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Communication Dans Un Congrès Année : 2017

Recent RF and Mechanical Developments for the ESS RFQ

Résumé

The ESS Radio-Frequency Quadrupole (RFQ) is a 4-vane resonant cavity designed at the frequency of 352.21 MHz frequency. It must accelerate and bunch a 70 mA proton beams from 75 keV to 3.62 Mev of energy with a 4% duty cycle. The current 3D design evolved and is currently divided in 5 segments for a total length of 4.54 m. This paper presents a complete radiofrequency (RF) analysis using the ANSYS Multiphysics 3D RF simulating code HFSS and a RFQ 4-wire transmission line model (TLM). It describes the integrated cooling strategy based on a coupling between the RF power losses and the thermo-mechanical physics in order to allow a proper RFQ tuning once under operation.
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Dates et versions

hal-01645948 , version 1 (23-11-2017)

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Nicolas Misiara, Anthony Albéri, Gilles Bourdelle, Anne-Catherine Chauveau, Didier Chirpaz-Cerbat, et al.. Recent RF and Mechanical Developments for the ESS RFQ. 28th International Linear Accelerator Conference, Sep 2016, East Lansing, United States. pp.THPLR054, ⟨10.18429/JACoW-LINAC2016-THPLR054⟩. ⟨hal-01645948⟩
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