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TOWARD NEXT GENERATION SOLAR CORONAGRAPH: DEVELOPMENT OF COMPACT DIAGNOSTIC CORONAGRAPH ON ISS
Kyungsuk Cho,Suchan Bong,Seonghwan Choi,Heesu Yang,Jihun Kim,Jihye Baek,Jongyeob Park,Eun-Kyung Lim,Rok-Soon Kim,Sujin Kim,Yeon-Han, Kim,Young-Deuk Park,S.W. Clarke,J.M. Davila,N. Gopalswamy,V. M. Nak 한국천문학회 2017 天文學會報 Vol.42 No.2
건축물 외부 마감 재료의 실대형 화재안전성 시험방법 적용을 위한 비교 실험 연구
조경숙(Cho, Kyungsuk),채승언(Chae, Seungun),최지훈(Choi, Jihun),김흥열(Kim, Heungyoul) 한국방재학회 2017 한국방재학회논문집 Vol.17 No.3
The fire at Haeundae Wooshin Golden Suite in Busan and Daebong Green Apartment in Euijeongbu reminded us of the high risk of fire spreading througth the claddings. But institutional standard to evaluate the risk of flame spread through claddings has yet to be established. Current building code suggests the test method and evaluation standard using a model specimen and thus the test method using a full-scale model to evaluate the whole cladding system has yet to be made available. Thus this study is intended to compare the test methods using BS 8414-1 and ISO 13785-2 among various full-scale tests adoped internationally, with same material, so as to use the result as the basic data in introducing the appropriate test method to the local sites. Consequently, the test results were found different because of some difference in size of speciemen and fire source. 부산 해운대 우신 골든 스위트 화재와 의정부 대봉 그린 아파트 화재사고는 외장재를 통한 화재 확산의 위험성을 알려준 계기가 되었다. 그러나 현행 규정에서는 이러한 외장재의 화염전파에 의한 위험성을 평가할 수 있는 제도적인 기준이 미흡한 상태이다. 건축법에서는 소형시험편을 이용한 시험방법과 평가기준을 제시하고 있으나 실제 규모에서 외장재 시스템 전체를 평가할 수 있는 시험방법이 부재한 상태이다. 따라서 본 연구에서는 국외에서 시행하고 있는 외장재의 실대형 시험방법 중 BS 8414-1과 ISO 13785-2의 시험방법을 동일 외장재를 시공하여 시험방법의 비교를 통해 국내에 시험방법을 도입하는데 있어 기초자료로 사용하고자 하였다. 시험결과 두 시험방법은 시험체의 크기, 화원의 크기 등에 있어 다소 차이가 있어 시험 결과에서도 차이가 발생하였다.
BS 8414-1 시험방법을 적용한 외단열 시스템의 단열재 난연 성능 등급별 화재안전성 비교 실험
조경숙(Cho Kyungsuk),박정우(Park Jungwoo) 한국방재학회 2018 한국방재학회논문집 Vol.18 No.2
최근 국외에서 발생된 일련의 고층건물 화재 사고는 건물 외장재 화재안전의 중요성을 보여주는 사례들이다. 본 연구는 이러한 화재 사고로 인해 대두되는 외부 마감 재료의 화재안전성을 높이기 위한 제도적 장치를 마련하기 위한 것으로, 현행건축법에서 제시하고 있는 소형 시험편을 이용한 재료적 차원의 안전성 테스트의 한계를 보완하기 위해 외부 마감재 시스템을 실규모에서 평가할 수 있는 실대형 시험방법을 도입하고자 소형 시험편의 난연 성능 등급 별 실대형 시험의 화재확산을 평가하였다. 실대형 시험방법은 BS 8414-1에 따라 시험하였으며, 영국 평가 기준에 따른 결과 난연 재료인 PF 보드를 단열재로 적용한 외단열 시스템은 외부 화재 확산을 확인하였으나 내부는 외부 화재 확산에 따른 위험으로 시험을 조기 종료하여 확인하지 못하였고, 불연 재료인 미네랄 울을 단열재로 적용한 시스템은 내ㆍ외부 모두 평가기준에 부합하여 화재 확산이 이루어지지 않은 것으로 확인되었다. Fire incidents at high-rise buildings which have occurred overseas recently show the importance of external cladding system in fire safety. In this study conducted to establish institutional strategies to enhance the fire safety of external cladding materials, full-scale tests to evaluate external cladding system were employed to overcome the limits of material safety tests using small-sized test pieces provided in existing building laws. Therefore, fire spread was evaluated in the full-scale tests for materials of different fire ratings. In the full-scale tests conducted in accordance with BS 8414-1, fire spread through the external insulation finishing system using PF boards classified to be limited combustible by the UK standards. The internal fire spread was not confirmed because the tests were terminated due to the risk associated with the external fire spread. Fire did not spread through the external insulation finishing system employing noncombustible mineral wool and both exterior and interior satisfied the evaluation standards.
