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Supporting Development for the Stirling Radioisotope Generator and Advanced Stirling Technology Development at NASA Glenn Research Center

Engels | Paperback | 9781289162993 | 28 pagina's

Lanny G Thieme, Jeffrey G Schreiber - 9781289162993

 

Engels | Paperback | 9781289162993 | 28 pagina's

A high-efficiency, 110-We (watts electric) Stirling Radioisotope Generator (SRG110) for possible use on future NASA Space Science missions is being developed by the Department of Energy, Lockheed Martin, Stirling Technology Company (STC), and NASA Glenn Research Center (GRC). Potential mission use includes providing spacecraft onboard electric power for deep space missions and power for unmanned Mars rovers. GRC is conducting an in-house supporting technology project to assist in SRG110 development. One-, three-, and six-month heater head structural benchmark tests have been completed in support of a heater head life assessment. Testing is underway to evaluate the key epoxy bond of the permanent magnets to the linear alternator stator lamination stack. GRC has completed over 10,000 hours of extended duration testing of the Stirling convertors for the SRG110, and a three-year test of two Stirling convertors in a thermal vacuum environment will be starting shortly. GRC is also developing advanced technology for Stirling convertors, aimed at substantially improving the specific power and efficiency of the convertor and the overall generator. Sunpower, Inc. has begun the development of a lightweight Stirling convertor, under a NASA Research Announcement (NRA) award, that has the potential to double the system specific power to about 8 We/kg. GRC has performed random vibration testing of a lower-power version of this convertor to evaluate robustness for surviving launch vibrations. STC has also completed the initial design of a lightweight convertor. Status of the development of a multi-dimensional computational fluid dynamics code and high-temperature materials work on advanced superalloys, refractory metal alloys, and ceramics are also discussed.

 

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Supporting Development for the Stirling Radioisotope Generator and Advanced Stirling Technology Development at NASA Glenn Research Center Engels | Paperback | 9781289162993 | 28 pagina's
TaalEngels
BindwijzePaperback
Verschijningsdatum2013-07-15
Aantal pagina's28 pagina's
IllustratiesMet illustraties
Auteur(s)Lanny G Thieme | Jeffrey G Schreiber
UitgeverBibliogov
Extra groot lettertypeNee
Gewicht68 g
Oorspronkelijke releasedatum2013-07-15
Verpakking breedte189 mm
Verpakking hoogte2 mm
Verpakking lengte246 mm



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