LARP LARP Document 1102-v1

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Assembly tests of the first Nb3Sn low-beta quadrupole short model for the Hi-Lumi LHC

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Submitted by:
Heng Pan
Updated by:
Heng Pan
Document Created:
11 Jan 2016, 18:04
Contents Revised:
11 Jan 2016, 18:04
DB Info Revised:
11 Jan 2016, 18:04
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In preparation for the high luminosity upgrade of the Large Hadron Collider, the LHC Accelerator Research Program (LARP) in collaboration with CERN is pursuing the development of MQXF: a 150 mm aperture high-field Nb3Sn quadrupole magnet. The development phase starts with the fabrication and test of several short models (1.2 m magnetic length) and will continue with the development of several long prototypes. All of them are mechanically supported using a shell-based support structure, which has been extensively demonstrated on several R&D models within LARP. The first short model MQXFS-AT has been assembled at LBNL with coils fabricated by LARP and CERN. In this paper, we summarize the assembly process and show how it relies strongly on experience acquired during the LARP 120 mm aperture HQ magnet series. We present comparison between strain gauges data and finite element model analysis. Finally we present the implication of the MQXFS-AT experience on the design of the long prototype support structure.
MQXFS1 MT24 Assembly
Notes and Changes:
This is the final version that is accepted.
Associated with Events:
MT24 held from 18 Oct 2015 to 23 Oct 2015 in Seoul, Korea
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