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RISS 인기검색어
- 검색키워드
- 저자 : Beauvisage, Jerome (검색결과 2 건)
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COMMISSIONING RESULT OF THE KSTAR HELIUM REFRIGERATION SYSTEM
DONG-SEONG PARK,HYUN-SIK CHANG,JAE-JOON JOO,KYUNG-MO MOON,KWANG-WOON CHO,YANG-SOO KIM,JOO-SHIK BAK,MYEON-CHUL CHO,IL-KEUN KWON,FREDERIC ANDRIEU,JEROME BEAUVISAGE,STEPHANE DESAMBROIS,ERIC FAUVE,MICHEL 한국원자력학회 2008 Nuclear Engineering and Technology Vol.40 No.6
To keep the superconducting (SC) magnet coils of KSTAR at proper operating conditions, not only the coils but also other cold components, such as thermal shields (TS), magnet structures, SC bus-lines (BL), and current leads (CL) must be maintained at their respective cryogenic temperatures. A helium refrigeration system (HRS) with an exergetic equivalent cooling power of 9 kW at 4.5 K without liquid nitrogen (LN₂) pre-cooling has been manufactured and installed. The main components of the KSTAR helium refrigeration system (HRS) can be classified into the warm compression system (WCS) and the cryogenic devices according to the operating temperature levels. The process helium is compressed from 1 bar to 22 bar passing through the WCS and is supplied to cryogenic devices. The main components of cryogenic devices are consist of cold box (C/B) and distribution box (D/B). The C/B cool-down and make the various cryogenic helium for the KSTAR Tokamak and the various cryogenic helium is distributed by the D/B as per the KSTAR requirement. In this proceeding, we will present the commissioning results of the KSTAR HRS. Circuits which can simulate the thermal loads and pressure drops corresponding to the cooling channels of each cold component of KSTAR have been integrated into the helium distribution system of the HRS. Using those circuits, the performance and the capability of the HRS, to fulfill the mission of establishing the appropriate operating condition for the KSTAR SC magnet coils, have been successfully demonstrated.
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COMMISSIONING RESULT OF THE KSTAR HELIUM REFRIGERATION SYSTEM
Park, Dong-Seong,Chang, Hyun-Sik,Joo, Jae-Joon,Moon, Kyung-Mo,Cho, Kwang-Woon,Kim, Yang-Soo,Bak, Joo-Shik,Cho, Myeon-Chul,Kwon, Il-Keun,Andrieu, Frederic,Beauvisage, Jerome,Desambrois, Stephane,Fauve, Korean Nuclear Society 2008 Nuclear Engineering and Technology Vol.40 No.6
To keep the superconducting (SC) magnet coils of KSTAR at proper operating conditions, not only the coils but also other cold components, such as thermal shields (TS), magnet structures, SC bus-lines (BL), and current leads (CL) must be maintained at their respective cryogenic temperatures. A helium refrigeration system (RRS) with an exergetic equivalent cooling power of 9 kW at 4.5 K without liquid nitrogen ($LN_2$) pre-cooling has been manufactured and installed. The main components of the KST AR helium refrigeration system (HRS) can be classified into the warm compression system (WCS) and the cryogenic devices according to the operating temperature levels. The process helium is compressed from 1 bar to 22 bar passing through the WCS and is supplied to cryogenic devices. The main components of cryogenic devices are consist of cold box (C/B) and distribution box (D/B). The C/B cool-down and make the various cryogenic helium for the KSTAR Tokamak and the various cryogenic helium is distributed by the D/B as per the KSTAR requirement. In this proceeding, we will present the commissioning results of the KSTAR HRS. Circuits which can simulate the thermal loads and pressure drops corresponding to the cooling channels of each cold component of KSTAR have been integrated into the helium distribution system of the HRS. Using those circuits, the performance and the capability of the HRS, to fulfill the mission of establishing the appropriate operating condition for the KSTAR SC magnet coils, have been successfully demonstrated.
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