中国科学院近代物理研究所医用重离子加速器(HIMM)高频系统31.02 MHz回旋加速器谐振腔已完成设计加工和腔体的老炼,并投入正常运行。高频腔体的设计峰值Dee电压要求达到70 k V,但是Dee电压准确计算比较困难,可以通过CST仿真软件对腔体...中国科学院近代物理研究所医用重离子加速器(HIMM)高频系统31.02 MHz回旋加速器谐振腔已完成设计加工和腔体的老炼,并投入正常运行。高频腔体的设计峰值Dee电压要求达到70 k V,但是Dee电压准确计算比较困难,可以通过CST仿真软件对腔体进行模拟得到高频腔体的RP/Q0值,结合输入到腔体的实际功率,计算出腔体的实际电压值。为了验证Dee电压的准确性,在相同的腔体输入功率条件下,利用韧致辐射法测量腔体电压,测量结果与计算结果误差在0.6%以内。展开更多
In a cyclotron,the RF cavity is the key device to accelerate ions.The RF cavity design for the 100MeV H^- cyclotron is very complex since the space is narrow and the Dee voltage is 60kV at the center and 120kV at the ...In a cyclotron,the RF cavity is the key device to accelerate ions.The RF cavity design for the 100MeV H^- cyclotron is very complex since the space is narrow and the Dee voltage is 60kV at the center and 120kV at the extraction region.CST MICROWAVE STUDIO is used in the design,and a real model has been made.The test result on the model is in good agreement with the simulation result.展开更多
文摘中国科学院近代物理研究所医用重离子加速器(HIMM)高频系统31.02 MHz回旋加速器谐振腔已完成设计加工和腔体的老炼,并投入正常运行。高频腔体的设计峰值Dee电压要求达到70 k V,但是Dee电压准确计算比较困难,可以通过CST仿真软件对腔体进行模拟得到高频腔体的RP/Q0值,结合输入到腔体的实际功率,计算出腔体的实际电压值。为了验证Dee电压的准确性,在相同的腔体输入功率条件下,利用韧致辐射法测量腔体电压,测量结果与计算结果误差在0.6%以内。
文摘In a cyclotron,the RF cavity is the key device to accelerate ions.The RF cavity design for the 100MeV H^- cyclotron is very complex since the space is narrow and the Dee voltage is 60kV at the center and 120kV at the extraction region.CST MICROWAVE STUDIO is used in the design,and a real model has been made.The test result on the model is in good agreement with the simulation result.
