Russian Federation
Russian Federation
Russian Federation
To ensure the safety of citizens and protected facilities, fire alarm systems are designed and installed in high-rise buildings. One of the key design factors is the nature of smoke propagation during a fire, which in turn is highly dependent on ceiling height. This study examines smoke propagation during a fire in high-rise buildings. The study's methodology includes numerical modeling of this process, which was performed using Fire Dynamic Simulation software, followed by data visualization in Smokeview. The data obtained indicate that at ceiling heights of 4 and 8 meters, vertical smoke accumulation occurs faster than horizontal smoke accumulation. Therefore, at these heights, traditional horizontal installation of linear smoke detectors is preferable. Above ceiling heights of 12 meters, vertical placement of linear smoke detectors is more advantageous. The identified characteristics can be useful both during the design and installation stages of fire alarm systems. As part of further research directions, it is advisable to study the process of smoke propagation with a smaller step in ceiling height and, based on the data obtained, make changes to the current regulatory documents governing the design of fire alarm systems.
smoke spread, room height, linear smoke detector, fire hazards, fire alarm, FDS, Smokeview
1. Hu Yu., Wang X., Wang F.Yu. A quantitative study of factors influence on evacuation in building fire emergencies // IEEE transactions on computational social systems. 2018. Vol. 5. № 2. P. 544–552.
2. Zaripova G.F., Marinich E.E. Razrabotka tekhnicheskih reshenij po ogranicheniyu rasprostraneniya pozhara v vysotnyh zdaniyah // Studencheskij. 2023. № 9-1 (221). P. 17–20. EDN YCJIVA.
3. Modelirovanie dymovoj zavesy v ohranyaemom pomeshchenii / A.M. Puris [i dr.] // Voprosy oboronnoj tekhniki. Ser. 16: Tekhnicheskie sredstva protivodejstviya terrorizmu. 2021. № 1-2 (151-152). P. 91–97. EDN DKPFJG.
4. Myasnikov V.G., Stepanov V.A. Specifika tusheniya pozharov v zdaniyah povyshennoj etazhnosti // Studencheskij. 2024. № 39-1 (293). P. 56–60. EDN YZGWGH.
5. Rahmani A., Salem M. Simulation of fire in super high-rise hospitals using fire dynamics simulator (FDS) // Electronic Journal of General Medicine. 2020. Vol. 17. № 3. P. 5.
6. Smith P. G. Fire-detection and alarm systems // Wiring Installations and Supplies. 1977. Vol. 1977. № 3. P. 9–19.
7. Inc U.L. Smoke Alarms // Underwriters Laboratories Inc. 2015.
8. Inc U.L. Smoke Detectors for Fire Alarm Systems // Underwriters Laboratories Inc. 2016.
9. National Fire Protection Association et al. Standard for automotive fire apparatus. The Association, 1996.
10. National Fire Protection Association et al. NFPA 1901: Standard for automotive fire apparatus. The Association, 1996.
11. NFPA N. 72: National Fire Alarm Signaling Code // National Fire Protection Association. 2013.
12. NFPA P. J. NFPA 72 National Fire Alarm and Signaling Code. 2022.
13. Experimental study on the characteristics of fire smoke movement in ultra thin and tall atriums by hot smoke test / H. Zhang [et al.] // E3S Web of Conferences. EDP Sciences, 2019. Vol. 79. P. 01007.
14. A Sauter mean diameter sensor for fire smoke detection / S. Wang [et al.] // Sensors and Actuators B: Chemical. 2019. Vol. 281. P. 920–932.
15. Tilley N., Merci B. Numerical study of smoke extraction for adhered spill plumes in atria: Impact of extraction rate and geometrical parameters // Fire safety journal. 2013. Vol. 55. P. 106–115.
16. Huang Yu., Chen X., Zhang C. Numerical simulation of the variation of obscuration ratio at the fire early phase with various soot yield rate // Case Studies in Thermal Engineering. 2020. Vol. 18. P. 100572.
17. A Sauter mean diameter sensor for fire smoke detection / S. Wang [et al.] // Sensors and Actuators B: Chemical. 2019. Vol. 281. P. 920–932.
18. SFPE handbook of fire protection engineering / P.J. DiNenno [et al.] // (No Title). 2002. P. 2–246.
19. Mulholland G.W., Croarkin C. Specific extinction coefficient of flame generated smoke // Fire and Materials. 2000. Vol. 24. № 5. P. 227–230.
