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한상필,안승호,최춘기,정명영,Han, Sang-Pil,An, Seung-Ho,Choe, Chun-Gi,Jeong, Myeong-Yeong 한국광산업진흥회 2003 광산업정보 Vol.15 No.-
광접속 모듈은 리본 광섬유와 같은 여러 가닥의 광섬유를 이용하여 고속으로 대용량의 광전송을 위하여 광신호를 병렬로 전달하는데 사용되는 광부품으로서, 보드간, 백플레인간 및 칩간 접속 기술에서의 발생되는 데이터 소도, EMI, crosstalk, 이더넷, OC-192 VSR용으로 주로 사용되고 있지만 점차적으로 광백플레인, 광가입자망 등에 확대 응용될 전망이다.
자연채광의 응용에 의한 합성조명방식의 시각적 쾌적성에 관한 연구
한상필,전용한,한상철,Han, Sang-Pil,Jeon, Yong-Han,Han, Sang-Chul 한국태양에너지학회 2012 한국태양에너지학회 논문집 Vol.32 No.suppl3
The purpose of this study is to understand the change of impression by comparing the uniformity lighting with the compound lighting. In previous study, we proposed a light controlling method to harmonize daylight from a window and artificial lights from a ceiling and obtained the results to support our method. We referred this method as the Adjusted Compound-Lighting Model (AC Model). The experiment is carried out with the scaled-models and mock-up spaces that were supposed to be an office space. One is lit by the uniform lighting and the other by the compound lighting in each experimental space. In order to present varying illuminance distributions, the two variables were used in this study. Subjects were asked to evaluate the point of difference by semantic differential rating on their overall impression after comparing with two rooms. The results showed that the impressions of compound lighting were more positive score than that of uniformity lighting on the items of 'dim-bright', 'dislike-like', 'artificial-natural' and 'closed-open', and that there was no significant difference in impressions between two spaces on other items.
한상필,전용한,Han, Sang-Pil,Jeon, Yong-Han 한국터널지하공간학회 2011 한국터널지하공간학회논문집 Vol.13 No.6
도로터널의 환기 시스템은 차량 화재시 안전한 대피환경을 조성하는데 중요한 역할을 하며 종류환기방식과 횡류환기방식으로 대별된다. 본 연구에서는 횡류환기방식에서 대배기구방식에 대한 터널내 풍속, 배연풍량, 개방되는 배기구의 위치에 따른 유동가시화에 대하여 선행 연구와 FDS 시뮬레이션에 의한 결과를 비교하여 연기의 이동특성을 고찰하였다. 그 결과, 연기발생량(Vc=0)에 따른 배연풍량을 제어하여 연기를 피난허용범위 250 m 이내로 제한할 수 있었으며, 터널풍속이 1.75 m/s 와 2.5 m/s일 때 배연풍량은 각각 $173m^3/s$, $236m^3/s$ 을 초과하여야만 연기이동 거리를 250 m로 제한할 수 있었으며 화재지점 가까이에 있는 2개의 배기구를 동시에 개방하는 경우가 배연의 효과가 현저하게 높게 나타났다. The smoke control system plays the most important role in securing evacuation environment when a fire occurs in road tunnels. Smoke control methods in road tunnels are classified into two categories which are longitudinal ventilation system and transverse ventilation system. In this study it is intended to review the characteristics of smoke behavior by performing numerical analysis for calculating the optimal smoke exhaust air volume with scaled-model and simulation when a fire occurs in tunnels in which transverse ventilation is applied, and for obtaining the basic data required for the design of smoke exhaust systems by deriving optimal smoke exhaust operational conditions for various conditions. As a result of this study, when the critical velocity in the tunnel is 1.75 m/s and 2.5 m/s, the optimal smoke exhaust air volume has to be more than $173m^3/s$, $236m^3/s$ for the distance of the smoke moving which can limit the distance to 250 m. In addition, in case of uniform exhaust the generated smoke is effectively taken away if the two exhaust holes near the fire region are opened at the same time.
