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Low Drift Thrust Balance with High Resolution

Harmann, H. P. and Dartsch, H. and Werner, Ellen (2016) Low Drift Thrust Balance with High Resolution. 34rd International Electric Propulsion Conference, 04. -10. Juli 2015, Kobe, Japan.

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Abstract

In this paper we present a small thrust balance for thrusters up to 2 kg developed by AST Advanced Space Technologies GmbH in cooperation with Deutsches Zentrum für Luft- und Raumfahrt e.V. (DLR). The measurement range is optimized for 0.1mN to 250mN while the full range is up to 1 N. In high dynamic mode the balance is able to resolve a pulsed force of 100mN with a duration of 100ms at a repetition rate of 1 Hz. By design the thrust balance is very insensitive to external disturbances. This leads to a very low long term drift which could be demonstrated to be smaller than 250 µN over 27 hours within a non-vacuum laboratory environment with only rudimentary decoupling from external influences.

Item URL in elib:https://elib.dlr.de/109951/
Document Type:Conference or Workshop Item (Speech)
Title:Low Drift Thrust Balance with High Resolution
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Harmann, H. P.AST Advanced Space Technologies GmbH, Stru, GermanyUNSPECIFIED
Dartsch, H.AST Advanced Space Technologies GmbH, Stru, GermanyUNSPECIFIED
Werner, Ellenellen.werner (at) dlr.deUNSPECIFIED
Date:2016
Refereed publication:No
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Status:Published
Keywords:electric propulsion, thruster balance, ground testing, vacuum chamber
Event Title:34rd International Electric Propulsion Conference
Event Location:Kobe, Japan
Event Type:international Conference
Event Dates:04. -10. Juli 2015
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Space Transport
DLR - Research area:Raumfahrt
DLR - Program:R RP - Raumtransport
DLR - Research theme (Project):R - Raumfahrzeugsysteme - Anlagen u. Messtechnik
Location: Göttingen
Institutes and Institutions:Institute of Aerodynamics and Flow Technology > Spacecraft
Deposited By: Bachmann, Barbara
Deposited On:04 Jan 2017 10:46
Last Modified:04 Jan 2017 10:46

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