• 제목/요약/키워드: Site-scale study

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강우형태 변화에 의한 소수력발전소 성능특성분석 (Analysis of Performance Characteristic for Small Scale Hydro Power Plant with Rainfall Condition Change)

  • 박완순;이철형
    • 한국신재생에너지학회:학술대회논문집
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    • 한국신재생에너지학회 2009년도 추계학술대회 논문집
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    • pp.614-618
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    • 2009
  • The effects of design parameters for small scale hydro power(SSHP) plants due to rainfall condition have been studied. The model to predict hydrologic performance for SSHP plants is used in this study. The results from analysis for rainfall conditions based on KIER model show that the capacity and load factor of SSHP site had large difference between the period. Especially, the hydrologic performance of SSHP site such as design flowrate due to rainfall condition of recent period varied sensitively. And also, the methodology represented in this study can be used to decide the primary design specifications of SSHP sites.

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기후변화에 의한 소수력발전소 설계변수의 영향 (The Effects of Design Parameters for Small Scale Hydro Power Plant with Climate Change)

  • 박완순;이철형
    • 한국태양에너지학회:학술대회논문집
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    • 한국태양에너지학회 2009년도 추계학술발표대회 논문집
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    • pp.267-272
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    • 2009
  • The effects of design parameters for small scale hydro power(SSHP) plants due to rainfall condition have been studied. The model to predict hydrologic performance for SSHP plants is used in this study. The results from analysis for rainfall conditions based on KIER model show that the capacity and load factor of SSHP site had large difference between the period. Especially, the hydrologic performance of SSHP site due to rainfall condition of recent period varied in design flowrate sensitively. And also, the methodology represented in this study can be used to decide the primary design specifications of SSHP sites.

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A Study on the Relationships between Users' Characteristics and Shopping Site Commitment in Mobile Internet Environment

  • Yoon, Jongsoo
    • 한국컴퓨터정보학회논문지
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    • 제26권5호
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    • pp.133-139
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    • 2021
  • 최근까지 온라인 상거래 영역에서 쇼핑사이트 몰입과 관련한 많은 연구들이 진행되었으나 이들 대부분의 연구들은 유선 인터넷 환경에서의 쇼핑사이트 몰입과 유관 변수와의 관련성을 파악하는데 초점을 두고 있으며, 모바일 인터넷 환경에서 쇼핑몰 이용자의 특성(인구통계적 특성, 쇼핑 특성)과 쇼핑사이트 몰입간의 관련성을 구체적으로 제시하지는 못하고 있는 것으로 판단된다. 이러한 배경에 따라, 본 연구에서는 국내외 다양한 유형의 모바일 쇼핑몰을 이용해 본 경험이 있는 사람들에게 의뢰한 설문지를 분석함으로써, 모바일 쇼핑사이트 이용자들의 다양한 특성(인구통계적 특성, 쇼핑 특성)에 따라 쇼핑사이트 몰입이 어떻게 달라지는가를 실증적으로 파악하는데 초점을 두고 있다. 분석결과, 쇼핑사이트 이용자들의 특성 중에서 성별을 제외한 연령대, 쇼핑시간, 쇼핑규모에 따라 쇼핑사이트 몰입도가 달라짐을 확인할 수 있었다. 본 연구를 통한 분석결과는 국내외 모바일 인터넷 환경에서 고객들의 쇼핑사이트 몰입을 극대화하기 위한 대안을 모색하고 있는 다수의 기업 및 관리자에게 의미 있는 시사점과 가이드라인을 제공할 수 있을 것으로 기대된다.

도시유역에서 공간적으로 분포된 소규모 강우유출수 관리시설의 최적설치위치선정 (Best Site Identification for Spatially Distributed On-Site Stormwater Control Devices in an Urban Drainage System)

  • 김상단;임용균;김진관;강두기;서성철;이재관
    • 한국물환경학회지
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    • 제26권6호
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    • pp.986-993
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    • 2010
  • Spatially distributed on-site devices such as bioretentions and bioboxfilters are becoming more common as a means of controlling urban stormwater quality. One approach to modeling the cumulative catchment-scale effects of such devices is to resolve the catchment down to the scale of a land parcel or finer, and then to model each device separately. The focus of this study is to propose a semi-distributed model for simulating urban stormwater quantity and identifying best sites for spatially distributed on-site stormwater control devices in an urban drainage system. A detailed model for urban stormwater improvement conceptualization simulation is set up for a $0.9342km^2$.

굴착공사 중 계측결과 활용을 통한 효과적인 현장관리 사례 분석 (The Case Study of the Effective Management of the Site Using Measurement Result During the Excavation Construction)

  • 남궁한;정경식;고형선
    • 한국지반공학회:학술대회논문집
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    • 한국지반공학회 2010년도 추계 학술발표회
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    • pp.428-444
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    • 2010
  • After underground excavation being introduced in dometic, many technologies have been storing up. One of them, measurement, has been recognized as an important item under excavation construction. But, unlike a large-scale construction, it was not been treated importantly at the general small-scale structures with poor ordering and original design was unchanged under construction was normal if the problem didn't occur on monitoring. In this paper, the site which safe and economical management as well as shortening construction period was made effectively using measurement result was introduced. Also, the site which was completed safely with analyzing measurement and reinforcement when unusual symptom happened was introduced. Using measurement result effectively will be able to obtain the safety and prevent unnecessary economical loss.

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단지형 다세대주택신축사업의 안전경영모델 표준화 및 적용사례 연구 (A Case Study on Application and Standardization of Safety Adminstration Model in Complex Style Multiflex Housing Business.)