실내조명환경의 시각적 쾌적성 확보 및 조명부하 저감을 위한 채광제어방법에 관한 연구
한상필(Han, Sang-Pil) 한국태양에너지학회 2012 한국태양에너지학회 논문집 Vol.32 No.6
In previous study, to investigate the impression of the compound lighting based on the AC-Model at the full-size room, the impressions of various compound lighting were completed as compared with that of the uniform lightings through the comparison method (a paired comparison) by Semantic Differential scaling. Also, we examined the effect of the supplementary lighting type increasing the lights at the side of the window and the blind-control lighting type, and they were compared with the existing compound lighting type. In results, pared comparison of the compound lighting and the uniform lighting, indicates that the impression of the compound lighting is generally similar to that of the uniform lighting when there are same ratios of the light from the window. Based on these results, we suggest that the AC-Model might be applied to various conditions. And we also introduce the method for daylighting that it is possible to reduce discomfort glare and to improve visual impressions as the supplementary type and blind-control type on the compound lighting. And it was found that electric power consumption of the compound lighting room was lower than that of the uniform lighting room when as same lighting ratio of the compound lighting and the uniform lighting from the window was provided or there was the lighting distribution simulated to same light ratio from the window. Since the method of the ACModel was described in the experimental condition, additional studies should be performed to determine if this model could be applied to different window configurations, lighting layout and types of a room.
한상필(Han, sang-pil),남영재(Nam, yong-jae) 한국호텔외식관광경영학회 2015 한국호텔외식경영학회 학술발표논문집 Vol.- No.-
The purpose of this study is that existing river differences research. The reason is that research has not been conducted on the subject selected Attributes by Importance Satisfaction river visitors. Already after river restoration can help to progress for sure how many years have past forward what think is important and part of the at the time of any visit from the Selection Attributes of the existing rivers and streams will be restored to induce people to visit a lot of meaning. The results could be a useful basis for policy alternative and direction in the river restoration and utilize reference of a follow-up study about the river spatial restoration. In this study, leading to the restored river adjacent to the gyeongancheon and local farmland, mountain adjacent to the metropolitan city hampyeongcheon, the relationship between the satisfaction of the importance of the visit, select Properties Two Rivers targets and to ensure through the Ordered probit model.
한상필(Han Sang-Pil),한상철 한국태양에너지학회 2012 한국태양에너지학회 학술대회논문집 Vol.2012 No.3
The purpose of this study is to understand the change or impression by comparing the uniformity lighting with the compound lighting. In previous study, we proposed a light controlling method to harmonize daylight from a window and artificial lights from a ceiling and obtained the results to support our method. We referred this method as the Adjusted Compound-Lighting Model (AC Model). The model claims that lighting in a room with a side-window are perceived as harmonious when the overall light distribution in the room is well approximated by a compound of lights from the window and the entire ceiling. The experiment is carried out with the scaled-models and mock-up spaces that were supposed to be an office space. One is lit by the uniform lighting and the other by the compound lighting in each experimental space. In order to present varying illuminance distributions, thetwo variables were used in this study. One was the ratio of thelight from the window and ceiling in the standard and evaluation box. The standard box was provided by the ratio of 20% to 40% from the window and 80% to 60% from the ceiling as two lighting ratio patterns [Wu20(=Cu80) and Wu40(=Cu60)]. And the evaluation box was provided by the light ratio of 0% to 40 from the window and 100% to 60% from the ceiling [Wcp0(=Ccpl00), Wcp20(=Ccp80) and Wcp40(=Ccp60)]. The other variable was themean illuminance level in both boxes. Two level of mean illuminance (700lx and 300lx) were used in this experiment Each lighting condition was established at equal horizontal mean illuminance level, held constant near 700lx or 300lx in both boxes. Both of them were in the shape of distribution when there were same ratios of lights from the window and the ceiling. Subjects were asked to evaluate the point of difference by semantic differential rating on their overall impression after with two rooms. The results showed that the impressions of compound lighting were more positive score than that of uniformity lighting on the items of 'dim-bright', 'dislike-like', 'artficial-natural', and 'closed-open', and that there was no significant difference in impressions between two spaces on other items.
한상필(Han Sang-Pil),김종윤(Kim Jong-Youn),조남철(Cho Nam-Cheol),이용규(Yi Yong-Kyu),김남진(Kim Nam-Jin) 한국태양에너지학회 2013 한국태양에너지학회 논문집 Vol.33 No.5
In our former study, we proposed that the AC-Model might be applied to various conditions. And we also introduced the method for daylighting that it was possible to reduce discomfort glare and to improve visual impressions as the supplementary type and blind-control type on the compound lighting. The purpose of this study was to examine the relationship between physical elements and psychological evaluation of lighting space. The study was made using an full-size space, which were equipped with various luminaries. We investigated the relationship between subjective evaluation and characteristics of light distribution and showed the high correlation between the evaluation rating and luminance distribution over whole room.