Combination of Interdisciplinary Training in Space Technology with Project-Related Work through the CubeSat SOURCE

Stier, Annika; Schweigert, Robin; Galland, Daniel; Lengowski, Michael; Klinkner, Sabine

doi:10.29311/2020.46

Cited by 1 publication

(1 citation statement)

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“…SOURCE is an abbreviation for Stuttgart Operated University Research CubeSat for Evaluation and Education. Additionally to the reentry sensor setup, SOURCE features a camera system for meteor observation and star tracking, as well as multiple payloads by DLR, Airbus and Fraunhofer IPA for technology demonstration [3].…”

Section: Introductionmentioning

confidence: 99%

Design and development of the re-entry sensor system for the CubeSat mission SOURCE

Kuhm¹,

Fischer²,

Blümler³

et al. 2022

4th Symposium on Space Educational Activities

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With the number of man-made objects being launched into orbit steadily increasing, space debris is one of the big challenges for future space flight. In order to better assess the danger to humans on Earth’s surface, re-entry should be researched in more detail. SOURCE serves as a 3U+ satellite platform designed and developed by the small satellite student society (KSat e.V.) and the Institute of Space Systems (IRS) at the University of Stuttgart. It was selected by ESA in 2020 to be part of the ‘Fly your Satellite’ program, has successfully completed the CDR and is currently preparing for the MRR. SOURCE’s objectives are education, verification of several cost-saving, not yet space-proven technologies for orbital use, capturing images of meteoroids entering Earth's atmosphere and documenting its own demise during re-entry by analysing atomic oxygen, heat flux- and pressure data. In order to receive data for as long as possible during re-entry, the satellite switches from S-band to Iridium (inter-satellite link) communication at an altitude below 200 km. For the in-situ measurement during the re-entry, SOURCE is equipped with two Flux-Phi-Probe (FIPEX) sensors for the measurement of atomic oxygen and five additional sensor arrays. Each array contains one pressure sensor and two heat flux sensors, one commercial and one developed by the IRS. The arrays are placed at five positions in-line across the satellite to reduce effects of tumbling during the re-entry and to allow for the measurement of gradients. For a first estimation of the expected value ranges, simulations were performed with the software PICLas, developed by the IRS and the Institute of Aero-and Gas Dynamics (IAG) at the University of Stuttgart. In an iterative process, the collected data will be used to further improve this simulation software after the re-entry of the SOURCE satellite. The aim of this paper is to describe the design philosophy and development process of the sensor readout electronics. The tests carried out are presented and the first results are presented.

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Section: Introductionmentioning

confidence: 99%