Rotating Nonlinear Flows in Normal and Quantum Fluids

普通流体和量子流体中的旋转非线性流

• 批准号: 0606252
• 负责人: Daniel Lathrop
• 金额: --
• 依托单位: University of Maryland, College Park
• 依托单位国家: 美国
• 项目类别: Continuing Grant
• 财政年份: 2006
• 资助国家: 美国
• 起止时间: 2006-06-01 至 2010-05-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=0606252&HistoricalAwards=false
• 关键词: Rotating; Nonlinear; Flows; Normal; Quantum

Non-Technical:This research award builds on unique expertize and experimentalfacilities at the University of Maryland to discover the properties ofrotating fluid flow in water and liquid helium. Turbulence in similarflows is important in engineering (in jet engines and pumps), stars, andin understanding the Earth's atmosphere and outer core. This projectwill also explore a strange type of motion at low temperature known as superfluidvortex turbulence. The overall goal of the research is to advance ourunderstanding of rotating fluid turbulence. The mentoring and training ofyoung researchers, as undergraduate and graduate students, is a criticalpart of this project. They will obtain professional skills asresearchers, preparing them for advancement as independent scientists towork in industry, national laboratories, or in research universities.Technical:This research award builds on unique experience and experimentalfacilities at the University of Maryland to probe shear driven flows inthe presence of rapid rotation in Newtonian fluids and superfluids.Turbulent flows with global rotation arise in engineering, astrophysical,and geophysical situations. This research funding allows work ondirectly visualizing superfluid vortex turbulence, in addition toexperiments in more easily diagnosable water flows. The overall goal ofthe research is to advance our understanding of a broad class ofphenomena involving the interaction of nonlinearity, rotation and, inpart, quantum fluids. The mentoring and training of young researchers, asundergraduate and graduate students, is a critical part of this project.They will obtain professional skills as researchers, preparing them foradvancement as independent scientists.

非技术性：该研究奖建立在马里兰州大学独特的专业知识和实验设施的基础上，以发现水和液氦中旋转流体流动的特性。相似流中的湍流在工程（喷气发动机和泵）、恒星以及理解地球大气层和外核方面都很重要。 这个项目还探索了一种奇怪的低温运动类型，称为超流体涡旋湍流。研究的总体目标是提高我们对旋转流体湍流的认识。指导和培训年轻的研究人员，作为本科生和研究生，是这个项目的关键部分。他们将获得作为研究人员的专业技能，为他们作为独立科学家在工业，国家实验室或研究型大学工作做好准备。技术：该研究奖建立在马里兰州大学独特的经验和实验设施的基础上，以探测牛顿流体和超流体中存在快速旋转的剪切驱动流动。 这项研究资金允许直接可视化超流涡流湍流的工作，除了在更容易诊断的水流中进行实验。 这项研究的总体目标是促进我们对广泛的一类现象的理解，这些现象涉及非线性、旋转和部分量子流体的相互作用。指导和培训青年研究人员，包括本科生和研究生，是该项目的关键部分。他们将获得研究人员的专业技能，为成为独立科学家做好准备。