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Conception d’une installation d’essai cryogénique pour un turbo-détendeur à multiples configurations destiné à une installation d’hélium liquide.

Design of cryogenic test facility for turbo-expander of different configurations for liquid helium plant.

Numéro : pap. n. 77

Auteurs : SAHU A., DAVE H.

Résumé

The indigenous Helium Refrigerator/Liquefier (HRL) which is under design phase at Institute for Plasma Research (IPR) will have equivalent refrigeration capacity of ~ 1 kW at 4.5 K. The planned indigenous HRL will have 3 turbines as expansion machines to produce cooling effect and these will be purchased from global market. These 3 turbines will be tested at its operating temperature between 35 to 6 K and pressure about 14 to 1.2 bar. This test facility will have significant instrumentations and controls along with appropriate heat exchangers to help to reach to required low temperature and to diagnose the faults, if any and measure the performances. The turbines developed indigenously in future will also be tested in this test facility. This chamber is designed to accommodate turbines of both horizontal and vertical configurations with provision of testing the operation, control and performances of turbines having series connection configuration. This paper will discuss about the design concept of test chamber, accommodating different test configurations, layout scheme of heat exchangers, piping, valves and instrumentations, pressure drops and thermal load and thermal stress analysis results.

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Détails

  • Titre original : Design of cryogenic test facility for turbo-expander of different configurations for liquid helium plant.
  • Identifiant de la fiche : 30021765
  • Langues : Anglais
  • Source : Cryogenics 2017. Proceedings of the 14th IIR International Conference: Dresden, Germany, Mai 15-19, 2017.
  • Date d'édition : 15/05/2017
  • DOI : http://dx.doi.org/10.18462/iir.cryo.2017.0077

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