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Comportement de snubbers en fonction de la pression dans un système à compression d'hydrogène à piston grâce à l'expérimentation et à l'analyse numérique des fluides.

Pressure behaviour in a snubber array of a reciprocating hydrogen compression system by experiment and CFD.

Auteurs : RAHMAN M. S., LEE G. H., LEE K. S., et al.

Résumé

Increasing demand behaviour of non-fossil energy because of fossil-energy is declining; hydrogen energy for high volume is become crucial. Consequently requirement of processing equipment for this occasion is getting raise. One of the most important process is compressing that will increase pressure of hydrogen gas especially for transferring and storing the gas. Because of compression, pressure characteristic by using this compressor's type becomes highly fluctuate. This phenomenon is very bad not only for hydrogen processing itself, but also for lifetime of equipment used. In order to reduce fluctuation of pressure produced by reciprocating compressor, snubber is used. It is a tube that is round-end at sides, inlet and outlet ports and tilt plate inside the tube called buffer. Buffer separates the inlet and outlet. So gas flows from inlet crash the buffer and be distributed to whole part the tube and fluctuation is reduced. An experiment to observe reduction of pressure fluctuation in the compressing system utilizing snubber array has been done. From result obtained, the pressure fluctuations were reduced from 89.9749-94.1617% with pressure loss 1.5013-6.3154% for compressor operation of 20, 25, 30, 35, 40, 45, 50, 55, and 60 Hz. Detail features of pressure and other fluid properties at the point of interest can be calculated for various time steps from CFD simulation after a good agreement with experimental.

Documents disponibles

Format PDF

Pages : pp. 138-142

Disponible

  • Prix public

    20 €

  • Prix membre*

    15 €

* meilleur tarif applicable selon le type d'adhésion (voir le détail des avantages des adhésions individuelles et collectives)

Détails

  • Titre original : Pressure behaviour in a snubber array of a reciprocating hydrogen compression system by experiment and CFD.
  • Identifiant de la fiche : 2010-0749
  • Langues : Anglais
  • Source : ACRA-2009. The proceedings of the 4th Asian conference on refrigeration and air conditioning: May 20-22, 2009, Taipei, R.O.C.
  • Date d'édition : 20/05/2009

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