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윤성운(S. YOON),이상일(S. LEE),박미정(M. J. PARK),손창욱(C. W. SOHN),최용준(Y. CHOI),유정현(J. YOO),Lingxue JIN,김무상(M. KIM),김도균(D. KIM),기태경(T. KI),서미경(M. K. SEO),진민성(M. S. JIN) 대한기계학회 2022 대한기계학회 춘추학술대회 Vol.2022 No.11
RAON, a heavy ion superconducting linear accelerator has been installed in Daejeon, S. Korea. A cryogenic system, which was installed and tested its performance cool the accelerator down until 269 K. The system consists of a lot of components, cryogenic plants, a distribution box, cryogenic distribution lines, cryomodules and valve boxes. A cryogenic control system which is complicated and integrated by EPICS (Experimental Physics and Industrial Control System) is developed and the graphic user interface which is designed by CS-studio (Control System-studio) is developed. They were verified during the accelerator cool-down but they need some modification based on the cool-down operation. This paper summarizes the RAON cryogenic system infrastructure and graphic user interfaces.
윤성운(S. YOON),이상일(S. LEE),박미정(M. J. PARK),손창욱(C. W. SOHN),최용준(Y. CHOI),유정현(J. YOO),Lingxue JIN,김무상(M. KIM),김도균(D. KIM),기태경(T. KI),서미경(M. K. SEO),진민성(M. S. JIN) 대한기계학회 2022 대한기계학회 춘추학술대회 Vol.2022 No.11
RAON, a heavy ion superconducting linear accelerator has been installed in Daejeon, S. Korea. A cryogenic system, which was installed and tested its performance cool the accelerator down until 269 K. The system consists of a lot of components, cryogenic plants, a distribution box, cryogenic distribution lines, cryomodules and valve boxes. A cryogenic control system which is complicated and integrated by EPICS (Experimental Physics and Industrial Control System) is developed and the graphic user interface which is designed by CS-studio (Control System-studio) is developed. They were verified during the accelerator cool-down but they need some modification based on the cool-down operation. This paper summarizes the RAON cryogenic system infrastructure and graphic user interfaces.
Jin Lingxue,박미정(M. J. Park),최용준(Y. J. Choi),김무상(M. S. Kim),김용학(Y. H. Kim),박희철(H. C. Park) 대한기계학회 2022 대한기계학회 춘추학술대회 Vol.2022 No.11
The rare isotope accelerator complex for on-line experiments (RAON) is under construction in Daejeon, Republic of Korea. The cavities of the accelerators are operated at 4.5 K (22 of QWR) and 2.05 K (104 of HWR), which are cooled by liquid helium. The liquid helium is supplied to each cavity through a helium distribution system which controls the physical parameters such as pressure, temperature, liquid helium level, and mass flow rate through the cryogenic valves. This paper describes the design of the protection strategies for the cryogenic system by considering the thermal fluid properties of liquid helium and the construction of the control system for realizing the protection logic. This work will be helpful to the field engineers in providing the methodology to control a complex cryogenic system with various thermal operating conditions.
Jin Lingxue,박미정(M. J. Park),최용준(Y. J. Choi),김무상(M. S. Kim),김용학(Y. H. Kim),박희철(H. C. Park) 대한기계학회 2022 대한기계학회 춘추학술대회 Vol.2022 No.11
The rare isotope accelerator complex for on-line experiments (RAON) is under construction in Daejeon, Republic of Korea. The cavities of the accelerators are operated at 4.5 K (22 of QWR) and 2.05 K (104 of HWR), which are cooled by liquid helium. The liquid helium is supplied to each cavity through a helium distribution system which controls the physical parameters such as pressure, temperature, liquid helium level, and mass flow rate through the cryogenic valves. This paper describes the design of the protection strategies for the cryogenic system by considering the thermal fluid properties of liquid helium and the construction of the control system for realizing the protection logic. This work will be helpful to the field engineers in providing the methodology to control a complex cryogenic system with various thermal operating conditions.