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对一个新型、紧凑、高效的电子直线加速器的加速管的设计 ,进行了等阻抗与等梯度两种结构的比较研究 .对于使用一个 5MW速调管的能量和相位经过选择的用毕束流注入到两种加速管的情况应用Parmela程序进行了模拟计算 .说明宜于加工和调试的等阻抗加速管更为适宜 .最后 ,简单地讨论了如用更高功率 (如 30MW ,相应加速能量约为 30MeV)的速调管用毕束流作为这种新型加速器的注入束时 ,等阻抗加速结构除了在设计、加工、调试中的简单易行外 ,同时模拟结果表明整个加速管无需外加横向聚焦磁场 .
A new type of compact, efficient electron linear accelerator is designed for accelerating tubes with equal impedances and isostructural gradients. For a 5 MW klystron tube with a selected beam of energy and phase, In the case of two types of accelerating tubes, the Parmela program is used to simulate the simulation, which shows that it is more suitable to use the impedances of processing and debugging impedances.Finally, a brief discussion is made on how to use the higher power (eg 30MW, corresponding accelerating energy about 30MeV) klystron beam is used as the injection beam of this new type of accelerator. In addition to the simple design, processing and debugging of the iso-impedance structure, the simulation results show that there is no need to apply the transverse focusing magnetic field to the whole accelerating tube.