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Journal of electric propulsion最新文献

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Plume divergence characterization for electric propulsion via standard deviation and emittance.
Journal of electric propulsion
Pub Date : 2025-01-01 Epub Date: 2025-02-25 DOI: 10.1007/s44205-025-00113-5
McKenna J D Breddan, Richard E Wirz

Electric propulsion systems require careful consideration of plume divergence and evolution over a range of operating conditions and environments. Existing means of describing plume divergence such as outlines, plume profiles, and snapshots of the plume are dominated by outlier particles and do not provide reliable or quantitative insight. Proposed herein are two novel methods for describing plume divergence using standard deviation and emittance to provide quantitative insight of the collective behavior of plume species. Furthermore, the emittance metric from the particle accelerator community is shown to accurately describe plume evolution in a two-dimensional position and momentum angle space. Cross-sectional emittance measurements are used to display the presence of non-Hamiltonian forces in plume evolution, namely stochastic Coulomb collisions between neighboring particles. Finally, full-plume emittance diagrams are demonstrated as a means of identifying when an electric propulsion plume has reached steady state.

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引用次数: 0
Ion current and energy in the magnetic arch of a cluster of two ECR plasma sources.
Journal of electric propulsion
Pub Date : 2025-01-01 Epub Date: 2025-02-25 DOI: 10.1007/s44205-025-00100-w
C Boyé, J Navarro-Cavallé, M Merino

The feasibility of a novel 'magnetic arch' topology for controlled contactless plasma beam acceleration is experimentally demonstrated using a pair of coaxial electron cyclotron resonance sources with opposing magnetic polarities, such that their respective magnetic nozzles connect to form a closed-line configuration. Retarding potential analyser measurements are taken for a single source and the two sources with the same and opposing polarities, as well as no applied magnetic field, showing that the magnetic arch yields higher maximum ion current and lower plume divergence angle than other alternative configurations, albeit the most probable ion energy is lower than for a single magnetic nozzle, in agreement with existing models. This validation paves the way to clustering magnetic-nozzle-based plasma thrusters for space propulsion.

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引用次数: 0
Design of a power processing unit with integrated telemetry for a vacuum arc thruster as part of the SeRANIS mission 为 SeRANIS 飞行任务中的真空电弧推进器设计集成遥测功能的动力处理单元
Journal of electric propulsion
Pub Date : 2024-07-02 DOI: 10.1007/s44205-024-00074-1
Roman Forster, Michal Szulc, Jochen Schein
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引用次数: 0
Multimodal electrospray thruster for small spacecraft: design and experimental characterization 用于小型航天器的多模式电喷推进器：设计和实验表征
Journal of electric propulsion
Pub Date : 2024-07-01 DOI: 10.1007/s44205-024-00075-0
P. Mallalieu, Manish Jugroot
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引用次数: 0
Temporally resolved relative krypton neutral density during breathing mode of a hall effect thruster recorded by TALIF 由 TALIF 记录的霍尔效应推进器呼吸模式期间的时间分辨相对氪中性密度
Journal of electric propulsion
Pub Date : 2024-05-13 DOI: 10.1007/s44205-024-00070-5
Jacob A. Gottfried, Seth Antozzi, Jon Stienike, Seth J. Thompson, John D. Williams, A. Yalin
{"title":"Temporally resolved relative krypton neutral density during breathing mode of a hall effect thruster recorded by TALIF","authors":"Jacob A. Gottfried, Seth Antozzi, Jon Stienike, Seth J. Thompson, John D. Williams, A. Yalin","doi":"10.1007/s44205-024-00070-5","DOIUrl":"https://doi.org/10.1007/s44205-024-00070-5","url":null,"abstract":"","PeriodicalId":73724,"journal":{"name":"Journal of electric propulsion","volume":"104 29","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-05-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140986036","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Analysis of the radiated emission of an ECR thruster with magnetic nozzle in terms of its EMC 带磁性喷嘴的 ECR 推进器辐射发射的电磁兼容性分析
Journal of electric propulsion
Pub Date : 2024-05-02 DOI: 10.1007/s44205-024-00069-y
F. Kiefer, K. Keil, K. Holste, P. J. Klar, R. Thüringer
{"title":"Analysis of the radiated emission of an ECR thruster with magnetic nozzle in terms of its EMC","authors":"F. Kiefer, K. Keil, K. Holste, P. J. Klar, R. Thüringer","doi":"10.1007/s44205-024-00069-y","DOIUrl":"https://doi.org/10.1007/s44205-024-00069-y","url":null,"abstract":"","PeriodicalId":73724,"journal":{"name":"Journal of electric propulsion","volume":"7 3","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-05-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141021821","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Spatial structures of different particles in helicon plasma 螺旋子等离子体中不同粒子的空间结构
Journal of electric propulsion
Pub Date : 2024-04-16 DOI: 10.1007/s44205-024-00068-z
Zun Zhang, Jikun Zhang, Yuzhe Sun
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引用次数: 0
Predicting the antenna properties of helicon plasma thrusters using machine learning techniques 利用机器学习技术预测螺旋桨等离子推进器的天线特性
Journal of electric propulsion
Pub Date : 2024-03-05 DOI: 10.1007/s44205-023-00063-w
Oscar Malm, N. Souhair, Alessandro Rossi, Mirko Magarotto, F. Ponti
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引用次数: 0
Particle-in-Cell simulation of radio-frequency ion thruster RIT-1.0 射频离子推进器 RIT-1.0 的舱内粒子模拟
Journal of electric propulsion
Pub Date : 2024-02-22 DOI: 10.1007/s44205-024-00067-0
Ninad Joshi, Christian Heiliger
{"title":"Particle-in-Cell simulation of radio-frequency ion thruster RIT-1.0","authors":"Ninad Joshi, Christian Heiliger","doi":"10.1007/s44205-024-00067-0","DOIUrl":"https://doi.org/10.1007/s44205-024-00067-0","url":null,"abstract":"","PeriodicalId":73724,"journal":{"name":"Journal of electric propulsion","volume":"4 5","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-02-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140439368","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Implementation of direct battery driven discharge in triggerless operation of vacuum arc thrusters 在真空电弧推进器的无触发操作中实现直接电池驱动放电
Journal of electric propulsion
Pub Date : 2024-01-15 DOI: 10.1007/s44205-023-00065-8
James Saletes, Kash Saddul, Alexander Wittig, Minkwan Kim
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引用次数: 0
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