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Dynamics Study of the Rhodotron Accelerator

Author: ChenYong
Tutor: TangChuanXiang
School: Tsinghua University
Course: Nuclear Science and Technology
Keywords: Rhodotron Parmela beam dynamics simulation longitudinal dynamics transverse focusing
CLC: TL50
Type: Master's thesis
Year: 2005
Downloads: 86
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Abstract


The Rhodotron, a new CW electron accelerator, has been applied widelyin many fields of industrial irradiation. Based on acceleration principle of theRhodotron, a systematic research method combining theoretical analyses anddynamics simulation is introduced. It is very helpful to develop this kind ofelectron accelerator for industrial irradiation independently.Through broad investigation, this paper generalizes some features fromthis kind of accelerators: compact structure, CW mode, high output power andso on. Then, this paper not only makes a comprehensive analysis on structureand functions of all of subsystems of the Rhodotron, but also studies somephysics problems further such as synchronous condition, longitudinaloscillation and transverse focusing.The result of simulating single particle acceleration process byRunge-Kutta method is compared with dynamics simulation by Parmela code.Their similarity validates the research method by Parmela code. Then beamdynamics characteristics simulations of the Rhodotron is performed includinglongitude phase convergence transverse beam focusing, space charge effectand so on.Moreover this paper studies the operating characteristics such as workingfrequency, RF power, injecting voltage and beam load. By generalizing theirregularities, this paper gives the optimization rule of choosing the operatingparameters. Based on the rule, the simulation results agree with theoperational parameters of the Rhodotron prototype. It confirms the researchmethod’s feasibility.

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CLC: > Industrial Technology > Nuclear technology > Accelerator > General issues
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