학술논문
Thermal Model of a Quench in Superconducting Undulators
Document Type
Article
Author
Source
IOP Conference Series: Materials Science and Engineering; December 2017, Vol. 278 Issue: 1 p012183-012183, 1p
Subject
Language
ISSN
17578981; 1757899X
Abstract
Currently there are two 1.1 m long planar superconducting undulators (SCUs) in operation in the Advanced Photon Source storage ring. Their NbTi magnets are cooled with liquid Helium (LHe) penetrating through a channel in the magnet coil formers. In this scheme, the latent heat of LHe provides an effective energy buffer that allows the magnet to return to normal operation within minutes. An FEA-based dynamic thermal model of the SCU is being developed to analyze the behavior of the SCU cryogenic systems during a quench. In this paper, preliminary results of these FEA-based calculations and a comparison with the current operation of SCUs are presented.