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Performances actualisées et caractéristiques de fonctionnement d’un nouveau compresseur rotatif à bobine. 

Updated performance and operating characteristics of a novel rotating spool compressor.

Numéro : 1119

Auteurs : OROSZ J., KEMP G., BRADSHAW C. R., GROLL E. A.

Résumé

The novel rotary spool compressor mechanism has been described previously by Kemp et al. (2008, 2010). The device combines various aspects of rotary and reciprocating devices that are well understood. Increasing pressure on the global air conditioning market for adoption of ultra-low GWP refrigerants has motivated extensive modeling to develop a spool compressor design for operation on medium pressure ultra-low GWP refrigerants. Continued development of the direct drive compressor presented by Orosz et al. (2016) has resulted in a reliable high-performance compressor with peak overall isentropic efficiencies at 80% when operating on R134a. This makes the spool compressor well suited for ultra-low GWP medium pressure gases for use in commercial air conditioning and heat pumps. Various design modifications and changes to the spool compressor valve design have been implemented since the previous performance data was presented. Valve modifications were necessary to meet the reliability targets while maintaining high overall performance. Spool compressors with new valve designs were tested over a range of operating conditions typical for commercial air-conditioning and heat pump applications. The current compressor performance is superior to today’s screw compressors operating in this size range and competitive to similar sized scroll compressors operating on R410A. Spool compressor test results are reported.

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Pages : 9 p.

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Détails

  • Titre original : Updated performance and operating characteristics of a novel rotating spool compressor.
  • Identifiant de la fiche : 30030263
  • Langues : Anglais
  • Sujet : Technologie
  • Source : 2022 Purdue Conferences. 26th International Compressor Engineering Conference at Purdue.
  • Date d'édition : 15/07/2022

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