Abstract A Stirling cryocooler for high temperature superconducting devices has been developed. High efficiency and long lifetime are emphasized in the development. Its performance is 6 W at 70 K with 150 W input under 23°C ambient conditions; at 50°C ambient, it produces 5 W at 70 K with 150 W consumption. The mean time before failure for the design is over 40,000 hours. Flexure springs are used to support the compressor cylinders and the displacer in the cold head to realize this lifetime. The flexure springs are designed using finite element modeling (FEM) to reduce the stress to below the fatigue limit.


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    Title :

    Development of a Long-Life Stirling Cryocooler


    Contributors:
    Ikuta, Y. (author) / Suzuki, Y. (author) / Kanao, K. (author) / Watanabe, N. (author)

    Published in:

    Publication date :

    2002-01-01


    Size :

    6 pages




    Type of media :

    Article/Chapter (Book)


    Type of material :

    Electronic Resource


    Language :

    English




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