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Downscaling a HEMPT to micro-Newton Thrust levels: current status and latest results

Hey, Franz and Brandt, Tim and Kornfeld, Günter and Braxmaier, Claus and Tajmar, Martin and Johann, Ulrich (2015) Downscaling a HEMPT to micro-Newton Thrust levels: current status and latest results. Conference of 30th International Symposium on Space Technology and Science,, 04.-10.07.2015, Hyogo-Kobe, Japan.

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Abstract

Space, Germany Since 2009 Airbus DS Space Systems, Friedrichshafen, has been investigating Electric Propulsion (EP) systems for high precision attitude and position control of spacecrafts. As a start, an experimental measurement campaign to demonstrate the feasibility of down scaling the High Efficiency Multistage Plasma Thruster (HEMPT), developed by Thales at Ulm in Germany, to the micro-Newton thrust level was initiated in close cooperation with university research groups. The HEMPT is potentially an attractive micro-Newton thruster concept because of the unique advantages of the HEMPT principle, e.g. nearly erosion-free operation and simple system and interface design with just one high voltage supply and one mass flow controller. We designed a next generation μHEMPT with a thrust range between 50 μN to 500 μN, a specific inpuls of more than 2000 s, a divergence efficiency of more than 80% and a mass efficiency of around 70% . The proceeding will wrap up the thruster design and key parameters of the thruster and the performed measurements will be summarised

Item URL in elib:https://elib.dlr.de/103476/
Document Type:Conference or Workshop Item (Speech)
Title:Downscaling a HEMPT to micro-Newton Thrust levels: current status and latest results
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Hey, FranzAirbus Defence & Space, FriedrichshafenUNSPECIFIED
Brandt, TimDLR, University of Kiel, GermanyUNSPECIFIED
Kornfeld, GünterPlasma & Microwave Consulting, KPMCUNSPECIFIED
Braxmaier, Clausclaus.braxmaier (at) dlr.deUNSPECIFIED
Tajmar, MartinTU DresdenUNSPECIFIED
Johann, UlrichAstrium FriedrichshafenUNSPECIFIED
Date:2015
Refereed publication:No
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Status:Published
Keywords:HEMPT, electric propulsion, micro-Newton thruster, thrust balance, heterodyne interferometer
Event Title:Conference of 30th International Symposium on Space Technology and Science,
Event Location:Hyogo-Kobe, Japan
Event Type:international Conference
Event Dates:04.-10.07.2015
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:other
DLR - Research area:Raumfahrt
DLR - Program:R - no assignment
DLR - Research theme (Project):R - no assignment
Location: Bremen
Institutes and Institutions:Institute of Space Systems > Systems Enabling Technologies
Deposited By: Hüls, Simone
Deposited On:17 Mar 2016 10:12
Last Modified:17 Mar 2016 10:12

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