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전자기적 발열에서의 KSTAR In-Vessel Control Coil의 열 및 기계적 거동
강진구(Jin Gu Kang),박성현(Sunghyun Park),장민용(Minyoung Jang),이현정(Hyunjung Lee),김현욱(Hyun Wook Kim),이근수(KunSu Lee),김광표(Kwang Pyo Kim),박갑래(Kaprai Park),김범석(Beom Seok Kim) 대한기계학회 2022 대한기계학회 춘추학술대회 Vol.2022 No.11
To settle fusion technology, technical- and engineering challenges should be solved to control unstable fusion plasma. In-vessel control coil (IVCC) in Korea Superconducting Tokamak Advanced Research (KSTAR) has been implemented for plasma control. We characterize the mechanical behaviors of IVCC under high heat-generation environments due to electrically induced eddy currents. Numerical evaluations reveal electromagnetic-, thermal- and mechanical responses under operating conditions. Thermal stability is assessed in terms of transient temperature variations and consequent thermal stress distributions. Experimental approaches using IVCC mock-up models are employed to validate the numerical results. We suggest candidates reduce eddy current and guarantee heat-dissipating performance via tailored methods with an upgrade of the IVCC case. The preliminary results will be the fundamental data for feasible upgrade of IVCC in KSTAR.
전자기적 발열에서의 KSTAR In-Vessel Control Coil의 열 및 기계적 거동
강진구(Jin Gu Kang),박성현(Sunghyun Park),장민용(Minyoung Jang),이현정(Hyunjung Lee),김현욱(Hyun Wook Kim),이근수(KunSu Lee),김광표(Kwang Pyo Kim),박갑래(Kaprai Park),김범석(Beom Seok Kim) 대한기계학회 2022 대한기계학회 춘추학술대회 Vol.2022 No.11
To settle fusion technology, technical- and engineering challenges should be solved to control unstable fusion plasma. In-vessel control coil (IVCC) in Korea Superconducting Tokamak Advanced Research (KSTAR) has been implemented for plasma control. We characterize the mechanical behaviors of IVCC under high heat-generation environments due to electrically induced eddy currents. Numerical evaluations reveal electromagnetic-, thermal- and mechanical responses under operating conditions. Thermal stability is assessed in terms of transient temperature variations and consequent thermal stress distributions. Experimental approaches using IVCC mock-up models are employed to validate the numerical results. We suggest candidates reduce eddy current and guarantee heat-dissipating performance via tailored methods with an upgrade of the IVCC case. The preliminary results will be the fundamental data for feasible upgrade of IVCC in KSTAR.