Thermal design and performance of cryocatcher for BRing-S

IF 2.1 3区 工程技术 Q3 PHYSICS, APPLIED
Yagang Shi , Weiping Chai , Shuping Chen , Dongsheng Ni , Xudong Wang , Jianlong Liu , Xiaowei Xu , Jiajian Ding , Meitang Tang , Lijun Mao , Jiancheng Yang
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引用次数: 0

Abstract

The cryocatcher serves as a crucial apparatus for mitigating the dynamic vacuum effects within a superconducting synchrotron. In anticipation of the stringent beam collimation demands imposed by the high-intensity beam operation in the forthcoming BRing-S project, a prototype cryocatcher has been meticulously designed and fabricated. This study is dedicated to an in-depth examination of the thermal design and cryogenic performance of the cryocatcher. A comprehensive thermodynamic model has been developed to facilitate finite element analysis and numerical simulations of the heat transfer mechanisms inherent in its critical components, including the target block, tension rods, thermal shield, beam chamber and bellows, the structure was optimized based on simulation results to minimize heat leakage. Additionally, this work systematically summarizes the thermal loads encountered at various temperature regimes. The cryocatcher subsequently underwent cooling tests, the results of which corroborate that the thermal design aligns with the predefined performance benchmarks. Consequently, this study has accumulated relevant experience for the subsequent formal research on cryocatcher and laid a foundation for the future online operation of cryocatcher.
BRing-S型低温捕集器的热设计与性能
低温捕集器是减轻超导同步加速器内动态真空效应的关键装置。在即将到来的BRing-S项目中,高强度光束操作对光束准直提出了严格的要求,因此精心设计和制造了一个原型冷冻收集器。本研究致力于对低温捕集器的热设计和低温性能进行深入研究。建立了全面的热力学模型,对靶块、拉杆、热罩、梁室和波纹管等关键部件的传热机理进行了有限元分析和数值模拟,并根据模拟结果对结构进行了优化,以最大限度地减少热泄漏。此外,本工作系统地总结了在不同温度下遇到的热负荷。低温捕集器随后进行了冷却测试,结果证实其热设计符合预定的性能基准。因此,本研究为后续冷捕机的正式研究积累了相关经验,为今后冷捕机的在线运行奠定了基础。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Cryogenics
Cryogenics 物理-热力学
CiteScore
3.80
自引率
9.50%
发文量
0
审稿时长
2.1 months
期刊介绍: Cryogenics is the world''s leading journal focusing on all aspects of cryoengineering and cryogenics. Papers published in Cryogenics cover a wide variety of subjects in low temperature engineering and research. Among the areas covered are: - Applications of superconductivity: magnets, electronics, devices - Superconductors and their properties - Properties of materials: metals, alloys, composites, polymers, insulations - New applications of cryogenic technology to processes, devices, machinery - Refrigeration and liquefaction technology - Thermodynamics - Fluid properties and fluid mechanics - Heat transfer - Thermometry and measurement science - Cryogenics in medicine - Cryoelectronics
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