• Title/Summary/Keyword: Design fires

Search Result 170, Processing Time 0.02 seconds

Service Design for Using the Drones in the Early Stages Fires of Dense Residential Areas (주택가 밀집지역 화재발생 초기 드론 활용 서비스디자인 연구)

  • Youn, Gyo-Hee
    • The Journal of the Korea Contents Association
    • /
    • v.19 no.11
    • /
    • pp.111-121
    • /
    • 2019
  • Recently, through the services that use drones at fire sites to deliver on-site and road conditions into the situation room and life-saving activities or the deliveries of first aid outfits at the accident scenes that are inaccessible to humans, there are more and more cases of dealing with emergency situations. Therefore, by studying the service design using drones in the initial stage of response to fires in dense residential areas, this study was intended to reify the service design area of the response stage, including the dispatch of fire sites and the fire suppression. To do this, through literature researches, research directions were explored by examining the concept and process review of service design, and by analyzing the application cases using service design. In order examine the validity of this study, a one-on-one interview was conducted to identify the use and problems of drones among incumbent firefighters, and identified the applicability of drones to fire sites by targeting drone experts. Field research was conducted to identify the location and distance of road conditions, site conditions, and 119 safety centers, by making Yongsan-gu, the most vulnerable area to fire in Seoul, as a research sample. And, among the methodologies of service design, Persona and Customer Journey Map were prepared and Insight was derived, by using virtual scenarios for the experience values and behavior analyses of the interested parties. Through these processes, this researcher intended to present the fire-response service design and help establish the direction of service design in the initial stages of fire in Korea.

Performance Based Fire Engineering in the UK

  • Plank, Roger
    • International Journal of High-Rise Buildings
    • /
    • v.2 no.1
    • /
    • pp.1-9
    • /
    • 2013
  • This paper reviews the recent developments in fire engineering and the design approaches which are being used in the UK, compared with traditional prescriptive solutions. The research background which has underpinned this is briefly summarised, and the benefits of these more advanced methods are discussed. The focus is on structural fire engineering, but some consideration of modelling fires is also included. Some of the more commonly used design tools are discussed, together with the relative benefits they offer. The use of these more advanced approaches is then outlined in the context of which building types might be most suitable, and a number of case studies are included to illustrate this. Likely future developments are also discussed.

Evaluation of Modified Design Fire Curves for Liquid Pool Fires Using the FDS and CFAST (FDS와 CFAST를 이용한 액체 풀화재의 수정된 디자인 화재곡선 평가 연구)

  • Baek, Bitna;Oh, Chang Bo;Lee, Chi Young
    • Fire Science and Engineering
    • /
    • v.32 no.2
    • /
    • pp.7-16
    • /
    • 2018
  • In this study, the previous design fire curve for fire simulation was modified and re-suggested. Numerical simulations with the FDS and CFAST were performed for the n-heptane and n-octane pool fires in the ISO 9705 compartment to evaluate the prediction performances of the previous 1-stage and modified 2-stage design fire curves. The numerical results were compared with the experimental temperature and concentrations of $O_2$ and $CO_2$. The FDS and CFAST simulations with the 2-stage design fire curve showed better prediction performance for the variation of temperature and major species concentration than the simulations with 1-stage design fire curve. Especially, the simulations with the 2-stage design fire curve agreed with the experimental temperature more reasonably than the results with the 1-stage design fire curve. The FDS and CFAST simulations showed good prediction performance for the temperature in the upper layer of compartment and the results with the FDS and CFAST were similar to each other. However, the FDS and CFAST showed poor and different prediction performance for the temperature in the lower layer of compartment.

Statistical Analysis on the Structure and Performance of the Front Door in Apartment Housing (공동주택 세대 현관 방화문 구조 및 성능에 관한 통계적 분석)

  • Shim, Han-Young;Park, Won-Jun
    • Journal of the Korea Institute of Building Construction
    • /
    • v.22 no.1
    • /
    • pp.115-123
    • /
    • 2022
  • Statistics on the occurrence of fires in residential facilities over the past 10 years, show that approximately 40% are fires in apartment buildings. To prevent the spread of fire and support evacuation in apartment housing, the fire resistance performance and performance design of fire doors are becoming more important. This study established a database using 395 quality inspection reports from 2016 to 2020, which passed the fire performance test, and derived the fire door performance-influencing factors through an analysis of the structure (12 elements) of the fire door. As a result, the effect of core material, adhesive, hinge type, blowing agent, etc. was confirmed in 287 pass cases. On the other hand, it was confirmed that the occurrence of flames and crevices in the 108 cases of failure were the major failure factors in the fire door fire resistance test. Fire doors are composed of composite materials to prevent failure of fire resistance performance, and efficient design and quality control are required through standardization of components.

Design and Implementation of Evacuation Simulation of Indoor Environment Fire (건물 내에서 화재시의 대피 시뮬레이션 설계 및 구현)

  • Jang, Byeong-Ok
    • Journal of the Korea Society for Simulation
    • /
    • v.19 no.2
    • /
    • pp.1-8
    • /
    • 2010
  • With recent development of computer hardware and 3D graphic technique, a lot of people have concern for something to express as the 3D graphic that look the real environment. Because the request of users have increased, the 3D simulation is developed and popularized in the many field. In this paper, we design and implement the simulation system that humans evacuate a building fires using the 3D graphic techniques. In this paper, we use the A* algorithm to humans have the artificial intelligence at evacuating a building fires, calculate the evacuation speed of each human considering temperature damage and smoke damage. In this paper, we applied the real building to demonstrate the effect of proposed evacuation simulation. Experimental results showed that the evacuation speed is affected by the temperature condition and the smoke density.

