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Ion propulsion cost effectivityIon propulsion modules employing 8 cm thrusters and 30 cm thrusters were studied for Multimission Modular Spacecraft (MMS) applications. Recurring and non-recurring cost elements were generated for these modules. As a result, ion propulsion cost drivers were identified to be Shuttle charges, solar array, power processing, and thruster costs. Cost effective design approaches included short length module configurations, array power sharing, operation at reduced thruster input power (reduced solar array size), simplified power processing units, and power processor output switching.
Document ID
19800029142
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Zafran, S.
(TRW Defense and Space Systems Group Redondo Beach, CA, United States)
Biess, J. J.
(TRW Defense and Space Systems Group Redondo Beach, Calif., United States)
Callens, R. A.
(NASA Goddard Space Flight Center; Cryogenics, Propulsion and Fluid Systems Branch, Greenbelt Md., United States)
Date Acquired
August 10, 2013
Publication Date
October 1, 1979
Subject Category
Spacecraft Propulsion And Power
Report/Patent Number
AIAA PAPER 79-2108
Meeting Information
Meeting: International Electric Propulsion Conference
Location: Princeton, NJ
Start Date: October 30, 1979
End Date: November 1, 1979
Sponsors: Princeton University, AIAA, and DGLR,
Accession Number
80A13312
Funding Number(s)
CONTRACT_GRANT: NAS5-23453
Distribution Limits
Public
Copyright
Other

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