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소규모 상업시설 에너지(전력) 소비특성에 따른 계약전력 적정성 분석 연구
이응신(Lee, Eung-Shin),김현아(Kim, Hyun-Ah),이명주(Lee, Myoung-Ju) 대한건축학회 2016 대한건축학회논문집 Vol.32 No.6
This study evaluates the data of energy consumption pertained by Seoul’s energy engineers, whom visited 1,919 small businesses in Seoul. Categorizing the businesses into a total of 20 types based on the 9th Korea Standard Industrial Classification System, the amount of electricity consumed by each type of business was compared to their signed electricity contracts in evaluating its propriety. The majority of small businesses in Seoul operate upon a 5kW electricity contract. Comparing the set monthly maximum amount to the actual amount of electricity used, about 25% of such businesses were found to be either assigned to a higher maximum amount than necessary or charged to pay overages by exceeding the amount set by the contract. Such businesses that currently exceed or shortfall the arranged amount should switch to a proper contract through determining the proper amount of electricity needed to reduce both cost and energy usage. As the different types of businesses show different characteristics in energy consumption, it will be necessary to provide an adequate measure or standard accordingly. Although the results of this study may include errors as its data accumulated during the past three years are specifically based upon electricity contracts, continued research of electricity consumption through case studies will allow for determining our present condition in electricity consumption for various architectural criteria.
유명신 ( Myeong Shin Ryu ),이민영 ( Min Young Lee ),이찬우 ( Chan Woo Lee ),박규태 ( Kyu Tae Park ),김은지 ( Eun Ji Kim ),서영일 ( Young Il Seo ),김현아 ( Hyun Ah Kim ) 대한류마티스학회 2011 대한류마티스학회지 Vol.18 No.3
Objective. Any joint disorders can present as monoarthritis initially, which makes the range of differential diagnosis of monoarthritis extensive. Synovial biopsy may play a role in the diagnosis of monoarthritis. We reviewed the synovial biopsy findings of monoarthritis patients in order to assess its diagnostic value. Methods. Synovial pathologic findings of 39 patients who visited the rheumatology or orthopedic surgery clinic for acute or chronic monoarthritis from Feb., 2006 to Jul., 2010 were reviewed retrospectively. Result. Four (10.3%) of 39 patients could be diagnosed with specific arthritis after synovial biopsy (rheumatoid arthritis, tuberculous arthritis, giant cell tumor, and osteochondroma, each). Conclusion. The result showed that the synovial biopsy is useful for differential diagnosis of monoarthritis in a limited number of cases.
이응신(Eung-Shin Lee),김현아(Hyun Ah Kim),변수영(Su Young Byun),이명주(Myoung Ju Lee) 한국신재생에너지학회 2021 한국신재생에너지학회 학술대회논문집 Vol.2021 No.7
N 제로에너지주택단지는 난방부하와 냉방부하가 기존 주택보다 많이 줄어든 상태에서 제로에너지를 달성하는데 필요한 에너지는 신재생에너지로 공급하는 개념으로 설계, 시공이 되었다. 급탕부하는 기존의 주택과 비교해서 차이가 거의 없는 상태에서 난방과 냉방 등을 포함한 모든 열부하를 지열에너지를 생산하여 공급했다. 본 연구에서는 장기적인 지열에너지 생산이 가능한지 검증하기 위해 지중열교환기의 열적 성능 변이와 히트펌프의 성능 변화 사이의 관계를 3년 이상 조사하였다. 지중열교환기의 교차 배치를 통해 냉방과 난방에너지의 생산량이 균형을 이루도록 하였고, 급탕에너지 생산은 지중열교환기의 단지의 가장자리로 배치하여 연중 온수생산을 연속으로 해도 성능저하가 많이 발생하지 않도록 하였다. 겨울철 온수생산이 많은 계절에도 지중열교환이 되는 온도는 2도 가까이 유지를 해서 히트펌프의 성능에는 거의 변동이 없었다. 본 연구를 통해 제로에너지주택단지에서 전체 열부하를 감당하는 지열에너지는 타 열원에 비해 운영상 큰 문제점 없이 적용 가능하다는 결과를 도출하였다. 앞으로 제로에너지건축물의 의무화를 앞두고 N 제로에너지주택단지의 지열에너지 적용 결과는 긍정적인 사례로 평가되었다.
