一米长四翼型RFQ调谐研究

潘刚; 何源; 赵红卫; 石爱民; 杜小楠; 张周礼; 孙列鹏; 张聪; 施龙波

doi:10.11804/NuclPhysRev.31.02.161

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一米长四翼型RFQ调谐研究

潘刚, 何源, 赵红卫, 石爱民, 杜小楠, 张周礼, 孙列鹏, 张聪, 施龙波

文章导航 > 原子核物理评论 > 2014 > 31(2): 161-165

潘刚, 何源, 赵红卫, 石爱民, 杜小楠, 张周礼, 孙列鹏, 张聪, 施龙波. 一米长四翼型RFQ调谐研究[J]. 原子核物理评论, 2014, 31(2): 161-165. doi: 10.11804/NuclPhysRev.31.02.161

引用本文:

PAN Gang, ZHAO Hongwei, SHI Aimin, DU Xiaonan, ZHANG Zhouli, SUN Liepeng, ZHANG Cong, SHI Longbo, . Tuning of a One-Meter Four-vane RFQ[J]. Nuclear Physics Review, 2014, 31(2): 161-165. doi: 10.11804/NuclPhysRev.31.02.161

Citation:

PAN Gang, ZHAO Hongwei, SHI Aimin, DU Xiaonan, ZHANG Zhouli, SUN Liepeng, ZHANG Cong, SHI Longbo, . Tuning of a One-Meter Four-vane RFQ[J]. Nuclear Physics Review, 2014, 31(2): 161-165. doi: 10.11804/NuclPhysRev.31.02.161

一米长四翼型RFQ调谐研究

doi: 10.11804/NuclPhysRev.31.02.161

中国科学院近代物理研究所,兰州 730000;
中国科学院大学,北京10049

Tuning of a One-Meter Four-vane RFQ

Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China;

摘要: 为获取ADS 工程中四翼型RFQ加速器在设计、调谐和运行等方面的经验，设计和建造了一台一米长四翼型RFQ加速器。该RFQ的设计频率为162.5 MHz，但是测量结果显示即使没有调谐器时，腔体的频率也为163.7 MHz。为降低腔体频率，使用四线模型理论进行了分析并重新设计了腔体的端板。使用了二极模稳定杆来加大四极频率与相邻二极频率的间隔。最终测量结果显示，在腔体电压分布没有大的波动的情况下腔体频率达到了设计频率。同时，腔体Q值降低了1%，这就要求需要更多的功率注入腔体。使用水对二极模稳定杆进行了冷却，以便腔体能够稳定工作。In order to get experiences of design, tuning and running of a four-vane RFQ for theChina ADS project, a one-meter four-vane RFQ was designed and fabricated. The quadruple frequency of the RFQ was designed to be 162.5 MHz (operating frequency), but the measured frequency after fabrication was 163.7 MHz even without tuners in the cavity. To reduce the frequency the four-wire line model theory was used, and the endplates were redesigned. Dipole mode stabilizer rods were employed to expand the span of the quadruple frequency and the adjacent dipole frequency. As a result, the quadruple frequency was altered to the operating frequency without rippling voltage distribution along the RFQ severely. Meanwhile, the Q value was reduced by 1%, which means more RF power was required to be fed into the RFQ. The dipole mode stabilizer rods were cooled by water to make the RFQ work stably.
- 四极频率 /
- 二极频率 /
- 二极模稳定杆 /
- 端板
Abstract: In order to get experiences of design, tuning and running of a four-vane RFQ for theChina ADS project, a one-meter four-vane RFQ was designed and fabricated. The quadruple frequency of the RFQ was designed to be 162.5 MHz (operating frequency), but the measured frequency after fabrication was 163.7 MHz even without tuners in the cavity. To reduce the frequency the four-wire line model theory was used, and the endplates were redesigned. Dipole mode stabilizer rods were employed to expand the span of the quadruple frequency and the adjacent dipole frequency. As a result, the quadruple frequency was altered to the operating frequency without rippling voltage distribution along the RFQ severely. Meanwhile, the Q value was reduced by 1%, which means more RF power was required to be fed into the RFQ. The dipole mode stabilizer rods were cooled by water to make the RFQ work stably.
- quadruple frequency /
- dipole frequency /
- dipole-mode stabilizer rods /
- end-plate

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一米长四翼型RFQ调谐研究

doi: 10.11804/NuclPhysRev.31.02.161

中国科学院近代物理研究所,兰州 730000;

中国科学院大学,北京10049

收稿日期: 1900-01-01
修回日期: 1900-01-01
刊出日期: 2014-06-20

关键词:

摘要: 为获取ADS 工程中四翼型RFQ加速器在设计、调谐和运行等方面的经验，设计和建造了一台一米长四翼型RFQ加速器。该RFQ的设计频率为162.5 MHz，但是测量结果显示即使没有调谐器时，腔体的频率也为163.7 MHz。为降低腔体频率，使用四线模型理论进行了分析并重新设计了腔体的端板。使用了二极模稳定杆来加大四极频率与相邻二极频率的间隔。最终测量结果显示，在腔体电压分布没有大的波动的情况下腔体频率达到了设计频率。同时，腔体Q值降低了1%，这就要求需要更多的功率注入腔体。使用水对二极模稳定杆进行了冷却，以便腔体能够稳定工作。In order to get experiences of design, tuning and running of a four-vane RFQ for theChina ADS project, a one-meter four-vane RFQ was designed and fabricated. The quadruple frequency of the RFQ was designed to be 162.5 MHz (operating frequency), but the measured frequency after fabrication was 163.7 MHz even without tuners in the cavity. To reduce the frequency the four-wire line model theory was used, and the endplates were redesigned. Dipole mode stabilizer rods were employed to expand the span of the quadruple frequency and the adjacent dipole frequency. As a result, the quadruple frequency was altered to the operating frequency without rippling voltage distribution along the RFQ severely. Meanwhile, the Q value was reduced by 1%, which means more RF power was required to be fed into the RFQ. The dipole mode stabilizer rods were cooled by water to make the RFQ work stably.