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

Author(s) : CHESI A., FERRARA G., FERRARI L., et al.

Type of article: Article, IJR article

Summary

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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Pages: 1848-1859

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Details

  • Original title: Setup and characterisation of a multi-purpose test rig for R744 refrigerating cycles and equipment.
  • Record ID : 30005896
  • Languages: English
  • Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 35 - n. 7
  • Publication date: 2012/11

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