Search Results - "Bak, S. J."

Design features of the KSTAR in-vessel control coils by Kim, H.K., Yang, H.L., Kim, G.H., Kim, Jin-Yong, Jhang, Hogun, Bak, J.S., Lee, G.S.

“…In-vessel control coils (IVCCs) are to be used for the fast plasma position control, field error correction (FEC), and resistive wall mode (RWM) stabilization…”
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Effect of Al pre-deposition on AlN buffer layer and GaN film grown on Si (111) substrate by MOCVD by Bak, S. J., Mun, D. -H., Jung, K. C., Park, J. H., Bae, H. J., Lee, I. W., Ha, J. -S., Jeong, T., Oh, T. S.

“…In this study, we investigated the effect of Al pre-deposition time on GaN crystal quality. The GaN layer was grown on a Si (111) substrate by metal organic…”
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Quench Detection Based on Voltage Measurement for the KSTAR Superconducting Coils by Yong Chu, Yonekawa, H., Kim, Y.O., Park, K.R., Hyun Jung Lee, Park, M.K., Park, Y.M., Lee, S.J., Ha, T.H., Oh, Y.K., Bak, J.S.

“…To protect the KSTAR (Korea Superconducting Tokamak Advanced Research) superconducting coils against a quench, the quench detection system based on voltage…”
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Manufacture and test of mock-up for ITER thermal shield by Noh, C.H., Nam, K., Chung, W., Kang, D.K., Kim, B.C., Utin, Y., Ioki, K., Her, N.I., Yu, J., Ahn, H.J., Bak, J.S., Jung, K.J.

“…ITER thermal shield, which is to be fully made by Korea, is very large system and its tolerance requirement is so tight that the precise design and manufacture…”
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Progress of detailed design and supporting analysis of ITER thermal shield by Nam, K., Noh, C.H., Chung, W., Kim, B.C., Utin, Y., Ioki, K., Her, N.I., Yu, J., Ahn, H.J., Bak, J.S., Jung, K.J.

“…The detailed design of ITER thermal shield (TS), which is planned to be procured completely by Korea, has been implemented since 2007. In this paper, the…”
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Design analysis of the hinge support for the ITER vacuum vessel by Kim, B.Y., Ahn, H.J., Ha, M.S., Kim, Y.K., Kim, H.S., Sa, J.W., Kim, B.C., Bak, J.S., Choi, C.H., Ioki, K., Wang, X., Bachmann, C.

“…In order to verify design feasibility and structural integrity of a hinge type support for the ITER VV support system, the design analysis has been performed…”
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Status of ITER procurement activities in Korea by Jung, K.J., Kwon, S.P., Lee, H.G., Bak, J.S., Lee, G.S.

“…The Republic of Korea is participating in the ITER project as a full member and procuring components for the ITER tokamak and its facility. This paper presents…”
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Analysis of the Helium Behavior Due to AC Losses in the KSTAR Superconducting Coils by Park, Y M, Lee, H J, Lee, Y J, Park, S H, Kwag, S W, Song, N H, Chang, Y B, Park, H T, Woo, I S, Bang, E N, Kim, Y S, Yang, H L, Bak, J S, Kwon, M

“…The KSTAR superconducting magnetic coils, which are made of cable in-conduit conductor (CICC), maintain a superconducting state with forced-flow supercritical…”
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Wall conditioning of the KSTAR vacuum vessel by Kim, K.M., Yang, H.L., Hong, S.H., Kim, S.T., Kim, H.T., Kim, K.P., Lee, K.S., Kim, H.K., Bak, J.S.

“…The wall conditioning of the KSTAR vacuum vessel has been performed in order to remove various kinds of impurities including H 2O, carbon and oxygen for the…”
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Helium refrigeration system for the KSTAR by Choi, C.H., Chang, H.-S., Park, D.S., Kim, Y.S., Bak, J.S., Lee, G.S., Kwon, I.K., Kim, H.M., Cho, M.C., Kim, H.-S., Fauve, E., Abe, I., Briend, P., Bernhardt, J.-M., Cardet, Y., Dauguet, P., Beauvisage, J., Andrieu, F., Yang, S.-H., Gistau Baguer, G.M.

“…The KSTAR, a tokamak with fully superconducting (SC) magnets, is under construction in the National Fusion Research Center (NFRC). For the proper operation of…”
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Completion of the KSTAR construction and its role as ITER pilot device by Oh, Yeong-Kook, Yang, H.L., Kim, Y.S., Park, K.R., Kim, W.C., Park, M.K., Park, Y.M., Cho, K.W., Choi, J.W., Kim, J.Y., Na, H.K., Bae, Y.S., Bak, J.S., Kwon, M., Lee, G.S.

