• Title/Summary/Keyword: fire-fighting

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Numerical Analysis on Pressurization System of Smoke Control in Consideration of Flow Rate of Supply and Leakage (보충량과 누설량을 고려한 급기가압 제연시스템의 수치해석 연구)

  • Kim, Jung-Yup;Shin, Hyun-Joon
    • Fire Science and Engineering
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    • v.24 no.5
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    • pp.87-93
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    • 2010
  • The fact that the smoke hinders evacuation and fire-fighting activities as well as becomes the major cause of life casualty emphasizes the importance of smoke control system. As one of the fire safety standards designed to secure the smoke safety, NFSC501A (Design Guide for Smoke Control System of Special Evacuation Stairwell and Lobby) has been proposed, preventing smoke from penetrating into the smoke-free escape route by raising the pressure of the smoke control zone higher than fire area. For model building of 20 stories, pressurization system was designed according to standard and pressure field of compartments in whole building induced by pressurization system was analyzed using the network model.

Improvements on the Status of Fire Fighting Facilities and Teacher's Fire Safety Awareness about Special School (특수학교 소방시설 및 지도교사의 화재안전의식 개선방안)

  • Lee, Youn-Ha;Lee, Ho-Young;Choi, Jun-Ho;Hong, Won-Hwa
    • Proceedings of the Korea Institute of Fire Science and Engineering Conference
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    • 2011.11a
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    • pp.277-281
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    • 2011
  • 장애학생들이 생활하는 특수학교의 경우 화재 발생빈도는 낮지만, 장애인은 초기 대응능력과 피난능력이 현저히 부족하므로 화재 발생 시 막대한 인명피해를 초래할 수 있다. 장애인의 안전한 피난을 위해서는 초기 소화설비와 피난에 필요한 경보설비, 피난설비의 설치 및 운영 그리고 피난보조자의 역할과 책임이 중요하기 때문에 특수학교를 대상으로 하여 소방시설의 설치 및 운영, 피난보조자의 화재안전의식에 대해 조사하였다. 그 결과 Fail-safe 원칙에 따라 2방향 이상의 피난이 가능해야 하지만 6개교 중 5개교가 평상시 안전을 이유로 비상구에 자물쇠를 채워 통행이 불가능하였고, 특수학교 교사들 중 피난시 교사들의 역할분담에 대해 54.2%가 모르고 있었으며, 피난보조자에 대해서도 64.5%가 모른다고 답하였다. 또한 소화기와 옥내소화전을 실제 사용해 본적 있는 교사는 각각 32.2%, 7.9%로 조사되어 화재발생시 초기소화를 담당해야 하는 교사들의 소화설비의 사용 경험이 부족한 것으로 나타났다.

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A Survey on the Actual Wearing Conditions of Fire Fighter's Uniform (한국 소방복의 착용만족도 및 착용자 의견에 관한 조사연구)

  • 정정숙;이연순
    • Journal of the Korean Home Economics Association
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    • v.37 no.11
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    • pp.75-83
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    • 1999
  • To develope an efficient fire fighter’s uniform for the fire fighting work and body protection, this study examined the regulations of fire lighter’s uniform and surveyed the actual wearing conditions, satisfaction degree, preferred color and design others. The results are as follows; 1. As for the satisfaction degree, the degree was normal in ordinary, low in working uniform and heat-proof uniform and very low in water-proof uniform about its design, size, color and materials. 2. As for the color, red was preferred for the working uniform and water-proof uniform. Blue, yellow and green was preferred next for corking uniform and yellow and blue for water-proof uniform. 3. As for the design, fire fighters wanted partial revision of the present uniform. They preferred stretchy training wear style and overact style in order. For the water-proof uniform, they preferred hip-length suit and pants and next to it they liked flee-length suit, waist belt and overact in order. 4. As for the regulations of the uniform, they wanted some addition in casual uniform, water-proof pants and water-proof gloves, and some deletion in the thermal barrier of water-proof uniform and ordinary uniform. 5. As for the distribution of the uniforms, the use of coupons was highly preferred.

