Thermal analysis and preliminary cooldown performance of the SCU cryostat

The SCU cryostat, featuring two 1.5-meter-long Nb-Ti superconducting undulators (SCUs), is currently being built for the Advanced Photon Source Upgrade. The final design, along with the thermal and mechanical models of this cryocooler-cooled, liquid helium-based cryostat, has been completed. The cryostat has been fabricated, and preliminary cool-down tests were conducted both with and without the two 1.5-meter-long Nb-Ti SCUs. This paper presents a comparison between the measured and calculated thermal performance of the cryostat.

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Publication Details

Journal
JACOW
Published
2026-01-29
DOI
https://doi.org/10.18429/jacow-napac2025-wep087
Primary Topic
Particle Accelerators and Free-Electron Lasers
Type
article
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article

Thermal analysis and preliminary cooldown performance of the SCU cryostat

Ethan Anliker, Ibrahim Kesgin, Yury Ivanyushenkov, Yuko Shiroyanagi et al.
JACOW
Particle Accelerators and Free-Electron Lasers
article

Thermal analysis and preliminary cooldown performance of the SCU cryostat

Ethan Anliker, Ibrahim Kesgin, Yury Ivanyushenkov, Yuko Shiroyanagi, Matthew Kasa
article en

Abstract

The SCU cryostat, featuring two 1.5-meter-long Nb-Ti superconducting undulators (SCUs), is currently being built for the Advanced Photon Source Upgrade. The final design, along with the thermal and mechanical models of this cryocooler-cooled, liquid helium-based cryostat, has been completed. The cryostat has been fabricated, and preliminary cool-down tests were conducted both with and without the two 1.5-meter-long Nb-Ti SCUs. This paper presents a comparison between the measured and calculated thermal performance of the cryostat.

JACOW
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Particle Accelerators and Free-Electron Lasers
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Thermal analysis and preliminary cooldown performance of the SCU cryostat — Ethan Anliker, Ibrahim Kesgin, et al. · JACOW (2026) | TGRS Research Map | TGRS