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윤철,김성일,Sung Jin Lee,강석훈,Chan Y. Paik 한국원자력학회 2021 Nuclear Engineering and Technology Vol.53 No.12
ISFRA (Integrated SFR Analysis Program for PSA) computer program has been developed for simulatingthe response of the PGSFR pool design with metal fuel during a severe accident. This paper describesvalidation of the ISFRA aerosol model against the Aerosol Behavior Code Validation and Evaluation(ABCOVE) experiments undertaken in 1980s for radionuclide transport within a SFR containment. ABCOVE AB5, AB6, and AB7 tests are simulated using the ISFRA aerosol model and the results arecompared against the measured data as well as with the simulation results of the MELCOR severe accident code. It is revealed that the ISFRA prediction of single-component aerosols inside a vessel (AB5) isin good agreement with the experimental data as well as with the results of the aerosol model inMELCOR. Moreover, the ISFRA aerosol model can predict the “washout” phenomenon due to the interaction between two aerosol species (AB6) and two-component aerosols without strong mutual interference (AB7). Based on the theory review of the aerosol correlation technique, it is concluded that theISFRA aerosol model can provide fast, stable calculations with reasonable accuracy for most of the casesunless the aerosol size distribution is strongly deformed from log-normal distribution.
당뇨 합병증의 과거력이 있는 동안 신경마비 환자1례에 대한 임상적 고찰
윤철,윤채성,이동효,성은진,김환영,황충연,Yun, Cheol,Yun, Chae-Sung,Lee, Dong-Hyo,Seong, Eun-Jin,Kim, Hwan-Young,Hwang, Chung-Yeon 대한한의학방제학회 2009 大韓韓醫學方劑學會誌 Vol.17 No.2
Objective : To carry out the oriental medicine treatment on a patient with oculomotor nerve palsy accompanied by Diabetes mellitus complication history Methods : We conducted one patient with oculomotor nerve palsy at Won-Kwang University Kwang-Ju Oriental Medical Hospital. We treated patient by herbal medicine, acupuncture, etc. Results : We had an effect that one patient's symptom had improved. Conclusion : We suggest that the oriental medical treatment and management have an effect with oculomotor nerve palsy accompanied by DM complication history.
RF 마그네트론 스퍼터링법으로 증착된 AlN 박막의 물리적, 화학적 특성에 관한 연구
윤철,김상호 한국표면공학회 2009 한국표면공학회 학술발표회 초록집 Vol.2009 No.10
RF 마그네트론 스퍼터링 방법을 이용하여 증착 power density에 따른 AlN 박막의 배향성과 표면 거칠기 그리고 열전도도 특성의 변화를 조사하였다. 특히 power density가 1.79 W/㎤일 때 가장 우수한 배향성을 얻을 수 있었다. 이러한 배향성과 연관시켜 박막의 미세구조, 표면거칠기, 유전율 등을 분석하였으며, 이러한 특성이 열전도도에 미치는 영향에 대하여 연구하였다.