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Spacecraft-Plasma Interaction Modelling of Future Missions to Jupiter
2012 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

As an orbiter cruising to Jupiter will encounter different plasma environments, variety of spacecraft surface charging is expected. This surface potential can lead to inaccurate and wrong in-situ plasma measurements of on-board sensors, which explain the interest in simulating the charging.In this thesis the spacecraft-plasma interactions for a future mission to Jupiter are modelled with the help of the Spacecraft Plasma Interaction System, taking the case of a Jupiter Ganymede Orbiter (JGO) and a Jupiter Europa Orbiter (JEO) as an archetype for a future mission.It is shown that in solar wind at Earth and Jupiter, spacecraft potentials of about 8 V for the JEO, and 10 V to 11 V for the JGO are expected. Furthermore, at a distance of 15 Jupiter radii from Jupiter, the JGO is expected to charge to an electric potential of 2 V, except in the planetary shadow, where it will charge to a high negative potential of -40 V. Moreover, close to the orbit of Callisto, JGO will charge to 12 V in the sun and to 4.6 V in eclipse, due to a high secondary electron emission yield.

Place, publisher, year, edition, pages
2012. , 89 p.
Keyword [en]
Physics Chemistry Maths, spacecraft charging, Jupiter Ganymede Orbiter, Jupiter Europa Orbiter, Europa Jupiter System Mission - Laplace, Spacecraft Plasma Interaction System, Jupiter Icy Moon Explorer
Keyword [sv]
Fysik, Kemi, Matematik
Identifiers
URN: urn:nbn:se:ltu:diva-48367Local ID: 5d20be98-d03a-47ea-9449-b025932224acOAI: oai:DiVA.org:ltu-48367DiVA: diva2:1021709
Subject / course
Student thesis, at least 30 credits
Educational program
Space Engineering, master's level
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Examiners
Note
Validerat; 20120115 (anonymous)Available from: 2016-10-04 Created: 2016-10-04Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
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