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Effect of Weight of Fire-protective Equipment for Physical Activity Ability (소방용 보호장구의 무게가 신체활동능력에 미치는 영향)

  • Huh, Man-Dong;Bang, Chang-Hoon
    • Fire Science and Engineering
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    • v.24 no.1
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    • pp.128-133
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    • 2010
  • The aim of study intends to investigate effect of weight of fire fighting protective equipment for physical activity ability and to provide the base data for the safety of firefighter. The results of the study are as follows. The maximum all-out time is short about 18.8% in weight-jacket case which weight is same with fire-protective equipment than case of gym suit. The maximum oxygen consumption increased 17.6% in gym suit case than case of weight-jacket. The maximum heart rate is high 5.4% in gym suit case than case of weight-jacket.

Effects of Adolescents' Perception of the Need for Safety Education on Fire Safety Awareness: The Control Effect of Personality Factors (청소년의 안전교육 필요성에 대한 인식이 소방안전의식에 미치는 영향: 성격요인의 조절효과)

  • JinKyoung, Lee;Jai Young, Lee;Sook-hee, Im
    • Journal of the Korea Safety Management & Science
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    • v.24 no.4
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    • pp.109-116
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    • 2022
  • This study attempted to explore how the perception of the necessity of safety education for adolescents affects fire safety consciousness and whether personality factors control the relationship. To this end, a survey was conducted at a high school in region C, and data of 1,049 people who agreed to the survey and responded faithfully were used for analysis. Hayes' macro was used to analyze the moderating effect, and as a result of the analysis, adolescents' awareness of the need for safety education increased, and their relationship was significantly regulated by extroversion, openness, and conscientiousness among the five personality factors. A simple regression line analysis was conducted to find out the specific direction, and it was found that the higher the need for safety education in both the group with high extroversion, openness, and conscientiousness, the higher the awareness of safety education. These results suggest that changes in educational methods and contents are needed to raise awareness of the necessity of education in fire safety education and to improve educational motivation, and that it may be helpful to actively utilize students' personality strengths in education.

Analysis on the Impact of Draft Curtains on Hospital Building Fires

  • Xiaopei Liu;Hasung Kong
    • International journal of advanced smart convergence
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    • v.13 no.3
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    • pp.367-375
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    • 2024
  • Draft curtains are an important tool to reduce the spread of fire smoke in buildings. This paper mainly studies the influence of draft curtains on smoke spread in a hospital outpatient building with a spacious hall. The outpatient building of a county hospital in China is taken as the research object, and a fire simulation model is established based on PyroSim software. Four scenarios are designed: no draft curtains in the hall, draft curtains with a length of 1.5m in the hall, draft curtains with a length of 2.0m in the hall, and draft curtains with a length of 2.5m in the hall. At the same time, considering the worst situation, only the main emergency exit is opened, while the remaining emergency exits and windows are all closed, and the fire-fighting facilities are not activated. The detection point is set at the open emergency exit, 1.8m above the ground. Through the simulation of four scenarios, the effect of draft curtains on smoke spread is discussed from four aspects: smoke layer height, temperature, visibility, and CO concentration. The results show that draft curtains have a significant impact on the spread of smoke in a hospital outpatient building with a spacious hall. The longer the draft curtains are, the better the smoke-blocking effect. It should be noted that in the actual design, the length of the draft curtains should be considered without affecting the evacuation of personnel.

A Study on Effective Fire Countermeasures for Facilities for the Elderly and Children (노유자시설의 효율적인 화재 대응방안에 관한 연구)

  • Hwang, Euy-Hong;Choi, Han-Bit;Choi, Doon-Mook
    • Fire Science and Engineering
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    • v.34 no.4
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    • pp.107-114
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    • 2020
  • With the development of the national industry, the importance of the elderly and children such as the elderly, disabled, and children is recognized. Similarly, the number of facilities for the elderly and children is increasing. Fires at facilities for the elderly and children cause heavy casualties. In response to these events, it is essential to activate fire alarms promptly and accurately and to secure evacuation routes. In this study, the laws and statistics related to facilities for elderly and children were reviewed, and problems with legal terms-such as elderly, children, others, unwanted alarm of fire alarm systems, blind spots of fire compartment standards, securing evacuation routes, and absence of standards for life safety rescue organizations-were identified. As an improvement measure, the legal definitions of similar terms-such as elderly, children, unwanted alarm checklist, and establishment of standards for fire prevention compartment-and introduction of other terms-evacuation elevators, the establishment of standards for life-safety rescue organizations, and provision of flame retardation objects for evacuees-were proposed.

