PIV系统CCD相机位移调整机构的设计

摘要

In order to have a higher reliability,accuracy and stability in flow field test for 2D Particle Image Velocimetry (PIV) system,the CCD camera displacement adjusting mechanism was designed,according to the PIV system requirements and the function of flow field test working environment,then the structural design thought,composition,and capable functions achieved and its charac-teristics were expounded.Through the use of the mechanism for the flow field test,the result shows that using of the CCD camera dis-placement adjusting mechanism,can very well satisfy the job needs of PIV system in flow field test,while makes the whole system more simple,stable and efficient,and further makes flow field test results more reliable and accurate.%为使PIV （Particle Image Velocimetry）系统在流场测试中具有更高的可靠性、准确性和稳定性，根据PIV流场试验对CCD相机安装要求和工作环境的需求，设计了CCD相机位移调整机构，并阐述了该机构的设计思路、组成、能实现的功能及其特点。通过使用该机构进行流场试验，结果表明：采用该CCD相机位移调整机构，能很好地满足PIV系统在流场测试试验中的工作需要，使整个系统更加简单、稳定、高效，进而使流场测试结果更加可靠、准确。