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Article

Study on Hot Gases Flow in Case of Fire in a Road Tunnel

by
Aleksander Król
1,* and
Małgorzata Król
2
1
Faculty of Transport, Silesian University of Technology, Krasińskiego 8, 40-019 Katowice, Poland
2
Faculty of Energy and Environmental Engineering, Silesian University of Technology, Konarskiego 18, 44-100 Gliwice, Poland
*
Author to whom correspondence should be addressed.
Energies 2018, 11(3), 590; https://doi.org/10.3390/en11030590
Submission received: 27 January 2018 / Revised: 4 March 2018 / Accepted: 6 March 2018 / Published: 8 March 2018

Abstract

This paper presents the results of hot smoke tests, which were conducted in a real road tunnel. The tunnel is located within the expressway S69 in southern Poland between cities Żywiec and Zwardoń. Its common name is Laliki tunnel. It is a bidirectional non-urban tunnel. The length of the tunnel is 678 m and it is inclined by 4%. It is equipped with the longitudinal ventilation system. Two hot smoke tests have been carried out according to Australian Standard AS 4391-1999. Hot smoke tests corresponded to a Heat Release Rate (HRR) equal to respectively 750 kW and 1500 kW. The fire source was located in the middle of the road lane imitating an initial phase of a car fire (respectively 150 m and 265 m from S portal). The temperature distribution was recorded during both tests using a set of fourteen thermocouples that were mounted at two stand poles located at the main axis of the tunnel on windward. The stand poles were placed at distances of 5 m and 10 m. The recorded data were applied to validate a numerical model, which was built and solved using Ansys Fluent. The calculated temperature distribution matched the measured values.
Keywords: road tunnel; fire; Ansys Fluent; smoke movement; temperature distribution road tunnel; fire; Ansys Fluent; smoke movement; temperature distribution

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MDPI and ACS Style

Król, A.; Król, M. Study on Hot Gases Flow in Case of Fire in a Road Tunnel. Energies 2018, 11, 590. https://doi.org/10.3390/en11030590

AMA Style

Król A, Król M. Study on Hot Gases Flow in Case of Fire in a Road Tunnel. Energies. 2018; 11(3):590. https://doi.org/10.3390/en11030590

Chicago/Turabian Style

Król, Aleksander, and Małgorzata Król. 2018. "Study on Hot Gases Flow in Case of Fire in a Road Tunnel" Energies 11, no. 3: 590. https://doi.org/10.3390/en11030590

APA Style

Król, A., & Król, M. (2018). Study on Hot Gases Flow in Case of Fire in a Road Tunnel. Energies, 11(3), 590. https://doi.org/10.3390/en11030590

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