International Space Station Bipropellant Plume Contamination Model update for short thruster pulse widths
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Published:2023-08-01
Issue:1
Volume:1287
Page:012042
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ISSN:1757-8981
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Container-title:IOP Conference Series: Materials Science and Engineering
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language:
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Short-container-title:IOP Conf. Ser.: Mater. Sci. Eng.
Author:
Fox Katie,Steagall Courtney,Usher Taria,Deal Alexandra,Worthy Erica
Abstract
Abstract
The International Space Station (ISS) Bipropellant Plume Contamination Model has been a vital tool for characterizing the thruster plume-induced contamination environment at the ISS but was not intended to be used for very short thruster pulse widths. This paper presents an updated model that ensures full start-up and shut-down phases are modeled for each thruster firing, when the majority of liquid phase contaminant mass is released. The updated ISS Bipropellant Plume Contamination Model prevents potential under-prediction of thruster plume-induced contamination due to visiting vehicle proximity operations and provides a way to take advantage of thruster start-up and shut-down performance data gathered during thruster test programs, if available.
Subject
Industrial and Manufacturing Engineering
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