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Standard Practices for Usage of Inductive Magnetic Field Probes with Application to Electric Propulsion TestingInductive magnetic field probes (also known as B-dot probes and sometimes as B-probes or magnetic probes) are often employed to perform field measurements in electric propulsion applications where there are time-varying fields. Magnetic field probes provide the means to measure these magnetic fields and can even be used to measure the plasma current density indirectly through the application of Ampere's law. Measurements of this type can yield either global information related to a thruster and its performance or detailed, local data related to the specific physical processes occurring in the plasma. Results of the development of a standard for B-dot probe measurements are presented, condensing the available literature on the subject into an accessible set of rules, guidelines, and techniques to standardize the performance and presentation of future measurements.
Document ID
20140003983
Acquisition Source
Marshall Space Flight Center
Document Type
Conference Paper
Authors
Polzin, Kurt A.
(NASA Marshall Space Flight Center Huntsville, AL, United States)
Hill, Carrie S.
(Engineering Research and Consulting, Inc. Mountain View, CA, United States)
Turchi, Peter J.
(Los Alamos National Lab. NM, United States)
Burton, Rodney L.
(Illinois Univ. at Urbana-Champaign Urbana, IL, United States)
Messer, Sarah
(HyperV Technologies Corp. Chantilly, VA, United States)
Lovberg, Ralph H.
(California Univ. La Jolla, CA, United States)
Hallock, Ashley K.
(Yetispace, Inc. Huntsville, AL, United States)
Date Acquired
April 28, 2014
Publication Date
October 6, 2013
Subject Category
Spacecraft Design, Testing And Performance
Instrumentation And Photography
Report/Patent Number
IEPC-2013-392
M13-3042
Meeting Information
Meeting: International Electric Propulsion Conference (IEPC2013)
Location: Washington, DC
Country: United States
Start Date: October 6, 2013
End Date: October 10, 2013
Sponsors: Electric Rocket Propulsion Society
Distribution Limits
Public
Copyright
Other

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