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The Role of Analysis and Testing in the Service Life Assessment of Ion Engines

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dc.contributor.author Polk, James en_US
dc.date.accessioned 2004-10-03T06:04:33Z
dc.date.available 2004-10-03T06:04:33Z
dc.date.issued 1995-09 en_US
dc.identifier.citation Moscow, Russia en_US
dc.identifier.clearanceno 95-1211 en_US
dc.identifier.uri http://hdl.handle.net/2014/31626
dc.description.abstract Experience from tests and flights and engineering analysis represent the two sources of information on which to base conclusions on the reliability or failure risk of aerospace flight systems. It is rarely feasible to establish high reliability at high confidence by testing aerospace flight systems or components. The limitations of testing in evaluating failure risk are discussed and an alternate statistical approach which relies on both test experience and analysis to quantitatively assess reliability is outlined. The implementation of this methodology in the service life assessment of ion thrusters is discussed and examples of failure modes being addressed in the NASA Solar Electric Propulsion Technology Application Readiness (NSTAR) program are given. en_US
dc.format.extent 1701248 bytes
dc.format.mimetype application/pdf
dc.language.iso en_US
dc.subject.other Ion Engine en_US
dc.title The Role of Analysis and Testing in the Service Life Assessment of Ion Engines en_US


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