Particle Sizing Using Particle Image Velocimetry

使用粒子图像测速法测定粒子大小

• 批准号: 9106568
• 负责人: Patrick Farrell
• 金额: $ 18.5万
• 依托单位: University of Wisconsin-Madison
• 依托单位国家: 美国
• 项目类别: Continuing Grant
• 财政年份: 1991
• 资助国家: 美国
• 起止时间: 1991-09-01 至 1995-08-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=9106568&HistoricalAwards=false
• 关键词: Particle; Sizing; Using; Image; Velocimetry

The objective of this proposal is the development of a full- field measuring technique for particle velocity and size based on particle image velocimetry methods. The resolution, accuracy and biases of the technique will be investigated. The approach will be illustrated for a transient spray. The main areas of application will be in two-phase turbulent and transient flows. A main contribution is the automation of particle size measurement, as an alternative to direct imaging. A key issue which has to be solved is the correlation between the velocity and particle size. If successful, the proposed technique will be a significant advancement for a combined full-field particle velocimetry and particle sizing measurement, with application to particles, droplets or bubbles of any shape. This is a complimentary method for the point measurements with phase Doppler velocimetry.

该提案的目标是制定一个全面的- 基于颗粒速度和粒径的现场测量技术 粒子图像测速方法。 决议， 将研究该技术的准确性和偏差。 该方法将被示出为瞬态喷雾。 的 主要应用领域是两相湍流， 瞬变流一个主要的贡献是自动化， 粒度测量，作为直接测量的替代方法 显像 必须解决的一个关键问题是 速度和颗粒尺寸之间的相关性。 如果 如果成功，这项技术将是一项重要的技术。 一种组合式全场粒子速度计的改进 和粒度测量，并应用于 任何形状的颗粒、液滴或气泡。 这是一 相位互补点测量法 多普勒测速仪。