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The E.T.PACK Project: towards a fully passive and consumable-less deorbit kit based on low work-function tether technology

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dc.affiliation.dptoUC3M. Departamento de Ingeniería Aeroespaciales
dc.affiliation.grupoinvUC3M. Grupo de Investigación: Ingeniería Aeroespaciales
dc.contributor.authorSánchez Arriaga, Gonzalo
dc.contributor.authorNaghdi, Samira
dc.contributor.authorWätzig, K.
dc.contributor.authorSchilm, J.
dc.contributor.authorLorenzini, Enrico C.
dc.contributor.authorTajmar, Martin
dc.contributor.authorUrgoiti Bolumburu, Eduardo
dc.contributor.authorTarabini Castellani, Lorenzo
dc.contributor.authorPlaza, J. F.
dc.contributor.authorPost, A.
dc.contributor.funderComunidad de Madrides
dc.contributor.funderEuropean Commissionen
dc.contributor.funderMinisterio de Economía y Competitividad (España)es
dc.date.accessioned2020-12-18T12:27:57Z
dc.date.available2022-12-01T00:00:05Z
dc.date.issued2020-12
dc.descriptionProceeding of: Sixth International Conference on Tethers in Space, Madrid, June 12-14, 2019en
dc.description.abstractThe Electrodynamic Tether Technology for Passive Consumable-less Deorbit Kit (E.T.PACK) is a project aimed at the development of a deorbit kit based on low-work-function Tether (LWT) technology, i.e., a fully passive and electrically floating system made of a long conductive tape coated with a low-work-function material. The LWT interacts passively with the environment (ambient plasma, magnetic field, and solar radiation) to exchange momentum with the planet's magnetosphere, thus enabling the spacecraft to de-orbit and/or re-boost without the need for consumables. The main goal is to develop a deorbit kit and related software with Technology Readiness Level 4 and promote a follow-up project to carry out an in-orbit experiment. The planned kit in the experiment has three modes of operation: fully passive LWT and conventional electrodynamic tether equipped with an active electron emitter in passive and active modes. Several activities of the project pivot around the C12A7 : e- electride, which will be used in four hardware elements: (i) LWT (ii) hollow cathode, (iii) photo-enhanced thermionic emission device to convert solar photon energy into electrical energy, and (iv) a hollow cathode thruster. These elements, some of which do not belong to the deorbit kit, are synergetic with the main stream of the project and common to some tether applications like in-orbit propulsion and energy generation. This work explains the activities of E.T.PACK and the approach for solving its technological challenges. After reviewing past progresses on electrodynamic tethers and thermionic materials, we present a preliminary concept of the kit for the in-orbit experiment, some simulation results, and the key hardware elements.en
dc.description.sponsorshipThis work has received funding from the European Union's Horizon 2020 research and innovation programme under grant agreement No 828902 (E.T.PACK project). GSA work is supported by the Ministerio de Ciencia, Innovaci on y Universidades of Spain under the Grant RYC-2014-15357. SN work is supported by Comunidad de Madrid (Spain) under the Grant 2018/T2IND/11352en
dc.format.extent7es
dc.identifier.bibliographicCitationActa astronautica, 177 (Special Section on SI: Tethers in Space 2019), Dec. 2020, Pp. 821-827.en
dc.identifier.doihttps://doi.org/10.1016/j.actaastro.2020.03.036
dc.identifier.issn0094-5765
dc.identifier.publicationfirstpage821es
dc.identifier.publicationlastpage827es
dc.identifier.publicationtitleActa astronautica, 177 (Special Section on SI: Tethers in Space 2019), Dec.2020, Pp. 821-827en
dc.identifier.publicationvolume177es
dc.identifier.urihttps://hdl.handle.net/10016/31642
dc.identifier.uxxiCC/0000029879
dc.language.isoenges
dc.publisherElsevier, Ltd.en
dc.relation.eventdate2019-06-12es
dc.relation.eventplaceMADRIDen
dc.relation.eventtitleThe Sixth International Conference on Tethers in Spaceen
dc.relation.ispartofhttp://hdl.handle.net/10016/28343
dc.relation.projectIDinfo:eu-repo/grantAgreement/EC/H2020/828902/E.T.PACK projecten
dc.relation.projectIDGobierno de España. RYC-2014-15357es
dc.relation.projectIDComunidad de Madrid. 2018/T2IND/11352es
dc.rights© 2020 IAA. Published by Elsevier Ltd. All rights reserved.en
dc.rightsAtribución-NoComercial-SinDerivadas 3.0 España*
dc.rightsThis work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.en
dc.rights.accessRightsopen accessen
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/3.0/es/*
dc.subject.ecienciaAeronáuticaes
dc.subject.otherElectrodynamic tethersen
dc.subject.otherThermionic materialsen
dc.subject.otherSpace debrisen
dc.titleThe E.T.PACK Project: towards a fully passive and consumable-less deorbit kit based on low work-function tether technologyen
dc.typeconference paper*
dc.type.hasVersionAM*
dspace.entity.typePublication
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