기업 이미지 특성을 표현한 국내 사옥 파사드 디자인에 관한 연구
김현신(Kim, Hyun-Shin),최상헌(Choi, Sang-Hun) 한국실내디자인학회 2014 한국실내디자인학회논문집 Vol.23 No.6
Corporate images are created inside the corporate and then peppered throughout the public such as consumers, communities, countries, etc. who are outside the corporate. Therefore, corporations express their corporate images through such visible images as CI, products, brands, advertisements, company buildings, etc. in order to form a favorable corporate image for the public. Therefore, many corporations have begun to express various visual factors in order to form their images. So, the purpose of this study is to determined the connectivities of corporate images and facade design of company buildings, and to elicit the findings for whether corporate images are applied to the facade design of company buildings, and of what expressive factors are applied to the design, if so. The conclusions are as follows: First, an examination of the degree that the characteristics of corporate images and design components of the facade design of company buildings have been expressed showed that corporations preferred the design of company buildings on which a lot of components have been expressed. Second, it also showed that they preferred determinants of the facade design of company buildings in the order of architectural factors > visual factors > decorative factors. Third, it indicated that the corporations on which the design components of the facade design of company buildings have been reflected most were in the order of C > B, D > A, E > G > F, J > H, I. Fourth, it further showed that most of the corporations have used curtain walls as materials of the facade design.
수직자기이방성을 갖는 [Pd/Ferromagnet] 다층막에서 표면자기이방성에 따른 교환력과 보자력의 의존성
허장(Jang Heo),김현신(Hyun-shin Kim),최진협(Jin-hyup Choi),이기암(Ky-am Lee) 한국자기학회 2008 韓國磁氣學會誌 Vol.18 No.3
Dependence of the exchange bias and coercivity as surface magnetic anisotropy and ferromagnet materials for [Pd/Co]<SUB>N</SUB> and [Pd/Co,(CoFe)]<SUB>N</SUB>/FeMn multilayers with perpendicular magnetic anisotropy were investigated. The coercivity was proportionally increased to 670 Oe by increasing stack number N in Ta(2.1 ㎚)/[Pd(3.1/N)/Co(1.2/N)]<SUB>N</SUB>/Ta(2.1) multilayers with perpendicular magnetic anisotropy. Also, the coercivity in exchange biased multilayer was tend to increased by increasing stack number N. But coercivity of each materials have been in order of Co (600 Oe), Co?Fe? (520 Oe) and Co?Fe₂(320 Oe) as function of the ferromagnet materials. The other side, exchange force of each materials is 300 Oe when the reiteration layer number N is 3. In over number of reiteration layer 3, they maintained coercivity between 200 Oe and 300 Oe.
저 출산 시대의 자녀 양육과 교육에 대한 한국 어머니들의 인식 및 실태 조사
우남희 ( Nam Hee Woo ),김영심 ( Young Shim Kim ),이은정 ( Eun Jung Lee ),김현신 ( Hyun Shin Kim ) 미래유아교육학회 2009 미래유아교육학회지 Vol.16 No.3
The primary purpose of this study was to identify mothers` perception and current status concerning the education and nurturing for their children, and to identify the fundamental reasons of low birthrate in Korea. Data were collected from two after-birth mother care centers, 19 kindergartens and daycare centers, and 3 elementary schools located in Seoul and Kyunggi province using convenience sampling method. The participants for this study were parents who have children aged from 0 to 11 years. Findings indicated that mothers considered the early childhood as the most critical period for requiring assistance of motherhood, and that they regarded personality education as the most important matter. It was found that mothers spent too much on private education focusing on children`s cognitive development. Thus, in reality mothers could not spend much time and effort on educating children`s personality. Most of the mothers responded that private education is appropriate for their children`s competitive advantage, and sent children to those private programs. Mothers considered the private education as required instead of selective. Therefore, they were burdened with excessive expenses of private education and nurturing, leading to low birthrate.