NDLI: Summary of stirling convertor testing at nasa glenn research center in support of stirling radioisotope power system development

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Summary of stirling convertor testing at nasa glenn research center in support of stirling radioisotope power system development

Content Provider	NASA Technical Reports Server (NTRS)
Author	Oriti, Salvatore M. Schifer, Nicholas A.
Copyright Year	2013
Description	The NASA Glenn Research Center (GRC) has been testing 100 We class, free-piston Stirling convertors for potential use in Stirling Radioisotope Power Systems (RPS) for space science and exploration missions. Free-piston Stirling convertors are capable of achieving a 38% conversion efficiency, making Stirling attractive for meeting future power system needs in light of the shrinking U.S. plutonium fuel supply. Convertors currently on test include four Stirling Technology Demonstration Convertors (TDCs), manufactured by the Stirling Technology Company (STC), and six Advanced Stirling Convertors (ASCs), manufactured by Sunpower, Inc. Total hours of operation is greater than 514,000 hours (59 years). Several tests have been initiated to demonstrate the functionality of Stirling convertors for space applications, including: in-air extended operation, thermal vacuum extended operation. Other tests have also been conducted to characterize Stirling performance in anticipated mission scenarios. Data collected during testing has been used to support life and reliability estimates, drive design changes and improve quality, and plan for expected mission scenarios. This paper will provide a summary of convertors tested at NASA GRC and discuss lessons learned through extended testing.
File Size	974737
Page Count	22
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_20140011479
Archival Resource Key	ark:/13960/t9x113h5r
Language	English
Publisher Date	2013-11-01
Access Restriction	Open
Subject Keyword	Energy Conversion Efficiency Piston Engines Stirling Cycle Thermodynamics Lessons Learned Radioisotope Heat Sources Systems Engineering Plutonium Reliability Technology Utilization Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Technical Report

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