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Optimisation de la conception du diamètre du cylindre bi-étagé pour améliorer les performances d’un compresseur linéaire au dioxyde de carbone à double piston.

Optimal design of two-stage cylinder diameters for enhanced performance in a dual-piston carbon dioxide linear compressor.

Numéro : 1184

Auteurs : TANG M., KONG F., ZOU H., ZHANG S., HU Z., TIAN C.

Résumé

Based on a previously proposed novel dual-piston two-stage carbon dioxide (CO2) linear compressor, this research aims to improve overall system performance and efficiency by purposefully exploring the optimal design of the two-stage cylinder diameter. A comprehensive simulation model is developed to analyze the dynamic characteristics and performance implications associated with varying cylinder diameters in the two-stage configuration. The study explores the influence of cylinder diameter on gas forces, moving center offset, and compression process leakage. The results show that through the optimized design of the two-stage cylinder diameter, the piston offset can be reduced by more than 50% and the relative leakage loss can be reduced by 4%. Under 12 MPa discharge pressure, a relative efficiency improvement of 5.27% can be achieved. Designing the diameter of the second-stage piston using the central intermediate pressure difference percent as the intermediate pressure is a more effective approach.

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Format PDF

Pages : 10 p.

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  • Prix public

    20 €

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    Gratuit

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Détails

  • Titre original : Optimal design of two-stage cylinder diameters for enhanced performance in a dual-piston carbon dioxide linear compressor.
  • Identifiant de la fiche : 30032699
  • Langues : Anglais
  • Sujet : Technologie
  • Source : 16th IIR-Gustav Lorentzen Conference on Natural Refrigerants (GL2024). Proceedings. University of Maryland, College Park, Maryland, USA, August 11-14 2024
  • Date d'édition : 08/2024
  • DOI : http://dx.doi.org/10.18462/iir.gl2024.1184

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