fluid equipment. The helical flow in a rotating circular pipe with variable diameter is a kind of complex rotating turbulent flow problem, which has the coupling effect of circumferential rotation and flow shear, and has two characteristics of helical flow and forced rotating flow in an axially rotating pipe, which contains The complex physical mechanism of turbulent flow has an important application background in the field of engineering technology, such as the application of moving...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01M10/00
CPCG01M10/00
Inventor 王尊策张井龙徐艳李森温后珍闫月娟
Owner NORTHEAST GASOLINEEUM UNIV
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