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Experimental investigation on mixed refrigerant Joule-Thomson cryocooler with flammable and non-flammable refrigerant mixtures.

Author(s) : WALIMBE N. S., NARAYANKHEDKAR K. G., ATREY M. D.

Type of article: Article

Summary

The mixed refrigerant Joule-Thomson (MR J-T) cryocoolers have a wide application area covering the temperature range from 80 to 200 K. The significant advantages of the system are simplicity of its design and working reliability with high level performance. This paper discusses the experimental results of MR J-T cooler with different flammable and non-flammable mixture compositions. The work highlights the use of pressure-enthalpy and temperature-enthalpy diagrams for these mixtures to support the experimental results. A record lowest temperature of 65 K and a cooling capacity of 6 W at 80 K are obtained for a single stage MR J-T system starting at 300 K. Further, using a mixture of minimum flammable refrigerants, temperatures below 100 K is achieved. [Reprinted with permission from Elsevier. Copyright, 2010].

Details

  • Original title: Experimental investigation on mixed refrigerant Joule-Thomson cryocooler with flammable and non-flammable refrigerant mixtures.
  • Record ID : 2011-0002
  • Languages: English
  • Source: Cryogenics - vol. 50 - n. 10
  • Publication date: 2010/10
  • DOI: http://dx.doi.org/10.1016/j.cryogenics.2010.06.002

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