Cryogenic test facility instrumentation with fiber optic and fiber optic sensors for testing superconducting accelerator magnets

被引：5

作者：

Chiuchiolo, A. ^{[1
]}

Bajas, H. ^{[1
]}

Bajko, M. ^{[1
]}

Castaldo, B. ^{[1
,2
]}

Consales, M. ^{[3
]}

Cusano, A. ^{[3
]}

Giordano, M. ^{[4
]}

Giloux, C. ^{[1
]}

Perez, J. C. ^{[1
]}

Sansone, L. ^{[4
]}

Viret, P. ^{[1
]}

机构：

[1] CERN European Org Nucl Res, CH-1211 Geneva, Switzerland

[2] Univ Naples Federico II, I-80138 Naples, Italy

[3] Univ Sannio, Dept Engn, Optoelect Div, I-82100 Benevento, Italy

[4] Italian Natl Res Council, Inst Polymers Composites & Biomat, I-80125 Portici, Italy

来源：

ADVANCES IN CRYOGENIC ENGINEERING | 2017年 / 278卷

关键词：

D O I：

10.1088/1757-899X/278/1/012082

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The magnets for the next steps in accelerator physics, such as the High Luminosity upgrade of the LHC (HL-LHC) and the Future Circular Collider (FCC), require the development of new technologies for manufacturing and monitoring. To meet the HL-LHC new requirements, a large upgrade of the CERN SM18 cryogenic test facilities is ongoing with the implementation of new cryostats and cryogenic instrumentation. The paper deals with the advances in the development and the calibration of fiber optic sensors in the range 300 - 4 K using a dedicated closed-cycle refrigerator system composed of a pulse tube and a cryogen-free cryostat. The calibrated fiber optic sensors (FOS) have been installed in three vertical cryostats used for testing superconducting magnets down to 1.9 K or 4.2 K and in the variable temperature test bench (100 - 4.2 K). Some examples of FOS measurements of cryostat temperature evolution are presented as well as measurements of strain performed on a subscale of High Temperature Superconducting magnet during its powering tests.

引用

页数：8

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