The European Spallation Source (ESS) is a multi-disciplinary research centre under design and construction in Lund, Sweden. This new facility is funded by a collaboration of 17 European countries and is expected to be up to 30 times brighter than today’s leading facilities and neutron sources. The ESS will enable new opportunities for researchers in the fields of life sciences, energy, environmental technology, cultural heritage and fundamental physics. A 5 MW long pulse proton accelerator is used to reach this goal. The pulsed length is 2.86 ms, the repetition frequency is 14 Hz (4 % duty cycle), and the beam current is 62.5 mA. The superconducting section of the Linac accelerates the beam from 80 MeV to 2.0 GeV. It is composed of one string of spoke cavity cryomodule and two strings of elliptical cavity cryomodules. These cryomodules contain four elliptical Niobium cavities operating at 2 K and at a frequency of 704.42 MHz. This paper introduces the thermo-mechanical design, the prototyping and the expected operation of the ESS elliptical cavity cryomodules. An Elliptical Cavity Cryomodule Technology Demonstrator (ECCTD) will be built and tested in order to validate the ESS series production.
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29 January 2014
ADVANCES IN CRYOGENIC ENGINEERING: Transactions of the Cryogenic Engineering Conference - CEC
17–21 June 2013
Anchorage, Alaska, USA
Research Article|
January 29 2014
The ESS elliptical cavity cryomodules
Pierre Bosland;
Pierre Bosland
CEA-Saclay, 91191 Gif-sur-Yvette,
France
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Guillaume Devanz;
Guillaume Devanz
CEA-Saclay, 91191 Gif-sur-Yvette,
France
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Gilles Olivier;
Gilles Olivier
CNRS/IN2P3, IPN Orsay,
France
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Bertrand Renard;
Bertrand Renard
CEA-Saclay, 91191 Gif-sur-Yvette,
France
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Jean-Pierre Thermeau
Jean-Pierre Thermeau
CNRS/IN2P3, IPN Orsay,
France
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AIP Conf. Proc. 1573, 639–646 (2014)
Citation
Christine Darve, Pierre Bosland, Guillaume Devanz, Gilles Olivier, Bertrand Renard, Jean-Pierre Thermeau; The ESS elliptical cavity cryomodules. AIP Conf. Proc. 29 January 2014; 1573 (1): 639–646. https://doi.org/10.1063/1.4860762
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