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Setup and characterisation of a multi-purpose test rig for R744 refrigerating cycles and equipment.

Installation et caractérisation d'un banc d'essai polyvalent utilisé pour tester les cycles frigorifiques et les équipements fonctionnant au R744.

Auteurs : CHESI A., FERRARA G., FERRARI L., et al.

Type d'article : Article, Article de la RIF


Following a widespread trend in international research on R744 cooling applications, the authors have developed a test rig for investigating refrigerating cycles and equipment which operates with such refrigerant. The facility was designed aiming to a compact layout and to a high flexibility in terms of cycles and pieces of equipment to be tested. The test rig can operate stand-alone thanks to a passive load management system which works with water as secondary fluid. The paper gives some useful data, based on direct experience, for the realization and management of a multi-purpose test rig that allows the analysis of several cycle layouts over wide operating ranges. Some of the main critical issues related to proper plant and component design, a correct choice of the measurement equipment and a suitable system management are shown and discussed. The paper also includes experimental data obtained while testing a reciprocating compressor and a single-stage cycle layout both with and without using an internal heat exchanger.

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Format PDF

Pages : 1848-1859


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  • Titre original : Setup and characterisation of a multi-purpose test rig for R744 refrigerating cycles and equipment.
  • Identifiant de la fiche : 30005896
  • Langues : Anglais
  • Source : International Journal of Refrigeration - Revue Internationale du Froid - vol. 35 - n. 7
  • Date d'édition : 11/2012


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