Experimental Simulation of Gas Giant Entry in the PWK1 Arcjet Facility including CH4

Paper

Loehle, S., Meindl, A., Poloni, E., Steer, J., Sopek, T., McGilvray, M. and Walpot, L.. 2022. "Experimental Simulation of Gas Giant Entry in the PWK1 Arcjet Facility including CH4." AIAA SciTech Forum 2022. San Diego, United States 03 - 07 Jan 2022 United States. https://doi.org/10.2514/6.2022-0264
Paper/Presentation Title

Experimental Simulation of Gas Giant Entry in the PWK1 Arcjet Facility including CH4

Presentation TypePaper
AuthorsLoehle, S. (Author), Meindl, A. (Author), Poloni, E. (Author), Steer, J. (Author), Sopek, T. (Author), McGilvray, M. (Author) and Walpot, L. (Author)
Journal or Proceedings TitleProceedings of the AIAA SciTech Forum (2022)
Number of Pages8
Year2022
Place of PublicationUnited States
ISBN9781624106316
Digital Object Identifier (DOI)https://doi.org/10.2514/6.2022-0264
Web Address (URL) of Paperhttps://arc.aiaa.org/doi/10.2514/6.2022-0264
Conference/EventAIAA SciTech Forum 2022
Event Details
AIAA SciTech Forum 2022
Event Date
03 to end of 07 Jan 2022
Event Location
San Diego, United States
Abstract

An approach for the experimental simulation of entry conditions into the atmosphere of gas giant Neptune is presented. The PWK1 facility at the Institute of Space Systems of the University of Stuttgart has been modified in order to be used with hydrogen-helium mixtures. Additionally, methane was injected aiming at investigating the influence of methane on the radiation behavior. Methane could significantly change the radiative heating behavior during the entry flight. Based on first emission spectroscopic measurements, it is shown that methane influences the spectra behavior considerably. CH and C2 molecular radiation appear and the overall radiation level is higher. The prominent hydrogen Balmer series are saturating the spectrometer, which needs further attention in future measurements.

KeywordsArcjet facilities; Condition; Experimental simulations; Gas giant; Hydrogen-helium mixture; Institute of Space Systems; Neptune; Radiation behavior; Radiative heating; Spectroscopic
ANZSRC Field of Research 2020400106. Hypersonic propulsion and hypersonic aerothermodynamics
510602. Plasma physics; fusion plasmas; electrical discharges
510203. Nonlinear optics and spectroscopy
Public Notes

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Byline AffiliationsGerman Aerospace Centre, Germany
Institute of Space Systems, Germany
University of Oxford, United Kingdom
European Space Agency, France
Institution of OriginUniversity of Southern Queensland
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