CAREER: The Effect of Clean and Contaminated Free Surfaces on Turbulence and Gas Transfer at an Air-Water Interface: An Integrated Research and Educational Program

职业：清洁和受污染的自由表面对空气-水界面湍流和气体传输的影响：综合研究和教育计划

• 批准号: 0093794
• 负责人: Edwin Cowen
• 金额: $ 37.5万
• 依托单位: Cornell University
• 依托单位国家: 美国
• 项目类别: Continuing Grant
• 财政年份: 2001
• 资助国家: 美国
• 起止时间: 2001-07-01 至 2006-09-30
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=0093794&HistoricalAwards=false
• 关键词: CAREER; Effect; Clean; Contaminated; Free

AbstractCTS-0093794E. Cowen, Cornell UniversityThe PI proposes an integrated research and educational program to examine the effect of air-water interface contamination on turbulence and gas transfer. Gas exchange processes across interfaces are fundamental to environmental, biological, and industrial fluid mechanics. Experiments will be conducted in a water tank with grid generated turbulence with and without surfactants. Velocity and CO2 concentration will be measured by digital particle tracking velocimetry (DPTV) and Laser Induced Fluorescence (LIF) techniques to obtain the vortical transport of fluid and flux of CO2 at the interface. The ultimate goal is to use the experimental data to develop an analytical model for gas transfer at the interface.

摘要CTS-0093794E。康奈尔大学考恩项目负责人提出了一项综合研究和教育计划，以研究空气-水界面污染对湍流和气体传输的影响。 跨界面的气体交换过程是环境、生物和工业流体力学的基础。 实验将在一个水箱中进行，该水箱具有网格产生的湍流，有或没有表面活性剂。 通过数字粒子跟踪测速（DPTV）和激光诱导荧光（LIF）技术测量速度和CO2浓度，以获得界面处流体的涡流传输和CO2通量。 最终目标是利用实验数据开发界面气体传输的分析模型。