Thermal Analysis of CSNS RFQ

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OUYANG Hua-Fu and YAO Yuan. Thermal Analysis of CSNS RFQ[J]. Chinese Physics C, 2007, 31(12): 1116-1121.
OUYANG Hua-Fu and YAO Yuan. Thermal Analysis of CSNS RFQ[J]. Chinese Physics C, 2007, 31(12): 1116-1121. shu
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Received: 2006-12-06
Revised: 2007-01-08
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Thermal Analysis of CSNS RFQ

    Corresponding author: OUYANG Hua-Fu,
  • Accelerator Center, Institute of High Energy Physics, CAS, Beijing 100049, China

Abstract: Water-cooling serves two functions in an RFQ. One is to take away the power dissipated on the inside surface of the RFQ by the RF field to maintain the thermal stability and to limit the deformation of RFQ. The other is to be used to tune the RFQ basically without effecting the field distribution when the RFQ is out of resonance, since the beam transmission of RFQ is very sensitive to the field profile, the ordinary frequency tuning method by the movable tuners is no more adopted in an RFQ operation. The cooling water channel position and number, as well as the optimum cooling water temperature are determined through thermal analysis. In addition, the tuning method by adjusting the cooling water temperature is determined when the RFQ is out of resonance.

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