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DC flow in a high frequency miniature pulse-tube cryocooler.

Author(s) : HOU Y. K., JU Y. L., ZHOU Y., et al.

Summary

DC flow in the double-inlet pulse-tube cryocooler is classified as intrinsic DC flow and artificial DC flow. The intrinsic DC flow is generated by the non-linear effect of the oscillating flow in the cooler. It has a fixed direction, which is from the pulse tube to regenerator through the cold end. The artificial DC flow is caused by the asymmetry of the secondary bypass, whose direction can be controlled. In the experiments, the asymmetry spray nozzle with reverse direction used as the secondary bypass can generate artificial DC flow with reverse direction to that of intrinsic DC flow, which can reduce the overall DC flow.

Details

  • Original title: DC flow in a high frequency miniature pulse-tube cryocooler.
  • Record ID : 2006-0007
  • Languages: English
  • Source: Proceedings of the nineteenth International Cryogenic Engineering Conference. ICEC 19.
  • Publication date: 2002/07/22

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