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홍수 예.경보 체계 개발을 위한 연구 - 화옹호 유역의 유역 확률홍수량 산정 -
김상호,김한중,홍성구,박창언,이남호,Kim, Sang-Ho,Kim, Han-Joong,Hong, Seong-Gu,Park, Chang-Eoun,Lee, Nam-Ho 한국농공학회 2007 한국농공학회논문집 Vol.49 No.4
The objective of the study is to prepare input data for FIA (Flood Inundation Analysis) & FDA (Flood Damage Assessment) through rainfall-runoff simulation by HEC-HMS model. For HwaOng watershed (235.6 $km^{2}$), HEC-HMS was calibrated using 6 storm events. Geospatial data processors, HEC-GeoHMS is used for HEC-HMS basin input data. The parameters of rainfall loss rate and unit hydrograph are optimized from the observed data. HEC-HMS was applied to simulate rainfall-runoff relation to frequency storm at the HwaOng watershed. The results will be used for mitigating and predicting the flood damage after river routing and inundation propagation analysis through various flood scenarios.
CRT 디스플레이의 패널곡률이 시각작업 수행도와 안피로도에 미치는 영향
김상호,장성호,임종호,Kim, Sang-Ho,Jang, Seong-Ho,Im, Jong-Ho 대한인간공학회 2003 大韓人間工學會誌 Vol.22 No.3
An experiment was carried out to compare the suitability in visual tasks between flat and conventional (convex) cathode-ray tube (CRT) displays. The subjects performed visual search tasks during 2-h for detecting target words among distracters presented on the screen. The subjects' visual performance was evaluated with average time and number of errors made to complete the tasks. Visual fatigue after the search tasks was also evaluated in terms of degradations in accommodative power and subjective ratings. Difference was not found in task time between the two displays, but flat CRT showed a lower number of errors than conventional CRT. The difference in number of errors was statistically significant at 0=0.05. Although there was no difference between the displays in degradations of accommodative power, results from the subjective ratings showed that flat CRT yields less fatigue than conventional CRT. The results partially support the hypothesis that panel convexity of CRT displays has a significant effect on the performance and fatigue during visual tasks and thus flat CRT is the better display than conventional one.
급속응고된 비정질 Zr-Be 합금 용가재를 이용한 Zircaloy-4의 브레이징 특성
김상호,고진현,박춘호,김성규,Kim, Sang-Ho,Go, Jin-Hyeon,Park, Chun-Ho,Kim, Seong-Gyu 한국재료학회 2002 한국재료학회지 Vol.12 No.2
This study was conducted to investigate the brazing characteristics between Zircaloy-4 nuclear fuel cladding tubes and bearing pads with filler metals of amorphous $Zr_{1-x}Be_x$(0.3$\leq$x$\leq$0.5) binary alloy, in which they were produced in the ribbon form by the melt-spinning metod. The crystallization behavior, stability, hardness and micro-structure of brazed zone were examined by X-ray diffraction, differential scanning calorimetry, micro-Vickers hardness test, optical microscopy, and transmission electron microscopy. $Zr_{1-x}Be_x$(0.3$\leq$x$\leq$0.4) amorphous alloys were crystallized to $\alpha$-Zr with increasing the temperature, and the rest were transformed to ZrBe$_2$at higher temperatures. On the other hand, $Zr_{1-x}Be_x$(0.4$\leq$x$\leq$0.5) amorphous alloys were crystallized to $\alpha$-Zr and ZrBe$_2$, simultaneously. The thickness of the layer brazed with amorphous alloy was increased with increasing the beryllium content due to the higher diffusion of Be. The morphology of brazed layer with PVD Be filler metal showed dendrite while that brazed with amorphous alloys appeared globular. Micro-Vickers hardness of brazed zone increased as the beryllium content of filler metal was decreased.
출협, 25회 책의날 기념식 최원영 사장, 출판유공자상 수상
김상호,Kim, Sang-Ho 대한인쇄문화협회 2011 프린팅코리아 Vol.10 No.11
지난 10월 5일 서울역사박물관 1층 강당에서 대한출판문화협회(회장 윤형두)의 주관으로 열린 '제25회 책의 날'행사가 열렸다. 이날 행사에는 한나라당 조윤선 국회의원, 김남수 대한인쇄문화협회장, 김종규 삼성출판 박물관장 등 내빈과 200여명의 출판업계 관계자가 참석한 가운데 거행되었으며 '책의 날을 받드는 글'낭독, 기념사, 축사 및 시상식의 순으로 진행됐다.
프린팅 월드 - 일본에서 전망하는 드루파2012 이후 인쇄산업
김상호,Kim, Sang-Ho 대한인쇄문화협회 2012 프린팅코리아 Vol.11 No.9
세계 최대의 인쇄전문 전시회인 드루파2012는 행사 기간 동안에 외국 관람객 19만명을 포함하여 130개국 31만명 이상이 참가하는 성과를 남기는 한편, 디지털인쇄, 자동화, 패키지인쇄, 하이브리드기술, 웹투프린트 등 관련된 기술 및 제품을 선보여 다양한 볼거리를 제공했다. 특히 디지털 인쇄는 예상을 웃도는 새로운 제품과 기술을 선보여 디지털인쇄가 새로운 세대로 접어들었음을 선포했다. 또한 중국기업의 출전이 눈에 띄게 두드러진 것도 이번 드루파전시회의 특징중 하나였다. 이번호에서는 이번 드루파를 통해서 엿볼 수 있었던 인쇄산업의 변화와 미래에 대해서 살펴본다.