Abstract Ball Aerospace has been working on highly reliableStirling cycle multi-stage mechanical coolers for more than a decade. We have produced, characterized, and delivered one-, two-, and three-stage coolers on a number of programs. Currently we are developing a more producible two-stage cooler with twice the capacity that uses the same envelope. The tendency for larger coolers to be relatively efficient has been a benefit. We have incorporated changes to the motor to improve its electrical efficiency. This paper discusses a full range of qualification testing on the mechanicalunit. We completed thermal characterization to the point of regenerator saturation. We measured vibration export on a 6-axis dynamometer, and carried out vibration testing to 17 Grms. As a result of the vibration tests, we have corrected a few mistakes we made in our zeal to be more producible.
Thermodynamic Performance of the Ball Aerospace Multistage Stirling Cycle Mechanical Cooler
Cryocoolers 12 ; 45-50
2003-01-01
6 pages
Aufsatz/Kapitel (Buch)
Elektronische Ressource
Englisch
Thermodynamic Performance of the Ball Aerospace Multistage Stirling Cycle Mechanical Cooler
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