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Characteristics of the double inlet pulse tube.

Author(s) : BOER P. C. T. de

Type of article: Article

Summary

The performance of the double inlet pulse tube (DIPT) is analysed using a linearized model that takes account of the void volume of the regenerator. The maximum rate of refrigeration obtainable with the regenerator is determined as a function of frequency and void volume. The results obtained for the DIPT are compared with corresponding results for the optimized orifice pulse tube refrigerator (OPTR). The large improvements in performance obtained with the DIPT over the OPTR are due primarily to an increase in the pulse tube pressure. The maximum rate of refrigeration decreases as the temperature at the cold side decreases. This is caused primarily from the resulting decrease in cold side flow rate. At given temperature ratio, addition of the second inlet reduces the flow rate through the regenerator over a range of intermediate frequencies.

Details

  • Original title: Characteristics of the double inlet pulse tube.
  • Record ID : 2005-0001
  • Languages: English
  • Source: Cryogenics - vol. 43 - n. 7
  • Publication date: 2003/07

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