Keyword: medical-accelerators
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WEPSB35 Thermal Simulations of the Biperiodical Accelerating Structure with the Operating Frequency 27 GHz simulation, coupling, linac, electron 237
 
  • Yu.D. Kliuchevskaia, S.M. Polozov
    MEPhI, Moscow, Russia
 
  Biperiodical accelerating structure (BAS) represents an accelerating structure based on disk loaded waveguide (DLW) with π/2 operation mode. The 1 cm band structure will have very compact transverse size. Such characteristics give it perspective to use in medical accelerators. The results of beam dynamics simulation and electrodynamics study was discussed early. It will important to study the BAS electrodynamics taking into account thermal processes in structure and to design the cooling system. It is important because of the high pulse RF power (about 1.5 MW) necessary for the beam acceleration. The simulation results which are defined using CST code will presented in report. Calculation and determination of the thermolysis coefficient depending on speed, temperature and the water flow direction will make.