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조원재(Won-Jae Cho),황아름(A-Reum Hwang),김상우(Sang-Woo Kim) 대한기계학회 2017 大韓機械學會論文集A Vol.41 No.7
금속이 코팅된 FBG(fiber Bragg grating) 센서는 구조물이 과거에 겪은 최대 변형률을 기억하는 기억효과(memory effect)를 가진다. 본 연구에서는 무전해 도금법과 전해 도금법을 이용하여 약 43μm의 두께를 가지는 니켈(nickel)이 코팅된 FBG 센서를 제작하였다. 니켈 코팅된 FBG 센서의 잔류 변형률 생성성능, 즉, 기억효과를 검증하기 위해 반복하중 실험(잔류 변형률 생성실험)을 수행하였다. 인가한 최대 변형률의 크기가 증가함에 따라 잔류 변형률이 증가함을 확인함으로써 기억효과를 검증하였다. 본 연구에서 수행한 니켈이 코팅된 FBG 센서의 제작 기법과 센서에 대한 반복하중 실험결과는 향후 광섬유 센서를 이용한 구조물 건전성 감시(SHM, structural health monitoring)기법 개발에 기본 데이터로서 활용될 것이다. A metal-coated FBG (fiber Bragg grating) sensor has a memory effect, which can recall the maximum strains experienced by the structure. In this study, a nickel-coated FBG sensor was fabricated through electroless (i.e., chemical plating) and electroplating. A thickness of approximately 43 μm of a nickel layer was achieved. Then, we conducted cyclic loading tests for the fabricated nickel-coated FBG sensors to verify their capability to produce residual strains. The results revealed that the residual strain induced by the nickel coating linearly increased with an increase in the maximum strain experienced by the sensor. Therefore, we verified that a nickel-coated FBG sensor has a memory effect. The fabrication methods and the results of the cycle loading test will provide basic information and guidelines in the design of a nickel-coated FBG sensor when it is applied in the development of structural health monitoring techniques.
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김효영(Hyo Young Kim),박강건(Gang Gun Park),황아름(A Reum Hwang),최장순(Jang Soon Choi),강훈(Hoon Kang) 인문사회과학기술융합학회 2018 예술인문사회융합멀티미디어논문지 Vol.8 No.10
묵호항 철도하역장은 묵호항을 개설했을 때부터 동해시 성장의 중심지였음에도 현재는 일반인의 출입 통제와 화물 및 어획량 감소로 경제·공간적 가치가 저하되어있는 상태로, 철도하역장이 이전되는 2020년쯤에는 철도하역장을 포함하여 주변의 슬럼화가 가속화되고 있다. 이런 상황에서 묵호항 철도하역장의 재생계획안을 제시함에 있어 리좀의 이론을 적용하여 표현코자 한다. 따라서 본 연구는 유·무형의 가치가 저하된 묵호항 철도하역장에 대해 리좀의 특징을 적용한 건축형태 계획안을 제시하고, 묵호항 철도하역장과 주변 구역의 이질적인 요소들을 활용하여 묵호항 철도하역장을 재생함으로써 그 가치를 높이는 것을 목적으로 한다. 이런 목적을 바탕으로 묵호항 철도하역장 재생계획안의 적용가능성과 적용한 계획안의 긍정적 효과에 대해 확인하고자 한다. 연구의 과정에서는 이론과 대상지에 적용하고자 하는 계획안 연구로 범위를 규정하여 실용적 가치 여부에 관한 연구는 본 논문의 영역에서 다루지 않고 추후의 과정으로 남겨놓고자 한다 The Mukho Port Railroad district with the receiving and shipping space has been the center of growth in Donghae city since its opening at Mukho Port. However, the value of the economy and space has been reduced due to the restriction of citizen’s access and the decrease of freight trains and fish catches, hence the slumism of Mukho port railroad district is accelerating further. In this situation, this study proposes a regeneration plan of Mukho Port railroad district with the receiving and shipping space to apply it to the Rhizome theory. Therefore, this study suggests the architectural plan that applies the characteristic of the rhizome to the railway dockyard of Mookhohang Railway which has low value of tangible and intangible. The purpose of this study is to investigate the applicability and effectiveness of the restoration plan of the Mukhoang Port Railway Dockyard based on this purpose, I will leave it as a process of the study of practical value.
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황아름,정인숙,Hwang, A-reum,Jeong, Ihnsook 한국학교ㆍ지역보건교육학회 2018 한국학교지역보건교육학회지 Vol.19 No.1
Background & objectives: This study was aimed to identify the hand hygiene (HH) compliance and related factors among teachers working at child day care centers. Method: This study was done with 44 teachers working at home child day care center in Changwon. Data on hand hygiene compliance was measured using direct observation method from July to December, 2016 with structured observation sheet. Collected data was analyzed by descriptive statistics, and t-test or ANOVA using SPSS Statistics version 23.0. Result: Complete HH compliance rate was 54.0%, the highest in 'before having meals' (81.6%) and the lowest in 'after having meals' (25.8%). However, incomplete HH compliance rate was 34.5%, the highest in 'after contact with secretions' (47.8%) and the lowest in 'before having meals' (18.4%). The HH rate was related with working experience. Conclusion: The HH compliance rate among child care teachers was not satisfactory. About one quarter of child care teachers have taken hand hygiene related training. Therefore, child care teachers should be encouraged to participate in hand hygiene related education program regularly.
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지상, 수상, 항공레저스포츠관광을 통한 여가만족이 웰니스(Wellness)에 미치는 영향
김설향(Seol Hyang Kim),신아름(A Reum Shin),황선환(Sun Hwan Hwang) 한국사회체육학회 2012 한국사회체육학회지 Vol.0 No.50
The purpose of the current study was to examine the effects of leisure satisfaction based on ground, water, air leisure sport-tourism activities on wellness. A total of 437 respondents were selected from three different leisure sport-tourism activities such as ground, water, and air leisure sport-tourism activities using the quota sampling method. The findings were as follows: First, leisure satisfaction with air leisure sport-tourism activities was higher than ground and water leisure sport-tourism activities, and it of water leisure sport-tourism activities was higher than ground leisure sport-tourism activities. Second, the perception of wellness from air leisure sport-tourism activities was higher than it from ground and water leisure sport-tourism activities. Finally, leisure satisfaction with leisure sport-tourism activities had a positive influence on the perception of wellness.
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