http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
서울시 주택내 휘발성 유기화합물 공기오염농도의 계절변화에 관한 연구
전정윤,박준석,손장열 대한건축학회 2005 대한건축학회논문집 Vol.21 No.3
For the purpose of examining about seasonal change in concentration of indoor organic compounds in Seoul, 96 houses in the winter and 49 houses in the summer were investigated. Indoor organic compounds concentration were measured and survey was performed by questionnaire. Indoor organic compounds were monitored with two diffusive samplers. One was a cartridge treated with 2,4-dinitrophenylhydrazine for aldehydes sampling. The other was a passive charcoal tube for VOCs sampling. Two samplers were simultaneously exposed in living room during 24 hours. Aldehydes extracted with 2㎖ acetonitrile from the cartridge were analyzed by HPLC equipped with an UV diode array detector. VOCs were extracted with 2㎖ carbon disulfide from the charcoal tube by shaking and then analyzed by chromatograph and mass selective detector. The main Results were as follows. (1) Both of Formaldehyde and VOCs concentration in the summer are lower than that in the winter. This is because of increasing ventilation rate according to the opening of windows in the summer. (2) Formaldehyde, toluene and ethylbenzene were indicated as the major indoor volatile organic compounds in Seoul Residence. (3) There were 10 times of deference in concentration between non-occupied new house and that of post-occupied. (4) There was no significant relation between house type and indoor concentration.
겨울철 주택내 유기화합물 공기오염농도에 관한 측정연구 : 서울시내 96채의 주택을 대상으로 In case of 96 houses in Seoul
전정윤,박준석,손장열,池田耕一 대한건축학회 2004 대한건축학회논문집 Vol.20 No.5
Measurements on indoor organic compounds air pollution level in 96 houses were conducted. Houses which measurement carried out were collected based on the survey results about house type and constructed year in Seoul city. Indoor air organic compounds were monitored with two diffusive samplers. One was a cartridge treated with 2,4-initrophenylhydrazine for aldehydes sampling. The other was a passive charcoal tube for VOCs sampling. Two samplers were simultaneously exposed in living room during 24 hours. Aldehydes extracted with 2ml acetonitrile from the cartridge were analyzed by HPLC equipped with an UV diode array detector. VOCs were extracted with 2ml carbon disulfide from the charcoal tube by shaking and then analyzed by chromatograph and mass selective detector. The main Results were as follows; 1) Formaldehyde were detected in more than 90% of all homes, and average value of detected level was 54.92ppb. This alue is lower than ASHRAE guideline (100ppb) and WHO guideline (80ppb). 2) Toluene were detected in all homes, and EthylAcetate, 1-Butanol, ethylbenzene, p-Xylene, D-limonen were detected more than 50% of all homes. 24 hours averaged level of sum of VOCs was 179.96㎍/㎥, and this value is lower than WHO‘s TVOC(Total Volatile Organic Compounds) guideline (300㎍/㎥). 3) Mostly frequent detective level of formaldehyde was between 50-60㎍/㎥, and 84.09% of all homes showed lower level than WHO guideline. 4) Mostly frequent detective level of sum of VOCs was between 100-150㎍/㎥, and 86.46% of all homes showed lower level than WHO's TVOCs guideline.
이민정,전정윤,Kwok, Alison,三田村輝章,三輪偉江,田村明弘 대한건축학회 2003 대한건축학회 학술발표대회 논문집 - 계획계/구조계 Vol.23 No.1
This documents people's comfort during a 24-hour period of typical daily life immediately followed by a standard climate chamber experiment. The objective of this study is to determine the influence of outdoor weather, expectation, adaptive behaviors and perceptions of comfort on indoor comfort. The surveys and measurements took place in August 2002 in Seoul, Korea and Yokohama, Japan, with 52 subjects carrying small, portable data loggers to record temperatures for a 24-hour period prior to entering a controlled climate chamber. This paper will discuss the preliminary results found for the first half of the experiment and a full paper will follow with subsequent analyses performed from the climate chamber results. Subjects spend more than 90% of their day indoors. During a 24-hour period, subjects were exposed to temperatures ranges of 15.6℃ to 37.4℃ in Seoul and from 16.5℃ to 33.8℃ in Yokohama. Sudden temperature changes (more than 5℃ difference for 10minutes) were recorded more than 3.5 times during the 24-hour period. In both countries subjects were more sensitive to temperature drops than temperature increases.
