Development and test of a permanent magnet helicon thruster.

机译：永磁螺旋推进器的开发和测试。

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This thesis describes the development of a test facility equipped with Langmuir probe and Retarding Potential Analyzer diagnostics for helicon thruster research. A helicon thruster using permanent magnets was also designed and tested. The helicon has several advantages, but the main disadvantage is the use of electromagnets to generate the required magnetic field, requiring a high power draw. The choice of using permanent magnets is to reduce the size, cost and power required to generate high specific impulse thrust. A prototype has been designed, analyzed and tested using Argon with demonstrated specific impulse of 1400 seconds. Analysis of the variation of beam power and ion temperature in the exhaust plume with variation of input power and vacuum pressure are presented. Preliminary tests were conducted using water as a propellant. Measurement of the ion energy distribution function shows a number of peaks indicating the presence of dissociation products.

机译：本文介绍了配备用于直升机推进器研究的配备Langmuir探针和减速电位分析器诊断程序的测试设备的开发。还设计并测试了使用永磁体的螺旋推进器。螺线管有几个优点，但主要缺点是使用电磁体产生所需的磁场，需要大功率消耗。选择使用永磁体是为了减小产生高比冲推力所需的尺寸，成本和功率。已经使用Argon设计，分析和测试了原型，并证明了1400秒的特定脉冲。提出了随着输入功率和真空压力的变化分析束流功率和废气羽流中离子温度的变化。使用水作为推进剂进行了初步测试。离子能量分布函数的测量显示出许多峰，表明存在离解产物。

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作者
DeMaio, Michael Frank, Jr.;
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作者单位

University of Maryland, College Park.;

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授予单位 University of Maryland, College Park.;
学科 Engineering Aerospace.
学位 M.S.
年度 2010
页码 118 p.
总页数 118
原文格式 PDF
正文语种 eng
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1. Effect of permanent magnets on plasma confinement and ion beam properties in a double layer helicon plasma source [J] . ErikVarberg, ?shildFredriksen Journal of Plasma Physics . 2019,第3期

机译：永磁体对双层Helicon等离子体源中等离子体限制和离子束性能的影响
2. Characterization of hydrogen plasma in a permanent ring magnet based helicon plasma source for negative ion source research [J] . Pandey A., Mukherjee Debrup, Borah Dipshikha, Plasma physics and controlled fusion . 2019,第6期

机译：基于永磁磁体的氢等离子体的氢等离子体的表征负离子源研究
3. Conceptual design of a permanent ring magnet based helicon plasma source module intended to be used in a large size fusion grade ion source [J] . Pandey Arun, Sudhir Dass, Bandyopadhyay M., Fusion Engineering and Design . 2016,第Feba期

机译：基于永久环形磁铁的螺线管等离子体源模块的概念设计，旨在用于大型聚变级离子源
4. Negative Hydrogen Ion Density Measurement in a Permanent Magnet based Helicon Ion Source (HELEN-I) using Cavity Ring-Down Spectroscopic Technique [C] . D. Mukhopadhyay, A. Pandey, M. Bandyopadhyay, International Symposium on Negative Ions, Beams and Sources . 2018

机译：基于磁体的Helicon离子源（Helen-I）中的负氢离子密度测量使用腔闭合光谱技术
5. Multitube helicon source with permanent magnets. [D] . Torreblanca, Humberto. 2008

机译：带永久磁铁的多管螺线管源。
6. Eddy Current Transducer with Rotating Permanent Magnets to Test Planar Conducting Plates [O] . Tomasz Chady, Jacek M. Grochowalski 2019

机译：带有旋转永磁体的涡流传感器用于测试平面导电板
7. Investigation of Permanent Magnet Machines for Downhole Applications: _ Design, Prototype and Testing of a Flux-Switching Permanent Magnet Machine [O] . Chen Anyuan 2011

机译：井下永磁电机研究：_磁通转换永磁电机的设计，原型制作和测试

Development and test of a permanent magnet helicon thruster.

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