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Ion acceleration in the magnetic nozzle of an ECR thruster: comparison of experimental measurements with a quasi 1D kinetic model

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dc.affiliation.dptoUC3M. Departamento de Ingeniería Aeroespaciales
dc.affiliation.grupoinvUC3M. Grupo de Investigación: Equipo de Propulsión Espacial y Plasmas (EP2)es
dc.contributor.authorCorreyero Plaza, Sara
dc.contributor.authorJarrige, Julien
dc.contributor.authorPackan, Denis
dc.contributor.authorAhedo Galilea, Eduardo Antonio
dc.date.accessioned2018-12-13T13:01:07Z
dc.date.available2018-12-13T13:01:07Z
dc.date.issued2018-05
dc.descriptionProceeding of: Space Propulsion Conference, SP 2018,14-18 mayo, Sevillaen
dc.description.abstractThis paper presents experimental results on the magnetic nozzle of the 50 W Electron Cyclotron Resonance (ECR) thruster of ONERA, consisting of a 27 mm diameter ECR cavity and a fully divergent magnetic nozzle, created by a Neodymium permanent magnet. The diagnostics installed are a cylindrical Langmuir probe to measure plasma potential, plasma density and electron temperature, and a Laser Induced Fluorescence set-up to measure the mean ion kinetic energy. Both the ion velocity and plasma potential profiles seem to be independent of the mass flow rate when normalized with the electron temperature estimated at the sonic transition of the plasma flow. This sonic transition appears to be slightly shifted downwards of the thruster exit. Results are compared with a supersonic collisionless kinetic 1D model where electron dynamics account for magnetic mirror effects and potential barriers, while ions are treated as a fluid cold species.en
dc.description.sponsorshipThis work was made in the framework of project MINOTOR that has received funding from the European Union’s Horizon 2020 research and innovation programme under grant agreement No 730028. This work was additionally supported by the Spanish R D National Plan (Grant No. ESP2013-41052-P).en
dc.format.extent8es
dc.format.mimetypeapplication/pdf
dc.identifier.bibliographicCitationSpace Propulsion Conference (SP 2018)en
dc.identifier.urihttps://hdl.handle.net/10016/27819
dc.identifier.uxxiCC/0000028297
dc.language.isoengen
dc.relation.eventdate2018-05-14es
dc.relation.eventplaceSevillaes
dc.relation.eventtitleSpace Propulsion Conference (SP 2018)en
dc.relation.projectIDinfo:eu-repo/grantAgreement/EC/H2020/730028en
dc.relation.projectIDGobierno de España. ESP2013-41052-Pes
dc.rights.accessRightsopen accessen
dc.subject.ecienciaAeronáuticaes
dc.subject.otherMagnetic nozzleen
dc.subject.otherAccelerationen
dc.subject.otherLaser induced Fluorescenceen
dc.subject.otherLangmuir probeen
dc.subject.otherKinetic modellingen
dc.subject.otherAmbipolar potentialen
dc.subject.otherMagnetized expansionen
dc.subject.otherElectronen
dc.titleIon acceleration in the magnetic nozzle of an ECR thruster: comparison of experimental measurements with a quasi 1D kinetic modelen
dc.typeconference output*
dc.type.hasVersionAM*
dspace.entity.typePublication
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