scholarly journals The liquid helium cryogenic system for the superconducting cavity in SRRC

2002 ◽  
Author(s):  
F.Z. Hsiao ◽  
M.C. Lin ◽  
C. Wang ◽  
D.S. Lee ◽  
J.R. Chen ◽  
...  
Keyword(s):  
Liquid Helium ◽  
Cryogenic System ◽  
Superconducting Cavity

2 K cryogenic system development for superconducting cavity testing of CiADS

Cryogenics ◽  
2021 ◽  
Vol 115 ◽  
pp. 103247
Author(s):  
Niu Xiao-fei ◽  
Bai Feng ◽  
Wang Xian-jin ◽  
Zhang Peng ◽  
Yang Yong-hui ◽  
...  
Keyword(s):  
System Development ◽  
Cryogenic System ◽  
Superconducting Cavity

A Liquid Helium Cryogenic System Design for the Gem Magnet

1994 ◽  
pp. 389-395
Author(s):  
G. Deis ◽  
R. P. Warren ◽  
D. E. Richied ◽  
N. N. Martovetsky ◽  
J. J. Krupczak ◽  
...  
Keyword(s):  
System Design ◽  
Liquid Helium ◽  
Cryogenic System

scholarly journals Heat generation by eddy currents in a shell of superconducting bus-bars for SIS100 particle accelerator at FAIR

2017 ◽  
Vol 66 (4) ◽  
pp. 705-715 ◽  
Author(s):  
Łukasz Tomków ◽  
Stanisław Trojanowski ◽  
Marian Ciszek ◽  
Maciej Chorowski
Keyword(s):  
Optimal Design ◽  
Electric Current ◽  
Liquid Helium ◽  
Heat Generation ◽  
Eddy Currents ◽  
Superconducting Magnets ◽  
Particle Accelerator ◽  
Cryogenic System ◽  
Steel Shell ◽  
University Of Technology

Abstract Superconducting magnets in the SIS100 particle accelerator require the supply of liquid helium and electric current. Both are transported with by-pass lines designed at Wrocław University of Technology. Bus-bars used to transfer an electric current between the sections of the accelerator will be encased in a steel shell. Eddy currents are expected to appear in the shell during fast-ramp operation of magnets. Heat generation, which should be limited in any cryogenic system, will appear in the shell. In this work the amount of heat generated is assessed depending on the geometry of an assembly of the bus-bars and the shell. Numerical and analytical calculations are described. It was found that heat generation in the shell is relatively small when compared to other sources present in the accelerator and its value strongly depends on the geometry of the shell. The distribution of eddy currents and generated heat for different geometrical options are presented. Based on the results of the calculations the optimal design is proposed.

scholarly journals Design of the Cryogenic Bypass Line for the SIS100 Synchrotron

2020 ◽  
Vol 10 (22) ◽  
pp. 8311
Author(s):  
Artur Iluk ◽  
Kazimierz Malcher ◽  
Wiktor Słomski ◽  
Maciej Chorowski ◽  
Jarosław Poliński ◽  
...  
Keyword(s):  
Large Hadron Collider ◽  
Electric Current ◽  
Liquid Helium ◽  
Science And Technology ◽  
Hadron Collider ◽  
Cryogenic System ◽  
Vacuum Vessel ◽  
Technical Requirements ◽  
Bypass Line ◽  
Under Construction

This paper presents the selected aspects of a superconducting cryogenic bypass line (BPL) design, a part of the international Facility for Antiproton and Ion Research (FAIR) SIS100 cryogenic system, currently under construction in Darmstadt, Germany. Design, manufacturing, and installation of the superconducting cryogenic bypass line is a part of a Polish in-kind contribution to the FAIR project, realized by the Wroclaw University of Science and Technology. The BPL is dedicated to transferring liquid helium and AC electric current between SIS100 arc sections and superconducting quadrupole magnets located in warm straight sections of the synchrotron. A main innovative feature of the cryogenic bypass line is transferring the electric current and liquid helium in one vacuum vessel, while in other similar projects, namely, the Large Hadron Collider at CERN (CH) or the Tevatron at FermiLab (USA), those functions are separated. The coexistence of superconducting busbars and liquid helium process pipes in one limited space, as well as numerous additional functional and technical requirements, was a source of the serious design and production challenges described in the paper, including two designs of the internal suspension system based on steel rods and aramid cables.

scholarly journals Experiment of Low Heat Loss Liquid Helium Transfer line for NSRRC Cryogenic System

2019 ◽  
Vol 502 ◽  
pp. 012072
Author(s):  
P.S. Chuang ◽  
H.H. Tsai ◽  
H.W. Chiang ◽  
F.Z. Hsiao ◽  
W.R. Liao ◽  
...  
Keyword(s):  
Liquid Helium ◽  
Heat Loss ◽  
Cryogenic System ◽  
Transfer Line
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