A Review on Fire Safety Engineering: Key Issues for High-Rise Buildings

  • Li, Guo-Qiang;Zhang, Chao;Jiang, Jian
    • International Journal of High-Rise Buildings
    • /
    • v.7 no.4
    • /
    • pp.265-285
    • /
    • 2018
  • This paper presents a state-of-the-art review on the design, research and education aspects of fire safety engineering (FSE) with a particular concern on high-rise buildings. FSE finds its root after Great Fire of Rome in 64 AD, followed by Great London Fire in 1666. The development of modern FSE is continuously driven by industry revolution, insurance community and government regulations. Now FSE has become a unique engineering discipline and is moving towards performance-based design since 1990s. The performance-based fire safety design (PBFSD) involves identification of fire safety goals, design objectives, establishment of performance criteria, and selection of proper solutions for fire safety. The determination of fire scenarios and design fires have now become major contents for PBFSD. To experience a rapid and positive evolution in design and research consistent with other engineering disciplines, it is important for fire safety engineering as a profession to set up a special educational system to deliver the next-generation fire safety engineers. High-rise buildings have their unique fire safety issues such as rapid fire and smoke spread, extended evacuation time, longer fire duration, mixed occupancies, etc., bringing more difficulties in ensuring life safety and protection of property and environment. A list of recommendations is proposed to improve the fire safety of high-rise buildings. In addition, some source information for specific knowledge and information on FSE is provided in Appendix.

A study on fire design accidental loads for aluminum safety helidecks

  • Kim, Sang Jin;Lee, Jin;Paik, Jeom Kee;Seo, Jung Kwan;Shin, Won Heaop;Park, Joo Shin
    • International Journal of Naval Architecture and Ocean Engineering
    • /
    • v.8 no.6
    • /
    • pp.519-529
    • /
    • 2016
  • The helideck structure must satisfy the safety requirements associated with various environmental and accidental loads. Especially, there have been a number of fire accidents offshore due to helicopter collision (take-off and/or landing) in recent decades. To prevent further accidents, a substantial amount of effort has been directed toward the management of fire in the safety design of offshore helidecks. The aims of this study are to introduce and apply a procedure for quantitative risk assessment and management of fires by defining the fire loads with an applied example. The frequency of helicopter accidents are considered, and design accidental levels are applied. The proposed procedures for determining design fire loads can be efficiently applied in offshore helideck development projects.

A Study on Research Technique of the combustibles an Housing Facilities in Korea (국내 주거시설의 가연물 조사 기법에 관한 연구)

  • Shin, Yi-Chul;Kwon, Young-Jin
    • Proceedings of the Korea Institute of Fire Science and Engineering Conference
    • /
    • 2008.11a
    • /
    • pp.289-293
    • /
    • 2008
  • In performance-based on fire safety design of buildings, design fires are assumed to be relatively coarse information on potential combustible objects described by its name, weight, size and main constituent materials. As early as 1970s, researchers from Japan has employed various methods of research regarding combustibles investigations. In result, researchers came up with one method that is being presently used. Therefore, our country basis in collection of data for combustibles yielded average measure, receipt rate of furniture usage and execution of combustible investigations to occupancy zone of university respondents. We have found out problem about excessive usage of multi-outlet extensions through research.

  • PDF

Han-ok Construction Simulation based on Environmental Analysis (환경분석기반 한옥 시공 시뮬레이션에 관한 연구)

  • Kim, Mi-Kyoung;Jun, Han-Jong
    • Korean Journal of Computational Design and Engineering
    • /
    • v.16 no.4
    • /
    • pp.292-299
    • /
    • 2011
  • Han-ok has a long history and cultural traditions. It has green and healthy and culture but high construction costs, thermal insulation performance of residential and vulnerable to fires and have a weakness for maintenance. However, modernized resident housing, Han-ok is required to improve in terms of environmental aspect due to its weakness for insulating and inconvenience for modem era. Also Han-Ok's building is criticized as a huge dependence on subjective building experiences. This is pointed to be the biggest problem, Han-ok has. Traditionally it does not have a scientific and specific manual for construction. In this research, process simulation was adopted to develop Han-Ok's environmental improvements. In terms of LCC (Life Cycle Cost) aspect, however, Han-Ok's environmental characteristics are examined to suggest an appropriate Han-Ok construction method. Also the result of this research would be utilized to base the information database for efficient constructing and its management in new Han-Ok constructing industry.

Design of Partial Discharge detection Sensor Module and Correlation for Power Incoming/Distributer (수/배전반의 부분방전 검출 모듈 설계와 상관관계)

  • Cho, Do-Hyeoun
    • Journal of the Institute of Electronics and Information Engineers
    • /
    • v.51 no.10
    • /
    • pp.243-247
    • /
    • 2014
  • In this paper, we design two types of the sensor module to measure the partial discharge causing failures and electric fires for power incoming/distributer. And evaluate the performance thereof. Analyze the correlation of the phase current and the partial discharge and overheating. Proposes to apply the stability index by utilizing the analyzed information and use in order to prevent the failure or electrical fire of the power incoming/distributer.