Assembly and Loading of LQS01, a Shell-Based 3.7 m Long Nb3Sn Quadrupole Magnet for LARP

被引：7

作者：

Ferracin, P. ^{[1
]}

Ambrosio, G. ^{[2
]}

Anerella, M. ^{[3
]}

Bingham, B. ^{[1
]}

Bossert, R. ^{[2
]}

Caspi, S. ^{[1
]}

Cheng, D. W. ^{[1
]}

Chlachidze, G. ^{[2
]}

Felice, H. ^{[1
]}

Hafalia, A. R. ^{[1
]}

Hannaford, C. R. ^{[1
]}

Mumper, W. ^{[2
]}

Nobrega, F. ^{[2
]}

Prestemon, S. ^{[1
]}

Sabbi, G. L. ^{[1
]}

Schmalzle, J. ^{[3
]}

Sylvester, C. ^{[2
]}

Tartaglia, M. ^{[2
]}

Wanderer, P. ^{[3
]}

Zlobin, A. V. ^{[2
]}

机构：

[1] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA

[2] Fermilab Natl Accelerator Lab, Batavia, IL 60510 USA

[3] Brookhaven Natl Lab, Upton, NY 11973 USA

来源：

IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY | 2010年 / 20卷 / 03期

关键词：

LARP; Nb3Sn; quadrupole magnet;

D O I：

10.1109/TASC.2010.2042045

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 LHC Accelerator Research Program (LARP) has been engaged in the fabrication of the 3.7 m long quadrupole magnet LQS01 in order to demonstrate that Nb3Sn magnets are a viable option for future LHC Luminosity upgrades. The LQS01 design, a scale-up of the 1 m long Technology Quadrupole TQS, includes four 3.4 m long cos(theta) coils contained in a support structure based on four 1 m long aluminum shells pre-tensioned with water-pressurized bladders (shell-type structure). In order to verify assembly procedures and loading operations, the structure was pre-stressed around solid aluminum "dummy coils" and cooled-down to 77 K. Mechanical behavior and stress variations were monitored with strain gauges mounted on the structure and on the dummy coils. The dummy coils were then replaced with Nb3Sn coils in a second assembly and loading procedure, in preparation for the cool-down and test. This paper reports on the cool-down test with dummy coils and on the assembly and loading of LQS01, with a comparison between 3D finite element model predictions and strain gauge data.

引用

页码：279 / 282

页数：4

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