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The CORA CO2 cooling plant.

Number: pap. n. 239

Author(s) : BHANOT V., ZWALINSKI L., NOITE J., et al.

Summary

CO2 has emerged as a promising alternative to currently existing cooling fluids. In detector cooling applications particularly, CO2 is proving to be an excellent candidate. Detectors impose very tight mass and space constraints and CO2 systems score well on both these parameters. In addition it possesses high heat transfer capabilities and performs well even under high pressure drops. To test the feasibility of employing a CO2-based cooling system on future CMS and ATLAS detectors, a test bench has been set-up at the CERN. The test bench, called CORA (CO2 Research Apparatus), uses the principle of two-phase accumulator controlled loop (2PACL) used successfully on the AMS and LHCb detectors (Verlaat, 2007). The test bench has been designed to be capable of accommodating large volume experiments while still maintaining flexibility. It features a control system which is serving as a platform on which to develop future LHC detector cooling control systems. This paper gives an overview of CORA. The operating principle of the plant is described and the control system is discussed. Cool-down data is given to highlight the performance characteristics of the system.

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Pages: 7 p.

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Details

  • Original title: The CORA CO2 cooling plant.
  • Record ID : 30004543
  • Languages: English
  • Source: 10th IIR-Gustav Lorentzen Conference on Natural Working Fluids (GL2012). Proceedings. Delft, The Netherlands, June 25-27, 2012.
  • Publication date: 2012/06/25

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