Experimental study of temperature mode of a fire in a cable tunnel

Authors

  • Oleksandr Nuianzin Cherkasy Institute of Fire Safety named after Chornobyl Heroes of National University of Civil Defense of Ukraine Onoprienko str., 8, Cherkasy, Ukraine, 18034, Ukraine https://orcid.org/0000-0003-2527-6073
  • Serhii Pozdieiev Cherkasy Institute of Fire Safety named after Chornobyl Heroes of National University of Civil Defense of Ukraine Onoprienko str., 8, Cherkasy, Ukraine, 18034, Ukraine https://orcid.org/0000-0002-9085-0513
  • Viacheslav Hora Cherkasy Institute of Fire Safety named after Chornobyl Heroes of National University of Civil Defense of Ukraine Onoprienko str., 8, Cherkasy, Ukraine, 18034, Ukraine https://orcid.org/0000-0001-7043-8460
  • Andrii Shvydenko Cherkasy Institute of Fire Safety named after Chornobyl Heroes of National University of Civil Defense of Ukraine Onoprienko str., 8, Cherkasy, Ukraine, 18034, Ukraine https://orcid.org/0000-0001-9270-378X
  • Taras Samchenko Ukrainian Civil Protection Research Institute Rybalska str., 18, Kyiv, Ukraine, 01011, Ukraine https://orcid.org/0000-0003-3702-8296

DOI:

https://doi.org/10.15587/1729-4061.2018.131792

Keywords:

cable tunnel, temperature mode of a fire, procedure of experimental research, modeling a fire

Abstract

We established, based on the conducted research into a change in temperature in the cable tunnel during fire, that in the combustion zone the temperature grows faster in comparison with the standard temperature mode of a fire. This indicates the need for testing fire resistance of construction structures of cable tunnels using the temperature regime that differs from the standard one.

During the research, a scientifically-substantiated sequence of procedures was created, with a detailed selection of equipment and test samples, in order to provide reliable experimental data when studying the temperature regime of a fire in a cable tunnel.

Thus, based on the results of our experimental study, we determined the temperature modes of a fire in different zones of the cable tunnel using the proposed procedure. The highest temperature is observed directly in the combustion zone. In the fire zone next to cables, it is 700‒900 °C; between a fire center zone and the opening for the discharge of combustion products, it is in the range of 250‒500 °C. In the zone between a fire center and the place of air head, the temperature reaches 80‒150 °C. The rate of flame propagation, in terms of direction, coincides with the direction of air flow twice as faster as in the opposite direction.

Thus, we can argue that the research results obtained could be the basis for constructing mathematical models that describe fires in cable tunnels and might be used for the engineering estimation of fire resistance of building structures of cable tunnels.

Author Biographies

Oleksandr Nuianzin, Cherkasy Institute of Fire Safety named after Chornobyl Heroes of National University of Civil Defense of Ukraine Onoprienko str., 8, Cherkasy, Ukraine, 18034

PhD

Department of physical and chemical bases of development and extinguishment of fires

Serhii Pozdieiev, Cherkasy Institute of Fire Safety named after Chornobyl Heroes of National University of Civil Defense of Ukraine Onoprienko str., 8, Cherkasy, Ukraine, 18034

Doctor of Technical Sciences, Professor, Chief Researcher

Viacheslav Hora, Cherkasy Institute of Fire Safety named after Chornobyl Heroes of National University of Civil Defense of Ukraine Onoprienko str., 8, Cherkasy, Ukraine, 18034

PhD

Department of organization of measures of civil protection

Andrii Shvydenko, Cherkasy Institute of Fire Safety named after Chornobyl Heroes of National University of Civil Defense of Ukraine Onoprienko str., 8, Cherkasy, Ukraine, 18034

PhD, Associate Professor

Department of organization of measures of civil protection

Taras Samchenko, Ukrainian Civil Protection Research Institute Rybalska str., 18, Kyiv, Ukraine, 01011

Researcher

Department of Substances and Materials of the Scientific and Testing Center

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Published

2018-05-22

How to Cite

Nuianzin, O., Pozdieiev, S., Hora, V., Shvydenko, A., & Samchenko, T. (2018). Experimental study of temperature mode of a fire in a cable tunnel. Eastern-European Journal of Enterprise Technologies, 3(10 (93), 21–27. https://doi.org/10.15587/1729-4061.2018.131792

Issue

Vol. 3 No. 10 (93) (2018): Ecology

Section

Ecology

License

Copyright (c) 2018 Oleksandr Nuianzin, Serhii Pozdieiev, Viacheslav Hora, Andrii Shvydenko, Taras Samchenko

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