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Sustainability 2015, 7(8), 11190-11212; doi:10.3390/su70811190

Scaled Experimental Study on Maximum Smoke Temperature along Corridors Subject to Room Fires

1
Institute of Military Environmental Teaching and Research, PLA University of Science and Technology, Nanjing 210007, China
2
The 4th Design and Research Institute of Engineering Corps, Beijing 100850, China
*
Author to whom correspondence should be addressed.
Academic Editor: Marc Rosen
Received: 21 May 2015 / Accepted: 4 August 2015 / Published: 14 August 2015
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Abstract

In room–corridor building geometry, the corridor smoke temperature is of great importance to fire protection engineering as indoor fires occur. Theoretical analysis and a set of reduced-scale model experiments were performed, and a virtual fire model was proposed, to investigate the correlations between the maximum smoke temperature in corridors and the smoke temperature in rooms. The results show that the dimensionless virtual fire heat release rate (HRR) is characterized by quadratic-polynomial of the dimensionless smoke temperature in fire rooms. The dimensionless distance from a virtual fire source to the corridor ceiling varies linearly with the dimensionless smoke temperature in a room. Results of multiple regression indicate that, at the impingement area of virtual fire, the dimensionless maximum smoke temperature in corridors is only related to the dimensionless virtual fire HRR; in the non-impingement area of a virtual fire, the dimensionless maximum smoke temperature in corridors is a function of the dimensionless virtual fire HRR and dimensionless longitude distance. The viscosity and conduction exhibit an insignificant impact on the maximum temperature in the corridor. Through replacing the parameters of virtual fire with the dimensionless smoke temperature in fire rooms, the correlations between dimensionless maximum temperature in corridors and the dimensionless smoke temperature in fire rooms were proposed. View Full-Text
Keywords: room-corridor fire; maximum smoke temperature; virtual fire; dimension analysis room-corridor fire; maximum smoke temperature; virtual fire; dimension analysis
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Xing, Z.; Mao, J.; Huang, Y.; Zhou, J.; Mao, W.; Deng, F. Scaled Experimental Study on Maximum Smoke Temperature along Corridors Subject to Room Fires. Sustainability 2015, 7, 11190-11212.

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