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Variation of heat release rate with forced longitudinal ventilation for vehicle fires in tunnels
Affiliation:1. Department of Civil & Offshore Engineering, Heriot-Watt University, Edinburgh, Scotland EH14 4AS, UK;2. Department of Civil & Environmental Engineering, University of Edinburgh, Edinburgh, Scotland EH9 3JN, UK;1. Doctoral Program, Graduate School of Engineering Science and Technology, National Yunlin University of Science and Technology (YunTech), Douliou, Yunlin 64002, Taiwan, ROC;2. Department of Safety, Health, and Environmental Engineering, YunTech, 123, University Rd., Sec. 3, Douliou, Yunlin 64002, Taiwan, ROC;3. Department of Occupational Safety and Health, Chang Jung Christian University, Tainan 71101, Taiwan, ROC;4. Department of Fire Science, Central Police University, Taoyuan 33304, Taiwan, ROC;5. Department of Occupation Safety and Health Research Center, Chang Jung Christian University, Tainan 71101, Taiwan, ROC;6. Nuclear Science and Technology Development Center, No. 101, Sec. 2, Kuang-Fu Rd, Hsinchu 30013, Taiwan, ROC;1. State Key Laboratory of Fire Science, University of Science and Technology of China, Hefei, Anhui, 230026, China;2. Civil and Infrastructure Engineering Discipline, School of Engineering, RMIT University, Melbourne, VIC, 3001, Australia;1. Laboratoire de Me canique des Fluides et d’Acoustique, University of Lyon, CNRS UMR 5509 Ecole Centrale de Lyon, INSA Lyon, Universite Claude Bernard, 36, avenue Guy de Collongue, 69134, Ecully, France;2. Centre d’Etudes des Tunnels, 25, avenue Fraņcois Mitterrand, 69500, Bron, France;1. Institute of Safety Engineering, College of Resources and Civil Engineering, Northeastern University, Shenyang, Liaoning Province 110819, PR China;2. Institute of Public Safety Research, Department of Engineering Physics, Tsinghua University, Beijing 100084, PR China;3. Beijing Key Laboratory of Metro Fire and Passenger Transportation Safety, China Academy of Safety Science and Technology, Beijing 100012, PR China;1. State Key Laboratory of Disaster Reduction in Civil Engineering, Tongji University, 1239 Siping Road, Shanghai 200092, China;2. Department of Geotechnical Engineering, Tongji University, 1239 Siping Road, Shanghai 200092, China;1. School of Resource and Environmental Engineering, Wuhan University of Science and Technology, Wuhan, Hubei, 430081, China;2. Faculty of Engineering, China University of Geosciences (Wuhan), Wuhan, Hubei, 430074, China;3. Hubei Research Center of Industrial Safety Engineering Technology, Wuhan, Hubei, 430081, China;4. Fire Safety Technology Institute, Wuhan University of Science and Technology, Wuhan Hubei, 430081, China
Abstract:Many tunnels are equipped with longitudinal ventilation systems to control smoke in the event of a fire. However, the influence of such ventilation on fire development and fire spread has rarely been considered. This paper presents the results of a study using a Bayesian methodology to estimate the effect of forced longitudinal ventilation on heat release rate (HRR) for fires in tunnels. The behaviour of car and heavy goods vehicle (HGV) fires with a range of forced ventilation velocities is investigated. Results are presented and the implications are discussed. It has been found that forced ventilation has a great enhancing effect on the HRR of HGV fires, but has little effect on the HRR of car fires.
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