A Cryogenic High-Reynolds Turbulence Experiment at CERN
The potential of cryogenic helium flows for studying high-Reynolds number turbulence in the laboratory has been recognised for a long time and implemented in several small-scale hydrodynamic experiments. With its large superconducting particle accelerators and detector magnets, CERN, the European La...
Autores principales: | , , , , , , , , , , , , , , , , , , , |
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Lenguaje: | eng |
Publicado: |
2001
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Materias: | |
Acceso en línea: | https://dx.doi.org/10.1063/1.1472170 http://cds.cern.ch/record/525104 |
_version_ | 1780897885377789952 |
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author | Bézaguet, Alain-Arthur Dauvergne, J P Knoops, S Lebrun, P Pezzetti, M Pirotte, O Bret, J L Chabaud, B Garde, G Guttin, C Hébral, B Pietropinto, S Roche, P Barbier-Neyret, J P Baudet, C Gagne, Y Poulain, C Castaing, B Ladam, Y Vittoz, F |
author_facet | Bézaguet, Alain-Arthur Dauvergne, J P Knoops, S Lebrun, P Pezzetti, M Pirotte, O Bret, J L Chabaud, B Garde, G Guttin, C Hébral, B Pietropinto, S Roche, P Barbier-Neyret, J P Baudet, C Gagne, Y Poulain, C Castaing, B Ladam, Y Vittoz, F |
author_sort | Bézaguet, Alain-Arthur |
collection | CERN |
description | The potential of cryogenic helium flows for studying high-Reynolds number turbulence in the laboratory has been recognised for a long time and implemented in several small-scale hydrodynamic experiments. With its large superconducting particle accelerators and detector magnets, CERN, the European Laboratory for Particle Physics, has become a major world center in helium cryogenics, with several large helium refrigerators having capacities up to 18 kW @ 4.5 K. Combining a small fraction of these resources with the expertise of three laboratories at the forefront of turbulence research, has led to the design, swift implementation, and successful operation of GReC (Grands Reynolds Cryogéniques) a large axisymmetric turbulent-jet experiment. With flow-rates up to 260 g/s of gaseous helium at ~ 5 K and atmospheric pressure, Reynolds numbers up to 107 have been achieved in a 4.6 m high, 1.4 m diameter cryostat. This paper presents the results of the first runs and describes the experimental set-up comprehensively equipped with "hot" wire micro-anemometers, acoustic scattering vorticity measurements and a large-bandwidth data acquisition system. |
id | cern-525104 |
institution | Organización Europea para la Investigación Nuclear |
language | eng |
publishDate | 2001 |
record_format | invenio |
spelling | cern-5251042023-05-31T14:19:15Zdoi:10.1063/1.1472170http://cds.cern.ch/record/525104engBézaguet, Alain-ArthurDauvergne, J PKnoops, SLebrun, PPezzetti, MPirotte, OBret, J LChabaud, BGarde, GGuttin, CHébral, BPietropinto, SRoche, PBarbier-Neyret, J PBaudet, CGagne, YPoulain, CCastaing, BLadam, YVittoz, FA Cryogenic High-Reynolds Turbulence Experiment at CERNAccelerators and Storage RingsThe potential of cryogenic helium flows for studying high-Reynolds number turbulence in the laboratory has been recognised for a long time and implemented in several small-scale hydrodynamic experiments. With its large superconducting particle accelerators and detector magnets, CERN, the European Laboratory for Particle Physics, has become a major world center in helium cryogenics, with several large helium refrigerators having capacities up to 18 kW @ 4.5 K. Combining a small fraction of these resources with the expertise of three laboratories at the forefront of turbulence research, has led to the design, swift implementation, and successful operation of GReC (Grands Reynolds Cryogéniques) a large axisymmetric turbulent-jet experiment. With flow-rates up to 260 g/s of gaseous helium at ~ 5 K and atmospheric pressure, Reynolds numbers up to 107 have been achieved in a 4.6 m high, 1.4 m diameter cryostat. This paper presents the results of the first runs and describes the experimental set-up comprehensively equipped with "hot" wire micro-anemometers, acoustic scattering vorticity measurements and a large-bandwidth data acquisition system.CERN-LHC-2001-006-ECRoai:cds.cern.ch:5251042001-11-02 |
spellingShingle | Accelerators and Storage Rings Bézaguet, Alain-Arthur Dauvergne, J P Knoops, S Lebrun, P Pezzetti, M Pirotte, O Bret, J L Chabaud, B Garde, G Guttin, C Hébral, B Pietropinto, S Roche, P Barbier-Neyret, J P Baudet, C Gagne, Y Poulain, C Castaing, B Ladam, Y Vittoz, F A Cryogenic High-Reynolds Turbulence Experiment at CERN |
title | A Cryogenic High-Reynolds Turbulence Experiment at CERN |
title_full | A Cryogenic High-Reynolds Turbulence Experiment at CERN |
title_fullStr | A Cryogenic High-Reynolds Turbulence Experiment at CERN |
title_full_unstemmed | A Cryogenic High-Reynolds Turbulence Experiment at CERN |
title_short | A Cryogenic High-Reynolds Turbulence Experiment at CERN |
title_sort | cryogenic high-reynolds turbulence experiment at cern |
topic | Accelerators and Storage Rings |
url | https://dx.doi.org/10.1063/1.1472170 http://cds.cern.ch/record/525104 |
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