Laboratory Studies of Dynamos

发电机的实验室研究

• 批准号: 1004269
• 负责人: Cary Forest
• 金额: $ 1.5万
• 依托单位: University of Wisconsin-Madison
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 2010
• 资助国家: 美国
• 起止时间: 2010-09-15 至 2013-08-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=1004269&HistoricalAwards=false
• 关键词: Laboratory; Studies; Dynamos

This award is made in response to a proposal submitted to and reviewed under the NSF/DOE Partnership in Basic Plasma Science and Engineering joint solicitation NSF 09-596. The award provides funds to support undergraduate participation in the overall research effort, which is being funded separately by the DOE under contract to University of Wisconsin (Grant DE-FG02-05ER54831).This project would continue supporting magnetohydrodynamic (MHD) experiments addressing questions on the selfgeneration of magnetic fields (dynamos) from flows of liquid sodium and expand this line of research into studies of plasma dynamos. The experimental approach of this research complements more traditional analytical and computational approaches to understanding how magnetic fields can be generated in planets and stars.Two experiments are part of this proposal: a liquid sodium experiment expected to be dynamo from theory, that is operational and making scientific discoveries, and a plasma based experiment under construction (with support from the NSF Major Research Instrumentation program) that will be operational in approximately three years. The goal of both experiments is to experimentally investigate fundamental processes related to self-generation of magnetic fields in naturally occurring dynamos. Both begin as unmagnetized, flowing conducting fluid with large magnetic Reynolds numbers (the key dimensionless number characterizing magnetic field evolution).A central part of the dynamo research includes the training and mentoring of undergraduate and graduate students. Students are involved in all aspects of the project and are regularly sent to scientific meetings where they present their results and are exposed to the larger scientific community. Outreach activities include public lectures, press releases coordinated by the UW Media Relations and websites.The NSF support of undergraduate participation adds a broader educational impact through the early-year training of students by introducing them to scientific research as a possible career path.

该奖项是为了响应提交给NSF/DOE基础等离子体科学与工程合作伙伴关系NSF 09-596的提案。该奖项提供资金，以支持本科生参与整体研究工作，根据与威斯康星州大学的合同，（授予DE-FG 02 - 05 ER 54831）。该项目将继续支持磁流体动力学（MHD）实验，解决磁场自生（发电机）问题。从液态钠的流动中分离出来，并将这一研究领域扩展到等离子发电机的研究。这项研究的实验方法补充了更传统的分析和计算方法，以了解磁场如何在行星和恒星中产生。两个实验是这项提议的一部分：液体钠实验预计将成为理论上的发电机，可操作并取得科学发现，一个基于等离子体的实验正在建设中（由美国国家科学基金会主要研究仪器计划提供支持），将在大约三年内投入使用。这两个实验的目标是实验研究与自然发生的发电机中磁场自生相关的基本过程。两者开始都是未磁化的，具有大磁雷诺数（表征磁场演化的关键无量纲数）的流动导电流体。发电机研究的核心部分包括对本科生和研究生的培训和指导。学生参与项目的各个方面，并定期被派往科学会议，在那里他们展示自己的成果，并接触到更大的科学界。外展活动包括公开讲座，新闻稿由华盛顿大学媒体关系和网站协调。NSF对本科生参与的支持通过向学生介绍科学研究作为可能的职业道路，通过对学生的早期培训增加了更广泛的教育影响。