Pub Date : 2023-10-12DOI: 10.1007/s44205-023-00058-7
Anmol Taploo, Vikas Soni, Halen Solomon, Marshall McCraw, Li Lin, Jake Spinelli, Steven P. Shepard, Santiago D. Solares, Michael Keidar
Abstract The paper presents an enhanced version of an arc electron source designed for air ionization applications in a self-neutralizing air-breathing plasma thruster. The arc electron source is specifically suited for the air-breathing plasma thruster, as it allows precise control of mean electron energy levels. This paper focuses on the ionization aspects of air-breathing thrusters through the development of axially magnetized arc electron sources. The sources consist of a circular and coaxial configuration of a metallic arc plasma source coupled with a positively biased grid to extract electrons and control mean electron energy. The average mean electron energy of electrons in the arc electron source is regulated by adjusting the bias voltage of the grid within the range of 0 V – 300 V. To investigate the behavior of ion current density and electron density concerning pressure and mean electron energy, the current probe and magnetic filter were utilized. It was demonstrated that the circular electron source leads to enhanced ionization of airflow by achieving plasma densities greater than 10 18 m −3 . By utilizing a high-speed camera for the circular arc electron source, the arc spot was seen to move azimuthally due to the magnetic field. Furthermore, scanning electron microscopy and a conductance measurement system were employed for the coaxial arc electron source to examine the deposition and conductance of the electron extraction grid. While the grid underwent deposition of about 600 microns, the conductance was observed to increase/saturate with time and bias voltage, indicating an electrically “self-healing material”.
摘要:本文介绍了一种用于自中和空气呼吸等离子体推力器中空气电离应用的增强型电弧电子源。电弧电子源特别适合于空气呼吸等离子体推进器，因为它允许精确控制平均电子能量水平。本文通过研制轴向磁化电弧电子源，重点研究了吸气式推进器的电离问题。该源由金属弧等离子体源的圆形和同轴结构组成，并与正偏置栅格耦合以提取电子并控制平均电子能量。通过调节栅极的偏置电压，在0 V ~ 300 V范围内调节电弧电子源中电子的平均电子能。为了研究离子电流密度和电子密度随压力和平均电子能的变化规律，采用了电流探针和磁滤波器。结果表明，当等离子体密度大于10 18 m−3时，圆形电子源会导致气流的电离增强。利用高速摄像机作为圆弧电子源，观察到圆弧光斑在磁场作用下的方位运动。此外，利用扫描电镜和电导测量系统对同轴电弧电子源的沉积和电导进行了检测。当栅格进行约600微米的沉积时，观察到电导随着时间和偏置电压的增加而增加/饱和，表明电“自愈材料”。
{"title":"Characterization of a circular arc electron source for a self-neutralizing air-breathing plasma thruster","authors":"Anmol Taploo, Vikas Soni, Halen Solomon, Marshall McCraw, Li Lin, Jake Spinelli, Steven P. Shepard, Santiago D. Solares, Michael Keidar","doi":"10.1007/s44205-023-00058-7","DOIUrl":"https://doi.org/10.1007/s44205-023-00058-7","url":null,"abstract":"Abstract The paper presents an enhanced version of an arc electron source designed for air ionization applications in a self-neutralizing air-breathing plasma thruster. The arc electron source is specifically suited for the air-breathing plasma thruster, as it allows precise control of mean electron energy levels. This paper focuses on the ionization aspects of air-breathing thrusters through the development of axially magnetized arc electron sources. The sources consist of a circular and coaxial configuration of a metallic arc plasma source coupled with a positively biased grid to extract electrons and control mean electron energy. The average mean electron energy of electrons in the arc electron source is regulated by adjusting the bias voltage of the grid within the range of 0 V – 300 V. To investigate the behavior of ion current density and electron density concerning pressure and mean electron energy, the current probe and magnetic filter were utilized. It was demonstrated that the circular electron source leads to enhanced ionization of airflow by achieving plasma densities greater than 10 18 m −3 . By utilizing a high-speed camera for the circular arc electron source, the arc spot was seen to move azimuthally due to the magnetic field. Furthermore, scanning electron microscopy and a conductance measurement system were employed for the coaxial arc electron source to examine the deposition and conductance of the electron extraction grid. While the grid underwent deposition of about 600 microns, the conductance was observed to increase/saturate with time and bias voltage, indicating an electrically “self-healing material”.","PeriodicalId":73724,"journal":{"name":"Journal of electric propulsion","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135969000","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}
Pub Date : 2023-09-11DOI: 10.1007/s44205-023-00056-9
Ninad Joshi, Christian Heiliger
Abstract A hybrid Fluid-Kinetic model based on a polymorphic Particle-in-Cell method is developed for the simulation of plasmas in ion thruster. The numerical scheme is suited for scenarios in which thermal ions or electrons undergo strong acceleration. The polymorphic PIC model is tested for the extraction region of an ion thruster. In this paper, we report the results achieved by implementing the scheme on a single extraction orifice and compare our results with the simulation from known IGUN software for ion extraction.
