Design and Fabrication of a Stirling Thermal Vacuum Test

Oriti, Salvatore M.; Schreiber, Jeffrey G.

doi:10.2514/6.2004-5561

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Heater Head Heat Flux Assumptions1

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Cited by 4 publications

(2 citation statements)

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“…Some components of the generator package are already undergoing evaluation. NASA GRC performed a thermal vacuum test as part of the generators heat rejection design evaluation (Oriti, 2004). This test included two of STC's Stirling engines, to demonstrate operation in a vacuum chamber.…”

Section: Introductionmentioning

confidence: 99%

Trade-Off Study for an STC 70 W Stirling Engine

Qiu¹

2005

AIP Conference Proceedings

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A high-efficiency, low-weight free-piston Stirling generator, RG-70L, has been conceptually designed. This paper reports the detailed trade-off study of newly designed RG-70L. The trades of operating frequency and piston/displacer strokes on Stirling convertor mass and efficiency are discussed. This paper shows how the operating frequency and strokes were optimized based on the trades. Losses associated with increased frequency were fully investigated and the results are discussed in the paper. Various optional linear alternator configurations are also presented and the estimated masses are reported.

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Section: Introductionmentioning

confidence: 99%

Trade-Off Study for an STC 70 W Stirling Engine

Qiu¹

2005

AIP Conference Proceedings

View full text Add to dashboard Cite

show abstract

“…For example, a previous analysis for a thermal vacuum test rig assumed a 15K temperature drop along the length of the acceptor and a constant heat flux. 7 In Fig. 4(a) heat conduction from an electric source is used to heat the acceptor.…”

Section: Heater Head Heat Flux Assumptionsmentioning

confidence: 99%