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        검색결과 560

        81.
        2021.12 KCI 등재 구독 인증기관 무료, 개인회원 유료
        In this study, according to the staking method of the fire hose in the indoor hydrant system, the number of kinks when the fire hose is deployed was measured and analyzed to examine how the staking method of the fire hose affects the kink when the hose is deployed. The fire hose staking method was classified into three types: donut-type, accordion-type, and hose hanger-type, and the walking speed and number of kinks were measured by repeating the experiment 5 times for male and female students. The results of the study are as follows. (1) Among the three types of fire hose staking methods, the donut-type staking method had an average of 92 times for male students and 86 times for female students on average. (2) The accordion-type and hose hanger-type staking methods showed similar results with an average of one or two kinks for both male and female students. (3) Regardless of the staking method, it was found that in general, male students with high walking speed had more kinking than female students with slow walking speed.
        4,000원
        82.
        2021.12 KCI 등재 구독 인증기관 무료, 개인회원 유료
        This study is to check waterproof by number of twists of fire hose and measure the first waterproof time to analyze the relationship between twists of fire hose and first waterproof time and waterproof by position of twists so as to suggest the efficient plan to prevent twists of fire hose. Ordinary fire hose did not make waterproof in case that position of twists was near the nozzle with twists 5 times or more, while anti-twist fire hose had no problem for waterproof only with delayed time. Like ordinary fire hose, anti-twist fire hose also showed the tendency to increase the waterproof time in proportion to the number of twists. In case that the position of twists was near waterproof port even with 10 times of twists in anti-twist fire hose, the first waterproof time was increase by 0.63 seconds on average without any problem for waterproof, which was somewhat faster than that in ordinary fire hose. With respect to the position of twists, waterproof of anti-twist fire hose was affected more as the number of twists was increased more near the nozzle rather than near the waterproof port, like ordinary fire hose. In summary, anti-twist fire hose equipped with anti-twist tool at the middle connection port and the nozzle showed a good waterproof performance with delayed waterproof time regardless of number of twists, as a solution for the twist problem of ordinary fire hose.
        4,000원
        83.
        2021.12 KCI 등재 구독 인증기관 무료, 개인회원 유료
        The objective of this study was to understand which type of fire hose should be placed in indoor fireplug box upon analyzing the preparation time between rack-type fire hose and reel-type one. With respect to the type of hose, rack-type stacking method was used and hose preparation time was measured with 5 times of repeat test, separating men and women. Study results reveal that preparation time of reel-type fire hose took longer than that of rack-type one in both men and women. For both rack-type hose and reel-type hose, preparation time by two persons took shorter than that by one man. Also, preparation time by three persons took shorted than that by two women. Preparation time for both rack-type hose and reel-type one by men took shorter than that by women. In summary, it was confirmed that rack-type hose could be prepared within shorter time than reel-type one. Since the size of drum set in the reel-type fire hose is relatively small, it had some difficulty in preparation of fire hose timely.
        4,000원
        88.
        2021.09 KCI 등재 구독 인증기관 무료, 개인회원 유료
        In this study, the purpose of this study was to examine the effect of twisting in the preparation of waterproofing in the process of unfolded donut-type staking method fire hoses in indoor hydrant system. The central pull-out method caused more twisting than the rolling method, and there was no significant difference in the number of twists according to the pull-out method in the case of male and female students. It was found that the time it took to untwist and prepare waterproofing was much shorter for male students. The angle valve and hose are connected, and the time to untwist and prepare for waterproofing after withdrawing the fire hose with the hose and nozzle connected was shorter than the unconnected state. In the rolling method, when a hose connected with two 15 m fire hoses was used and the angle valve-hose was connected, but the hose-nozzle was not connected, the least kinking occurred. The time to untwist and prepare for waterproofing was also the shortest. As a result, in the withdrawal method of the donut-type loaded fire hose in the indoor hydrant system, it is a rolling method rather than a central withdrawal method. With the angle valve and hose connected, unfold the fire hose with the hose and nozzle connected, if a large number of people unwind the twisted hose, the time to prepare for waterproofing can be shortened.
        4,000원
        89.