{"title":"Fluid-Kinetic-hybrid simulation for ion thruster using polymorphic particles","authors":"Ninad Joshi, Christian Heiliger","doi":"10.1007/s44205-023-00056-9","DOIUrl":"https://doi.org/10.1007/s44205-023-00056-9","url":null,"abstract":"Abstract A hybrid Fluid-Kinetic model based on a polymorphic Particle-in-Cell method is developed for the simulation of plasmas in ion thruster. The numerical scheme is suited for scenarios in which thermal ions or electrons undergo strong acceleration. The polymorphic PIC model is tested for the extraction region of an ion thruster. In this paper, we report the results achieved by implementing the scheme on a single extraction orifice and compare our results with the simulation from known IGUN software for ion extraction.","PeriodicalId":73724,"journal":{"name":"Journal of electric propulsion","volume":"48 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-09-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135980773","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}
Pub Date : 2023-08-24DOI: 10.1007/s44205-023-00054-x
Oliver Jia-Richards, Y. Marzouk, P. Lozano
{"title":"A method for direct in-space thrust estimation from low-acceleration orbital maneuvers","authors":"Oliver Jia-Richards, Y. Marzouk, P. Lozano","doi":"10.1007/s44205-023-00054-x","DOIUrl":"https://doi.org/10.1007/s44205-023-00054-x","url":null,"abstract":"","PeriodicalId":73724,"journal":{"name":"Journal of electric propulsion","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-08-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47517645","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}
Pub Date : 2023-07-21DOI: 10.1007/s44205-023-00053-y
D. Lev, Daniel Katz Franco, R. Zimmerman, Moshe Tordjman, Boaz Auslender, Oren Epstein
{"title":"96 kN-sec endurance test of the R-200 low power hall thruster","authors":"D. Lev, Daniel Katz Franco, R. Zimmerman, Moshe Tordjman, Boaz Auslender, Oren Epstein","doi":"10.1007/s44205-023-00053-y","DOIUrl":"https://doi.org/10.1007/s44205-023-00053-y","url":null,"abstract":"","PeriodicalId":73724,"journal":{"name":"Journal of electric propulsion","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-07-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44712707","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}
Pub Date : 2023-05-18DOI: 10.1007/s44205-023-00049-8
Guido Giammarinaro, Francesco Marconcini, G. Becatti, M. Saravia, M. Andrenucci, F. Paganucci
{"title":"A scaling methodology for high-power magnetically shielded Hall thrusters","authors":"Guido Giammarinaro, Francesco Marconcini, G. Becatti, M. Saravia, M. Andrenucci, F. Paganucci","doi":"10.1007/s44205-023-00049-8","DOIUrl":"https://doi.org/10.1007/s44205-023-00049-8","url":null,"abstract":"","PeriodicalId":73724,"journal":{"name":"Journal of electric propulsion","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-05-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43509528","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}
Pub Date : 2023-05-10DOI: 10.1007/s44205-023-00052-z
Felix Becker, B. Nauschütt, Limei Chen, K. Holste, P. Klar
{"title":"Plasma parameter measurement on a RIT-10 using empirical correlations between non-invasive optical emission spectroscopy and Langmuir diagnostics","authors":"Felix Becker, B. Nauschütt, Limei Chen, K. Holste, P. Klar","doi":"10.1007/s44205-023-00052-z","DOIUrl":"https://doi.org/10.1007/s44205-023-00052-z","url":null,"abstract":"","PeriodicalId":73724,"journal":{"name":"Journal of electric propulsion","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-05-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45188105","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}
Pub Date : 2023-04-18DOI: 10.1007/s44205-023-00050-1
I. Beilis
{"title":"Magnetoplasmadynamic acceleration of solid body in a railgun","authors":"I. Beilis","doi":"10.1007/s44205-023-00050-1","DOIUrl":"https://doi.org/10.1007/s44205-023-00050-1","url":null,"abstract":"","PeriodicalId":73724,"journal":{"name":"Journal of electric propulsion","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-04-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44016913","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}
Pub Date : 2023-04-12DOI: 10.1007/s44205-023-00043-0
J. Polk, V. Chaplin, John Anderson, J. Yim, G. Soulas, G. Williams, Rohit Shastry
{"title":"Modeling grid erosion in the NEXT ion thruster using the CEX2D and CEX3D codes","authors":"J. Polk, V. Chaplin, John Anderson, J. Yim, G. Soulas, G. Williams, Rohit Shastry","doi":"10.1007/s44205-023-00043-0","DOIUrl":"https://doi.org/10.1007/s44205-023-00043-0","url":null,"abstract":"","PeriodicalId":73724,"journal":{"name":"Journal of electric propulsion","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-04-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49640575","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}
Pub Date : 2023-03-27DOI: 10.1007/s44205-023-00047-w
Kento Shirasu, Hiroki Kuwabara, Masayuki Matsuura, H. Koizumi, Y. Nakagawa, Hiroki Watanabe, H. Sekine, K. Komurasaki
{"title":"Demonstration and experimental characteristics of a water-vapor Hall thruster","authors":"Kento Shirasu, Hiroki Kuwabara, Masayuki Matsuura, H. Koizumi, Y. Nakagawa, Hiroki Watanabe, H. Sekine, K. Komurasaki","doi":"10.1007/s44205-023-00047-w","DOIUrl":"https://doi.org/10.1007/s44205-023-00047-w","url":null,"abstract":"","PeriodicalId":73724,"journal":{"name":"Journal of electric propulsion","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-03-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48022938","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}
Pub Date : 2023-03-21DOI: 10.1007/s44205-023-00046-x
V. Désangles, D. Packan, J. Jarrige, S. Peterschmitt, Patrick Dietz, S. Scharmann, K. Holste, P. Klar
{"title":"ECRA thruster advances: 30W and 200W prototypes latest performances","authors":"V. Désangles, D. Packan, J. Jarrige, S. Peterschmitt, Patrick Dietz, S. Scharmann, K. Holste, P. Klar","doi":"10.1007/s44205-023-00046-x","DOIUrl":"https://doi.org/10.1007/s44205-023-00046-x","url":null,"abstract":"","PeriodicalId":73724,"journal":{"name":"Journal of electric propulsion","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-03-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43051776","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}
京公网安备 11010802042870号
京ICP备2023020795号-1
扫码关注我们
求助内容：
应助结果提醒方式：