“…The construction of the Korea Superconducting Tokamak Advanced Research (KSTAR) device has been completed by August 2007. Key achievements in the KSTAR…”
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Fabrication of the KSTAR vacuum vessel and ports by Kim, B.C., Her, N.I., Hong, K.H., Kim, G.H., Bak, J.S.

“…The construction of the steady-state-capable superconducting KSTAR tokamak is in close proximity to the finalization. As one of the main components of the…”
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Construction and Commissioning Results of the KSTAR Current Lead System by Song, N H, Lee, Y J, Park, Y M, Lee, H J, Park, S H, Woo, I S, Kwag, S W, Chang, Y B, Park, H T, Lim, H T, Yang, H L, Bak, J S, Kwon, M

“…The KSTAR current lead system (CLS) was commissioned during the first campaign of the plasma experiments. The current lead system is divided into a toroidal…”
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Fabrication study on the cooling module of the ITER neutral beam duct liner by Sa, J.W., Kim, H.S., Kim, B.Y., Kim, B.C., Ahn, H.J., Bak, J.S., Jung, H.J., Han, M.H., Hong, C.D., Lee, J.S., Kim, Y.K., Urbani, M., Geli, F.

“…Recently the new concept of the ITER neutral beam (NB) duct liner has been developed to improve thermo-mechanical performance and satisfy the requirements for…”
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KSTAR thermal shield by Kim, G.H., Kim, W.C., Yang, H.L., Bang, E.N., Kim, K.P., Lee, K.S., Kim, H.T., Kim, Y.S., Bak, J.S., Kang, D.K., Lee, Y.S.

“…The thermal shield intercepts thermal radiation from the components at room temperature to superconducting magnet at 4.5 K. The thermal shield of KSTAR is…”
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Overview of the KSTAR vacuum pumping system by Kim, K.P., Lee, K.S., Yang, H.L., Kim, M.K., Kim, H.K., Kim, G.H., Kim, K.M., Kim, H.T., Kim, K.H., Park, M.K., Oh, Y.K., Bak, J.S.

“…The installation of the Korea Superconducting Tokamak Advanced Research (KSTAR) device vacuum pumping system for both the vacuum vessel and the cryostat was…”
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Construction and Commissioning of the KSTAR Helium Distribution System by Lee, Y.J., Park, Y.M., Kim, Y.S., Jang, H.S., Kwag, S.W., Chang, Y.B., Park, H.T., Woo, I.S., Song, N.H., Bang, E.N., Ha, T.H., Baek, S., Kim, M.K., Kim, W.C., Oh, Y.K., Bak, J.S.

“…The KSTAR components requiring cryogenic helium coolant for superconducting magnet operations are connected to the helium refrigeration system (HRS) through…”
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Construction and Commissioning of the KSTAR Current Feeder System by Park, Y.M., Lee, Y.J., Yaung-Soo Kim, Woo, I.S., Kwag, S.W., Chang, Y.B., Song, N.H., Park, H.T., Kim, C.S., Lee, K.S., Bang, E.N., Chu, Y., Yonekawa, H., Park, K.R., Yang, H.L., Ha, T.H., Bak, J.S.

“…The function of the current feeder system (CFS) is for conducting large currents from the power supplies to the KSTAR superconducting (SC) magnets. The CFS…”
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KSTAR Magnetic Field Measurement During the Commissioning and Remanent Field Evaluation by Yonekawa, H., Kim, Y.O., Hyun Jung Lee, Yoon, S.W., Hahn, S.H., Lee, K.S., Lee, D.K., Soo Hwan Park, Yong Chu, Bang, E.N., Park, K.R., Oh, Y.K., Bak, J.S., Leuer, J.A.

“…An in situ measurement of the magnetic field generated by the assembled superconducting magnet coils was held by using precision Hall sensors during the…”
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Qualification Test Results of the KSTAR Superconducting Coils From the Construction to the Commissioning Steps by Park, K.R., Yong Chu, Yonekawa, H., Baang, E.N., Kim, Y.O., Hyun Jung Lee, Park, Y.M., Lee, Y.J., Chang, H.S., Lee, D.K., Choi, J.H., Park, S.H., Hahn, S.H., Kim, K.H., Hwang, I.S., Park, M.K., Cho, K.W., Kim, Y.S., Oh, Y.K., Bak, J.S.

“…To achieve the first plasma of the Korea superconducting tokamak advanced research (KSTAR), the KSTAR superconducting coils were tested in advance. As they…”
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