Study of a Improvement Plans about Efficient Operation of Korean Volunteer Fire Departments (우리나라 의용소방대의 효율적인 운영에 관한 개선방안 연구)

  • Kim, Hyeong-Do;Lee, Si-Young
    • Fire Science and Engineering
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    • v.31 no.5
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    • pp.95-106
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    • 2017
  • This study sought for an improvement plan of overall fire-fighting activities and all kinds of support activities of service for public welfare of Korean Volunteer Fire Departments by utilizing the internal fire administration data and statistical yearbooks of the (Old)Ministry of Public Safety and Security (MPSS), the statistics of the (Old) National Emergency Management(NEMA), and the data of the National Statistical Office (NSO) of 5 years from 2012 to 2016 and drawing the practical problems through the statistical analysis. The results of the study are as follows: First, the quota management system of Volunteer Fire Departments that considers the characteristics of rural areas should be supplemented. Second, the culture and training system to solve internal conflict factors of Volunteer Fire Departments should be strengthened. Third, management members readership competency of operating organizations including volunteer fire marshals should be strengthened. Fourth, the education and training system of Volunteer Fire Departments to satisfy regional conditions should be established. Fifth, the reward system for Volunteer Fire Departments' activities of large disaster sites should be improved. The result of the study will be expected to be utilized as the basic data to develop Korean Volunteer Fire Departments in the future.

The Analysis of the Risk of Vehicle Fires in Korea and the Effectiveness of Initial Fire Extinguishing (국내 자동차 관련 화재발생 위험성 분석 및 초기소화의 효과성 연구)

  • Ryu, Juyeol;Lee, Changwoo
    • Journal of the Society of Disaster Information
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    • v.15 no.1
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    • pp.20-27
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    • 2019
  • Purpose: In this study, the status and the risk of fire occurrence in domestic automobile were evaluated and the damage reduction effect by using the fire extinguishing mechanism was evaluated. Method: The analysis of the risk of the occurrence of Vehicle Fires in Korea and the damage of human and property by the use of fire extinguisher applied to fire extinguisher were investigated and analyzed. Results: The annual damage rate of the damage caused by the automobile fire is 4.74%, which shows an annual increase. As a result of the analysis of the personal injury caused by the passenger car in the car fire situation, the damage amount per 100 cases of the fire occurrence increased from 424.65 million won to 473.06 million won in the past 5 years (2012 ~ 2016). Conclusion: When fire extinguishers are used in the case of passenger Vehicle Fires, the average amount of property damage per fire occurrence is estimated to be about 307.5 million, emphasizing the importance and necessity of the initial fire fighting.

A Study on the Consciousness of Fare-fighting Officers for the Establishment and Pevitalization of Integrated Disaster Management System (통합재난관리체계 구축 및 활성화를 위한 소방공무원 의식조사 연구)

  • Bae, Young-Son;Koo, Won-Hoi;Shin, Ho-Joon;Baek, Min-Ho
    • Journal of the Society of Disaster Information
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    • v.10 no.1
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    • pp.151-158
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    • 2014
  • In this study, the problems in the domestic disaster management system were identified through the examination of the system, relevant implications were drawn through the present status of domestic integrated disaster management system, and the consciousness survey for the integrated disaster management system targeting fire-fighting officers in the front line of the disaster was carried out to identify the measures to improve the system. Based on the findings, the measures to establish and revitalize the integrated disaster management system was presented, and the contents of the measures are as follows. In order to establish and revitalize the integrated disaster management system, the following measures should be prepared for each item. In the organizational aspect, the coordination system between government agencies should be established properly and the relevant information should he shared and delivered smoothly. In the legal and institutional aspect, the improvement is required to prevent any miscommunications in the coordination and joint operation plan through the collaboration between government agencies should be established in consideration of characteristics of each government agency. Also, in the aspect of system, the equipment should be maintained and updated continuously in order to respond to rapidly changing disasters and the organization, laws, institutions and system should be improved systematically and harmoniously. And, the detailed measures appropriate for the characteristics of domestic disasters should be prepared through the examination of advantages and disadvantages of integrated disaster management system in advanced countries in details and the detailed plans for the establishment of integrated situation management system in relevant organizations and the unification of situation room through the establishment of efficient integrated management system should be established.