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Please use this identifier to cite or link to this item: http://hdl.handle.net/2014/40099

Title: Validation database based thermal analysis of an advanced RPS concept.
Authors: Balint, Tibor S.
Emis, Nickolas D.
Keywords: Radioisotope Power Systems (RPS)
advamced Radioisotope Power Systems (ARPS)
thermal analysis
numerical model
validation
Issue Date: 12-Feb-2006
Publisher: Pasadena, CA : Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2005.
Citation: Space Technology and Applications International Forum, STAIF-2006, Albuquerque, NM, February 12-16, 2006.
Abstract: Advanced RPS concepts can be conceived, designed and assessed using high-end computational analysis tools. These predictions may provide an initial insight into the potential performance of these models, but verification and validation are necessary and required steps to gain confidence in the numerical analysis results. This paper discusses the findings from a numerical validation exercise for a small advanced RPS concept, based on a thermal analysis methodology developed at JPL and on a validation database obtained from experiments performed at Oregon State University. Both the numerical and experimental configurations utilized a single GPHS module enabled design, resembling a Mod-RTG concept. The analysis focused on operating and environmental conditions during the storage phase only. This validation exercise helped to refine key thermal analysis and modeling parameters, such as heat transfer coefficients, and conductivity and radiation heat transfer values. Improved understanding of the Mod-RTG concept through validation of the thermal model allows for future improvements to this power system concept.
URI: http://hdl.handle.net/2014/40099
Appears in Collections:JPL TRS 1992+

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