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An 18 K heat-driven thermoacoustic cryocooler.

Author(s) : HU J. Y., LUO E. C., DAI W.

Summary

A unique coupling device is introduced in a thermoacoustically driven two-stage pulse tube cooler. With the coupling device, the cooler can obtain pressure wave with higher amplitude than the thermoacoustic heat engine itself; in the meantime, the coupling device with an elastic diaphragm assembly allows the thermoacoustic heat engine to use nitrogen gas for a low frequency operating. With these innovative measures, the heat-driven thermoacoustic cryocooler reaches a lowest temperature of 18.1 K.

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Pages: ICR07-A1-813

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Details

  • Original title: An 18 K heat-driven thermoacoustic cryocooler.
  • Record ID : 2007-2405
  • Languages: English
  • Source: ICR 2007. Refrigeration Creates the Future. Proceedings of the 22nd IIR International Congress of Refrigeration.
  • Publication date: 2007/08/21

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