Estimation of calculated combustion parameters required for modeling of passenger car fires in the FDS software environment

Authors

  • Vadim A. Kudryashov State Educational Establishment «University of Сivil Protection of the Ministry for Emergency Situations of the Republic of Belarus»; 220118, Belarus, Minsk, Mashinostroiteley str., 25 https://orcid.org/0000-0003-4889-1060
  • Stanislav V. Ivanov Branch «Institute of Vocational Education» of the State Educational Establishment «University of Civil Protection of the Ministry for Emergency Situations of the Republic of Belarus»; 246023, Belarus, Gomel, Rechitskiy ave., 35A https://orcid.org/0009-0008-9995-8388
  • Valeriy V. Kobyak State Educational Establishment «University of Сivil Protection of the Ministry for Emergency Situations of the Republic of Belarus»; 220118, Belarus, Minsk, Mashinostroiteley str., 25 https://orcid.org/0000-0002-5989-5465

DOI:

https://doi.org/10.33408/2519-237X.2023.7-4.401

Keywords:

fire resistance, parking garage, slab, passenger car, computer modeling, heat release capacity, combustion parameters, FDS

Abstract

Purpose. On the basis of the analysis of real passenger car fires, full-scale experiments to determine the main design parameters of combustion for modeling passenger car fires and theoretical estimation of heat fluxes and slab temperatures at fire.

Methods. Comparison of parameters of real passenger car fires with full-scale experiments. Formulation of estimated combustion parameters for modeling in the FDS software environment.

Findings. Field experiments with the use of real passenger cars have shown: at fires of several passenger cars the flame spreading to the neighboring car takes place in 8–10 minutes from the moment of fire occurrence; the maximum power of heat release reaches 10.8 MW, and the time of reaching this power can vary from 8 (at fire of one car) to 25 minutes (at simultaneous fire of two cars). The average value of the heat of combustion of a car is 15 MJ/kg, and temperatures in such fires reach up to 1100 °C.

Application field of research. The obtained results can be used in modeling fires of passenger cars and assessing the impact on building structures, which will improve the level of fire safety of parking garages.

Author Biographies

Vadim A. Kudryashov, State Educational Establishment «University of Сivil Protection of the Ministry for Emergency Situations of the Republic of Belarus»; 220118, Belarus, Minsk, Mashinostroiteley str., 25

Chair of Fire Safety, Professor; PhD in Technical Sciences, Associate Professor

Stanislav V. Ivanov, Branch «Institute of Vocational Education» of the State Educational Establishment «University of Civil Protection of the Ministry for Emergency Situations of the Republic of Belarus»; 246023, Belarus, Gomel, Rechitskiy ave., 35A

Branch «Institute of Vocational Education» of the University of Civil Protection, Chair of Operational-Tactical Activity and Technical Equipment, Lecturer

Valeriy V. Kobyak, State Educational Establishment «University of Сivil Protection of the Ministry for Emergency Situations of the Republic of Belarus»; 220118, Belarus, Minsk, Mashinostroiteley str., 25

Chair of Emergency Elimination, Associate Professor; PhD in Technical Sciences, Associate Professor

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Published

2023-11-23

How to Cite

Kudryashov В. А., Ivanov С. В. and Kobyak В. В. (2023) “Estimation of calculated combustion parameters required for modeling of passenger car fires in the FDS software environment”, Journal of Civil Protection, 7(4), pp. 401–414. doi: 10.33408/2519-237X.2023.7-4.401.

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