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강세영 ( Sei Young Kang ),장인수 ( In Soo Jang ),김락형 ( Lak Hyung Kim ) 경락경혈학회 2011 Korean Journal of Acupuncture Vol.28 No.4
Objectives: The purpose of our investigation is to determine degrees of concordance rate among interpreters. Furthermore, we have examined how much concordance rate to come out when beginners have been compared with the pulse analyzer. Methods: Thirty-nine volunteers were enrolled for this study. These subjects took a 5-minute rest in a sitting position as instructed by the protocol. As they were not allowed to move or speak, radial artery pulse conditions were measured on the lower arm of each subject by means of the pulse analyzer under investigation. Two Korean medical doctors, who did not know the status of default pulse conditions, were also instructed to intuitively choose the most corresponding one in comparison with 13 default pulse conditions. Subsequently, we investigated results between interpreters as well as results between interpreter and pulse analyzer. Results: The total concordance rate, with similar concordance rates being included, between interpreters, between interpreter A and pulse analyzer, and between interpreter B and pulse analyzer was 56.4%, 79.5%, and 71.8% respectively. In faint·fine·weak pulse(微細弱脈) case, interpreter A and B selected 6 and 7 cases respectively, matched the concordance rate 5, and corresponded separately with the pulse analyzer interpreting 8 cases. Conclusions : In case of skipping pulse 2(促2脈), short pulse(短脈), faint·fine·weak pulse(微細弱脈), the concordance between interpreters also matches with results drawn from the pulse analyzer. The concordance rate goes higher in proportion with such smaller pulse conditions as faint·fine·weak pulse(微細弱脈) and short pulse(短脈).
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TRIZ 기법을 통한 실외기실 스프링클러 설치 방안에 관한 연구
이현정,남준석,김승연 한국화재소방학회 2023 한국화재소방학회논문지 Vol.37 No.5
최근 5년간 에어컨 실외기 화재는 총 1,168건이었으며, 이중 절반에 해당하는 49.4%가 주거시설에서 발생되었다. 2006년 「주택건설기준 등에 관한 규정」이 개정되면서 실외기실은 실내 공간으로 들어오게 되었다. 그러나 좁은 공간에 루버를 충분히 개방하지 않고 가동하거나 다량의 물건 적재 등으로 환기가 잘되지 않은 상태에서 먼지, 습기 등이축적되고, 폭염으로 인하여 에어컨을 장시간 가동할 경우 실외기에 과열이 발생하여 화재 발생 위험이 높아지고 있다. 본 연구는 실외기실의 스프링클러 설치 사례를 유형별로 조사하여 화재 발생 시 스프링클러설비의 화재진압 실패 원인을 점화원, 가연물, 헤드 작동 미비의 3가지로 구분하고 TRIZ 기법을 활용하여 분석하였고 화재진압 실패를하지 않기 위해서는 추가 헤드를 설치하여야 함을 확인하였다. 또한, 상·하부 헤드를 병용하여 설치 시 상부 헤드에서 방사되는 소화수가 하부 헤드의 감열부를 냉각시켜 하부 헤드가 작동되지 않는 문제를 분석하였고, 상부 헤드가작동할 경우 하부 헤드도 함께 작동할 수 있는 구조의 장치를 개발하였으며, 화재실물시험을 통하여 화재진압 효과를 확인하였다. In the last five years, there have been a total of 1,168 fires in outdoor air conditioners, half of which 49.4% occurredin residential facilities. Since 2006, the “Regulations on Housing Construction Standards, etc.” have been revised, and theAir conditioner room that has entered the indoor space is operated without opening the louvers sufficiently in a small space,or dust and moisture accumulate in a poorly ventilated state due to loading a large amount of goods, and if the airconditioner is operated for a long time due to a heat waves, the outdoor unit overheats, increasing the risk of fire. Thestudy investigated the cases of the sprinkler installation in the Air conditioner room by type, and analyzed the three causesof fire suppression failure of the sprinkler in the event of a fire: ignition source, combustible material, and head operationfailure, and analyzed using TRIZ technique. In order not to fail to extinguish the fire, An additional head should beinstalled. Water radiated from Upper head cools the thermal part of Lower head when installed in combination with theUpper and lower head, and the Lower head does not work. When the upper head is operated, the lower head can also beoperated, and the fire suppression effect was demonstrated through a fire test.
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ScienceON
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