Observing hydrocarbon particles and multiphase flows in submarine seeps - an integrated imaging system

观测海底渗漏中的碳氢化合物颗粒和多相流 - 集成成像系统

• 批准号: 2121664
• 负责人: Binbin Wang
• 金额: $ 51.25万
• 依托单位: University of Missouri-Columbia
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 2022
• 资助国家: 美国
• 起止时间: 2022-09-01 至 2025-08-31
• 项目状态: 未结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=2121664&HistoricalAwards=false
• 关键词: Observing; hydrocarbon; particles; multiphase; flows

The PI requests funding to develop an integrated imaging system that would concurrently measure the characteristics of submarine seep bubbles/drops and the “structure” of the surrounding ocean water. This work would produce models for bubble fluxes and dispersal that can be useful to researchers working in many different domains. It would contribute to a better understanding of the influence of natural marine hydrocarbon seepage to the hydrosphere and atmosphere is urgently needed to evaluate its importance and contribution, especially these days when global warming and our changing environment is also highly debated in public. This work provides well-structured educational programs with clear methods of assessment. The instrument to be developed through the proposed project has a high potential to foster international and interdisciplinary collaboration, especially if implemented in a marine cabled observatory array like OOI. Given the fundamental challenges and the need of understanding the interaction between the natural seep and its agitated water flow, this proposal is dedicated to developing an innovative imaging system that would near-simultaneously measures the size of drops/bubbles, appearance of the bubble surface, morphological behavior, rise velocity, and discharge, and the three-dimensional velocity of water, turbulent statistics, vortices in the bubble wake, and the characteristics length and time scales in bubble-induced mixing. This new instrument would overcome some key deficiencies in imaging systems currently available to the research community studying submarine seeps.This award reflects NSF's statutory mission and has been deemed worthy of support through evaluation using the Foundation's intellectual merit and broader impacts review criteria.

PI 请求资助开发一个集成成像系统，该系统将同时测量海底渗漏气泡/液滴的特征和周围海水的“结构”。这项工作将产生气泡通量和扩散的模型，对研究人员有用。这将有助于更好地了解自然海洋碳氢化合物渗漏对水圈和大气的影响，以评估其重要性和贡献，特别是在全球变暖和不断变化的环境也引起激烈争论的今天。公开的。工作提供了结构良好的教育计划和明确的评估方法，通过拟议项目开发的仪器具有促进国际和跨学科合作的巨大潜力，特别是如果在像 OOI 这样的海洋有线观测站阵列中实施的话。由于需要了解自然渗漏与其搅动的水流之间的相互作用，该提案致力于开发一种创新的成像系统，该系统几乎可以同时测量液滴/气泡的大小、气泡表面的外观、形态行为、上升速度,这种新仪器将克服目前可用于研究的成像系统的一些关键缺陷。该奖项反映了 NSF 的法定使命，并通过使用基金会的智力价值和更广泛的影响审查标准进行评估，被认为值得支持。