  • 김성수;유태경;유진열;이태식
    • 한국방재안전학회논문집
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    • 제9권2호
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    • pp.43-52
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    • 2016
  • 최근 산업재해의 전반적인 감소에도 불구하고, 건설업은 증가추세이다. 사고의 대부분은 안전관리자가 선임되어있는 규모가 큰 공사현장보다 다세대주택, 리모델링, 근생시설 등 규모가 작은 공사현장에서 많이 발생한다. 실제 사업장 규모별로 보면 전체 재해의 81.6%, 대부분이 120억원미만 50인미만 소규모 사업장에서 발생됐다. 본 연구에서는 단지형 다세대주택신축사업을 추진하는 소규모 주택업체의 안전관리 운영실태를 조사하고 분석하여 효시적으로 안전경영모델을 표준화시켜 적용했으며, 소규모 주택업체가 표준화된 안전경영모델을 쉽게 이해하고 실천하여 무재해를 달성하는데 목적이 있다.

인터넷 쇼핑몰사이트 평가 척도 개발 (Development of an Evaluation Scale of Internet Shopping Mall Sites)

  • 김기옥;남수정
    • 가정과삶의질연구
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    • 제22권4호
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    • pp.15-27
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    • 2004
  • This study investigated the factors in evaluating internet shopping mall sites, and developed a self-report evaluation scale of such sites, This article identifies factors to determine criteria for evaluating the sites from the consumers' viewpoint. Eighty three items were extracted initially, which were then categorized as follows: \circled1 Type of business, \circled2 Navigation ease, \circled3 Technological level, \circled4 Design of sites, \circled5 Communication ease, \circled6 Information available, \circled7 Ease of access, and \circled8 Site security, Overall reliability coefficients were high in the individual domains ($\alpha$=.86 to $\alpha$=.95). Face validity and contents validity were demonstrated to be good, There were significant differences in the means of these categories. The results also show that the technological level is the most important in shopping mall sites evaluation. These results may be used not only as a tool to evaluate shopping mall sites but also as a guideline to improve the quality of a shopping mall site that is under development.

축소모형 강관추진실험 경향 분석 (Analysis of pipe roof method test with a reduced-scale model)

  • 엄기영;정관동;이성혁;천정연;장희정;이종태
    • 한국철도학회:학술대회논문집
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    • 한국철도학회 2010년도 춘계학술대회 논문집
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    • pp.664-670
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    • 2010
  • The study on mechanical behavior of the structure at the site includes experimental method and numerical analysis method. Experimental method is categorized into true-scale test and laboratory model test. A laboratory model test is to monitor the failure mechanism with a model simulated similar with a real ground so as to identify the quantitative result, while a true-scale model test is the approach which enables to identify the potential problems that may occur with a simulated construction situation similar with a real site circumstance. Thus this study was intended to carry out the experimental test of non open-cut excavation by pipe roof method which is mostly common in domestic sites. as well as was aimed at identifying the ground behavior occurred during pipe penetration using laboratory model test. Appropriate reduced-scale model was selected, taking into account of domestic geological characteristics and operation characteristics of traditional and high-speed rail trains and the qualitative evaluation of displacement was carried out based on a certain ground loss volume depending on excavation after categorizing trackbed settlement pattern by depth of top soil.

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위치 지식의 개념화를 위한 사례 연구 (Case Study forthe Conceptualization of Location Knowledge)

  • 기근도
    • 한국지형학회지
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    • 제24권3호
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    • pp.133-147
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    • 2017
  • This study investigated the cases of relative location, especially focused on the geomorphological situation, for the conceptualization of the location knowledge. In order to perform this study, first of all, I approached meaning of location. In this study I used the terms 'site' and 'situation'. 'Site' as used here means the location of a given place with its local internal features or resources. 'Situation' refers to the location of place as related to other places. As to location, no place exists in isolation. Therefore, it is necessary to look beyond the internal nature of the area itself to perceive its external relations with other areas. The examples of geomorphological situation were focused on the scale linkage of the examples, the interaction between elements of earth surface processes, and the method of comparative region. The regions of examples were the landscape of Mt. Hymalaya to Bengal deep sea fan, the climatical difference of continental east and west, the landscape of Mt. Geum & Sangju beach, the landscape of the south and north face of Mt. Mai., Hamjibaakgol asymmetrical valley, and the landscape of inland sea and outer sea type island.

인터넷 전자상거래 환경에서의 구전효과의 선행 요인에 관한 연구 (A Study on Antecedents of WOM in the Context of Internet E-Commerce)

  • 조현;이정민
    • 한국IT서비스학회지
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    • 제12권2호
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    • pp.231-242
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    • 2013
  • E-commerce market has been increasing rapidly, which reflects the convenience and economic benefits associated with its usage. Unlike the traditional markets, WOM (Word-of-Mouth) becomes more important because e-commerce consumers can't experience the real product in the purchase decision-making process. In this regard, identifying the influencing factors to WOM of internet e-commerce site is very important. In this paper, we aim to examine the effects of perceived and individual variables on WOM in the context of internet e-commerce site. In order to analyze the antecedents, we selected perceived and individual factors such as regret tendency scale, prior knowledge and merchandise attractiveness. In addition, we examined the role of gender as dummy and moderating variable. For empirical analysis, we surveyed real users of internet e-commerce site. As a result, all antecedents showed significant influence on WOM except regret tendency scale. Among the variables, the merchandise attractiveness has top standardized coefficient. Gender plays a role as moderating variable when only interacting with regret tendency scale. The results of this research can be useful guidelines for internet e-commerce providers.