A Laser Probe for the Dynamic Measurement of Vorticity

用于涡度动态测量的激光探头

• 批准号: 0002658
• 负责人: M. Volkan Otugen
• 金额: $ 26.62万
• 依托单位: Polytechnic University of New York
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 2000
• 资助国家: 美国
• 起止时间: 2000-11-01 至 2004-10-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=0002658&HistoricalAwards=false
• 关键词: Laser; Probe; Dynamic; Measurement; Vorticity

AbstractCTS-0002658V. Otugen, Polytechnic University of NYDr. Otugen proposes to extend the technique of measuring velocity gradients that he developed earlier to develop a probe, which can measure one component of the vorticity directly. The technique is laser based and non-intrusive. It is proposed that by mixing scattered light from two closely spaced volumes, the desired velocity gradients can be determined to obtain the vorticity component. Once the probe is developed, it will be applied to study the effect of streamline curvature on an equilibrium turbulent boundary layer.

摘要CTS-0002658 V。Otugen，纽约理工大学博士。Otugen建议扩展他早期开发的测量速度梯度的技术，开发一种探针，可以直接测量涡度的一个分量。 该技术是基于激光和非侵入性的。 有人建议，通过混合散射光从两个紧密间隔的体积，所需的速度梯度可以被确定，以获得涡分量。 一旦探针研制成功，它将被应用于研究流线曲率对平衡湍流边界层的影响。