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Document IIF

Système universel à tête flottante.

A universal floating head system.

Auteurs : DAVIES T. W.

Résumé

The power consumed by a direct expansion refrigeration system in providing a given refrigeration effect is reduced if the condensing temperature is lowered, if the liquid is sub-cooled, if the evaporator temperature is raised, if the amount of refrigerant circulating is reduced, if the circulating velocities are reduced to the minimum required for oil return and if vapour formation in the liquid lines is suppressed. The paper describes an engineering solution to the problem of designing a large direct expansion system suitable for use in supermarkets which incorporates all the above desirable features and is predicted to save up to 30% of the energy used by existing systems to meet a given refrigeration load, depending on the climatic region. The refrigerant inventory is reduced and consequently so are losses. Furthermore, this new system is readily adapted to use environmentally acceptable refrigerants such as carbon dioxide, hydrocarbons and ammonia.

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  • Prix public

    20 €

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    Gratuit

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Détails

  • Titre original : A universal floating head system.
  • Identifiant de la fiche : 2004-1113
  • Langues : Anglais
  • Source : 21st IIR International Congress of Refrigeration: Serving the Needs of Mankind.
  • Date d'édition : 17/08/2003

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