시각장애인의 화재인식 및 피난보조장비 최적화를 위한 설문조사 연구
조경숙(Cho, Kyungsuk),서동구(Seo, Donggu),김상헌(Kim, Sangheon),이종호(Lee, Jongho) 한국방재학회 2021 한국방재학회논문집 Vol.21 No.2
화재 발생시 시각장애인의 피난을 도울 수 있는 피난보행보조 장비 개발을 위해 시각장애인 100인을 대상으로 설문을 조사하였다. 설문은 총 3개의 분류로 실시하였고, 화재안전교육 및 훈련, 화재발생시 자력 대피 관련, 방향 확인방법 및 피난 보조 장비 관련으로 질문지를 작성하였다. 설문지 작성 시 시각장애인의 심층인터뷰를 통해 설문지를 완성하였고 웹 설문을 통해 설문을 수행하였다. 설문결과 피난 보행보조 장치는 착용이 편리하고 두 손이 자유로운 손목 밴드형과 익숙한 지팡이 형을 선호하였고 정보 전달을 위한 방안은 음성과 촉각을 선호하는 것으로 응답하였다. To develop a walking aid tool that can help the visually impaired to evacuate in the event of fire, a questionnaire was devised and 100 visually impaired people were surveyed. The questionnaire was divided into four categories: fire safety education and training, self-evacuation in the event of fire, direction checking method, and applicability of an auxiliary evacuation tool. The questionnaire was conducted through a web survey and was followed by an in-depth interview with the visually impaired. The questionnaire results indicated that the respondents prefer wristband-type and conventional cane-type aid tools, which are convenient to wear and render both hands free, as evacuation walking aid tools as well as voice and touch as information sharing methods.
설문 조사를 통한 경극에 대한 인식과 치료 가능성 연구
趙得昌 ( Cho Deukchang ),金德三 ( Kim Dugsam ),崔景淑 ( Choi Kyungsuk ) 중국어문연구회 2020 中國語文論叢 Vol.0 No.101
In this paper, we investigated perception of Peking Opera and therapeutic possibilities of Peking Opera through surveys. The surveys were conducted to find out the young students and their parents’ perceptions of Peking Opera and therapeutic possibilities of Peking Opera. In the respondents level of perception and experience of Peking Opera, it was found that most of them knew a little about it. In the degree of satisfaction with Peking Opera and the reason’, the degree of satisfaction and that of dissatisfaction were similar. In the psychological comfort of Peking Opera and willingness to see it, the 63.0% of respondents who have ever seen it said that the role of psychological comfort was normal. They did not show a particularly positive attitude toward willingness to see Peking Opera in the future. On the other hand, under the assumption that the reasons for dissatisfaction will be improved, it was confirmed that the willingness to see Peking Opera was increased. In the parents’ experience of Peking Opera, the satisfaction on Peking Opera and the title of Satisfying Peking Opera differed between parents and students. However, when it comes to the reason they were satisfied, both the parents and students ranked the artistic value the highest. Taken together, it was confirmed that there is a therapeutic element in Peking Opera and that it can be realized to some extent in the younger generation. And the potential for treatment in Peking Opera, which was identified in connection with the parent generation, was positive. Satisfaction and mental comfort that parents got from Peking Opera increased in proportion to their children’s experience and satisfaction with it. We should also consider that the children’s may have been linked with the experiences of the parent generation. In the future, in relation to the therapeutic effects of Peking Operas, studies on what are the therapeutic effects of them, how people can be treated, and how the treatment methods can be modernized should be conducted in more detail. In addition, we found that before embodying the therapeutic potential of Peking Opera, people should have more opportunities to contact them. For this, it is thought that the points indicated in the survey should be improved.