CEC/ICMC 2025 Abstracts & Technical Program

Session

C2Po1F - Large Scale Cryogenic Systems IV: Operation & Design IV

May 20, 2025, 9:15 AM

Exhibit Hall, Tuscany Ballroom

Conveners

C2Po1F - Large Scale Cryogenic Systems IV: Operation & Design IV

• Benjamin Bradu (CERN)
• Romain Bruce (Fermilab)

400. C2Po1F-01: Dynamic simulation and automatic control strategy design for the compressor system of 6kW Helium refrigerator

Xiaofei Lu

5/20/25, 9:15 AM

Poster

Comprehensive Research Facility for Fusion Technology (CRAFT) is a large-scale scientific engineering project led by the Institute of Plasma Physics, Chinese Academy of Sciences. The cryogenic system of the project includes four helium refrigerators, among which 6 kW@4.5k after the completion of the helium refrigeration unit, it will be used as a magnetic performance research and testing...

398. C2Po1F-02: Modeling and Dynamic Simulation for the Cold Box of 6kW Helium Refrigerator

Xiaofei Lu

5/20/25, 9:15 AM

Poster

The CRAFT 6kW helium refrigerator is used for magnet performance testing and magnet performance research, and the project is designed to build a cryogenic control system adapted to the future direction of fusion reactor development. However, a detailed and accurate modeling and simulation of a specific 6 kW helium refrigerator cold box, especially considering its unique structural...

405. C2Po1F-03: RAMI analysis of 6kW helium refrigerator system

Mr Jialong Ye

5/20/25, 9:15 AM

Poster

Helium refrigeration systems, as a critical low-temperature technology, are widely used in high-energy physics experiments, nuclear fusion devices, and cryogenic engineering. These systems serve as essential infrastructure to ensure the normal operation of superconducting magnets, cryogenic equipment, and other related systems. This study focuses on the periodic operation characteristics of a...

320. C2Po1F-04: Numerical study of liquid medium based packed bed cold storage in liquid air energy storage system

Junxian Li (Key Laboratory of Cryogenic Science and Technology, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences)

5/20/25, 9:15 AM

Poster

Liquid air energy storage (LAES) is a promising large-scale energy storage technology that supports renewable electricity integration and reduces carbon emissions. The cold energy storage unit plays a critical role in determining the efficiency of the LAES system. Currently, solid-phase packed beds are commonly used as cold energy storage units in LAES due to their safety and ease of...

241. C2Po1F-05: Conceptual design of a replacement 2.1 K cold box for the Spallation Neutron Source Central Helium Liquefier

Brian Mastracci (Thomas Jefferson National Accelerator Facility)

5/20/25, 9:15 AM

Poster

The Central Helium Liquefier (CHL) for the Spallation Neutron Source (SNS) at Oak Ridge National Laboratory (ORNL) supports a primary superconducting linear accelerator (LINAC) load up to 2.4 kW at 2.1 K. Sub-atmospheric saturation conditions in the LINAC are generated and maintained by a sub-atmospheric cold box (SCB) within the CHL. The SCB contains four magnetic bearing cold compressors...

80. C2Po1F-06: Model development and optimization of cryogenic mixed-refrigerant cycles with phase separators

Mr Jakob Reichert (Karlsruhe Institute of Technology (KIT))

5/20/25, 9:15 AM

Poster

Cryogenic mixed-refrigerant cycles (CMRCs) are a promising technology for providing cryogenic temperatures in several areas of research and technology, offering high power density and high efficiency combined with scalability and inexpensive process design.
In order to achieve high process efficiency, the ideal mixture composition and operating conditions for a specific application need to be...