Abstract Over the past fifteen years Raytheon has developed a line of high reliability, long life, high efficiency flight qualified Stirling cryocoolers. Raytheon is currently manufacturing a low rate production lot of single-stage Stirling (RS1) cryocoolers to support its internal laboratory needs. The cryocooler features an Oxford-class design and is required to provide 3.3 W heat lift at 58K with an operational life in excess of 8 years. Initial testing indicates that this cryocooler has a measured heat lift capability in excess of 4 W at 58K. This paper will discuss performance trades on engineering units currently in test providing insight to effects of screen packing densities, transfer line configuration and operational charge pressure. Good correlation of performance with the analytical model is demonstrated with some path for improvement identified. Life test update of legacy RS1 cryocooler designs is also provided.


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    Title :

    Raytheon RS1 Cryocooler Performance


    Contributors:
    Barr, M. C. (author) / Price, K. D. (author) / Pruitt, G. R. (author)

    Published in:

    Publication date :

    2005-01-01


    Size :

    5 pages




    Type of media :

    Article/Chapter (Book)


    Type of material :

    Electronic Resource


    Language :

    English




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