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Experimental and theoretical investigation on the effect of inclined surface on pool fire behavior
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NSTL
Potential pool fire hazards due to the leakage of combustible liquid chemical materials during storage and transportation pose a threat to process safety in the process industry. A pool fire may occur on the inclined surface of broken pipelines or facilities. The influence of an inclined surface on pool fire behavior was experimentally and theoretically studied. The results showed that the flame tilt angle and flame length increased with inclination angle, while the flame height exhibited an opposite trend. These phenomena were mainly caused by the restriction of air entrainment due to the inclined surface. The flame pulsation frequency generally decreased with the increase of inclination angle and was weakly dependent on the heat release rate. Dimensionless models were developed to predict the flame tilt angle, flame length, flame height, and flame pulsation frequency. The predictive values were in good agreement with experimental data.
Inclined surfaceFlame tilt angleFlame lengthFlame heightFlame pulsation frequency
Yubo Bi、Zhian Yang、Haiyong Cong
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School of Chemical Engineering, Dalian University of Technology, Dalian 116024, China
NSTL
