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Design and Fabrication of a Stirling Thermal Vacuum TestA Stirling Radioisotope Generator (SRG110) is being developed for potential use on future NASA space science missions. The development effort is being conducted by Lockheed Martin under contract to the Department of Energy (DOE). The Stirling Technology Company supplies the free-piston Stirling power convertors, and NASA Glenn Research Center (GRC) provides support to the effort in a range of technologies. This generator features higher efficiency and specific power compared to the currently used alternatives. One potential application for the generator would entail significant cruise time in the vacuum of deep space. A test has been conceived at GRC to demonstrate functionality of the Stirling convertors in a thermal vacuum environment. The test article resembles the configuration of the SRG, however the requirement for low mass was not considered. This test will demonstrate the operation of the Stirling convertors in the thermal vacuum environment, simulating deep space, over an extended period of operation. The analysis, design, and fabrication of the test article will be described in this paper.
Document ID
20040191327
Acquisition Source
Glenn Research Center
Document Type
Technical Memorandum (TM)
Authors
Oriti, Salvatore M. (NASA Glenn Research Center Cleveland, OH, United States)
Schreiber, Jeffrey G. (NASA Glenn Research Center Cleveland, OH, United States)
Date Acquired
September 7, 2013
Publication Date
October 1, 2004
Subject Category
Spacecraft Propulsion And Power
Report/Patent Number
E?14841
NASA/TM-2004-213372
AIAA Paper 2004-5561
Meeting Information
Meeting: Second International Energy Conversion Engineering Conference
Location: Providence, RI
Country: United States
Start Date: August 16, 2004
End Date: August 19, 2004
Sponsors: American Inst. of Aeronautics and Astronautics
Funding Number(s)
WBS: WBS 22-972-20-01
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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