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Document IIF

Expérience de températures ambiantes élevées dans le domaine du froid maritime.

Experience of high ambient temperature from marine refrigeration.

Numéro : 1165

Auteurs : LAWTON R., RHODES C., MYNOTT T.

Résumé

Containerised refrigeration systems are designed to operate across a broad ambient temperature spectrum ranging from as low as -30 °C to as high as 50 °C in accordance with design requirements of ISO1496-2:2018. Whilst the majority of shipments are at well within this range, operation at 50 °C in container holds is relatively common. Vessels holds are cooled either by ambient air or seawater. With tens or hundreds of 40’ containers, each with their own refrigeration system, operating in the holds, temperatures of 50°C and above are easily achieved. The HFC refrigerants currently used by the marine industry, HFC-134a and HFC-404A, operate somewhat differently once the temperature goes beyond the design specification. A marine CO2 system is offered by one manufacturer therefore CO2 operation shall also be discussed. It is found that operation in high ambients – even beyond 50 °C - is possible however it comes with coefficient of performance (CoP) losses.

Documents disponibles

Format PDF

Pages : 8 p.

Disponible

  • Prix public

    20 €

  • Prix membre*

    Gratuit

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

Détails

  • Titre original : Experience of high ambient temperature from marine refrigeration.
  • Identifiant de la fiche : 30034198
  • Langues : Anglais
  • Sujet : Technologie
  • Source : 1st IIR International Conference on Refrigeration Adapting to Rising Temperatures
  • Date d'édition : 08/2025
  • DOI : http://dx.doi.org/10.18462/iir.adaptation.2024.1165

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