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Geometry Considerations for the Radio and Plasma Waves Instrument on the ESA Jupiter Icy Moons Explorer (JUICE)
2015 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

While the JUICE spacecraft configuration and main contractor are yet to bedecided, it is still possible to investigate general issues on the impact of various boom accommodation alternatives for measurements of plasma and electric fields using the Langmuir probe system of the Radio and Plasma Waves Investigation. These probes can be used as classical Langmuir probes, as electric field probes, or for mutual impedance measurements, and the impact of e.g. varying illumination and wake interference are different for each type of measurement. While there is a nominal JUICE trajectory for the main science mission, we have to do assumptions on the spacecraft pointing, e.g. nadir pointing during flybys of the various moons. The detailed spacecraft layout is not known, but we can arrive at general conclusions on the suitability of various boom accommodations by assuming a cube-like spacecraft with solar panels as rectangular wings. For disturbing structures like wakes and photoelectron clouds we use simple models based on previous simulations. Even though the detailed pointing and spacecraft design will quite certainly deviate from our assumptions, and the model has uncertainties also in other respects, we can conclude that some possible configurations are quitebeneficial to the LP system from the point of view of wake and eclipse.

Place, publisher, year, edition, pages
2015. , 96 p.
Keyword [en]
Technology, JUICE, Langmuir probe, RPWI
Keyword [sv]
URN: urn:nbn:se:ltu:diva-46763Local ID: 462131df-70a5-4a2c-88cb-ede00d9e68dcOAI: diva2:1020078
External cooperation
Subject / course
Student thesis, at least 30 credits
Educational program
Space Engineering, master's level
Validerat; 20151118 (global_studentproject_submitter)Available from: 2016-10-04 Created: 2016-10-04Bibliographically approved

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