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Installation platform for sheet light source emitter in small wind tunnel PIV measurement system and using method of installation platform

A launcher and installation platform technology, which is applied to the installation platform of the chip light source launcher in the small-scale wind tunnel PIV measurement system and its application field, can solve the problems of unfavorable measurement, affecting the measurement cycle, time-consuming and labor-intensive, etc., and expand the scope , reduce the error, and expand the effect of the test range

Active Publication Date: 2018-11-27
ZHEJIANG UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, every time the measurement plane is changed, it is necessary to manually adjust the position of the laser transmitter and the camera and arrange the corresponding installation structure. The whole process is time-consuming and laborious, which affects the entire measurement cycle and is not conducive to the measurement.

Method used

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  • Installation platform for sheet light source emitter in small wind tunnel PIV measurement system and using method of installation platform
  • Installation platform for sheet light source emitter in small wind tunnel PIV measurement system and using method of installation platform
  • Installation platform for sheet light source emitter in small wind tunnel PIV measurement system and using method of installation platform

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Experimental program
Comparison scheme
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Embodiment Construction

[0033] like figure 1 , 2 , 3, 4, 5, and 6, the installation platform of the entire laser sheet light source emission device includes a bottom installation platform, two sets of screw movement systems and their accessories, two sets of telescopic bending support systems, and a set of hollow rotation installation systems. A set of developing paper layout platform:

[0034] Two sets of screw motion systems, each including auxiliary guide rail 3, screw rod 4, and the corresponding motion motor 2 are fixed and arranged on the bottom installation platform 1 in a symmetrical manner, and a motor synchronization is connected between the two sets of motion motors 2. device 6, an infrared detection device 5 is installed on the side of the screw mandrel 4;

[0035] The telescopic curved support system is composed of a telescopic support rod 7, a curved support rod 9 and a reinforced telescopic rod 10. Among them, the telescopic support rod 7 is located at the bottom of the system. It i...

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Abstract

The invention discloses an installation platform for a sheet light source emitter in a small wind tunnel PIV measurement system and a using method of the installation platform. The installation platform comprises a bottom installation platform, a leading screw motion system, a telescopic bending type support system and a hollow rotating installation system; the laser sheet light source emitter isfixedly mounted on a hollow rotation platform, and moves in a 3D space via the hollow rotation platform, the telescopic bending type support system and the bottom leading screw motion system. Thus, the laser sheet light source emitter is fixedly mounted, rotates and moves during a PIV experiment so that the sheet light source is arranged at any angle vertical to the bottom surface and two side surfaces of a wind tunnel, a developing paper arrangement platform is arranged to obtain an optimal irradiation distance of the sheet light source in a to-be-measured object, and thus, flow field data indifferent measurement planes can be collected accurately during small wind tunnel PIV test. The device can be suitable for PIV measurement experiments with different measurement plane requirements.

Description

technical field [0001] The invention discloses an installation platform for a sheet light source emitting device in a small-scale wind tunnel PIV measurement system and a use method thereof. Especially for the recording of tracer particle movement on different planes to be measured. Background technique [0002] PIV (Particle Image Velocimetry) is a transient, multi-point, non-contact hydrodynamic velocity measurement method. By emitting a laser light source to a specific plane in the flow field, the irradiation shows the tracer particles in the flow field. , and use the camera to record the velocity distribution information of the flow at the same transient moment, and provide a wealth of flow field space structure and flow characteristics. In order to reduce the interference of the instrument to the internal flow field and ensure that the camera can fully record the air flow at each position of the light source plane, the laser light source emitting device and the camera ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01M9/00
CPCG01M9/00
Inventor 宋小文戚昱宸张鸣晓周城皓
Owner ZHEJIANG UNIV
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