Search Results - "SEON, Changrae"

Design of ITER divertor VUV spectrometer and prototype test at KSTAR tokamak by Seon, Changrae, Hong, Joohwan, Song, Inwoo, Jang, Juhyeok, Lee, Hyeonyong, An, Younghwa, Kim, Bosung, Jeon, Taemin, Park, Jaesun, Choe, Wonho, Lee, Hyeongon, Pak, Sunil, Cheon, MunSeong, Choi, Jihyeon, Kim, Hyeonseok, Biel, Wolfgang, Bernascolle, Philippe, Barnsley, Robin, O’Mullane, Martin

“…Design and development of the ITER divertor VUV spectrometer have been performed from the year 1998, and it is planned to be installed in the year 2027…”
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Development of double-walled bellows for ITER VUV spectrometer systems by Kim, Jaemin, An, YoungHwa, Jung, SungMin, Lee, HongKiun, Seon, Changrae, Ha, JongYun, Lee, Joon, Cheon, MunSeong

“…•Double wall bellows has been developed which will be used in VUV spectrometer for ITER diagnostics.•Bellows is designed by following the rule from ASME…”
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Design and vibration test of first mirror mount assembly for ITER divertor VUV spectrometer by Hong, Joohwan, Seon, Changrae, Won, Min-Gu, Kim, Yoo Kwan, Kim, Boseong, Ma, Byungsu, Kim, Jaemin, Shim, HeeJin, Cheon, MunSeong

“…•A full-scale mock-up of the SiC first mirror mount assembly for the ITER divertor VUV spectrometer was designed and manufactured to validate its performance…”
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Corrigendum to “Development of double-walled bellows for ITER VUV spectrometer systems” [Fusion Engineering and Design 207 (2024) 114643] by KIM, Jaemin, AN, YoungHwa, JUNG, SungMin, LEE, HongKiun, SEON, Changrae, HA, JongYun, LEE, Joon, CHEON, MunSeong

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Erosion resistance test of SiC mirror sample for ITER divertor VUV spectrometer by Kim, Boseong, Chai, Kil-Byoung, Park, Jae-Sun, Seon, Changrae, An, YoungHwa, Kim, Yoo Kwan, Cheon, MunSeong, Bonnin, Xavier

“…•We studied the erosion (and deposition) effect on the SiC mirror sample caused by high-energy neutral particles for the expected environmental condition of…”
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Data acquisition and monitoring system for KSTAR VUV spectrometer systems by An, YoungHwa, Kim, Boseong, Shin, Haewon, Kim, Yeonjung, Seon, Changrae, Song, Inwoo, Cheon, MunSeong

“…•An EPICS based I&C system has been developed for the automated data acquisition and remote control of KSTAR VUV spectrometer systems.•It was successfully…”
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ITER diagnostic shutters by Vorpahl, Christian, Alekseev, Andrey, Arshad, Shakeib, Hatae, Takaki, Khodak, Andrei, Klabacha, Jonathan, Le Guern, Frederic, Mukhin, Eugene, Pak, Sunil, Seon, Changrae, Smith, Mark, Yatsuka, Eiichi, Zvonkov, Alexander

“…•Plasma-near first mirrors of ITER optical diagnostics are protected by 63 so-called Diagnostic Shutters.•Harsh conditions rule out standard engineering…”
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Neutronics analysis for ITER UP18 preliminary design by An, YoungHwa, Cheon, MunSeong, Pak, Sunil, Kim, Jaemin, Seon, Changrae, Choi, Jihyun, Lee, H.G.

“…The nuclear heat and the shut-down dose rate (SDDR) in the ITER upper port 18 (UP18) were estimated to provide the nuclear heat load for the structural…”
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A passive mitigation strategy of impurity deposition on the first mirrors using duct with baffles: A case study at a port of KSTAR with in-situ deposition monitoring by Kim, Boseong, Seon, Changrae, Oh, Soo-Ghee, Kim, Yu Kwon, An, Younghwa, Bang, Eunnam, Hong, Suk-Ho, Pak, Sunil, Cheon, Munseong, Lee, Hyun Gon

“…•The effect of the duct with baffles on the mirror deposition was investigated using test system installed at KSTAR tokamak.•Helium gas purging in the duct as…”
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Radiation shielding design evaluation for ITER VUV edge imaging spectrometer by An, YoungHwa, Seon, Changrae, Cheon, MunSeong, Pak, Sunil, Choi, Jihyun, Lee, Hyeon Gon, Bernascolle, Philippe, Barnsley, Robin, Bertalot, Luciano, Krasilnikov, Vitaly, Simrock, Stefan

“…•The radiation shielding design for ITER VUV edge imaging spectrometer is evaluated using MCNP with a local port cell model.•The boundary neutron source from…”
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Suppression of Ag deposition by Ar gas in mtorr range and its implication to mitigation of impurity deposition on first mirrors by Kim, Boseong, Lee, Hyeon Gon, Seon, Changrae, Oh, Soo-Ghee, Kim, Yu Kwon

“…We observe that Ar gas confined in a tube maintained at a pressure higher than 10 mtorr by a baffled duct is very effective in minimizing the deposition of…”
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