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真空低温绝热支撑(POST)是超导加速器低温恒温器(Cryomodule)的关键部件之一,直接影响到整个Cryomodule的静态漏热、结构的稳定性、加速器准直测量的精确性等多种性能指标。利用经典理论方法和有限元软件对POST进行理论计算和模拟分析,理论计算与模拟分析结果基本一致,同时在工作状态下对其进行热力学模拟计算。分析结果表明,此POST满足低漏热、高强度的设计和使用要求,为进一步的优化设计和实验研究提供了可靠的理论依据和技术支持。
Vacuum Cryogenic Thermal Insulation Support (POST) is one of the key components of a Cryomodule for a superconducting accelerator. It directly affects the static leakage of the Cryomodule, the stability of the structure, and the accuracy of the accelerometer collimation. . The theoretical calculation and simulation analysis of POST are carried out by using the classical theory and finite element software. The results of theoretical calculation and simulation analysis are basically the same, and the thermodynamic simulation calculation is carried out under the working condition. The results of the analysis show that this POST meets the design and application requirements of low heat leakage and high strength, and provides reliable theoretical basis and technical support for further optimization design and experimental research.