        2021.09 KCI 등재 구독 인증기관 무료, 개인회원 유료
        This study developed a scenario to understand the reaction rate and operational time according to RTI value of rate of rise detector in each type in case of fire mattress. In the results of analyzing the reaction rate and operational time of detector in each scenario, in case when installing a single detector, the elevated temperature per minute was raised to 8℃/min ~ 9℃/min. In case when installing two detectors, it was raised to 9℃/min ~ 10℃/min. In case when installing three detectors, it was raised to 10℃/min. The horizontal distance between detector and mattress was 1.8m~2.5m. Whenever the number of detectors was increased, the horizontal distance was decreased. The operational time of detector was within maximum 540 seconds and minimum 420 seconds. As the research tasks in the future, there should be the researches on the effects of reaction rate of detector on the evacuation in case of fire through the result value of RSET by setting up the latency until the detector operates, and the researches on the safety by understanding if the operational time of detector is suitable for the evaluation standard of performancecentered design.
        4,000원
        91.
        2021.08 KCI 등재 구독 인증기관 무료, 개인회원 유료
        육상 및 해상에서의 화재 사고는 심각한 인명피해를 발생시키며 특히 해양 플랜트 및 선박의 특성 상 밀폐공간으로 인한 질식 사고 사망률이 육상보다 현저히 높다. 이러한 질식사고를 예방하기 위하여 화재에서 발생하는 유독가스를 외부로 배출할 수 있는 환기용 팬의 설치가 필수적이나, 해양화재의 규모를 고려하였을 때 대형 환기용 팬의 설치는 해양 구조물 특성상 용이하지 않다. 따라서 본 연구 에서는 DC 전기장을 인가하여 화재 유독가스를 제어하는 새로운 개념의 소방기술을 개발하고자 한다. 화재 발생 시 대부분의 화염은 화학 이온화로 인해 양전하와 음전하를 다수 함유하고 있고, 이때 전기장을 인가하게 되면 로렌츠 힘에 의해 “이온풍”이 발생하게 된다. 이러한 이온풍을 활용하여 일반건축물과 선박의 단열재로 많이 사용되는 종이와 스티로폼을 연소하여 발생되는 화재연기를 인위적으로 제어하는 실험적 연구를 수행하였다. 실험 결과, ± 5 kV 이상의 직류전압을 인가하였을 때 화재연기를 인위적으로 제어할 수 있었고, 양전압 보다 음전압을 인가하였을 때 상대적으로 효과적인 제어가 가능하였다.
        4,000원
        92.
        2021.06 KCI 등재 구독 인증기관 무료, 개인회원 유료
        본 연구의 목적은 소방조직에 코칭과 코칭리더십을 활성화시켜 조직 구성원들의 직무만족을 높이고 조직에 몰입할 수 있도록 하여 소방조직의 발전을 도모 하는 것이다. 이러한 목적을 달성하기 위해서 전라북도 소방서에 근무하는 직원들을 대상으로 설문을 실시하여 최종 331부를 연구에 활용하였다. 분석방법은 빈도 분석, 기술통계 분석, 구조방정식모형 분석을 사용하였다. 연구결과는 다음과 같다. 첫째, 소방간부의 코칭리더십이 직원들의 조직몰입에 미치는 영향에서 총 효과는 유의하였으나, 직접적인 영향(direct effect)은 없는 것으로 밝혀졌다. 둘째, 소방간부의 코칭리더십이 직무만족을 매개변수로 하여 조직몰입에 간접적으로 영향을 미치는 것으로 분석되었다. 직무만족은 코칭 리더십과 조직몰입 간의 관계에서 통계적으로 유의한 완전매개효과를 가지는 것으로 분석되었다. 결론적으로 소방간부의 코칭리더십이 높아질수록 직원들의 직무만족은 증가하며, 직원들의 직무만족이 높아질수록 조직몰입도 증가하는 것으로 밝혀졌다. 본 연구의 시사점은 소방간부는 업무를 수행할 때 조직의 목표와 비전을 실 현하기 위해서 직원들이 직무만족과 조직몰입을 할 수 있도록 코칭리더십을 발 휘하여야 한다는 것이다.
        5,400원
        100.
        2021.03 KCI 등재 구독 인증기관 무료, 개인회원 유료
        Recently, advanced countries assessment the risk of fire to prevent large-scale damage to high-rise buildings, In addition, performance-Based design, which is a fire risk assessment, is being conducted in Korea to prevent massive damage to high-rise buildings. However, unlike advanced countries, fire risk assessment in Korea is subject to fire risk assessment only for objects subject to consent from fire-fighting facilities such as building permits, When building engineers and fire-fighting engineers assessment the risk of fire, It has always been discussed because the results vary depending on which part of the evaluation is focused between economic feasibility and safety. Therefore, in this study, we would like to propose a fire risk assessment process suitable for domestic conditions by comparing the process of performance-based design, which is a domestic fire risk assessment, and the process of Iso/TC 16732 which is an overseas fire risk assessment.
        4,000원
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