Mechanical design upgrade of the APS storage ring rf cavity tuner

被引：0

作者：

Jones, J ^{[1
]}

Bromberek, D ^{[1
]}

Kang, Y ^{[1
]}

Kustom, R ^{[1
]}

Morrison, L ^{[1
]}

Piech, R ^{[1
]}

Rotela, E ^{[1
]}

Sharma, S ^{[1
]}

Sheng, IC ^{[1
]}

机构：

[1] Argonne Natl Lab, Adv Photon Source, Argonne, IL 60439 USA

来源：

PROCEEDINGS OF THE 1997 PARTICLE ACCELERATOR CONFERENCE, VOLS 1-3: PLENARY AND SPECIAL SESSIONS ACCELERATORS AND STORAGE RINGS - BEAM DYNAMICS, INSTRUMENTATION, AND CONTROLS | 1998年

关键词：

D O I：

暂无

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

The Advanced Photon Source (APS) storage ring (SR) rf system employs four banks of four spherical, single-cell resonant cavities. Each cavity is tuned by varying the cavity volume through insertion/retraction of a copper piston located at the circumference of the cavity and oriented perpendicular to the accelerator beam. During the commissioning of the APS SR, the tuners and cavity tuner ports were prone to extensive arcing and overheating. The existing tuners were modified to eliminate the problems, and two new, redesigned tuners were installed. In both cases marked improvements were obtained in the tuner mechanical performance. As measured by tuner piston and flange surface temperatures, tuner heating has been reduced by a factor of five in the new version. Redesign considerations discussed include tuner piston-to-housing alignment, tuner piston and housing materials and cooling configurations, and tuner piston sliding electrical contacts. The tuner redesign is also distinguished by a modular, more maintainable assembly.

引用

页码：2929 / 2931

页数：3

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