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항공기 좌석 쿠션 난연시험 감항기준 충족을 위한 오일버너 화염 교정에 관한 연구
이강이,이희창,최종혁 항공우주시스템공학회 2025 항공우주시스템공학회지 Vol.19 No.3
항공기 캐빈 인테리어 부품은 승객의 안전을 위해 감항기준에 따른 난연성 요건을 만족하여야 한다. 특히, 항공기 좌석 쿠션의 경우에는 오일버너를 이용한 난연시험에서 화염의 열에너지를 온도와 열유량 값으로 설정하도록 규정하고 있다. 오일버너 화염의 온도와 열유량은 연료유량, 공기유량, 연료노즐, 버너 콘의 형상뿐만 아니라, 화염의 형태와 방사 패턴에 따라서 크게 좌우된다. 즉, 감항기준에 따라 화염의 온도와 열유량을 설정하더라도 그 화염의 분포가 일정하지 않아 시험에 실패할 수 있다. 이에 따라서 본 연구에서는 오일버너 화염의 온도 및 열유량에 대한 교정시험을 통하여 최적 시험조건을 설정하고, 해외 전문기관 시험과 상호검증을 통하여 신뢰성과 공신력을 확보하였다. Aircraft cabin parts should be met flammability requirements of airworthiness standards for passenger safety. Especially, an aircraft seat cushion is required to conduct an oil burn test under prescribed temperature and heat flux of the flame, which depend on flame shape and spread pattern as well as fuel flow rate, air flow rate, fuel nozzle, burner cone, and so on. Thus, an oil burner test could be failed even when flame temperature and heat flux are set to values prescribed in the appropriate airworthiness standard. In this study, the optimal test condition was established through calibration test for flame temperature and heat flux of the oil burner. Reliability and public trust on oil burner flammability test’ capability were examined through correlation tests with an oversea prominent test facility.
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병원 내 심폐소생술 시 아이겔의 고정방법에 따른 환기량의 차이 비교: 시뮬레이션 마네킹을 이용한 연구
이강이,신상열,황용,최정우 대한응급의학회 2023 대한응급의학회지 Vol.34 No.3
Objective: The I-gel device and endotracheal tube are used for advanced airway management during cardiopulmonary resuscitation (CPR). This study compares differences in the ventilation volume according to the fixation methods (tape and band) of I-gel using a simulation manikin. Methods: I-gel was placed in an advanced life support simulator and fixed with either tape or band fixation, and an endotracheal tube was inserted using an endotracheal tube holder (AnchorFast). CPR was performed according to the 2020 Korean CPR guidelines, using a mechanical chest compression device (LUCAS) and an adult bag. CPR was performed for 30 minutes. Positional shifts of the I-gel and endotracheal tube and differences in the ventilation volume on the simulation manikin were subsequently measured. Five trials were carried out in each setting. Statistical analysis was carried out using SPSS version 27.0. A P-value <0.05 is considered significant. Results: The following positional shifts were obtained after 30 minutes of CPR: I-gel tape fixation, 4.96±0.72 mm; I-gel band fixation, no change; endotracheal tube holder, no change. The mean ventilation volumes obtained were 504.43± 14.42, 536.86±5.56, and 528.38±8.81 mL, respectively. Conclusion: Our results indicate that the use of I-gel is as effective as an endotracheal tube for initial airway maintenance during CPR in the hospital. We recommend using an elastic band-type fixation device for the fixation method.
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이강이,송남호 大田大學校 學生生活硏究所 1996 學生生活硏究 Vol.5 No.-
본 연구는 여대생이 지각한 가족지지 정도와 정신건강 상태와의 관계를 파악하기 위하여 실 시되었다, 연구 대상자는 총 290명으로 , 대전지역의 2개 대학교에서 간호학과와 식품영양학파 1 학년 . 3학년 학생들을 편의 표출하였으며, 구조화된 질문지에 직접 기록하도록 하였다 조사 결과 여대생이 지각하는 가족지지 정도는 고등학생과 비숫하였으나 정신건강은 매우 낮은 수준 이었다 또한 여대생이 지각하는 가족지지 정도가 높을수록 정신건강 수준도 높게 나타났으 며. 간호학과 학생들과 식품영양학과 학생들간의 가족지지 정도 및 정신건강 수준은 모두 통계 적으로 유의한 차이가 없었다. 1 학년 학생들과 3학년 학생들 간의 가족지지 정도는 차이가 없었 으나 정신건강 수준에서는 1 학년 학생들이 3학년 학생들보다 유의한 차이로 높게 나타났다. The study was designed to identify the relation between the perceived family support and the mental health of female college students . The results are summarized as follows 1. The mean scores for the perceived family support and the level of mental health of female college students were 42.910 and 103.072 respectively. 2. The relationship between the perceived family support and the level of mental health revealed a significant correlation . Therefore the higher the level of perceived family support. the higher the level of mental heath. 3. The demographic characteristics affected to the perceived family support was parents living status only and the demographic characteristics affected to level of mental health was none . 4. There was not significant difference between the students of department of nursing and students of department of food science and human nutrition in the perceived family support and the level of mental health . 5. There was not significant difference between 1st. students and 3rd. students in the perceived family support. but there was significant difference in the level of mental health
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상상의 공동체에 대한 해석-영화<웰컴 투 동막골>의 시선으로 바라본 소설 『邊城』에 대한 斷想
이강인(李康仁) 동북아시아문화학회 2014 동북아 문화연구 Vol.1 No.38
Horizontal relationship between soldiers and village people shown in the movie <Welcome to Dongmakgol> enabled us to discover director’s will to pursue an invisible imagined community through the movie and the village is forming a place of communication for the general public who dream a new world for an ethnic group through it. Also, the novel 『BianCheng』 shows pure and simple appearance of Miaozu(苗族) by forming an ideal world named ‘chatong(茶?): tea village’ as a manifestation of author‘s patriotism, expressing the author’s will to recover invisible horizontal relationship throughout the war-torn China jumping over Xi?ngx?(湘西) area. Evaluating him simply as a revivalist, purist or pacifist is no more than a very glimpse evaluation of his world of art works. Shen congwen‘s will to pursue such an imagined community introduced in this thesis is not reflected in a variety of evaluations on his work. Thus, this thesis inquired into the possibility of his will toward an imagined ethnic community by comparing through a Korean movie.
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