초소형 구조물의 부착 방지를 위한 새로운 자기 집합 물질에 대한 연구
김봉환,오창훈,전국진,정택동,변장웅,이윤식 경북대학교 센서기술연구소 1998 센서技術學術大會論文集 Vol.9 No.1
In order to achieve stiction-free polysilicon surfaces, we have suggested a new chemical grafting precursor and confirmed their excellent characteristics. When dichlorodimethylsilane(DDS, C_(2)H_(6)SiCl_(2)), a dialkyldichlorosilane widely used in silicon machining, have been used as a precursor, experimental results were clearly comparable to those of monoalkyltrichlorosilanes octadecyltrichlorosilane (OTS, C_(18)H_(37)SiCl_(3)) or 1H,1H,2H,2H-perfluorodecyltrichloro-silane (FDTS, C_(10)H_(4)F_(17)SiCl_(3)) in terms of stiction reduction. The polysilicon cantilevers were fabricated in the carefully controlled conditions and laser interferometer indicated that their residual stress gradient was 2 MPa/μm upward from the substrate. The SEM images of polysilicon cantilever beams with DDS coating are upward and no stiction is observed up to 2 mm in length.
바닥 난방을 사용하는 주택내 거실 온열 환경의 실태조사 -서울과 동경의 사례조사 -
Chun Chung-Yoon,Mitamura Teruaki,Fukai Kazoo 한국주거학회 2005 한국주거학회 논문집 Vol.16 No.1
The purpose of this study is to find out the present thermal environment of the Korean livingroom in comparison with the Japan's. Thermal environment of the livingroom with radiant floor heating system in Korea and Japan is analysed. The surveys and measurements are took place in two detached houses and two apartments in Seoul, Korea and two apartments in Tokyo, Japan for a 48-hour period at the beginning of March, 2003. The result of this study shows that the thermal environment of the livingroom in Korean houses, especially in the apartments is warmer and stabler than the Japan's. However, despite of its high temperature, Koreans have a tendency to rise their room temperature creating excess.
온냉감 평가척도의 간격이 허용온도범위의 산출에 미치는 영향
전정윤(Chun Chung-Yoon),김민재(Kim Min-Jae) 대한건축학회 2008 대한건축학회 학술발표대회 논문집 - 계획계/구조계 Vol.28 No.1(계획계)
The purpose of this study was to find the effect of thermal sensation scale to calculate an accetable temperature range. ASHRAE Std. 55 addressed "Thermal comfort is that condition of mind which expresses satisfaction with the thermal environment" It means that it so difficult to measure the thermal comfort. Because, It is the research about human mind. Until the present, many reasearch used ASHRAE 7-point Thermal Sensation Vote scale to measure the thermal comfort. In this paper, same temperature conditions were evaluated by 7-point scale and 9-point scale, and acceptable temperature ranges were calculated by each scale and then compared by. The results of this study were as follows; The acceptable temperature range was narrower in using 9-point scale and 80% of acceptable range which was calculated by 9-point scale was lower than that was calculated by 7-point scale about 0.7℃.
촉조된 습지 (wetland) 톨 이용한 때수처리의 설계기준에 관한 연구
윤춘경(Chun-Gyeong Yoon),정재춘(Jae-Chun Chung) 유기성자원학회 1996 유기물자원화 Vol.4 No.1
최근 축조된 습지를 이용한 폐수처리에 대한 관심이 높아지고 있다. 이는 습지이용시스탬이 자연정화법을 이용한 처리법으로써 에너지의 소모량이 적고 유지관리가 비교적 간단하며 기술적 난점이 적기 때문으로 판단된다. 그래서 이러한 시스댐은 우리나라 농촌지역에서 특히 응용될 수 있는 처리법이라고 생각된다. 본논문에서는 이러한 처리법을 우리나라에서 적용할 수 있도록 미국 둥 구미선진국에서 개발된 축소형 습지에 대한 설계기준에 대해서 논하였다. 본 논문에서 중점적으로 논한 것은 식생의 종류,자연적 천이와 관리,식재기법,파종기법 및 건설 후의 관리이다. Recently, significant attention is given to the wastewater treatment using Constructed wetland. This 'is because the wetland system is a kind of natural taeatment system, simple to maintain and it has relatively fewer technical difficulty. Thus, it would be a practical method to employ especially in rural area in Korea. 1n this paper, the authors dscuss the design criteria of construted wetland developed in USA as an initial feasibility study to adopt it in Korea. We discuss about especially types of vegetation, natural succession and management, planting techniques, seeding teckniques and management after censtruction.