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구조강성변화에 따른 초대형 부유식 구조물의 유탄성 거동 해석
김진균 ( Kim Jin Gyun ),이승정 ( Lee Seung Jung ),이승오 ( Lee Seung Oh ),지광습 ( Zi Goangseup ) 한국구조물진단유지관리공학회 2009 한국구조물진단유지관리공학회 학술발표회 논문집 Vol.13 No.2
We analyzed behaviors of Very Large Floating Structures using hydroelastic analysis. This study is about behaviors of VLFS considering dimensionless stiffness parameter, S<sub>s</sub> researched by Lee and Newman, 2000. The hydroelastic effect of VLFS is significantly influenced by dimensionless stiffness parameter, S<sub>s</sub>.
N2 Gas 유량에 따른 TiNOx/Ti/Al 흡수율 변화
김진균 ( Jin Gyun Kim ),장건익 ( Gun Eik Jang ),김현후 ( Hyun Hoo Kim ) 한국전기전자재료학회 2015 E²M-전기 전자와 첨단 소재 Vol.28 No.2
Ti was deposited on the Al substrate using DC magnetron sputtering with changing the N2 gas for the possible application of a solar absorbing layer. N2 gas ranged from 50 to 75 sccm was systematically applied in the 5 sccm interval and the variation of the absorption rate was investigated. Micro structural examination and elemental analysis indicate that Ti was reacted with N2 gas and formed TiNOx compound. As compared with the film without any exposure of N2 gas, absorption rate improved by more than 20%. Typically the average absorption of TiNOx fim with 65% of N2 gas was about 99% in the visible range, and the average absorption was more than 90% in the infrared absorption region respectively.