PIV calibration target support adjustment mechanism

A technology of adjusting mechanism and calibrating target, applied in measurement devices, instruments, speed/acceleration/impact measurement, etc., can solve problems such as increased difficulty and lack of supporting adjusting mechanism, achieves fast operation, high adjustment efficiency, and avoids displacement Effect

Inactive Publication Date: 2012-02-22
ZHEJIANG UNIV OF TECH
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0005] There is no support adjustment mechanism dedicated to PIV calibration, which

Method used

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  • PIV calibration target support adjustment mechanism
  • PIV calibration target support adjustment mechanism
  • PIV calibration target support adjustment mechanism

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Embodiment Construction

[0016] The present invention will be further described below in conjunction with the accompanying drawings.

[0017] refer to figure 1 and figure 2 , a PIV calibration target support adjustment mechanism, including a vertical support adjustment mechanism and a horizontal support adjustment mechanism, the vertical support adjustment mechanism includes a threaded adjustment rod 1, an upper support 2, a lower support 3 and a hole for installing a calibration target plate 4, the threaded adjustment rod 1 passes through the threaded hole of the lower support 3, and one end of the threaded adjustment rod 1 is fixedly connected with the upper support 2, and the upper support 2 is slidably installed On the lower support 3, the orifice plate 4 is fixedly installed on the upper support 2; the horizontal support adjustment mechanism includes a fixed chassis 6, a vertical support 7 and an adjustment plate 8 for installing a calibration target, and the vertical support 7 Fixedly install...

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Abstract

The invention provides a PIV (particle image velocimetry) calibration target support adjustment mechanism which comprises a vertical support adjustment mechanism and a horizontal support adjustment mechanism. The vertical support adjustment mechanism comprises a screw thread adjusting rod, an upper bearer, a lower bearer and an orifice plate used for installing a calibration target. The screw thread adjusting rod goes through a screwed hole of the lower bearer, one end of the screw thread adjusting rod is fixedly connected with the upper bearer, the upper bearer is slidingly installed on the lower bearer, and the orifice plate is fixedly installed on the upper bearer. The horizontal support adjustment mechanism comprises a fixed base plate, a vertical support and an adjusting plate used for installing the calibration target. The vertical support is fixedly installed on the fixed base plate and is opened with a vertical groove, and the adjusting plate is slidingly installed in the vertical groove. The PIV calibration target support adjustment mechanism has the characteristics of capability of reducing calibration difficulty, high adjusting efficiency and small space occupancy.

Description

technical field [0001] The invention relates to a calibration target support adjustment mechanism used in the calibration process of a three-dimensional particle imaging velocimeter (PIV). Background technique [0002] Traditional flow velocity measuring instruments can only measure a single point, and it is a contact measurement, which cannot measure the flow field in the entire area without disturbance. PIV technology (Particle Image Velocimetry, referred to as PIV) overcomes the limitations of single-point measurement in previous flow field tests, and is a very promising undisturbed flow field measurement technology. The particle imaging velocimeter realizes the measurement of the flow field by measuring the instantaneous velocity of the tracer particles. When using PIV technology to measure the flow velocity on a two-dimensional plane, it is necessary to evenly spread tracer particles in the measured two-dimensional plane, which have good followability, good light refle...

Claims

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Application Information

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IPC IPC(8): G01P21/02
Inventor 董志勇张文广汪洁陈圻圻杨永刚韩伟郭志萍
Owner ZHEJIANG UNIV OF TECH
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