Abstract
This paper describes the experimental results of multi-stage pulse tube refrigerators with novel staging configuration. Based on a previous study of the multiple staging configuration for the pulse tubes and the characteristics of the pulse tube operated at liquid helium temperature, a three-stage pulse tube refrigerator was fabricated and tested. Pressure oscillation was generated by a valved compressor generally used for G-M cryocoolers. A lowest temperature of 3.6 K has been achieved by this system. The performance of the regenerative tube inserted between the hot end of the third stage pulse tube and its phase shifter located at room temperature has been discussed.
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References
Gao, J.L. and Matsubara, Y., Experimental Investigation of 4 K Pulse Tube Refrigerator, CRYOGENICS, 34, 1 (1994) 25–30.
Matsubara, Y. and Gao, J.L., Novel Configuration of Three-Stage Pulse Tube Refrigerator for Temperatures below 4 K, CRYOGENICS, 34, 4 (1994) 256–262.
Matsubara, Y. and Gao, J.L., Multi-staged Pulse Tube Refrigerator for Superconducting Magnet Applications, Presented in ICEC 15th, 1996.
Gao, J.L., Matsubara, Y., et al, Configuration and Test results of multiple stage pulse tube refrigerator, 50th Meeting on Cryogenics and Superconductivity, Kagashima, Japan (1993) 260.
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© 1995 Springer Science+Business Media New York
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Matsubara, Y., Gao, J.L. (1995). Multi-Stage Pulse Tube Refrigerator for Temperatures below 4 K. In: Ross, R.G. (eds) Cryocoolers 8. Springer, Boston, MA. https://doi.org/10.1007/978-1-4757-9888-3_35
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DOI: https://doi.org/10.1007/978-1-4757-9888-3_35
Publisher Name: Springer, Boston, MA
Print ISBN: 978-1-4757-9890-6
Online ISBN: 978-1-4757-9888-3
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