NASA NTRS · 19860001915
Low frequency split cycle cryocooler
Abstract
A split cycle Stirling cryocooler with two different drive motors and operating at a low drive frequency can have high thermodynamic efficiency. The temperature of the cold end of the cryocooler varies with drive frequency, voltage of the input electrical power and initial charge pressure values. The cryocooler operating at 8 Hz can provide 7 watts of refrigeration at 77 K for 230 watts of electrical input power.
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Bian, S. X., Zhang, Y. D., Wan, W. W., Wang, L., Hu, Q. C.. 1985-05-01. Low frequency split cycle cryocooler. https://ntrs.nasa.gov/citations/19860001915
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