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Electrostatic ion thrusters for space debris removal
KTH, School of Engineering Sciences (SCI).
KTH, School of Engineering Sciences (SCI).
2018 (English)Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesisAlternative title
Elektrostatisk jonkanon för borttagande av rymdskrot (Swedish)
Abstract [en]

The current levels of space debris are critical and actions are needed to preventcollisions. In this paper it is examined whether an electrostatic ion thruster canbe powerful enough to slow down the debris in a sufficient manner. Furthermore,it is looked into whether the process can be repeated for a significant numberof pieces by maneuvering between them. We conclude that the removal processseems possible although some improvements are needed. Maneuvering is costlybut despite conservative assumptions, we estimate that about 800 pieces can beremoved in one journey made by a satellite weighing ten tonnes of which nine arexenon.

Abstract [sv]

Den nuvarande nivån av rymdskrot är kritisk och åtgärder krävs för att förhindra

kollisioner. I denna artikel undersöks det huruvida en elektrostatisk jonkanon är kraftfull nog för att bromsa skrot tillräckligt. Fortsättningsvis undersöks det om denna process är effectiv nog för att återupprepas för ett betydande antal bitar, inklusive manövrering bitarna emellan. Vi drar slutsatsen att processen verkar möjlig att genomföra även om vissa förbättringar behövs. Manövreringen är kostsam men trots konservativa antaganden uppskattar vi att ungefär 800 bitar kan tas ned under en resa av en satellit med vikt 10 ton varav nio ton är xenon.

Place, publisher, year, edition, pages
2018. , p. 21
Series
TRITA-SCI-GRU ; 2018-145
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:kth:diva-230750OAI: oai:DiVA.org:kth-230750DiVA, id: diva2:1219151
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Available from: 2018-06-15 Created: 2018-06-15 Last updated: 2018-06-15Bibliographically approved

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